[Eicatjlab_all_personnel] [EXTERNAL] EIC Newsletter: Issue 6 (March/April 2025)

Tue Apr 1 15:18:24 EDT 2025

Welcome to the March/April 2025 EIC Newsletter! You can read the newsletter via email below or in its full format on the EIC SharePoint site at https://urldefense.proofpoint.com/v2/url?u=https-3A__brookhavenlab.sharepoint.com_sites_eRHIC_SitePages_home.aspx&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=3AdvyOXYbqPXnUnx43vxoJdl3d7YBzYTOC2y4Dc8Jls&e= .

Please contact aaponte at bnl.gov<mailto:aaponte at bnl.gov> if you have any questions or comments about the newsletter. As always, your suggestions and contributions are welcome. Thank you and happy reading!
In This Issue - Special April Fools' Edition:  Message from the EIC Project Director Breaking News: Scientists Discover Gluon Saturation in Lab Cafeteria Feature: Bringing the Beautiful Data of the Electron-Ion Collider to Life New Project-Estimatin...
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EIC Newsletter: Issue 6 (March/April 2025)
In This Issue - Special April Fools' Edition:

  *   Message from the EIC Project Director
  *   Breaking News: Scientists Discover Gluon Saturation in Lab Cafeteria
  *   Feature: Bringing the Beautiful Data of the Electron-Ion Collider to Life
  *   New Project-Estimating Process Based on Electrons' Rest Frame Looks Promising
  *   Lab's Annual Emu Petting Zoo Back by Popular Demand
  *   Staff Profile: Lynanne DiFilippo
  *   EIC Staff Announcements
  *   EIC...Every Step of the Way Featured Photos
  *   EIC Project Highlights
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Jim Yeck

"It is important to focus on our primary responsibility: the cost-effective delivery of the EIC."

A Message From EIC Project Director Jim Yeck

Interesting times!

In interesting times, it is important to focus on our primary responsibility: the cost-effective delivery of the EIC. Our near-term goal is to demonstrate that we are ready to proceed with the construction phase of the EIC accelerator rings in 2026, following the successful conclusion of RHIC operations.

Annual funding projections remain uncertain, and therefore, the details of the transition from RHIC operations into EIC construction are still to be determined.  These details will be informed by actual technical progress on the EIC design and the development of our overall project baseline and subproject plans. There is much work ahead in 2025.

The EIC will be a unique facility, and the scientific and technical challenges motivate our efforts and the interest of our international partners. There is excellent progress engaging potential international partners and we are now ready to finalize agreements on notable in-kind contributions. Clarifying these contributions is a pre-requisite to establishing a project baseline.

The EIC international governance bodies, notably the Advisory Board and the Resource Review Board (RRB), continue to review progress and prepare plans for the delivery of EIC components.  The next RRB meeting will be hosted by the Czech Republic and provide an opportunity for our international partners to further clarify their contributions to the ePIC detector.

We will present our plans for moving into construction to the Project Advisory Committee (PAC) in late May.  The PAC is chaired by Thomas Glasmacher, Director of the Facility for Rare Isotope Beams, and includes a handful of experts.  This meeting will be a "Red Team" review, providing a comprehensive assessment and critique and help us prepare for the DOE Independent Project Review scheduled for August 5-7, 2025.

The calendar for 2025 is already full of many meetings and reviews, an essential feature of the large project business. We use these meetings and reviews to demonstrate to the large community of stakeholders, and, most importantly to ourselves, that we are making the technical progress and plans required for the cost-effective delivery of the EIC, the world's first high energy, high luminosity, polarized beam collider and detector.

-Jim

Breaking News: Scientists Discover Gluon Saturation in Cafeteria*

Guest Contributor: Z. Tu
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A rare image of critical mass detected in the newly resurrected Lab Cafeteria, which has enabled groundbreaking breakthroughs in scientists' understanding of gluon mass saturation. (Photo credit: K. Coughlin)

In a groundbreaking discovery for quantum chromodynamics (QCD), researchers at Brookhaven National Laboratory (BNL) have accidentally confirmed the long-theorized gluon saturation phenomenon-not inside the Electron-Ion Collider (EIC), but in the Lab cafeteria.

Discovery Over Lunch

The revelation occurred on an otherwise ordinary Thursday lunchtime when Dr. Epic Quarkson, a postdoc specializing in small-things physics, attempted to buy a turkey sandwich. As she approached the food counter, she noticed an alarming similarity between gluon distributions in a high-energy proton and the seating dynamics of the cafeteria.

"At low densities, everything behaves normally," she explained. "But once you reach a critical occupancy, the system enters saturation-no additional quarks, gluons, or grad students can fit!"

Eyewitnesses reported that chaos ensued when a fresh batch of fries was announced. Researchers from multiple departments rushed the cashier, only to find that their probability of securing a seat had drastically diminished-a textbook example of gluon recombination effects in a high-density nucleus.

Experimental Confirmation

Determined to gather hard data, Dr. Quarkson and her collaborator, Dr. Roman Pot, a theorist specializing in quantum chromodynamics, developed a Cafeteria Parton Distribution Function (CPDF) by tracking lunchroom occupancy as a function of time. Their findings, published in the prestigious journal Physical Review Lunches, confirm that beyond a certain density, the probability of finding a seat ceases to increase-strong evidence of saturation effects.

"The saturation scale Qs appears to be directly proportional to the number of burger trays available," noted Dr. Roman Pot. "This suggests a profound connection between quantum chromodynamics and quantum cheeseburgers."
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A highly scientific and absolutely accurate rendering of the elusive quantum cheeseburger.
Why This Matters: The Role of Gluons in the Universe

While most people associate protons and neutrons with quarks, over 99% of the visible mass in the universe actually comes from gluons. Though gluons themselves are massless, their energy interactions and confinement within protons and neutrons are responsible for nearly all the mass we observe.

In other words, without gluons, the universe-including planets, physicists, and cafeteria lunch lines-would not exist. By studying gluon saturation, scientists probe the fundamental structure of matter at extreme densities-whether in high-energy collisions at the EIC, inside neutron stars, or, apparently, in Brookhaven's bustling cafeteria in Berkner Hall.

The Future of EIC Research

Following this revelation, EIC researchers are now considering enhancing their state-of-the-art electron-ion detectors with cafeteria surveillance cameras.

"We need to combine all available resources to confirm this gluon saturation discovery," said Dr. Quarkson. "In this case, that means collaborating with Berkner Hall. It is critically important to observe physicists competing for the last slice of pizza-this could provide complementary measurements for gluon saturation physics."

EIC researchers are now considering enhancing their state-of-the-art electron-ion detectors with cafeteria surveillance cameras.

Brookhaven's cafeteria staff declined to comment, though inside sources suggest that plans for a low-saturated fat lunch menu are already in development.

Meanwhile, the cafeteria seating crisis remains unresolved, with theoretical models predicting that only a larger dining hall (or a second cash register) can alleviate the saturation problem.

For now, physicists will have to continue navigating the strong interaction forces of the lunchtime rush-and perhaps, in the process, unlock even deeper mysteries of the quantum universe.

Bringing the Beautiful Data of the Electron-Ion Collider to Life
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The EIC detector, known as ePIC, will use cutting-edge technologies to detect particles created in collisions between high energy electrons and protons or ions (the nuclei of larger atoms) moving close to the speed of light. This image from VIRTUE shows simulated particle hits and tracks. (Sean Preins/VIRTUE)

Pixels and particles collide, thanks to a pioneering student's idea to mesh the world of video game technology with real-world physics.

Sean Preins, a doctoral student in the Department of Physics and Astronomy at the University of California, Riverside (UC Riverside), has developed a customizable virtual reality program called VIRTUE<https://urldefense.proofpoint.com/v2/url?u=https-3A__store.steampowered.com_app_2728380_VIRTUE_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=c3UNACkSk0sumkzI5VYIxC89TIVjLqtQpSq7mihevWU&e= >, or Virtual Interactive Reality Toolkit for Understanding the EIC, that allows users to journey into the heart of the groundbreaking Electron-Ion Collider<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.bnl.gov_eic_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=JjcXxsIOWnGiTQEKUefPHEuIZPniZElJHIERjhDZW1o&e= > (EIC) and explore the thrilling clash of particles in the EIC's particle detector.

Even before the EIC turns on in the next decade, VIRTUE is bringing scientists' simulated data of these subatomic particle collisions to life via 3D animations that showcase what the EIC's house-sized detector, called ePIC<https://urldefense.proofpoint.com/v2/url?u=https-3A__wiki.bnl.gov_EPIC_index.php-3Ftitle-3DMain-5FPage&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=a5UybChLH1tbK5qVZ9_ziK8NQbpKiuUmdtQ8bMyDrPE&e= >, may capture.

Scientists are using VIRTUE to fine tune the detector, plan their experiments, and spark the public's excitement about the EIC's promise of deepening our understanding of the universe at a fundamental level.

EIC and VIRTUE: "A great opportunity"

"Not many people have tried to render what these collisions look like," said Preins. "I decided it would be a fun project to take on, and it's paid off in a big way."

He first came up with the idea of marrying VR with scientific data during the COVID pandemic in 2020. His advisor, Miguel Arratia, assistant professor at UC Riverside, enthusiastically approved.

"I was working from home, and Miguel sent a VR headset to my house in Illinois so I could start working on this project," Preins said.

The EIC is related to Preins' thesis topic at UC Riverside, where he and other students in the Arratia Research Group<https://urldefense.proofpoint.com/v2/url?u=https-3A__arratialab.ucr.edu_-2520group&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=PiIyVDk0hZOy-PLBkG7HPZqzk3-z6WwgqY2ufJvx-t0&e= > are developing components for the real ePIC detector, specifically the calorimeters that will measure the energy of particles produced in collisions.

Such a complex machine cannot be created in a vacuum; it requires the "hive mind" of hundreds of experts around the U.S. and the world. As members of the ePIC collaboration<https://urldefense.proofpoint.com/v2/url?u=https-3A__wiki.bnl.gov_EPIC_index.php-3Ftitle-3DMain-5FPage&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=a5UybChLH1tbK5qVZ9_ziK8NQbpKiuUmdtQ8bMyDrPE&e= >, a global network formed in 2022, Arratia and Preins are among a team of more than 1,500 scientists and engineers from 173 institutions in 25 countries who are helping to design and develop the EIC's detector and its components.

Designing and building machines like the EIC can take decades. EIC construction is expected to begin in 2026 with operations starting sometime in the mid-2030s.  "The timing of the EIC project is a great opportunity for Sean," said Arratia. "It's the perfect opportunity to develop and propose detectors and test them in the lab."

"It's very exciting to be on the ground floor of this project as it's in development," said Preins.
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Sean Preins and colleague working on a detector prototype for the future Electron-Ion Collider. (UCR/Arratia lab)
Leveraging gaming technology

Preins developed VIRTUE, which is supported by the UC Office of the President via the California EIC Consortium project, by uploading real simulation data and engineering designs by the ePIC Collaboration. He then used a software program called UNITY, commonly used to create video games, to transform data into 3D animations.

"There was a niche open for an event display for EIC collisions," Preins said. "I took on the challenge of combining video game programming tools with simulated physics data to show what happens in these collisions," said Preins.

He had little to no experience designing such a program. "I taught myself how to use UNITY," said Preins, "so throughout my development of VIRTUE, I was learning."

But VIRTUE is not a game. It provides critical information for scientists and engineers as they design and develop the EIC detector.  "This is real information. All the hits that you see in the event displays are real information that the EIC physicists use for analysis," said Arratia. "What is unique about VIRTUE is that it is visualizing data in all its complexities. We are not simplifying anything."

"There will be discoveries, big discoveries"

What Arratia refers to as "hits" are energy deposits left by the particles streaming out of the collisions, caught by a series of state-of-the-art microelectronic sensors.  VIRTUE translates this data into detailed images of how the particles move through the onion-like layers of the detector.

"You have to find a way to connect all of those dots," said Arratia. "In the VR program, you can see patterns in 3D space and time that you'd miss if it was just printing out text on a screen," said Arratia.
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EIC staff Alex Jentsch explains what a user of VIRTUE is seeing during the EIC's Open House in September 2024. Tools like VIRTUE are instrumental to teach the general public as well as help scientists design ePIC. (A. Aponte)

Once the EIC is running, scientists like Preins and Arratia will upload actual data from millions of collisions.  "It will look very similar to what we see already in the animations," said Arratia. "Hopefully, there will be discoveries, big discoveries. With this tool, we'll be able to visualize the events that are associated with that discovery," said Arratia.

VIRTUE is also an educational tool. Users can download it for free and, either from a desktop or with a VR headset, customize the detector geometries and collision data to animate experiments beyond the EIC.

"It's really exciting to see VIRTUE used in outreach," said Preins. "Sometimes we have lab tours with high school students. Seeing these young scientists get excited about VR and the actual research we do using this tool is very rewarding."

Arratia added, "They see the sheer scale of things, how the data is beautiful, and they get a sense of awe."

New Project-Estimating Process Based on Electrons' Rest Frame Looks Promising*

Guest Contributor: K. Smith

Responding to a directive from Project Director Jim Yeck and Project Manager Luisella Lari to stop harping on technical nonsense nobody understands anyway, and start bringing some fresh, out-of-the box thinking to project-planning processes, Technical Director Sergei Nagaitsev has proposed a new project-estimating process that promises immediate and meaningful impact. Nagaitsev has proposed that the P6 project plan be re-referenced to the rest frame of a typical 10 GeV electron being collided at the EIC.

"From a 10 GeV electron's perspective, the P6 project plan is whizzing by at 99.9999998694% of the speed of light," said Nagaitsev at the April 1, 2025, Executive Management Team (EMT) Meeting and Spa Day.

"When viewed from this perspective, the so-called rest frame of the electron, relativistic project plan effects become quite significant," said Nagaitsev. "The project's size and cost contract, and the schedule dilates - all quite markedly. And the effect is invariant at all WBS levels!"

Nagaitsev described the new approach as the first meaningful extension to Einstein's 120-year-old Special Theory of Relativity<https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Special-5Frelativity&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=4G-yT7ApaMK1X-F1vo502i1j42xS-LxCFeV5g07IfHE&e= > in over 200 years. Interested readers may refer to Nagaitsev's Arxiv preprint entitled, "On the Electrodynamics of Moving Project Plans."

Interested readers may refer to Nagaitsev's Arxiv preprint entitled, "On the Electrodynamics of Moving Project Plans."

The proposal was met with cautious optimism, save for Deputy Technical Director Kevin Smith, who is said to have erupted in wild applause and shouts of "Woohoo, physics!" then ran out of the conference room to spread the news and, strangely, did not return. Project Director Jim Yeck immediately empaneled an EIC Special Relativity Project Advisory Committee to fully vet the proposal and provide guidance on the implementation plan.

Minutes of the meeting are not yet published, but Caitlin Hoffman, EIC Administrative Group Leader and Assistant to Jim Yeck, reported that Nagaitsev showed preliminary calculations indicating EIC cost contracting from $2.8B to about $400K, collider circumference contracting from 3.8 kilometers to about half a meter, and schedule dilation ensuring an achievable funding profile now stretched over 22,360 years.

"Implementation should be quite simple using new P6 relativity codes assigned by the PCAs working with the CAMs," noted a visibly relieved Project Support Deputy Division Director Kelly Krug.

Final scale factors will be calculated by the accelerator physics team and vetted using the P6 digital twin to ensure results are robust against assumed uncertainties. EIC Chief Systems Engineer Tom Russo assured the EMT that all scale factors will be documented in the EIC Master Parameter Table.

Meanwhile, Systems Engineers Lauren Strange and Thea Vijaya Kumar have already started work to automate the necessary scaling of the nearly 400,000 Infrastructure requirements recently released as final.

Lab's Annual Emu Petting Zoo Back by Popular Demand*

Guest Contributor: T. Vijaya Kumar
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NSLS-II, site of the Emu Petting Zoo, back by popular demand.
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A Lab employee attempts to make contact with a non-indigenous emu imprisoned on the Lab site.

Brought back by popular demand, Brookhaven National Laboratory is reinstating its annual Emu Petting Zoo to be held in the center of the National Synchrotron Light Source-II (NSLS-II). A poll went out to the employees of the Lab last month and closed on March 21, resulting in NSLS-II winning by a landslide.

"It's high time we brought back the emus," said an engineer in NSLS-II who emphatically asked to remain anonymous. "Especially to corral the guy in the grass there." The engineer was referring to Kevin Smith, the EIC's Deputy Technical Director, who suddenly appeared in the zoo area and was overhead muttering to himself about "schedule dilation."

The last Emu Petting Zoo occurred in May 1990, with over 2,000 Lab employees in attendance. The location chosen at the time was incidentally the same area, except without any of the NSLS-II structure or fences. By most accounts, the event improved employee morale, until several of the emus wandered off and went missing for 53 hours.

All employees are invited to attend the Emu Petting Zoo on April 1, 2025, and enjoy the new and improved festivities after 35 years. Employees are asked to bring their own emu feed in lieu of purchasing tickets.

As an added bonus, the first person to guess which emu was on the Liberty Mutual commercial gets a free Liberty Mutual shirt and two extra vacation days.
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A limited supply of Liberty Mutual shirts is available.
EIC Staff** Profile:
Lynanne DiFilippo
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I work in the: Collider-Accelerator Department (C-AD) as the Assistant to the Department Chair, and I am also the Administrative Support Group Leader.

My job is to: Assist the C-AD Chair in all administrative aspects of the department's daily operations. My additional role is to supervise the Administrative Support Team, ensuring that all Divisions and Groups throughout the department have sufficient administrative coverage.

Why is this important to the EIC? Many C-AD staff have memorandums of understanding (MOU's) with EIC, including staff that I supervise, so we are very aware of following consistent processes, and since we share space in our facilities, I have the opportunity to interact daily with EIC and C-AD employees.

The most exciting aspect of my job is: The diversity of the duties and the teams I get to work with are the most exciting aspects of my job. I enjoy learning and keeping current with technology and the various technical resources that are required to accomplish my tasks.

I've been very fortunate to have had a long and fulfilling career at BNL and made many life-long friends here.

Tell us about your career journey: My career at BNL began 40 years ago when I left working in New York City in public relations and was hired into the clerical pool as an administrative assistant, working where needed throughout the Lab. Six months later, I transferred into a permanent position in the Department of Applied Science in the Fuels & Catalysis Division. At the beginning of RHIC construction, I transferred to C-AD's Administrative Group in Bldg. 1005, working for the Group Leader. In this position, I managed the payment processing for the RHIC detector construction contracts, and then when RHIC began operations, my first son was born, so I transferred to work part-time in Bldg. 911 as the Procedures Coordinator in the ESSHQ Division. Fourteen years later, the Department Chair's assistant retired, and I transferred to that position in the main office, where I am still working today. I've been very fortunate to have had a long and fulfilling career at BNL and made many life-long friends here.

What are some non-work facts about you? My husband and I met at BNL. We have been married for 31 years and have two sons, with our youngest graduating high school this year. My hobbies are cooking, camping, and traveling, and I also enjoy organizing fund-raisers for school clubs and teams.

** Although Lynanne is not an EIC employee, she has played a fundamental role in the formation of the EIC Directorate. She mentored Alyssa Petrone, EIC Chief of Staff, and Caitlin Hoffman, EIC Administrative Group Leader, and helped set critical processes and transfers when the EIC Directorate first formed. She recently received the BNL Distinguished Administrator Award<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.bnl.gov_newsroom_news.php-3Fa-3D222188&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=cFlOsdvBGZF2TID-nBoO_9TQZxaZLM9mAS27pE-eHiQ&e= >.

EIC Staff Announcements

Congratulations to Sarin Philip and his family on the arrival of their baby girl Melina Joyce Philip on Tuesday, February 4, 2025!
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Congratulations to Alyssa Petrone and her family on the arrival of their baby girl Ella Mae Bruno on Sunday, February 16, 2025!
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New EIC Staff: Welcome to the Team!
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[cid:image014.png at 01DBA319.42056000]<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_search-2Djobs_Electron-2DIon-2520Collider-3ForgIds-3D3437-26kt-3D1&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=X68eLuuZzOfDALzheFiIC3gZEOteWtyA-uQ2EzkEyv8&e= >
Building 1005S: Home of the EIC

Click here<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_search-2Djobs_Electron-2DIon-2520Collider-3ForgIds-3D3437-26kt-3D1&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=X68eLuuZzOfDALzheFiIC3gZEOteWtyA-uQ2EzkEyv8&e= > to check out the latest job openings.

  *    Magnet Group Leader, Electron-Ion Collider<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_magnet-2Dgroup-2Dleader-2Delectron-2Dion-2Dcollider_3437_76356735968&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=qk0Xz08FthXpy3ml9qerXr4LdiDYBPGLfrD5wZstG2k&e= >
  *    Senior Mechanical Engineer, Cryogenics Group<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_senior-2Dmechanical-2Dengineer-2Dcryogenics-2Dgroup_3437_75369275904&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=2tvl-kwW04Y9J-b9D9-g-_UZKJ6Ql-lt-MzlXUSrW5I&e= >
  *    Deputy Division Director, Project Support Office, EIC<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_deputy-2Ddivision-2Ddirector-2Dproject-2Dsupport-2Doffice-2Deic_3437_76379386992&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=IS_Fh74ZjSstXrjXuFYikhb88l4c-oan-7-tnAyfihM&e= >
  *    HSR Power Supply Deputy Group Leader<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_hsr-2Dpower-2Dsupply-2Ddeputy-2Dgroup-2Dleader_3437_76356736000&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=U75RyIifAlSIjM_dGtpME3DoJ51h8I6n7LJuOIlsUQ0&e= >
  *    Cryogenic Controls & Instrumentation Engineering Lead<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_cryogenic-2Dcontrols-2Dand-2Dinstrumentation-2Dengineering-2Dlead_3437_75369272704&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=2fC42IrosDMHUMpHCsEGwpytXAA9Ypx7f37m-BtBcx8&e= >
  *    Power Distribution Engineer<https://urldefense.proofpoint.com/v2/url?u=https-3A__jobs.bnl.gov_job_upton_power-2Ddistribution-2Dengineer_3437_77368713248&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=3EuH_cg81h5guxq3J7BGMyoXUKMjc2V04n4XylWLQiA&e= >

EIC Project Highlights: Bold-Faced News

  *   Katherine Wilson has been appointed Jefferson Lab's interim director of the Electron-Ion Collider project team. She will serve in this role while JLab conducts a search for a permanent position.

  *   Several members of the EIC Team presented at the 70th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e- Colliders, hosted by the High Energy Accelerator Research Organization in Tsukuba, Japan from March 3-7, 2025. Presenters included Christoph Montag, Charles Hetzel, Andrii Natochii, Vahid Ranjbar, Yun Luo, Boris Podobedov, Andrei Seryei, and others.
[cid:image015.png at 01DBA319.42056000]
Participants of the 70th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e- Colliders held in Tsukuba, Japan, from March 3-7, 2025.

  *   The EIC Project Advisory Committee (PAC) met on Feb. 11, 2025, to receive an update on the DOE Independent Project Review (IPR) completed in January 2025, and to provide advice on the steps needed to further develop subprojects within the EIC Line-Item Construction Project. The PAC agreed to provide additional input prior to the IPR Status Review in late July/early August.

  *   The EIC Advisory Board, chaired by the JLab Director, met on Feb. 25, 2025. The board's members are directors of DOE labs and international institutions participating in the EIC, and its primary focus is the EIC accelerators and general advice for advancing the EIC project.

  *   On Feb. 27, 2025, EIC received DOE approval to award another CD-3A contract for the Backward EMCal PbWO4 Crystals, which are detector long-lead procurement items.

  *   Preliminary site inspection at the location of the electron injector has revealed the presence of Neolithic structures*, like Stonehenge, just below the ground surface, dating to perhaps 3,000 BC. This finding is now compelling the project to move the electron injector and the RCS back into the collider tunnel. The project is looking to sell future artifacts to collectors in order to raise funds for the EIC.
[cid:image016.png at 01DBA319.42056000]
A BNL engineering design shows what the original ring looked like, circa 3,000 BC.

  *   Miguel Arratia, an assistant professor of physics and astronomy at the University of California, Riverside, whose research group created VIRTUE<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.bnl.gov_newsroom_news.php-3Fa-3D222339&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=OlEciGpvqTQRJLmfZSvz5fxtn75w6ya66GvtHltKGHo&e= >, received the Guido Altarelli Award<https://urldefense.proofpoint.com/v2/url?u=https-3A__insideucr.ucr.edu_awards_2025_03_25_ucr-2Dphysicist-2Dreceives-2Dinternational-2Daward&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=itPXQAefSi1_PL0SuIsd4_uQr8gbn2fgHHDZUb6crZ4&e= >, which recognizes early career scientists for outstanding contributions across a broad spectrum of fields in nuclear and particle physics. Congrats, Miguel!

  *   On March 3, 2025, a crew from the Scientific American podcast "Science Quickly<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.scientificamerican.com_podcast_science-2Dquickly_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=Z-LnXUzEHcsMHdcrhXod_phap_CL7UXqNdnItID_lFs&e= >" visited the Lab to film an interview with physicist Alex Jentsch.
[cid:image017.png at 01DBA319.42056000]
Alex Jentsch talks with the host of the Science Quickly podcast Rachel Feltman in STAR on March 3, 2025.

  *   The BNL Media & Communications Office organized a Media Roundtable at the American Physical Society's Global Physics Summit in Anaheim, CA on March 17 to highlight research at RHIC and the transition to EIC. The speakers were Kong Zhoudunming (BNL), Maria Zurek (Argonne National Lab), Daniel Marx (BNL), Miguel Arratia (Univ. of California, Riverside), David Dean (JLab), and Abhay Deshpande (BNL). Reporters from the New York Times, Science, Physics Magazine, Science News, and others listened to the talks followed by engaging discussion on both sides.
[cid:image018.png at 01DBA319.42056000]
Scientists talk with reporters at the Press Roundtable at the American Physical Society's Global Physics Summit on March 17, 2025.

  *   The newly established EIC Overly Committed Committee* has issued several recommendations for those serving on committees in the future:

     *   Never arrive early or on time;
     *   Don't say anything until the meeting is almost over, but be as vague as possible;
     *   When in doubt, suggest that a subcommittee be appointed.
[cid:image019.png at 01DBA319.42056000]
EIC...Every Step of the Way: Featured Photos

We'd like to see what you're working on and document the EIC every step of the way. To submit photos, contact aaponte at bnl.gov<mailto:aaponte at bnl.gov>.
[cid:image020.png at 01DBA319.42056000]
The prototype of the cooling gun beam dump recently passed acceptance testing. (Image courtesy of E. Wang)
[cid:image021.png at 01DBA319.42056000]
The first prototype gun electrode has been fabricated and received at BNL. (Image courtesy of O. Rahman)
EIC & Lab Events
EIC Seminar
Freddy Severino: "Low-Level RF System Development for EIC Crab Cavities"

Wednesday, April 30, 2025, from 2-3 p.m.

Bldg. 1005S 3rd Floor Conference Room & ZoomGov<https://urldefense.proofpoint.com/v2/url?u=https-3A__bnl.zoomgov.com_j_1608146346-3Fpwd-3Dp09enAYAMZOcFtDWG0YfMgiBCYjsr0.1&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=IkqiP-37oYASPmLJqtlTHs1x5foUTFq0C-VAeFWAGEc&e= >

Abstract

The Electron-Ion Collider (EIC) relies on crab cavities to correct for the 25 mrad crossing angle, which is essential for achieving maximum luminosity. However, noise introduced by the crab cavity Radio Frequency (RF) system can lead to significant transverse emittance growth, potentially limiting luminosity lifetime. Additionally, the RF systems require high-gain feedback to minimize the fundamental cavity impedance and ensure beam stability. In this seminar, we will present our ongoing development of a low-level RF system for the EIC crab cavity RF systems, focusing on the key challenges of providing high-gain feedback and low-noise field control to achieve performance requirements.

About the Speaker

Freddy is the Collider Accelerator Department (C-AD) RF Systems Group Head and EIC RF Controls Technical Lead. He has nearly 30 years of experience working with accelerator RF Systems and more than 20 years of experience designing, commissioning, and operating high performance low-level radio frequency (LLRF) systems for the C-AD complex.

Transition to MS Teams: Legacy Cisco Phone System Shutdown
[cid:image022.png at 01DBA319.42056000]

  *   Don't forget to drop off your Cisco (desktop) phone for recycling in the Bldg. 1005 Lobby.

  *   ITD has migrated all remaining phone extensions and "hotline" extentions (such as Ext. 5522 for the ITD Help Desk, Ext. 2222 for on-site emergency services) to the new Teams Phone system.

  *   All licensed users can make outgoing calls through Teams and receive incoming calls through the Teams client.

  *   Questions? Visit https://urldefense.proofpoint.com/v2/url?u=https-3A__intranet.bnl.gov_itd_teamsphone_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=ZO_HggWXWgwCkerFK0Axnud7eJYXjPMkdjGqv97AEnU&e= .

EIC Meeting-Free Weeks in 2025
[cid:image023.png at 01DBA319.42056000]
EIC Meeting-Free Weeks 2025

March 31-April 4, 2025
1st week of the month
May 26-30, 2025
Memorial Day week
June 16-20, 2025
Juneteenth week
July 7-11, 2025
4th of July following week
August 4-8, 2025
1st week of the month
September 2-5, 2025
Labor Day week
October 27-31, 2025
Halloween week
November 24-28, 2025
Thanksgiving week
December 22-26, 2025
Christmas week
[cid:image024.png at 01DBA319.42056000]
Cherry blossom trees in full bloom as seen on April 24, 2024, in front of Berkner Hall, near the 9-11-01 World Trade Center monument. The cherry blossom, or sakura, is the flower of trees in Prunus subgenus Cerasus. "Sakura" usually refers to flowers of ornamental cherry trees, such as cultivars of Prunus serrulata, not trees grown for their fruit. Cherry blossoms have been described as having a vanilla-like smell, which is mainly attributed to coumarin. (Kevin P. Coughlin / Brookhaven National Laboratory)

Celebrate Earth Day! Throughout April, the BNL Environmental Protection Division has several events planned for all Lab employees, guests, and users. Check the Earth Day events out at BNL | Earth Day | 2025<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.bnl.gov_earthday_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=kwVYhTLP-QzOzVesa5ShuPZfJDWFl36As4oehTiJnCY&e= >.

To see all upcoming Lab events, visit the BNL Calendar here: https://urldefense.proofpoint.com/v2/url?u=https-3A__www.bnl.gov_events&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=3g5Odi-QY3WEM5D9SOZB14aP1DiOMBGErCDofR51oFY&e= .

Electron-Ion Collider
UPCOMING EVENTS
[cid:image025.png at 01DBA319.42056000]

Thursday, April 3rd, 2025

Coffee Connect (1-2pm)

LOCATION: Seminar Room

Friday, April 4th, 2025

EIC Infrastructure Controls Workshop (1pm-4pm)

LOCATION: Hybrid | Seminar Room, 3rd Floor

Tuesday, April 8th - Thursday, April 10th, 2025

EIC Electron Injector Design & Cost Review

LOCATION: Seminar Room, 3rd Floor

Wednesday, April 16th - Thursday, April 17th, 2025

EIC Infrastructure Construction Advisory Committee Meeting

LOCATION: Seminar Room, 3rd Floor

Wednesday, April 23rd, 2025

EIC Low Energy Cooler CD Review

LOCATION: Black Hole, 4th Floor

Thursday, April 24th, 2025

EIC Infrastructure HDR 90% Final Detailed Design Reconciliation Workshop

LOCATION: Black Hole, 4th Floor

Tuesday, April 29th, 2025

EIC Fundamental Power Coupler for the ESR 1-Cell Cavities FDR

LOCATION: Seminar Room, 3rd Floor

Wednesday, April 30th, 2025

EIC Seminar - Freddy Severino (2:00 - 3:00pm)

LOCATION: Seminar Room, 3rd Floor

*Happy April Fools' Day! ; )

Thanks to all those who contributed!
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Quick Links (may require internal access)

[cid:ad666962-a453-4717-9571-b7d422ac3582]<https://urldefense.proofpoint.com/v2/url?u=https-3A__brookhavenlab.sharepoint.com_sites_eRHIC_Lists_eRHIC-2520Calendar_calendar.aspx&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=EL_wpLr9l2c0zbDYZ9ef8HFdRme5_gBjKUKgEALWRnw&e= >
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Electron-Proton and Ion Collider (ePIC) Experiment Wiki<https://urldefense.proofpoint.com/v2/url?u=https-3A__wiki.bnl.gov_EPIC_index.php-3Ftitle-3DMain-5FPage&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=a5UybChLH1tbK5qVZ9_ziK8NQbpKiuUmdtQ8bMyDrPE&e= >
[cid:ad666962-a453-4717-9571-b7d422ac3582]<https://urldefense.proofpoint.com/v2/url?u=https-3A__brookhavenlab.sharepoint.com_sites_eRHIC_SitePages_EIC-2DREPORTS.aspx&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=S6w8xlI2QSs3hrxUXyFxY2ZQf4buwL1UVQ_psOcl8HI&e= >
DOE EIC Monthly Reports<https://urldefense.proofpoint.com/v2/url?u=https-3A__brookhavenlab.sharepoint.com_sites_eRHIC_SitePages_EIC-2DREPORTS.aspx&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=d0KG5O9luo0FhuYP-_C2VbpBNln9iudksZOBnX13nypLFx5Y3VKB85tQJ8VLc-jR&m=Ab0hJndoLt1moAEsZhJ6GuTvVqrwFa_Bib71iWvPj56cW606aYwBeaSd_w3_lQPW&s=S6w8xlI2QSs3hrxUXyFxY2ZQf4buwL1UVQ_psOcl8HI&e= >
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