[clas12_rgk] [EXTERNAL] Re: Abstract for DNP

[Igor Strakovsky]

The same fo me


On Wed, Jun 26, 2024 at 3:12 PM Bill Briscoe <briscoe at gwu.edu> wrote:

> Looks good to me
>
> On Wed, Jun 26, 2024, 14:17 Izzy Illari <izzy at jlab.org> wrote:
>
>> Dear RG-K Group and HSWG Members,
>>
>> I hope this email finds you well. I'm writing to follow up on my previous
>> communication regarding the abstract submission for the DNP.
>>
>> Following feedback and adhering to the APS DNP guidelines, I have revised
>> the abstract to meet the 1300 character limit. Please find the updated
>> abstract below:
>>
>> The exploration of nucleon structure and electromagnetic transitions from
>> ground state to excited state is a cornerstone of nuclear physics research.
>> Meson electro-production experiments have opened new avenues for
>> investigating these phenomena, particularly in the 12 GeV era at Jefferson
>> Lab with the CLAS12 spectrometer. The ηN final states, accessible only via
>> isospin I = 1/2 resonances, provide a unique tool for studying nucleon
>> excitations. By simplifying the analysis and enabling a cleaner extraction
>> of resonance properties compared to the extensively studied πN final
>> states, η electro-production offers a complementary approach. This work
>> presents the first-ever measurement of the beam spin asymmetry (ALU) in
>> exclusive η electroproduction, covering a previously unexplored kinematic
>> region with 1.6 ≤ W ≤ 2.2 GeV. ALU is determined from the CLAS12 data using
>> an analysis framework that considers the statistical limitations of the
>> data set. Results are compared to theoretical models Jülich-Bonn-Washington
>> and EtaMAID. ALU exhibits discrepancies with model predictions,
>> highlighting the potential for refining theoretical descriptions of nucleon
>> resonances and their electromagnetic couplings. These new results in a
>> previously unmeasured kinematic region provide valuable input for future
>> theoretical developments.
>>
>> Thank you for your time and input. I appreciate any additional feedback
>> or suggestions you may have on this revised version.
>>
>> All the best,
>> Izzy
>> On Jun 25, 2024, at 7:04 PM, Bill Briscoe <briscoe at gwu.edu> wrote:
>>>
>>> An abstract submitted via the APS meeting page will cut off if the
>>> abstract is too long. This is too long. Please do a test run without
>>> submitting the abstract and prune it down.
>>>
>>> Bb
>>>
>>> On Tue, Jun 25, 2024, 19:00 Izzy Illari <iti2103 at gwmail.gwu.edu> wrote:
>>>
>>>> Dear RG-K Group and HSWG Members,
>>>>
>>>> I hope this email finds you well.
>>>>
>>>> I have been encouraged by RG-K group to submit an abstract for the
>>>> upcoming DNP October 7-10. The abstract is identical to the one I presented
>>>> at the PWA/ATHOS conference in May, which has already been previously
>>>> circulated to the HSWG.
>>>>
>>>> For your convenience, I have copied the abstract again down below. The
>>>> abstract submission deadline is 8 July 2024.
>>>>
>>>> I would appreciate any feedback or suggestions you may have regarding
>>>> the abstract.
>>>>
>>>> Thank you and all the best,
>>>> Izzy
>>>>
>>>> Exclusive $\eta$ Electro-Production Beam Spin Asymmetry Measurements
>>>> using CLAS12 at Jefferson Lab
>>>>
>>>> The exploration of nucleon structure and electromagnetic transitions
>>>> from ground state to excited state is a cornerstone of nuclear physics
>>>> research. Meson electro-production experiments have opened new avenues for
>>>> investigating these phenomena, particularly in the 12 GeV era at Jefferson
>>>> Lab with the CLAS12 spectrometer. The $\eta N$ final states, accessible
>>>> only through isospin $I = 1/2$ resonances, provide a unique tool for
>>>> studying nucleon excitations. By simplifying the analysis and enabling a
>>>> cleaner extraction of resonance properties compared to the extensively
>>>> studied $\pi N$ final states, $\eta$ electro-production offers a
>>>> complementary approach to unraveling the structure of excited nucleons.
>>>> This work presents the first-ever measurement of the beam spin asymmetry
>>>> (BSA) in exclusive $\eta$ electro-production, covering a previously
>>>> unexplored kinematic region with $1.6 \leq W \leq 2.2$ GeV. The BSA is
>>>> extracted from the CLAS12 data using a comprehensive analysis framework
>>>> that carefully considers the statistical limitations of the data set. The
>>>> results are compared to predictions from theoretical models, such as the
>>>> J"{u}lich-Bonn-Washington (JBW) and MAID, as well as compared to previously
>>>> published cross-section and spin observable results from CLAS, and SLAC.
>>>> Notably, the extracted BSA exhibits discrepancies with the model
>>>> predictions, highlighting the potential for refining theoretical
>>>> descriptions of nucleon resonances and their electromagnetic couplings
>>>> through the incorporation of these new data. The high-precision data
>>>> obtained in this previously unmeasured kinematic region now serve as
>>>> valuable input for theorists to refine their models.
>>>>
>>>> --
>>>> Izzy Illari
>>>> Pronouns: They/Them
>>>>
>>>> M.Phil. in Physics | The George Washington University, 2022
>>>> Graduate Certificate in Data Science | The George Washington
>>>> University, 2021
>>>> M.S. in Physics | The George Washington University, 2020
>>>> B.A. in Physics | Barnard College, Columbia University, 2017
>>>>
>>>> GWU: iti2103 at gwmail.gwu.edu | JLab: izzy at jlab.org
>>>>
>>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/clas12_rgk/attachments/20240626/5d464c7b/attachment.html>