[Eng-div] Accelerator Seminar: 4/1/15 - Edward Nissen

[Gayle Sundeen]

From: "Audrey Nichols" <anichols at jlab.org> 
Sent: Wednesday, April 1, 2015 8:15:00 AM 
Subject: Re: [Accelerator_staff] Accelerator Seminar: 4/1/15 - Edward Nissen 

Reminder! 



From: "Audrey Barron" <anichols at jlab.org> 
To: "acc staff" <acc_staff at jlab.org> 
Cc: "Edward Nissen" <enissen at gmail.com> 
Sent: Friday, March 27, 2015 12:08:45 PM 
Subject: [Accelerator_staff] Accelerator Seminar: 4/1/15 - Edward Nissen 

ACCELERATOR SEMINAR 

"The Beam-Beam Effect and Its Consequences for High Energy e-p Colliders such as the Lhec and FCC-he" 

Edward Nissen 
CERN Laboratory 



High energy e-p colliders like the proposed Large Hadron electron Collider (LHeC), and the proposed Future Circular Collider hadron-electron (FCC-he) collide high energy hadron beams with high energy electron beams for nuclear physics research. The beam-beam effect can have severe repercussions for both the electron and hadron beams in these colliders, and are modeled here using the strong-strong code Guinea-Pig. This work focuses on how the luminosities of the linac-ring designs for both the LHeC and FCC-he react to different waist shifts, bunch charges, and IR beta-functions. Simulations are also performed to measure the emittance growth of the stored hadron beams as they are repeatedly collided with an electron beam that is experiencing an offset jitter. The ramifications for the spent electron beam are also examined. 

Wednesday, April 1, 2015 
2:30 p.m. 
CEBAF Center Auditorium 


Seminar archives are found here: http://wwwold.jlab.org/accel/seminars.html 

------ 
Audrey N. Barron 
Administrative Assistant 
Center for Advanced Studies of Accelerators 
Jefferson Lab 
757-269-7327 
anichols at jlab.org / www.jlab.org 



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