Dynamic aperture calculation for 100 GeV Au-Au and 250 GeV pp lattices with near third order resonance working point

Gu, X. ; Luo, Y. ; Fischer, W.

Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider

关键词: Simulation Relativistic Heavy Ion Collider;    Protons;    Apertures;    43 Particle Accelerators;    Polarization;   

DOI  :  10.2172/988807
RP-ID  :  BNL--93913-2010-IR
RP-ID  :  DE-AC02-98CH10886
RP-ID  :  988807

美国|英语

来源: UNT Digital Library

【 摘 要 】

In the preparation for the 2011 RHIC 250 GeV polarized proton (pp) run, both experiment and simulation were carried out to investigate the possibility to accelerate the proton beam with a vertical tune near 2/3. It had been found experimentally in Run-9 that accelerating the proton beam with a vertical tune close to 2/3 will greatly benefit the transmission of the proton polarization. In this note, we report the calculated dynamic apertures with the 100 GeV Au run and 250 GeV proton run lattices with vertical tunes close to the third order resonance. We will compare the third order resonance band width between the beam experiment and the simulation with the 100 GeV Au lattices. And we also will compare the calculated resonance band width between the 100 GeV Au and 250 GeV proton run lattices.