Development of self-modulation as a function of plasma length

被引：0
|
作者：
Clairembaud, Arthur [1 ,2 ]
Turner, Marlene [3 ]
Muggli, Patric [1 ]
机构：
[1] Max Planck Inst Phys & Astrophys, Garching, Bavaria, Germany
[2] Tech Univ Munich, Garching, Bavaria, Germany
[3] CERN, Geneva, Switzerland
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2025年 / 1073卷
关键词：
Plasma; Wakefields; Instability; Numerical simulations; Saturation; AWAKE; Proton; Self-modulation; BEAM;
D O I：
10.1016/j.nima.2025.170265
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We use numerical simulations to determine whether the saturation length of the self-modulation (SM) instability of along proton bunch in plasma could be determined by measuring the radius of the bunch halo SM produces. Results show that defocused protons acquire their maximum transverse momentum and exit the wakefields at a distance approximately equal to the saturation length of the wakefields. This suggests that measuring the radius of the halo as a function of plasma length in the AWAKE experiment would yield a very good estimate for the saturation length of SM.
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页数：4
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