A laser-based beam profile monitor for the SLC/SLD interaction region

被引:15
|
作者
Alley, R [1 ]
Arnett, D [1 ]
Bong, E [1 ]
Colocho, W [1 ]
Frisch, J [1 ]
HortonSmith, S [1 ]
Inman, W [1 ]
Jobe, K [1 ]
Kotseroglou, T [1 ]
McCormick, D [1 ]
Nelson, J [1 ]
Scheeff, M [1 ]
Wagner, S [1 ]
Ross, MC [1 ]
机构
[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309
关键词
D O I
10.1016/0168-9002(96)00556-6
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Beam size estimates made using beam-beam deflections are used for optimization of the Stanford Linear Collider (SLC) electron-positron beam sizes. Typical beam sizes and intensities expected for 1996 operations are 2.1 x 0.6 mu m (x,y) at 4.0 x 10(10) particles per pulse. Conventional profile monitors, such as scanning wires, fail at charge densities well below this. The laser-based profile monitor uses a finely-focused 350-nm wavelength tripled YLF laser pulse that traverses the particle beam path about 29 cm away from the e(+)/e(-) IF. Compton scattered photons and degraded e(+)/e(-) are detected as the beam is steered across the laser pulse. The laser pulse has a transverse size of 380 nm and a Rayleigh range of about 5 mu m.
引用
收藏
页码:363 / 365
页数:3
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