PRECISE ANALYZING POWER CALIBRATION IN PROTON CARBON SCATTERING AT 71-MEV

被引:18
作者
EVERSHEIM, PD [1 ]
HINTERBERGER, F [1 ]
LAHR, U [1 ]
VONPRZEWOSKI, B [1 ]
CAMPBELL, J [1 ]
GOTZ, J [1 ]
HAMMANS, M [1 ]
HENNECK, R [1 ]
MASSON, G [1 ]
SICK, I [1 ]
机构
[1] UNIV BASEL,INST PHYS,CH-4056 BASEL,SWITZERLAND
关键词
D O I
10.1016/0370-2693(90)91923-Y
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have calibrated the analyzing power Ay in proton-carbon elastic scattering at 71.2 MeV via double-scattering with polarized beam. An accuracy of ±0.001 was achieved using a highly efficient setup (statistical uncertainty of ±0.0003) and a new type of analysis based on asymmetry ratios. Our result Ay=0.986±0.001 may indicate the existence of a point with Ay=1 near 65 MeV. © 1990.
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收藏
页码:253 / 257
页数:5
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