MEASUREMENTS OF 2-SPIN AND 3-SPIN PARAMETERS AT 6-GEV-C USING A TRANSVERSELY POLARIZED BEAM AND TARGET

被引:21
作者
BERETVAS, A
MILLER, D
AUER, IP
GIESE, R
HILL, D
NIELD, K
RYNES, P
SANDLER, B
WATANABE, Y
YOKOSAWA, A
机构
[1] NORTHWESTERN UNIV,EVANSTON,IL 60201
[2] ARGONNE NATL LAB,ARGONNE,IL 60439
来源
PHYSICAL REVIEW D | 1979年 / 20卷 / 01期
关键词
D O I
10.1103/PhysRevD.20.21
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Toward the goal of experimentally determining pp elastic scattering amplitudes at 6 GeV/c, we have measured a linear combination of triple-spin correlation parameters and also a linear combination of spintransfer parameters over the |t| range between 0.2 and 1.0 (GeV/c)2. A horizontally polarized beam (S direction) was obtained by precessing the spin of the polarized beam from the Argonne Zero Gradient Synchrotron using a superconducting solenoid. The target protons were polarized vertically (N direction) and the polarization of the recoil protons was measured with a carbon polarimeter. The results are consistent with the amplitude corresponding to π exchange being almost real and positive. © 1979 The American Physical Society.
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页码:21 / 32
页数:12
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