TRANSVERSE LONGITUDINAL ASYMMETRY IN THE QUASI-ELASTIC (HE)OVER-RIGHT-ARROW-3(E)OVER-RIGHT-ARROW,E') REACTION

被引:20
作者
HANSEN, JO
TITKO, MA
DESCHEPPER, D
DODSON, G
DONNELLY, TW
ENT, R
FARKHONDEH, M
KORSCH, W
KRAMER, LH
LEE, K
MAKINS, NCR
MILNER, RG
TIEGER, DR
WELCH, TP
JONES, CE
ARRINGTON, J
BEISE, EJ
BRAY, B
CARR, RW
FILIPPONE, BW
GAO, H
LUNG, A
MCKEOWN, RD
MUELLER, B
PITT, ML
SCHULZE, RW
SAUER, PU
CANDELL, E
NAPOLITANO, J
TRIPP, C
WOJTSEKHOWSKI, BB
LORENZON, W
DOW, K
机构
[1] MIT, CTR THEORET PHYS, BATES LINEAR ACCELERATOR CTR, NUCL SCI LAB, CAMBRIDGE, MA 02139 USA
[2] MIT, DEPT PHYS, CAMBRIDGE, MA 02139 USA
[3] CALTECH, WK KELLOGG RADIAT LAB, PASADENA, CA 91125 USA
[4] UNIV HANNOVER, INST THEORET PHYS, D-30167 HANNOVER, GERMANY
[5] RENSSELAER POLYTECH INST, DEPT PHYS, TROY, NY 12180 USA
[6] TRIUMF, VANCOUVER, BC V6T 2A3, CANADA
关键词
D O I
10.1103/PhysRevLett.74.654
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The transverse-longitudinal asymmetry ATL′ in He→3(e→,e′) quasielastic scattering at momentum transfer Q2=0.14 (GeV/c)2 has been measured to be 1.52 ± 0.55(stat) ± 0.15(syst)%. The plane wave impulse approximation (PWIA) prediction for this measurement ranges from 2.1% to 2.9%, where the variation is due to uncertainty in the initial state wave function, nucleon form factors, and off-shell prescription. The data may suggest a suppression with respect to the PWIA, which has also been observed for the unpolarized longitudinal response function. © 1995 The American Physical Society.
引用
收藏
页码:654 / 657
页数:4
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