ELASTIC-SCATTERING OF POLARIZED PROTONS FROM POLARIZED HE-3

被引：7
|
作者：
HAUSSER, O
LARSON, B
ALFORD, WP
CHAN, C
DELHEIJ, PPJ
HENDERSON, RS
JACKSON, KP
LANDAU, RH
MEFFORD, T
MILLER, CA
RAHAV, A
RAY, L
TRUDEL, A
VETTERLI, MC
机构：
[1] TRIUMF,VANCOUVER,BC V6T 2A3,CANADA
[2] UNIV WESTERN ONTARIO,LONDON,ON N6A 3K7,CANADA
[3] OREGON STATE UNIV,DEPT PHYS,CORVALLIS,OR 97331
[4] UNIV TEXAS,DEPT PHYS,AUSTIN,TX 78712
来源：
PHYSICS LETTERS B | 1995年 / 343卷 / 1-4期
关键词：
NUCLEAR REACTION; (HE)OVER-RIGHT-ARROW-3((P)OVER-RIGHT-ARROW; P(0)); E(P)=500MEV; SPIN OBSERVABLES;
D O I：
10.1016/0370-2693(94)01434-E
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A polarized He-3 gas target of 6.44 atm pressure has been used to measure beam- and target-related asymmetries, A(00N0) and A(000N), and spin correlation parameters, A(00NN), for proton elastic scattering from He-3. Between 200 and 500 MeV, and in the range of momentum transfers q = 2 - 5.1 fm(-1), differences between A(000N) and A(00N0) are found which provide unambiguous evidence for a significant f amplitude in p-He-3 scattering even though this amplitude vanishes for the NN system. The new target-related observables are only in fair agreement with results of two model calculations based on a non-relativistic momentum space optical potential and on a nonrelativistic distorted wave Born approximation model.
引用
收藏
页码：36 / 40
页数：5
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