Axial observables in (d)over-right-arrow(p)over-right-arrow breakup and the three-nucleon force -: art. no. 112502

被引：27
|
作者：
Meyer, HO [1 ]
Whitaker, TJ
Pollock, RE
von Przewoski, B
Rinckel, T
Doskow, J
Kuros-Zolnierczuk, J
Thörngren-Engblom, P
Pancella, PV
Wise, T
Lorentz, B
Rathmann, F
机构：
[1] Indiana Univ, Cyclotron Facil, Bloomington, IN 47405 USA
[2] Indiana Univ, Ctr Nucl Theory, Bloomington, IN 47405 USA
[3] Uppsala Univ, Uppsala, Sweden
[4] Western Michigan Univ, Kalamazoo, MI 49008 USA
[5] Univ Wisconsin, Madison, WI 53706 USA
[6] Forschungszentrum Julich, Inst Kernphys, D-5170 Julich, Germany
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.93.112502
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have measured three axial polarization observables in (d) over right arrow(p) over right arrow breakup with a polarized 270 MeV deuteron beam on a polarized proton target. Axial observables are zero by parity conservation in elastic scattering but can be easily observed in the breakup channel at the present energy. Based on a symmetry argument, the sensitivity of these observables to the three-nucleon force might be enhanced. Calculations without three-nucleon force are in fair agreement with our measurement, indicating that the expected sensitivity of axial observables to the three-nucleon force is not confirmed. Including a three-nucleon force in the calculation does not improve the agreement with the data.
引用
收藏
页码：112502 / 1
页数：4
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