Test of parity-conserving time-reversal invariance using polarized neutrons and nuclear spin aligned holmium

被引：37
作者：
Huffman, PR
Roberson, NR
Wilburn, WS
Gould, CR
Haase, DG
Keith, CD
Raichle, BW
Seely, ML
Walston, JR
机构：
[1] DUKE UNIV, DEPT PHYS, DURHAM, NC 27708 USA
[2] TRIANGLE UNIV NUCL LAB, DURHAM, NC 27708 USA
[3] N CAROLINA STATE UNIV, DEPT PHYS, RALEIGH, NC 27695 USA
来源：
PHYSICAL REVIEW C | 1997年 / 55卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.55.2684
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A test of parity-conserving, time-reversal noninvariance (PC TRNI) has been performed in 5.9 MeV polarized neutron transmission through nuclear spin aligned holmium. The experiment searches for the T-violating fivefold correlation via a double modulation technique-flipping the neutron spin while rotating the alignment axis of the holmium. Relative cross sections for spin-up and spin-down neutrons an found to be equal to within 1.2 x 10(-5) (80% confidence). This is a two orders of magnitude improvement compared to traditional detailed balance studies of time reversal, and represents the most precise test of PC TRNI in a dynamical process, to our knowledge.
引用
收藏
页码：2684 / 2696
页数：13
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