title: New limit on time-reversal violation in beta decay.
abstract: We report the results of an improved determination of the triple correlation DP·(p(e)×p(v)) that can be used to limit possible time-reversal invariance in the beta decay of polarized neutrons and constrain extensions to the standard model. Our result is D=[-0.96±1.89(stat)±1.01(sys)]×10(-4). The corresponding phase between gA and gV is ϕAV=180.013°±0.028° (68% confidence level). This result represents the most sensitive measurement of D in nuclear β decay.
authors: National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA.
authors: H P
authors: HP
authors: Mumm
authors: T E
authors: TE
authors: Chupp
authors: R L
authors: RL
authors: Cooper
authors: K P
authors: KP
authors: Coulter
authors: S J
authors: SJ
authors: Freedman
authors: B K
authors: BK
authors: Fujikawa
authors: A
authors: A
authors: García
authors: G L
authors: GL
authors: Jones
authors: J S
authors: JS
authors: Nico
authors: A K
authors: AK
authors: Thompson
authors: C A
authors: CA
authors: Trull
authors: J F
authors: JF
authors: Wilkerson
authors: F E
authors: FE
authors: Wietfeldt