Time-Reversal Invariance and Radiative Muon Decay

1958 ◽  
Vol 111 (2) ◽  
pp. 649-651 ◽  
Author(s):  
R. H. Pratt
Keyword(s):  
Time Reversal ◽  
Muon Decay ◽  
Time Reversal Invariance ◽  
Reversal Invariance

Polarized muon decay: Measurement of the polarization vector of the decay positrons as a test of time reversal invariance

2003 ◽  
Vol 721 ◽  
pp. C457-C460 ◽  
Author(s):  
W. Fetscher ◽  
K. Bodek ◽  
A. Budzanowski ◽  
N. Danneberg ◽  
C. Hilbes ◽  
...  
Keyword(s):  
Time Reversal ◽  
Polarization Vector ◽  
Muon Decay ◽  
Time Reversal Invariance ◽  
Reversal Invariance ◽  
Decay Measurement

Muon decay: Measurement of the transverse e+ polarization and its implications on GF and time reversal invariance

2007 ◽  
Author(s):  
W. Fetscher ◽  
K. Bodek ◽  
N. Danneberg ◽  
L. Jarczyk ◽  
K. Kirch ◽  
...  
Keyword(s):  
Time Reversal ◽  
Muon Decay ◽  
Time Reversal Invariance ◽  
Reversal Invariance ◽  
Decay Measurement

scholarly journals DIRECT TEST OF TIME REVERSAL INVARIANCE VIOLATION IN B-MESONS

2008 ◽  
Vol 23 (25) ◽  
pp. 2085-2091 ◽  
Author(s):  
EZEQUIEL ÁLVAREZ ◽  
ALEJANDRO SZYNKMAN
Keyword(s):  
B Mesons ◽  
Time Reversal ◽  
B Meson ◽  
Experimental Information ◽  
Time Reversal Invariance ◽  
Cpt Invariance ◽  
Invariance Violation ◽  
Mean Lifetime ◽  
Reversal Invariance ◽  
Model Independent

In this letter we reinterpret and reanalyze the available data of the B-meson factories showing the existence of direct experimental evidence of time reversal invariance violation in B-mesons. This reinterpretation consists of using the available observables to define a new observable which, in a model-independent way and without assuming CPT invariance, compares a transition between a B0 and a here-defined Bα-state, with its time reversed transition. The observable then offers a direct way to probe time reversal invariance and it is therefore independent of any conclusion obtained from current experimental information on CP violation and CPT invariance. As far as we are concerned, this is the first direct evidence of time reversal invariance violation in B-mesons and also the first one obtained from decaying particles whose mean lifetime difference is negligible.

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