NOPTREX: Neutron Optics Parity and Time Reversal Experiment

Jun 12, 2025, 3:15 PM
25m
Beefeaters

Beefeaters

Parallel session presentation Tests of Symmetries and the Electroweak Interaction Joint PPHI, Symmetries/EW,. PGDNN

Speaker

Sepehr Samiei (Indiana University)

Description

The NOPTREX collaboration is engaged in three distinct but related scientific activities as follows:(1) a P-odd/T-odd test in polarized neutron forward transmission in polarized 139La, (2) a P-even/T-odd test in polarized neutron transmission through tensor aligned 127I, and (3) improved (n, \gamma) spectroscopy for better determination of mean square matrix element <M^{2}> in heavy nuclei. All of these efforts exploit the large amplification of discrete symmetry violation in NN amplitudes (up to a factor of 10^{6}) which can occur in p-wave neutron-nucleus resonance reactions. In this talk we will summarize the intellectual motivations and status of each of these efforts.

Primary author

Sepehr Samiei (Indiana University)

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