activity
20152026
most citedDevelopment and application of a He Neutron Spin Filter at J-PARC

43 citations · 221 across the 20 of their papers we have counts for

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physics.ins-det2026

Development of a Modular Current-Mode NaI(Tl) Detector Array for Parity Odd (n,γ) Cross Section Measurements

J. T. Mills, J. G. Otero Munoz, K. Dickerson +26

The Neutron Optics Parity and Time-Reversal Violation Experiment (NOPTREX) Collaboration has developed a modular array of 24 NaI(Tl) detectors to measure parity and time-reversal s…

physics.ins-det2024★ 1 cited

Circular polarization measurement for individual gamma rays in capture reactions with intense pulsed neutrons

S. Endo, R. Abe, H. Fujioka +21

Measurements of circular polarization of -ray emitted from neutron capture reactions provide valuable information for nuclear physics studies. The spin and parity of excited sta…

physics.ins-det2024

Demonstration of Near-Epithermal Neutron Reflective Optics

Takuhiro Fujiie, Ryota Abe, Masahiro Hino +11

Specular reflection of neutrons on material surfaces has been demonstrated in the energy range of 0.09-0.7 eV. The results suggest that the applicable energy range of reflective ne…

physics.ins-det2023

Performance of the Fully-equipped Spin Flip Chopper For Neutron Lifetime Experiment at J-PARC

K. Mishima, G. Ichikawa, Y. Fuwa +19

To solve the ''neutron lifetime puzzle,'' where measured neutron lifetimes differ depending on the measurement methods, an experiment with pulsed neutron beam at J-PARC is in progr…

physics.ins-det2020★ 3 cited

Measurement of rays from LiF tile as an inner wall of a neutron-decay detector

J. Koga, S. Ieki, A. Kimura +12

A neutron lifetime measurement conducted at the Japan Proton Accelerator Research Complex (J-PARC) is counting the number of electrons from neutron decays with a time projection ch…

physics.ins-det2020★ 43 cited

Development and application of a He Neutron Spin Filter at J-PARC

T. Okudaira, T. Oku, T. Ino +22

We are developing a neutron polarizer with polarized He gas, referred to as a He spin filter, based on the Spin Exchange Optical Pumping (SEOP) for polarized neutron scatte…

physics.ins-det2017★ 11 cited

Characterization of Germanium Detectors for the Measurement of the Angular Distribution of Prompt gamma-rays at the ANNRI in the MLF of the J-PARC

Shusuke Takada, Takuya Okudaira, Fumiya Goto +9

In this study, the germanium detector assembly, installed at the Accurate Neutron-Nuclear Reaction measurement Instruments (ANNRI) in the Material and Life Science Facility (MLF) o…