Bulletin of the American Physical Society
90th Annual Meeting of the Southeastern Section of the APS
Thursday–Saturday, November 9–11, 2023; Eastern Kentucky University, Richmond, Kentucky
Session E01: Poster Session
6:00 PM,
Thursday, November 9, 2023
Keen Johnson
Room: Walnut Hall
Abstract: E01.00062 : Improved Limits on n → n' Transformation from the Spallation Neutron Source*
Presenter:
Cary Rock
(University of Tennessee)
Authors:
Cary Rock
(University of Tennessee)
Francisco M Gonzalez
(Oak Ridge National Laboratory)
Leah J Broussard
(Oak Ridge National Lab)
Lisa DeBeer-Schmitt
(ORNL)
Michael Fitzsimmons
(ORNL)
Matthew Frost
(Oak Ridge National Lab)
Lawrence H Heilbronn
(University of Tennessee)
Erik B Iverson
(Oak Ridge National Lab)
Yuri A Kamyshkov
(University of Tennessee)
Michael Kline
(Ohio State University)
David Milstead
(Stockholm University)
Seppo I Penttila
(Oak Ridge National Lab)
Devyn Powers
(University of Tennessee)
Cary Rock
(University of Tennessee)
James Rogers
(University of Tennessee)
Valentina Santoro
(ESS - European Spallation Source)
Alexander Saunders
(Oak Ridge National Lab)
Shaun G Vavra
(University of Tennessee)
mechanism for Baryon Number B violation.
In the case that there is a small mass difference Δm or energy difference ΔE between the n and the n′ states, oscillations can be induced by compensating for Δm with a magnetic field.
A search for such neutron oscillations was performed at the Spallation Neutron Source by placing a thin cadmium wafer inside of 6.6 T magnet.
The approach described here saw no regenerated neutrons above background, which provides a new limit for neutron - mirror neutrons transformations for a range of Δm between about 0.1 neV and ~1000 neV.
*Funded by the DOE and NP
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