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A new method for measuring the neutron lifetime using an in situ neutron detector

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dc.contributor.authorMorris, C. L.en
dc.contributor.authorAdamek, E. R.en
dc.contributor.authorBroussard, L. J.en
dc.contributor.authorCallahan, N. B.en
dc.contributor.authorClayton, S. M.en
dc.contributor.authorCude-Woods, C.en
dc.contributor.authorCurrie, S. A.en
dc.contributor.authorDing, X.en
dc.contributor.authorFox, W.en
dc.contributor.authorHickerson, K. P.en
dc.contributor.authorHoffbauer, M. A.en
dc.contributor.authorHolley, A. T.en
dc.contributor.authorKomives, A.en
dc.contributor.authorLiu, C. Y.en
dc.contributor.authorMakela, M.en
dc.contributor.authorPattie, R. W., Jr.en
dc.contributor.authorRamsey, J.en
dc.contributor.authorSalvat, D. J.en
dc.contributor.authorSaunders, A.en
dc.contributor.authorSeestrom, S. J.en
dc.contributor.authorSharapov, E. I.en
dc.contributor.authorSjue, S. K.en
dc.contributor.authorTang, Z.en
dc.contributor.authorVanderwerp, J.en
dc.contributor.authorVogelaar, R. Bruceen
dc.contributor.authorWalstrom, P. L.en
dc.contributor.authorWang, Z.en
dc.contributor.authorWei, Wanchunen
dc.contributor.authorWexler, J. W.en
dc.contributor.authorWomack, T. L.en
dc.contributor.authorYoung, A. R.en
dc.contributor.authorZeck, B. A.en
dc.contributor.departmentPhysicsen
dc.date.accessioned2019-10-04T17:40:06Zen
dc.date.available2019-10-04T17:40:06Zen
dc.date.issued2017-05en
dc.description.abstractIn this paper, we describe a new method for measuring surviving neutrons in neutron lifetime measurements using bottled ultracold neutrons (UCN), which provides better characterization of systematic uncertainties and enables higher precision than previous measurement techniques. An active detector that can be lowered into the trap has been used to measure the neutron distribution as a function of height and measure the influence of marginally trapped UCN on the neutron lifetime measurement. In addition, measurements have demonstrated phase-space evolution and its effect on the lifetime measurement. (C) 2017 Author(s).en
dc.description.notesThis work was supported by the Los Alamos LDRD office, the Department of Energy, the National Science Foundation (Nos. 1307426 and 1553861), and DOE Low Energy Nuclear Physics (No. DE-FG02-97ER41042). The authors would like to thank the staff of LANSCE for their diligent efforts to develop the diagnostics and new techniques required to provide beam for this experiment.; This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).en
dc.description.sponsorshipLos Alamos LDRD office; Department of Energy; National Science Foundation [1307426, 1553861]; DOE Low Energy Nuclear Physics [DE-FG02-97ER41042]; U.S. Department of Energy [DE-AC05-00OR22725]; United States Governmenten
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1063/1.4983578en
dc.identifier.eissn1089-7623en
dc.identifier.issn0034-6748en
dc.identifier.issue5en
dc.identifier.other53508en
dc.identifier.pmid28571423en
dc.identifier.urihttp://hdl.handle.net/10919/94356en
dc.identifier.volume88en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleA new method for measuring the neutron lifetime using an in situ neutron detectoren
dc.title.serialReview of Scientific Instrumentsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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