Nuclear Science References (NSR)

NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = H.P.Mumm

Found 15 matches.

2023WI03 Phys.Rev. D 107, 118501 (2023)

F.E.Wietfeldt, R.Biswas, J.Caylor, B.Crawford, M.S.Dewey, N.Fomin, G.L.Greene, C.C.Haddock, S.F.Hoogerheide, H.P.Mumm, J.S.Nico, W.M.Snow, J.Zuchegno

Comment on "Search for explanation of the neutron lifetime anomaly"

RADIOACTIVITY ¹NN(β^-); analyzed available data; deduced T_1/2 measurement validation, lack of missing corrections and systematic uncertainties. The beam neutron lifetime experiment performed at NIST.

doi: 10.1103/PhysRevD.107.118501
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2019AS01 Nucl.Instrum.Methods Phys.Res. A922, 287 (2019)

J.Ashenfelter, A.B.Balantekin, C.Baldenegro, H.R.Band, C.D.Bass, D.E.Bergeron, D.Berish, L.J.Bignell, N.S.Bowden, J.Boyle, J.Bricco, J.P.Brodsky, C.D.Bryan, A.B.Telles, J.J.Cherwinka, T.Classen, K.Commeford, A.J.Conant, A.A.Cox, D.Davee, D.Dean, G.Deichert, M.V.Diwan, M.J.Dolinski, A.Erickson, M.Febbraro, B.T.Foust, J.K.Gaison, A.Galindo-Uribarri, C.E.Gilbert, K.E.Gilje, A.Glenn, B.W.Goddard, B.T.Hackett, K.Han, S.Hans, A.B.Hansell, K.M.Heeger, B.Heffron, J.Insler, D.E.Jaffe, X.Ji, D.C.Jones, K.Koehler, O.Kyzylova, C.E.Lane, T.J.Langford, J.LaRosa, B.R.Littlejohn, F.Lopez, X.Lu, D.A.Martinez Caicedo, J.T.Matta, R.D.McKeown, M.P.Mendenhall, H.J.Miller, J.M.Minock, P.E.Mueller, H.P.Mumm, J.Napolitano, R.Neilson, J.A.Nikkel, D.Norcini, S.Nour, D.A.Pushin, X.Qian, E.Romero-Romero, R.Rosero, D.Sarenac, B.S.Seilhan, R.Sharma, P.T.Surukuchi, C.Trinh, M.A.Tyra, R.L.Varner, B.Viren, J.M.Wagner, W.Wang, B.White, C.White, J.Wilhelmi, T.Wise, H.Yao, M.Yeh, Y.-R.Yen, A.Zhang, C.Zhang, X.Zhang, M.Zhao

The PROSPECT reactor antineutrino experiment

doi: 10.1016/j.nima.2018.12.079
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2019SW01 Phys.Rev. C 100, 015204 (2019)

H.E.Swanson, B.R.Heckel, C.D.Bass, T.D.Bass, J.M.Dawkins, J.C.Horton, D.Luo, W.M.Snow, S.B.Walbridge, B.E.Crawford, K.Gan, A.M.Micherdzinska, C.Huffer, D.M.Markoff, H.P.Mumm, J.S.Nico, M.Sarsour, E.I.Sharapov, V.Zhumabekova

Experimental upper bound and theoretical expectations for parity-violating neutron spin rotation in ⁴He

NUCLEAR REACTIONS ⁴He(polarized n, n), E=cold neutrons; measured polarization, parity-violating neutron spin rotation angle per unit length using a neutron optics crossed polarizer-analyzer with liquid ⁴He medium at the NIST Center for Neutron Research; deduced result consistent with zero. Comparison with previous experimental results, and with theoretical predictions. Reviewed the theoretical status of parity violation in then+⁴He system.

doi: 10.1103/PhysRevC.100.015204
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2016BA29 Phys.Rev.Lett. 116, 242501 (2016)

M.J.Bales, R.Alarcon, C.D.Bass, E.J.Beise, H.Breuer, J.Byrne, T.E.Chupp, K.J.Coakley, R.L.Cooper, M.S.Dewey, S.Gardner, T.R.Gentile, D.He, H.P.Mumm, J.S.Nico, B.O'Neill, A.K.Thompson, F.E.Wietfeldt, for the RDK II Collaboration

Precision Measurement of the Radiative β Decay of the Free Neutron

RADIOACTIVITY ¹NN(β^-); measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced photon energy spectrum from neutron radiative decay branching ratio and its uncertainties. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.116.242501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016MU05 Phys.Rev. C 93, 065502 (2016)

H.P.Mumm, M.G.Huber, W.Bauder, N.Abrams, C.M.Deibel, C.R.Huffer, P.R.Huffman, K.W.Schelhammer, R.Janssens, C.L.Jiang, R.H.Scott, R.C.Pardo, K.E.Rehm, R.Vondrasek, C.M.Swank, C.M.O'Shaughnessy, M.Paul, L.Yang

High-sensitivity measurement of ³He - ⁴He isotopic ratios for ultracold neutron experiments

ATOMIC MASSES ^3,4He; measured absolute isotopic ratio of ³He to ⁴He with a high sensitivity at ATLAS-ANL facility. Relevance to neutron half-life measurements using ultra-cold neutrons.

doi: 10.1103/PhysRevC.93.065502
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2016PH02 Phys.Rep. 612, 1 (2016)

D.G.Phillips II, W.M.Snow, K.Babu, S.Banerjee, D.V.Baxter, Z.Berezhiani, M.Bergevin, S.Bhattacharya, G.Brooijmans, L.Castellanos, M.-C.Chen, C.E.Coppola, R.Cowsik, J.A.Crabtree, P.Das, E.B.Dees, A.Dolgov, P.D.Ferguson, M.Frost, T.Gabriel, A.Gal, F.Gallmeier, K.Ganezer, E.Golubeva, G.Greene, B.Hartfiel, A.Hawari, L.Heilbronn, C.Johnson, Y.Kamyshkov, B.Kerbikov, M.Kitaguchi, B.Z.Kopeliovich, V.B.Kopeliovich, V.A.Kuzmin, C-Y.Liu, P.McGaughey, M.Mocko, R.Mohapatra, N.Mokhov, G.Muhrer, H.P.Mumm, L.Okun, R.W.Pattie, Jr., C.Quigg, E.Ramberg, A.Ray, A.Roy, A.Ruggles, U.Sarkar, A.Saunders, A.P.Serebrov, H.M.Shimizu, R.Shrock, A.K.Sikdar, S.Sjue, S.Striganov, L.W.Townsend, R.Tschirhart, A.Vainshtein, R.Van Kooten, Z.Wang, A.R.Young

Neutron-antineutron oscillations: Theoretical status and experimental prospects

COMPILATION A=1; compiled experimental and theoretical information.

doi: 10.1016/j.physrep.2015.11.001
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2013CH11 Hyperfine Interactions 214, 97 (2013)

T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, G.L.Jones, A.Garcia, H.P.Mumm, J.S.Nico, A.K.Thompson, C.Trull, F.E.Wietfeldt, J.F.Wilkerson, for the emiT II Collaboration

Time reversal and the neutron

RADIOACTIVITY ¹NN(β^-); measured Eβ, Iβ, Ep, Ip, p-E-coin.; deduced triple correlation value, phase of the axial-vector coupling relative to the vector coupling.

doi: 10.1007/s10751-013-0776-y
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2012CH36 Phys.Rev. C 86, 035505 (2012)

T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Jones, H.P.Mumm, J.S.Nico, A.K.Thompson, C.A.Trull, F.E.Wietfeldt, J.F.Wilkerson

Search for a T-odd, P-even triple correlation in neutron decay

RADIOACTIVITY ¹n(β^-); measured Ep, Ip, Eβ, (proton)(electron)-coin, proton time of flight in the decay of longitudinally polarized neutron using emiT apparatus at NIST Center for Neutron Research (NCNR); deduced T-odd, P-even triple correlation D, phase of the ratio of the axial-vector and vector coupling constants.

doi: 10.1103/PhysRevC.86.035505
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2011MU15 Phys.Rev.Lett. 107, 102301 (2011)

H.P.Mumm, T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Jones, J.S.Nico, A.K.Thompson, C.A.Trull, J.F.Wilkerson, F.E.Wietfeldt

New Limit on Time-Reversal Violation in Beta Decay

doi: 10.1103/PhysRevLett.107.092301
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Data from this article have been entered in the XUNDL database. For more information, click here.

2011SN01 Phys.Rev. C 83, 022501 (2011)

W.M.Snow, C.D.Bass, T.D.Bass, B.E.Crawford, K.Gan, B.R.Heckel, D.Luo, D.M.Markoff, A.M.Micherdzinska, H.P.Mumm, J.S.Nico, A.K.Opper, M.Sarsour, E.I.Sharapov, H.E.Swanson, S.B.Walbridge, V.Zhumabekova

Upper bound on parity-violating neutron spin rotation in ⁴He

NUCLEAR REACTIONS ⁴He(polarized n, n), E=slow; measured neutron spin rotation angle per unit length; deduced upper bound on parity-violating neutron spin rotation.

doi: 10.1103/PhysRevC.83.022501
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2010CO03 Phys.Rev. C 81, 035503 (2010)

R.L.Cooper, T.E.Chupp, M.S.Dewey, T.R.Gentile, H.P.Mumm, J.S.Nico, A.K.Thompson, B.M.Fisher, I.Kremsky, F.E.Wietfeldt, E.J.Beise, K.G.Kiriluk, J.Byrne, K.J.Coakley, C.Fu

Radiative β decay of the free neutron

RADIOACTIVITY ¹n(β^-); measured Eγ, Ep, E(e), peγ-coin; deduced branching ratio for radiative decay (inner bremsstrahlung) of neutron in 15-340 keV photon energy range. Monte-Carlo simulations of the spectra. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.81.035503
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Data from this article have been entered in the XUNDL database. For more information, click here.

2006NI13 Nature(London) 444, 1059 (2006)

J.S.Nico, M.S.Dewey, T.R.Gentile, H.P.Mumm, A.K.Thompson, B.M.Fisher, I.Kremsky, F.E.Wietfeldt, T.E.Chupp, R.L.Cooper, E.J.Beise, K.G.Kiriluk, J.Byrne, K.J.Coakley