NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = J.Munson Found 13 matches. 2020CZ01 Phys.Rev. C 101, 024312 (2020) A.Czeszumska, N.D.Scielzo, S.A.Caldwell, J.A.Clark, G.Savard, B.S.Wang, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed neutron emission studies of 137,138I and 144,145Cs performed with trapped ions RADIOACTIVITY 137,138I, 144,145Cs(β-), (β-n)[252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with previous experimental results.
doi: 10.1103/PhysRevC.101.024312
2020WA04 Phys.Rev. C 101, 025806 (2020) B.S.Wang, S.A.Caldwell, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed-neutron studies of 135,136Sb and 140I performed with trapped ions RADIOACTIVITY 135,136Sb, 140I(β-), (β-n) [from 252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.101.025806
2018SI07 Phys.Rev. C 97, 035504 (2018) K.Siegl, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, S.A.Caldwell, B.S.Alan, M.T.Burkey, C.J.Chiara, J.P.Greene, J.Harker, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, R.Orford, S.Padgett, A.Perez Galvan, K.S.Sharma, S.Y.Strauss Recoil ions from the β decay of 134Sb confined in a Paul trap RADIOACTIVITY 134,134mSb(β-)[from 252Cf SF decay at CARIBU-ANL facility]; measured β, γ, singly-charged recoil ions, βγ-coin, β(ce)-coin, (recoils)β-coin, time-of-flight spectra for β(ion)-coin using Beta-decay Paul Trap (BPT); deduced charge-state distribution of the recoiling ions, mean electron loss, β-ν correlation coefficient (aβν), β-decay simulations, significant β-decay strength (17.2%) to high-lying excited states in 134Te to obtain an angular correlation consistent with expected value of unity for 0- to 0+ β transition. Comparison of the observed β-decay spectrum with that from the decay scheme in the ENSDF database or Nuclear Data Sheets for 134Sb g.s. decay. Comparison of mean atomic electron loss in 134Sb decay with that from the decays of noble gases 6He, 23Ne, 35Ar, 41Ar, 85Kr and 133Xe. 134,134mSb; half-lives used from literature and those determined at CARIBU-ANL facility (reference 23 in this work).
doi: 10.1103/PhysRevC.97.035504
2017MU04 Phys.Rev. C 95, 015805 (2017) J.M.Munson, E.B.Norman, J.T.Burke, R.J.Casperson, L.W.Phair, E.McCleskey, M.McCleskey, D.Lee, R.O.Hughes, S.Ota, A.Czeszumska, P.A.Chodash, A.J.Saastamoinen, R.A.E.Austin, A.E.Spiridon, M.Dag, R.Chyzh, M.S.Basunia, J.J.Ressler, T.J.Ross Decay branching ratios of excited 24Mg NUCLEAR REACTIONS 24Mg(α, α'), E=40 MeV; measured decay products identified by outgoing α particles, protons and γ rays from the resulting 20Ne, 23Na, and 23Mg daughters, (particle)(particle)-coin, αγ-coin using the STARLiTeR detector array at Texas A and M K150 cyclotron facility; deduced branching ratios for α-, proton- and neutron-emitting channels from the decay of unbound states in 24Mg. Possible surrogate reaction for 12C(12C, α)20Ne, 12C(12C, p)23Na, 12C(12C, n)23Mg reactions of astrophysical interest. 20Ne, 23Na, 23Mg; deduced levels populated by the decay of excited states of 24Mg.
doi: 10.1103/PhysRevC.95.015805
2014RO25 Phys.Rev. C 90, 044323 (2014) T.J.Ross, R.O.Hughes, J.M.Allmond, C.W.Beausang, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Spectroscopy of 153Gd and 157Gd using the (p, dγ) reaction NUCLEAR REACTIONS 154,158Gd(p, d), E=25 MeV; measured Eγ, Iγ, E(d), I(d), dγ-, dγγ-coin, d(θ) in coincidence with γ rays using STARS and LIBERACE arrays at LBNL cyclotron facility. 153,157Gd; deduced levels, J, π, L-transfers, Nilsson assignments. DWBA analysis of angular distribution data. Comparison with previous experimental results. Discussed residual effects of a neutron subshell closure at N=64.
doi: 10.1103/PhysRevC.90.044323
2013CZ01 Phys.Rev. C 87, 034613 (2013) A.Czeszumska, C.T.Angell, J.T.Burke, N.D.Scielzo, E.B.Norman, R.A.E.Austin, G.Boutoux, R.J.Casperson, P.Chodash, R.O.Hughes, C.M.Mattoon, V.Meot, J.Munson, L.Phair, J.J.Ressler, O.Roig, T.J.Ross, E.Swanberg, B.Wang Determining the 239Np(n, f) cross section using the surrogate ratio method NUCLEAR REACTIONS 236,238U(3He, pF), E=29 MeV; measured proton, deuteron, triton, 3,4He spectra, fission events, fission anisotropies, particle-fission time-to-amplitude spectrum, (fission)p-coin using STARS array at LBNL cyclotron facility. 239Np(n, F), E=0.5-20 MeV; deduced cross section by surrogate ratio method. Comparison with ENDF/B-VII.0, JENDL-4.0, and CENDL-3.1 evaluated libraries. Impact on estimate of 240Pu produced during fuel burnup in calculations using reactor codes.
doi: 10.1103/PhysRevC.87.034613
2013RO23 Phys.Rev. C 88, 031301 (2013) T.J.Ross, R.O.Hughes, C.W.Beausang, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Remnants of spherical shell structures in deformed nuclei: The impact of an N=64 neutron subshell closure on the structure of N≈90 gadolinium nuclei NUCLEAR REACTIONS 154,156,158Gd(p, d), E=25 MeV; measured deuteron and γ spectra, dγ-, γγ-coin, σ(θ) for deuterons using STARS and LIBERACE detector systems at LBNL facility. DWBA analysis of σ(θ) data. 153,155, 157Gd; deduced low-energy levels, J, π, Nilsson configurations, persistence of spherical shell structure.
doi: 10.1103/PhysRevC.88.031301
2012HU01 Phys.Rev. C 85, 024613 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.E.Escher, J.Munson, L.W.Phair, J.J.Ressler Utilizing (p, d) and (p, t) reactions to obtain (n, f) cross sections in uranium nuclei via the surrogate-ratio method NUCLEAR REACTIONS 236,238U(p, d), (p, t), E=28 MeV; measured E(d), I(d), E(t), I(t), fission spectra, (particle)(fission)-, (particle)γ-coin, fission fragment anisotropy ratios using STARS detector array at LBNL cyclotron facility; deduced σ[236U(n, F)]/σ[234U(n, F)], σ[235U(n, F)]/σ[233U(n, F)], σ[234U(n, F)]/σ[233U(n, F)], σ[236U(n, F)]/σ[235U(n, F)] reaction cross section ratios for E(n)=0-7 MeV. Surrogate-ratio method. Comparison with ENDF/B-VII evaluation.
doi: 10.1103/PhysRevC.85.024613
2012HU14 J.Phys.:Conf.Ser. 381, 012064 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.Munson, L.Phair, J.J.Ressler To the continuum and beyond: Structure of U nuclei NUCLEAR REACTIONS 236,238U(p, X), E=28 MeV; measured outgoing light ions using STARS Si telescope, (particle)(fission)-coin, Eγ, Iγ using Ge detectors of LIBERACE array, (particle)γ-coin; deduced σ(234U(n, f))/σ(236U(n, f)) ratio vs neutron energy using (p, dF) surrogate. 235,237U deduced levels, J, π, γ transitions.
doi: 10.1088/1742-6596/381/1/012064
2012RO14 Phys.Rev. C 85, 051304 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler, N.D.Scielzo, I.J.Thompson Measurement of the entry-spin distribution imparted to the high excitation continuum region of gadolinium nuclei via (p, d) and (p, t) reactions NUCLEAR REACTIONS 154,158Gd(p, d), (p, t), E=25 MeV; measured particle and γ spectra, pγ-, dγ-, tγ-coin, σ(θ) using STARS-LIBERACE array; deduced entry spin distribution for the highly excited quasicontinuum in light-ion transfer reactions. DWBA analysis of σ(θ) data. 153,156Gd; deduced levels, J, π, l-transfer.
doi: 10.1103/PhysRevC.85.051304
2012RO42 Phys.Rev. C 86, 067301 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, N.D.Scielzo, J.T.Burke, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler Spectroscopy of 88Y by the (p, dγ) reaction NUCLEAR REACTIONS 89Y(p, d), E=25 MeV; measured E(d), I(d), Eγ, Iγ, dγ-coin, yields using STARS array for deuterons and LIBERACE array for γ rays at LBNL cyclotron facility. 88Y; deduced levels, branching ratios. 89Y(p, p'), (p, p'n), E=25 MeV; measured Ep, Ip, pγ-coin.
doi: 10.1103/PhysRevC.86.067301
2011BU11 J.Korean Phys.Soc. 59, 1892s (2011) J.T.Burke, J.J.Ressler, J.E.Escher, N.D.Scielzo, I.J.Thompson, R.Henderson, J.Gostic, L.Bernstein, D.Bluel, M.Weideking, V.Meot, O.Roig, L.W.Phair, R.Hatarik, J.Munson, C.Angell, B.Goldblum, C.W.Beausang, T.Ross, R.Hughes, M.Aiche, G.Barreau, N.Cappelan, S.Czajkowski, B.Hass, B.Jurado, L.Mathieu, I.Companis Experimental Approaches to Studying the Fission Process Using the Surrogate Reaction Technique NUCLEAR REACTIONS 235,236U, 239Pu(α, α'), E=55 MeV; measured E(charged particle), I(charged particle), Eγ, Iγ(θ), γγ-coin, fission products using STARS (Silicon Telescope Array for Reaction Studies), LIBERACE, HYDRA; deduced σ 238Pu(n, F) below 20 MeV using surrogate reactions. Comparison with other data.
doi: 10.3938/jkps.59.1892
2011RE09 Phys.Rev. C 83, 054610 (2011) J.J.Ressler, J.T.Burke, J.E.Escher, C.T.Angell, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, R.J.Casperson, B.L.Goldblum, J.Gostic, R.Hatarik, R.Henderson, R.O.Hughes, J.Munson, L.W.Phair, T.J.Ross, N.D.Scielzo, E.Swanberg, I.J.Thompson, M.Wiedeking Surrogate measurement of the 238Pu(n, f) cross section NUCLEAR REACTIONS 239Pu(α, α'F), 235U(α, α'F), 236U(α, α'F), E=20-55 MeV; measured particle and fission fragment spectra, α-fission coincidences, cross sections, fission fragment anisotropy ratios. 238Pu, 234,235U(n, F), E=5-20 MeV; deduced fission cross sections using surrogate ratio method. Comparison with previous experimental data and evaluated libraries. Data needs for following reactions for next-generation reactors: 241Pu, 241,242Am, 243,244,245Cm(n, F), E.1 MeV. Potential surrogate and ratio reactions listed.
doi: 10.1103/PhysRevC.83.054610
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