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NSR database version of April 25, 2024.

Search: Author = L.W.Phair

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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
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2016BE24      Phys.Rev. C 94, 034303 (2016)

N.Benczer-Koller, G.J.Kumbartzki, K.-H.Speidel, D.A.Torres, S.J.Q.Robinson, Y.Y.Sharon, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, A.Wiens

Magnetic moment and lifetime measurements of Coulomb-excited states in ¹⁰⁶Cd

NUCLEAR REACTIONS ¹²C(¹⁰⁶Cd, ¹⁰⁶Cd'), E=410 MeV; measured particle spectra using Si surface-barrier detector, Eγ, Iγ, (particle)γ-coin using four clover HPGe detectors, g factors by the transient-field technique, level half-lives by DSAM at LBNL cyclotron facility. Coulomb excitation. ¹⁰⁶Cd; deduced levels, J, B(E2). Comparison with large-scale shell-model, and collective model calculations.

doi: 10.1103/PhysRevC.94.034303
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016KU05      Phys.Rev. C 93, 044316 (2016)

G.J.Kumbartzki, N.Benczer-Koller, K.-H.Speidel, D.A.Torres, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, G.Gurdal, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, S.J.Q.Robinson, Y.Y.Sharon, A.Wiens

Z = 50 core stability in ¹¹⁰Sn from magnetic-moment and lifetime measurements

NUCLEAR REACTIONS ¹²C(¹⁰⁶Cd, ⁸Be)¹¹⁰Sn, ¹²C(¹⁰⁶Cd, ¹²C)¹⁰⁶Cd, E=390, 400, 410 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin, γγ(θ), level half-lives using DSAM and lineshape analysis, g factors using transient field technique at LBNL 88-Inch Cyclotron facility, multi-layered target of carbon, gadolinium, tantalum and copper layers. ¹¹⁰Sn; deduced levels, J, π, B(E2), magnetic moments, configurations, no evidence for excitation of protons from the closed Z=50 core. Comparison with previous experimental results, and with shell model calculations. Systematics of B(E2) values for the first 2+ states in A=104-130, even-even Sn nuclei.

NUCLEAR MOMENTS ¹¹⁰Sn; measured g factors using transient field technique in ¹²C(¹⁰⁶Cd, ⁸Be) reaction at 410 MeV, and using a multi-layered target; deduced magnetic moments. Comparison with shell model calculations. Systematics of g factors for the first 2+ states in A=104-130, even-even Sn nuclei.

doi: 10.1103/PhysRevC.93.044316
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2138. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2067. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14316.

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
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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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14292.

2005CL07      Phys.Rev. C 72, 054605 (2005)

R.M.Clark, L.W.Phair, M.Descovich, M.Cromaz, M.A.Deleplanque, P.Fallon, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, S.Sinha, F.S.Stephens, D.Ward, M.Wiedeking, L.A.Bernstein, J.T.Burke, J.A.Church

Population of nuclei via ⁷Li-induced binary reactions

NUCLEAR REACTIONS ¹⁸⁴W(⁷Li, xn), (⁷Li, xnp), (⁷Li, xnα), E=35-70 MeV; calculated σ. ¹⁸⁴W(⁷Li, X)¹⁸⁴Os/¹⁸⁵Os/¹⁸⁶Os/¹⁸⁸Os/¹⁸⁴Ir/¹⁸⁵Ir/¹⁸⁶Ir/¹⁸³Re/¹⁸⁵Re, E=40-70 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, particle yield ratios. ¹⁶⁰Gd(⁷Li, xnp), E=35-65 MeV; analyzed σ. Liberace, Stars arrays.

doi: 10.1103/PhysRevC.72.054605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1404.

2004HE08      Nucl.Phys. A734, 549 (2004)

J.Helgesson, R.Ghetti, L.G.Moretto, D.E.Breus, J.B.Elliot, L.W.Phair, G.J.Wozniak

Finite Size Scalings and the Nuclear Liquid-Gas Phase Transition

doi: 10.1016/j.nuclphysa.2004.01.102
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2001JI05      Phys.Lett. 518B, 221 (2001)

K.X.Jing, L.W.Phair, L.G.Moretto, Th.Rubehn, L.Beaulieu, T.S.Fan, G.J.Wozniak

Fission Transient Times from Fission Probabilities of Neighboring Isotopes

NUCLEAR REACTIONS ^{182,183,184,186}W(³He, F), (α, F), E ≈ 30-140 MeV; measured fission excitation functions. ^{185,186,187,188,189}Os deduced compound nucleus fission transient times.

doi: 10.1016/S0370-2693(01)00977-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2513.