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NSR database version of April 26, 2024.

Search: Author = M.Quinn

Found 14 matches.

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2012QU01      Phys.Rev. C 85, 035807 (2012)

M.Quinn, A.Aprahamian, J.Pereira, R.Surman, O.Arndt, T.Baumann, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, T.Ginter, M.Hausmann, S.Hennrich, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Portillo, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β decay of nuclei around ⁹⁰Se: Search for signatures of a N=56 subshell closure relevant to the r process

NUCLEAR REACTIONS ⁹Be(¹³⁶Xe, X)⁸⁶As/⁸⁷As/⁸⁸As/⁸⁸Se/⁸⁹Se/⁹⁰Se/⁹⁰Br/⁹¹Br/⁹²Br/⁹³Br/⁹¹Kr/⁹²Kr/⁹³Kr/⁹⁴Kr/⁹⁵Kr/⁹³Rb/⁹⁴Rb/⁹⁵Rb/⁹⁶Rb/⁹⁷Rb/⁹⁵Sr/⁹⁶Sr/⁹⁷Sr/⁹⁸Sr/⁹⁹Sr/⁹⁷Y/⁹⁸Y/⁹⁹Y/¹⁰⁰Y/¹⁰¹Y/¹⁰⁰Zr/¹⁰¹Zr/¹⁰²Zr/¹⁰³Zr, E=120 MeV/nucleon; measured fragment spectra by energy loss and time-of-flight, total kinetic energies (TKE) of ^97,98,99Sr fragments in 36⁺, 37⁺, 38⁺ charge states, half-lives by fragment-β correlations. Beta Counting System (BCS) at NSCL.

RADIOACTIVITY ^87,88As, ^88,89,90Se, ^90,91,92,93Br, ^93,94,95Kr, ^95,96,97Rb, ^96,97,98,99Sr, ^99,100,101Y(β^-)[from ⁹Be(¹³⁶Xe, X), E=120 MeV/nucleon]; measured Eβ, Eγ, (fragment)β correlations, half-lives. Beta Counting System (BCS) at NSCL and SEGA array. Maximum likelihood and least-squares analyses for half-lives. Comparison of measured half-lives with QRPA calculations used in r process, and with previous measurements. Role of g_9/2 proton and h_11/2 neutron intruders. No evidence of N=56 subshell closure in ⁹⁰Se. Relevance to r-process nuclei.

doi: 10.1103/PhysRevC.85.035807
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Data from this article have been entered in the XUNDL database. For more information, click here.

2011PE34      J.Phys.:Conf.Ser. 312, 042019 (2011)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β-decay measurements of A simeq 70 ≈ 110 r-process nuclei at the National Superconducting Cyclotron Laboratory

RADIOACTIVITY ^{106,107,108,109}Nb, ^{108,109,110,111}Mo(β^-); compiled T_1/2; calculated T_1/2, Solar system r-process abundances using new T_1/2.

doi: 10.1088/1742-6596/312/4/042019
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2009PE06      Phys.Rev. C 79, 035806 (2009)

J.Pereira, S.Hennrich, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, P.Moller, F.Montes, B.Pfeiffer, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, M.Quinn, W.B.Walters, A.Wohr

β-decay half-lives and β-delayed neutron emission probabilities of nuclei in the region A ≤ 110, relevant for the r process

RADIOACTIVITY ^{100,101,102,103,104,105}Y, ^{103,104,105,106,107}Zr, ^{106,107,108,109}Nb, ^{108,109,110,111}Mo, ^{109,110,111,112,113}Tc(β^-), (β^-n)[from ⁹Be(¹³⁶Xe, X), E=120 MeV/nucleon]; measured fragments, neutrons, β, (fragment)β-coin, half-lives; deduced delayed neutron-emission probabilities. Comparisons with quasiparticle random phase approximation (QRPA03 and QRPA06) calculations. Discussed relevance to r-process nuclei.

doi: 10.1103/PhysRevC.79.035806
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Data from this article have been entered in the XUNDL database. For more information, click here.

2008PE17      Nucl.Phys. A805, 470c (2008)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, L.Schnorrenberger, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, E.Smith, B.E.Tomlin, W.B.Walters, A.Wohr

β-decay studies of r-process nuclei at NSCL

doi: 10.1016/j.nuclphysa.2008.02.268
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2008SK06      Phys.Rev. C 78, 044603 (2008)

B.B.Skorodumov, G.V.Rogachev, A.Aprahamian, V.Z.Goldberg, J.J.Kolata, S.Almaraz, H.Amro, E.D.Johnson, L.O.Lamm, M.Quinn, A.Teymurazyan, A.Woehr

T = 3/2 states in ¹³C

NUCLEAR REACTIONS ¹H, C(¹¹B, ¹¹B), (¹²B, ¹²B), E=44.6 MeV; measured σ(θ). ¹³C; deduced levels, J, π, resonance widths. Comparisons with ¹³B, ¹³N, ¹³O, shell model calculations.

doi: 10.1103/PhysRevC.78.044603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1658. Data from this article have been entered in the XUNDL database. For more information, click here.

2007HO22      Phys.Rev. C 76, 044324 (2007)

N.Hoteling, W.B.Walters, B.E.Tomlin, P.F.Mantica, J.Pereira, A.Becerril, T.Fleckenstein, A.A.Hecht, G.Lorusso, M.Quinn, J.S.Pinter, J.B.Stoker

Onset of isomers in ^{125, 126, 127, 128}Cd and weakened neutron-neutron interaction strength

NUCLEAR REACTIONS Be(¹³⁶Xe, X), E=120 MeV/nucleon; measured Eγ, Iγ. ¹²⁵Cd, ¹²⁶Cd, ¹²⁷Cd, ¹²⁸Cd deduced levels, J, π, isomers, half-lives, band structure; ^{100,115,117,119,121,122,123,124}Cd; level systematics.

doi: 10.1103/PhysRevC.76.044324
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Data from this article have been entered in the XUNDL database. For more information, click here.

2007SK02      Phys.Rev. C 75, 024607 (2007)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, V.Z.Goldberg, A.Mukhamedzhanov, S.Almaraz, H.Amro, F.D.Becchetti, S.Brown, Y.Chen, H.Jiang, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Lowest excited states of ¹³O

NUCLEAR REACTIONS ¹H(¹²N, p), E(cm)=0.8-2.7 MeV; measured Ep, excitation functions for elastic scattering. ¹³O deduced resonance energies, J, π, widths. ¹²N(p, γ), E=low; calculated astrophysical reaction rates. R-matrix calculations.

doi: 10.1103/PhysRevC.75.024607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1571. Data from this article have been entered in the XUNDL database. For more information, click here.

2006BO08      Nucl.Phys. A768, 22 (2006)

P.Boutachkov, K.H.Maier, A.Aprahamian, G.V.Rogachev, L.O.Lamm, M.Quinn, B.B.Skorodumov, A.Wohr

Study of the low spin states of ²⁰⁸Bi through γ-γ spectroscopy

NUCLEAR REACTIONS ²⁰⁸Pb(p, n), E=9.0 MeV; measured Eγ, Iγ, γγ-coin. ²⁰⁸Bi deduced levels, J, π, transition multipolarities. Comparison with shell-model predictions.

doi: 10.1016/j.nuclphysa.2006.01.004
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Data from this article have been entered in the XUNDL database. For more information, click here.

2006SK09      Phys.Atomic Nuclei 69, 1979 (2006)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Investigation of the ¹⁹Na Nucleus via Resonance Elastic Scattering

NUCLEAR REACTIONS ¹H(¹⁸Ne, p), E=56 MeV; measured Ep, σ(θ), elastic scattering excitation function. ¹⁹Na deduced resonance energy, J, π. Astrophysical implications discussed.

doi: 10.1134/S1063778806120015
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1500.

2005BO36      Phys.Rev.Lett. 95, 132502 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Doppler Shift as a Tool for Studies of Isobaric Analog States of Neutron-Rich Nuclei: Application to ⁷He

NUCLEAR REACTIONS ¹H(⁶He, γ), E < 24 MeV; measured Eγ, Iγ; deduced IAS formation σ, σ(θ). ⁷Li deduced resonance parameters. Doppler-shift analysis technique.

doi: 10.1103/PhysRevLett.95.132502
Citations: PlumX Metrics

2005BO49      Eur.Phys.J. A 25, Supplement 1, 259 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Isobaric analog states of neutron-rich nuclei. Doppler shift as a measurement tool for resonance excitation functions

NUCLEAR REACTIONS ¹H(⁶He, n), E not given; measured Doppler-shifted Eγ, Iγ. ⁷Li deduced resonance features, IAS.

doi: 10.1140/epjad/i2005-06-014-4
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2005RO37      Nucl.Instrum.Methods Phys.Res. B241, 977 (2005)

G.V.Rogachev, A.A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Isobaric analog states as a tool for spectroscopy of exotic nuclei

NUCLEAR REACTIONS ¹H(⁸He, ⁸He), E not given; measured recoil proton spectrum; deduced excitation function. ¹H(⁶He, ⁶Li), E not given; measured neutron spectrum, nγ-coin; deduced excitation function. ^7,9Li deduced resonance parameters. ^7,9He deduced analog states features.

doi: 10.1016/j.nimb.2005.07.157
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2004RO20      Phys.Rev.Lett. 92, 232502 (2004)

G.V.Rogachev, P.Boutachkov, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, V.Z.Goldberg, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Analog States of ⁷He Observed via the ⁶He(p, n) Reaction

NUCLEAR REACTIONS ¹H(⁶He, n), E=24 MeV; measured En, Eγ, nγ-coin; deduced excitation function. ⁷Li deduced levels, J, π, analog states. ⁷He deduced IAR features.

doi: 10.1103/PhysRevLett.92.232502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1039.

2004RO42      Nucl.Phys. A746, 229c (2004)

G.V.Rogachev, A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Structure of exotic ⁷He and ⁹He

NUCLEAR REACTIONS ¹H(⁶He, n), E(cm) ≈ 1-3.3 MeV; ¹H(⁸He, ⁸He), E^* ≈ 15-20 MeV; measured σ(θ), excitation functions. ^7,9Li, ^7,9He deduced IAS features.

doi: 10.1016/j.nuclphysa.2004.09.036
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1039.