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NSR database version of May 20, 2024.

Search: Author = J.Snyder

Found 27 matches.

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2020SN01      Sci. Rep. 10, 18245 (2020)

J.Snyder, J.Morrison, S.Feister, K.Frische, K.George, M.Le, C.Orban, G.Ngirmang, E.Chowdhury, W.Roquemore

Background pressure effects on MeV protons accelerated via relativistically intense laser-plasma interactions

doi: 10.1038/s41598-020-75061-1
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2015JO05      Phys.Rev. C 91, 044312 (2015)

M.D.Jones, Z.Kohley, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, R.A.Haring-Kaye, A.N.Kuchera, B.Luther, S.Mosby, J.K.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen

Further insights into the reaction 14Be(CH2, X)10He

NUCLEAR REACTIONS 2H(14Be, 10He), (14Be, 12He), E=59 MeV/nucleon, [14Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator]; measured particle spectra by ΔE-E detectors and neutron spectra by MONA array at NSCL-MSU facility; analyzed decay energy spectra and multiplicity distributions for 8He+n, 8He+2n 8He+4n, and 8He+2n with α removal. 10He; deduced resonance, no evidence for initial state effects based on the halo structure of the initial 14Be assuming a direct α-particle removal reaction. 12He; deduced no evidence for the existence of a low-lying (≤1 MeV) resonance in 12He.

doi: 10.1103/PhysRevC.91.044312
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015RO16      Phys.Rev. C 92, 034316 (2015)

W.F.Rogers, S.Garrett, A.Grovom, R.E.Anthony, A.Aulie, A.Barker, T.Baumann, J.J.Brett, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, A.Hamann, R.A.Haring-Kaye, J.Hinnefeld, A.R.Howe, N.T.Islam, M.D.Jones, A.N.Kuchera, J.Kwiatkowski, E.M.Lunderberg, B.Luther, D.A.Meyer, S.Mosby, A.Palmisano, R.Parkhurst, A.Peters, J.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Strongman, B.Sutherland, N.E.Taylor, M.Thoennessen

Unbound excited states of the N=16 closed shell nucleus 24O

NUCLEAR REACTIONS 9Be(26F, 24O), E=76 MeV/nucleon, [secondary 26F beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured charged-particle spectra, E(n), I(n), (23O)n-coin using MONA-LISA array at NSCL-MSU. 24O; deduced decay energy spectrum, levels, J, π, difference between the first 2+ and 1+ states. Comparison with previous experimental results and theoretical calculations.

doi: 10.1103/PhysRevC.92.034316
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2014RE12      Phys.Rev. C 90, 044318 (2014)

W.Reviol, R.V.F.Janssens, S.Frauendorf, D.G.Sarantites, M.P.Carpenter, X.Chen, C.J.Chiara, D.J.Hartley, K.Hauschild, T.Lauritsen, A.Lopez-Martens, M.Montero, O.L.Pechenaya, D.Seweryniak, J.B.Snyder, S.Zhu

Characterization of octupole-type structures in 221Th

NUCLEAR REACTIONS 207Pb(18O, 4n), E=96 MeV; measured Eγ, Iγ, γγ-, (evaporation residues)γ-coin, γ(θ) using Gammasphere and HERCULES detector arrays at ATLAS-ANL facility. 221Th; deduced high-spin levels, J, π, multipolarity, mixing ratio, bands, alternating-parity sequences and multiple octupole structures, B(E1)/B(E2) and B(M1)/B(E2) ratios, alignment plots. Systematics of octupole structures, parity splitting, and other properties in 218,219,220,221,222Ra, 219,220,221,222,223,224Th.

doi: 10.1103/PhysRevC.90.044318
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2014SM03      Phys.Rev. C 90, 024309 (2014)

J.K.Smith, T.Baumann, D.Bazin, J.Brown, S.Casarotto, P.A.DeYoung, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, B.Luther, B.Marks, N.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen, N.Viscariello, S.J.Williams

Low-lying neutron unbound states in 12Be

NUCLEAR REACTIONS 9Be(13B, 12Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction; measured particle and neutron spectra, (12Be)n-, (11Be)2n-coin using A1900 fragment separator and MoNA-LISA array for neutron and fragment detection at NSCL-MSU facility. 12Be; deduced decay energy, level energy, resonance, L-value, J, π, width, one-neutron decay, no evidence for the 2n-decay channel to 10Be. Comparison with previous experimental results, and with continuum shell model calculation.

doi: 10.1103/PhysRevC.90.024309
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2013CH19      Phys.Rev. C 87, 044305 (2013)

X.Chen, D.G.Sarantites, W.Reviol, J.Snyder

Time-dependent Monte Carlo calculations of recoil-in-vacuum g-factor data for 122, 126, 130, 132Te

NUCLEAR MOMENTS 122,126,130,132Te; calculated charge-state distributions of atomic states, attenuation coefficients Gk versus g factor distributions for recoil-in vacuum (RIV) methods. Monte Carlo simulations based on time-dependent attenuation using GRASP2K computer for excited atomic states; deduced g factors of first 2+ states. Comparison of deduced g factors with previous experimental values, and with various nuclear-model calculations.

doi: 10.1103/PhysRevC.87.044305
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2013KO03      Phys.Rev. C 87, 011304 (2013)

Z.Kohley, E.Lunderberg, P.A.DeYoung, A.Volya, T.Baumann, D.Bazin, G.Christian, N.L.Cooper, N.Frank, A.Gade, C.Hall, J.Hinnefeld, B.Luther, S.Mosby, W.A.Peters, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

First observation of the 13Li ground state

NUCLEAR REACTIONS 9Be(14Be, 13Li), [14Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary beam], E=53.6 MeV/nucleon; measured 11Li fragment and neutron spectra, three-body (11Li+n+n), and two-body (11Li+n) decay energy spectra using Modular Neutron Array (MONA) for neutrons at NSCL facility. Monte Carlo and GEANT4 simulations. Glauber reaction model. 12,13Li; deduced levels, ground state resonance energies. Strong dineutron character for 13Li g.s. Comparison with previous studies.

doi: 10.1103/PhysRevC.87.011304
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2013KO10      Phys.Rev.Lett. 110, 152501 (2013)

Z.Kohley, T.Baumann, D.Bazin, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, E.Lunderberg, B.Luther, S.Mosby, T.Nagi, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

Study of Two-Neutron Radioactivity in the Decay of 26O

RADIOACTIVITY 26O(2n) [from 9Be(27F, p), E=82 MeV/nucleon]; measured decay products, En, In; deduced T1/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.110.152501
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2013KO28      Phys.Rev. C 88, 041601 (2013)

Z.Kohley, G.Christian, T.Baumann, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

Exploiting neutron-rich radioactive ion beams to constrain the symmetry energy

NUCLEAR REACTIONS 9Be(32Mg, X), [secondary 32Mg beam from Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=73 MeV/nucleon; measured neutron spectra by MoNA array and particle spectra by 4 Tm Sweeper magnet, (particle)n-coin at yield of fragments at NSCL, MSU facility; deduced average N/Z vs Z, multiplicity, velocity distribution, density dependence of the symmetry energy by comparison of the experimental data with the constrained molecular dynamics model (CoMD) constraints.

doi: 10.1103/PhysRevC.88.041601
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2013MO12      Nucl.Phys. A909, 69 (2013)

S.Mosby, N.S.Badger, T.Baumann, D.Bazin, M.Bennett, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, M.Gardner, J.D.Hinnefeld, E.A.Hook, E.M.Lunderberg, B.Luther, D.A.Meyer, M.Mosby, G.F.Peaslee, W.F.Rogers, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Search for 21C and constraints on 22C

NUCLEAR REACTIONS 9Be(22C, n21C), E=68 MeV/nucleon; measured En, In(\theta), E(20C fragment), I(20C fragment, \theta). 21,22C calculated double neutron halo nucleus low-lying levels, J, π, spectrometric factor using shell model, Goldhaber model with friction term. 21C deduced non-existence of bound state. 20C+n deduced scattering length.

doi: 10.1016/j.nuclphysa.2013.04.004
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2013SN01      Phys.Lett. B 723, 61 (2013)

J.B.Snyder, W.Reviol, D.G.Sarantites, A.V.Afanasjev, R.V.F.Janssens, H.Abusara, M.P.Carpenter, X.Chen, C.J.Chiara, J.P.Greene, T.Lauritsen, E.A.McCutchan, D.Seweryniak, S.Zhu

High-spin transition quadrupole moments in neutron-rich Mo and Ru nuclei: Testing γ softness?

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 102,104,106,108Mo, 108,110,112Ru; deduced energy levels, J, π, kinematic and dynamic moments of inertia, B(E2), transition quadrupole moments, potential energy surfaces. Comparison with available data.

doi: 10.1016/j.physletb.2013.04.046
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2013SN02      Phys.Rev. C 88, 031303 (2013)

J.Snyder, T.Baumann, G.Christian, R.A.Haring-Kaye, P.A.DeYoung, Z.Kohley, B.Luther, M.Mosby, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.Stephenson, M.Thoennessen

First observation of 15Be

NUCLEAR REACTIONS 2H(14Be, 15Be), E=59 MeV/nucleon, [secondary 14Be from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured 14Be, and neutron spectra from decay of 15Be, TOF, production σ, (14Be)n-coin using MoNA array at NSCL-MSU facility. Decay energy spectrum of 15Be fitted with energy-dependent Breit-Wigner distribution. 15Be; deduced level, J, π, neutron-unbound resonance, width. Shell-model calculations.

doi: 10.1103/PhysRevC.88.031303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2053. Data from this article have been entered in the XUNDL database. For more information, click here.


2013TH04      Acta Phys.Pol. B44, 543 (2013)

M.Thoennessen, Z.Kohley, A.Spyrou, E.Lunderberg, P.A.DeYoung, H.Attanayake, T.Baumann, D.Bazin, B.A.Brown, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.Strongman, A.Volya

Observation of Ground-state Two-neutron Decay

RADIOACTIVITY 16Be, 26O(2n); measured decay products, En, In; deduced decay energy spectra. Comparison with calculated two-neutron separation energies, T1/2, widths.

doi: 10.5506/APhysPolB.44.543
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2013TH07      Nucl.Instrum.Methods Phys.Res. A729, 207 (2013)

M.Thoennessen, G.Christian, Z.Kohley, T.Baumann, M.Jones, J.K.Smith, J.Snyder, A.Spyrou

Novel techniques to search for neutron radioactivity

RADIOACTIVITY 16B(2n); measured decay products, En, In; deduced new technique, T1/2 sensitivity. Decay in Target (DiT) and Decay in a Magnetic Field (DiMF) methods.

doi: 10.1016/j.nima.2013.07.035
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2012CH02      Phys.Rev.Lett. 108, 032501 (2012)

G.Christian, N.Frank, S.Ash, T.Baumann, D.Bazin, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, G.F.Grinyer, A.Grovom, J.D.Hinnefeld, E.M.Lunderberg, B.Luther, M.Mosby, S.Mosby, T.Nagi, G.F.Peaslee, W.F.Rogers, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen, M.Warren, D.Weisshaar, A.Wersal

Exploring the Low-Z Shore of the Island of Inversion at N=19

NUCLEAR REACTIONS Be(29Ne, X)28F/27F, E=62 MeV/nucleon; measured reaction products, TOF; deduced 28F ground state energy as resonance in the 27F+n continuum, binding energy. Comparison with USDA/USDB shell model predictions.

doi: 10.1103/PhysRevLett.108.032501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012CH12      Phys.Rev. C 85, 034327 (2012)

G.Christian, N.Frank, S.Ash, T.Baumann, P.A.DeYoung, J.E.Finck, A.Gade, G.F.Grinyer, B.Luther, M.Mosby, S.Mosby, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen, M.Warren, D.Weisshaar, A.Wersal

Spectroscopy of neutron-unbound 27, 28F

NUCLEAR REACTIONS 9Be(29Ne, X)27F/28F, [29Ne secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary beam], E=62 MeV/nucleon; measured particle spectra, energy loss, time-of-flight, (26F)n-, (27F)n-, (26F)nγ-coin, E(n), E(26,27F). MoNA array for neutrons, CAESAR array for γ rays. 28F; deduced ground-state as unbound resonance in 27F+n continuum, binding energy. 27F; deduced neutron-unbound level. Comparison with USDA/USDB shell model predictions.

doi: 10.1103/PhysRevC.85.034327
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2012KO43      Phys.Rev.Lett. 109, 232501 (2012)

Z.Kohley, J.Snyder, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, R.A.Haring-Kaye, M.Jones, E.Lunderberg, B.Luther, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.L.Stephenson, M.Thoennessen

Unresolved Question of the 10He Ground State Resonance

NUCLEAR REACTIONS C, 2H(14Be, 2n2p)10He, E=59 MeV/nucleon; measured reaction products, En, In; deduced ground state resonance parameters. Comparison with available data, 18O secondary beams.

doi: 10.1103/PhysRevLett.109.232501
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2012LU07      Phys.Rev.Lett. 108, 142503 (2012)

E.Lunderberg, P.A.DeYoung, Z.Kohley, H.Attanayake, T.Baumann, D.Bazin, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, A.Schiller, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Evidence for the Ground-State Resonance of 26O

RADIOACTIVITY 26O(2n) [from Be(27F, p)26O, E=82 MeV/nucleon];measured decay products, En, In. 26O; deduced decay energy spectrum, evidence for the ground state or resonance in neutron unbound nucleus, T1/2 limit. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.108.142503
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1923. Data from this article have been entered in the XUNDL database. For more information, click here.


2012SM08      Phys.Rev. C 86, 057302 (2012)

J.K.Smith, T.Baumann, B.A.Brown, G.Christian, J.E.Finck, C.R.Hoffman, Z.Kohley, S.Mosby, J.F.Novak, S.J.Quinn, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Neutron unbound states in 28Ne and 25F

NUCLEAR REACTIONS 9Be(29Na, 28Ne), (26F, 25F), [secondary 29Na and 26F beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=102 MeV/nucleon; measured charged fragment spectra by TOF and energy loss, neutron spectra using MONA array at NSCL facility, decay energy spectra for 28Ne and 25F reconstructed from the 27Ne+n and 24F+n systems. 25F, 28Ne; deduced unbound levels, J, π, spectroscopic factors, Breit-Wigner resonance. Glauber reaction model analysis. Comparison with shell model calculations.

NUCLEAR STRUCTURE 28Ne, 25F; calculated bound and unbound levels, J, π, spectroscopic factors for 27Ne+n system, widths. Shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.057302
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2012SP01      Phys.Rev.Lett. 108, 102501 (2012)

A.Spyrou, Z.Kohley, T.Baumann, D.Bazin, B.A.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, E.Lunderberg, S.Mosby, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.J.Strongman, M.Thoennessen, A.Volya

First Observation of Ground State Dineutron Decay: 16Be

RADIOACTIVITY 16Be(2n) [from Be(17B, p), E=53 MeV/nucleon]; measured decay products, En, In; deduced two-neutron separation energy.

doi: 10.1103/PhysRevLett.108.102501
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2011HO05      Phys.Rev. C 83, 031303 (2011)

C.R.Hoffman, T.Baumann, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, J.D.Hinnefeld, S.Mosby, W.A.Peters, W.F.Rogers, A.Schiller, J.Snyder, A.Spyrou, S.L.Tabor, M.Thoennessen

Observation of a two-neutron cascade from a resonance in 24O

NUCLEAR REACTIONS 9Be(26F, nn), E=85 MeV/nucleon; measured neutron spectra using MoNA array, neutron resonance decay energy, neutron-neutron-fragment, neutron-fragment energies, TOF, 22O-nn coin. 24O; deduced level, two-neutron cascade from the resonance in 24O to 22O. 22,23O; deduced levels. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.83.031303
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2011RE04      Acta Phys.Pol. B42, 671 (2011)

W.Reviol, D.G.Sarantites, X.Chen, M.Montero, O.L.Pechenaya, J.Snyder, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, K.Hauschild, A.Lopez-Martens, D.J.Hartley, S.Frauendorf

Tidal Waves and Onset of Collectivity above N = 126

NUCLEAR REACTIONS 198Pt(26Mg, X)219Th/220Th, E=128 MeV; 207Pb(18O, X)218Ra/221Th, E=96 MeV; measured reaction products, Eγ, Iγ, ER nucleus-γ-coin.; deduced level scheme, B(E1)/B(E2) ratios as a function of spin, tidal-wave concept.

doi: 10.5506/APhysPolB.42.671
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2009GI07      At.Data Nucl.Data Tables 95, 805 (2009)

J.Q.Ginepro, J.Snyder, M.Thoennessen

Discovery of the cerium isotopes

COMPILATION 121,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155Ce; compiled first identification (or discovery) of isotopes in Ce.

doi: 10.1016/j.adt.2009.06.002
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1977EH01      Phys.Lett. 71B, 455 (1977)

R.D.Ehrlich, B.Lovett, M.Mishina, P.A.Souder, J.Snyder, M.E.Zeller, D.M.Lazarus, I.Nakano

Measurements of Polarization in K-p Elastic Scattering at Low Energies

NUCLEAR REACTIONS 1H(K-, K-), E=650-1071 MeV/c; measured polarization.

doi: 10.1016/0370-2693(77)90266-0
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1965SN01      Phys.Rev. 138, B770 (1965)

J.W.Snyder, M.L.Pool

Radioactive Decay of Sn111

NUCLEAR STRUCTURE 111Sn; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.138.B770
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1959BR71      Proc.Roy.Soc.(London) 251, 143 (1959)

D.J.Bredin, W.E.Burcham, D.Evans, W.M.Gibson, M.S.C.McKee, D.J.Prowse, J.Rotblat, J.N.Snyder

The Scattering of Alpha Particles by Helium

doi: 10.1098/rspa.1959.0098
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1958NI05      Phys.Rev. 109, 850 (1958)

R.Nilson, W.K.Jentschke, G.R.Briggs, R.O.Kerman, J.N.Snyder

Investigation of Excited States in Be8 by Alpha-Particle Scattering from He

doi: 10.1103/PhysRev.109.850
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Note: The following list of authors and aliases matches the search parameter J.Snyder: , J.B.SNYDER, J.N.SNYDER, J.W.SNYDER