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NSR database version of April 26, 2024.

Search: Author = J.A.Church

Found 31 matches.

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2024GO01      Phys.Rev. C 109, 014625 (2024)

J.J.Goodell, J.A.Church, C.C.Keith, N.K.Harward, B.Pierson, S.Tumey, C.Dorais, B.B.Bandong

Determining the 9Be(n, γ)10Be integral cross section at fission neutron energies

doi: 10.1103/PhysRevC.109.014625
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2021HO14      Phys.Rev. C 104, 024610 (2021)

C.J.Horsfield, M.S.Rubery, J.M.Mack, H.W.Herrmann, Y.Kim, C.S.Young, S.E.Caldwell, S.C.Evans, T.S.Sedillo, A.M.McEvoy, N.M.Hoffman, M.A.Huff, J.R.Langenbrunner, G.M.Hale, D.C.Wilson, W.Stoeffl, J.A.Church, E.M.Grafil, E.K.Miller, V.Y.Glebov

First spectral measurement of deuterium-tritium fusion γ rays in inertial fusion experiments

NUCLEAR REACTIONS 3H(d, γ)5He*, E not given; measured fusion Eγ, Iγ from deuterium-tritium (DT) inertial confinement fusion (ICF) implosions with Omega laser, branching ratio of γ rays from transitions to an intermediate excited state and the ground state using R-matrix analysis.

doi: 10.1103/PhysRevC.104.024610
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2016HU14      Nat.Phys. 12, 800 (2016)

O.A.Hurricane, D.A.Callahan, D.T.Casey, E.L.Dewald, T.R.Dittrich, T.Doppner, S.Haan, D.E.Hinkel, L.F.Berzak Hopkins, O.Jones, A.L.Kritcher, S.Le Pape, T.Ma, A.G.MacPhee, J.L.Milovich, J.Moody, A.Pak, H.-S.Park, P.K.Patel, J.E.Ralph, H.F.Robey, J.S.Ross, J.D.Salmonson, B.K.Spears, P.T.Springer, R.Tommasini, F.Albert, L.R.Benedetti, R.Bionta, E.Bond, D.K.Bradley, J.Caggiano, P.M.Celliers, C.Cerjan, J.A.Church, R.Dylla-Spears, D.Edgell, M.J.Edwards, D.Fittinghoff, M.A.Barrios Garcia, A.Hamza, R.Hatarik, H.Herrmann, M.Hohenberger, D.Hoover, J.L.Kline, G.Kyrala, B.Kozioziemski, G.Grim, J.E.Field, J.Frenje, N.Izumi, M.Gatu-Johnson, S.F.Khan, J.Knauer, T.Kohut, O.Landen, F.Merrill, P.Michel, A.Moore, S.R.Nagel, A.Nikroo, T.Parham, R.R.Rygg, D.Sayre, M.Schneider, D.Shaughnessy, D.Strozzi, R.P.J.Town, D.Turnbull, P.Volegov, A.Wan, K.Widmann, C.Wilde, C.Yeamans

Inertially confined fusion plasmas dominated by alpha-particle self-heating

doi: 10.1038/nphys3720
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2012KI10      Phys.Rev. C 85, 061601 (2012)

Y.Kim, J.M.Mack, H.W.Herrmann, C.S.Young, G.M.Hale, S.Caldwell, N.M.Hoffman, S.C.Evans, T.J.Sedillo, A.McEvoy, J.Langenbrunner, H.H.Hsu, M.A.Huff, S.Batha, C.J.Horsfield, M.S.Rubery, W.J.Garbett, W.Stoeffl, E.Grafil, L.Bernstein, J.A.Church, D.B.Sayre, M.J.Rosenberg, C.Waugh, H.G.Rinderknecht, M.G.Johnson, A.B.Zylstra, J.A.Frenje, D.T.Casey, R.D.Petrasso, E.K.Miller, V.Yu.Glebov, C.Stoeckl, T.C.Sangster

Determination of the deuterium-tritium branching ratio based on inertial confinement fusion implosions

NUCLEAR REACTIONS 3H(d, γ)5He, 3H(d, n)4He, E(cm)=14-24 keV; measured absolute neutron and γ-ray yields in inertial confinement fusion (ICF) conditions; deduced branching ratio of γ-to-neutron in d+t reaction. Measurement of γ-to-proton branching ratio in 3He(d, γ)5Li and 3He(d, p)4He reactions used for cross calibration. Comparison with previous studies.

doi: 10.1103/PhysRevC.85.061601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1937.


2006BU06      Phys.Rev. C 73, 054604 (2006)

J.T.Burke, L.A.Bernstein, J.Escher, L.Ahle, J.A.Church, F.S.Dietrich, K.J.Moody, E.B.Norman, L.Phair, P.Fallon, R.M.Clark, M.A.Deleplanque, M.Descovich, M.Cromaz, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, F.S.Stephens, H.Ai, C.Plettner, C.Beausang, B.Crider

Deducing the 237U(n, f) cross section using the surrogate ratio method

NUCLEAR REACTIONS 236,238U(α, α'F), E=55 MeV; measured Eα, fission fragment spectra; deduced relative fission yields. 237U(n, F), E=0-20 MeV; deduced fission σ. Surrogate ratio method.

doi: 10.1103/PhysRevC.73.054604
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14094.


2006GA31      Phys.Rev. C 74, 034322 (2006)

A.Gade, B.A.Brown, D.Bazin, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, M.Horoi, Z.Hu, K.W.Kemper, W.F.Mueller, T.Otsuka, L.A.Riley, B.T.Roeder, T.Suzuki, J.R.Terry, K.L.Yurkewicz, H.Zwahlen

Evolution of the E(1/2+1) - E(3/2+1) energy spacing in odd-mass K, Cl, and P isotopes for N = 20-28

NUCLEAR REACTIONS H, C(46Ar, X)43Cl/45Cl, E=76.4 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 45Cl deduced level energy.

NUCLEAR STRUCTURE 35,37,39,41,43P, 37,39,41,43,45Cl, 39,41,43,45,47K; analyzed level energies, splitting.

doi: 10.1103/PhysRevC.74.034322
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2006MU04      Phys.Rev. C 73, 014316 (2006)

W.F.Mueller, M.P.Carpenter, J.A.Church, D.C.Dinca, A.Gade, T.Glasmacher, D.T.Henderson, Z.Hu, R.V.F.Janssens, A.F.Lisetskiy, C.J.Lister, E.F.Moore, T.O.Pennington, B.C.Perry, I.Wiedenhover, K.L.Yurkewicz, V.G.Zelevinsky, H.Zwahlen

Variation with mass of B(E3;0+1 → 3-1) transition rates in A = 124-134 even-mass xenon nuclei

NUCLEAR REACTIONS 58Ni(124Xe, 124Xe'), (126Xe, 126Xe'), (128Xe, 128Xe'), (130Xe, 130Xe'), (132Xe, 132Xe'), (134Xe, 134Xe'), E ≈ 550-580 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 124,126,128,130,132,134Xe deduced levels, J, π, B(E2), B(E3).

doi: 10.1103/PhysRevC.73.014316
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2006TE04      Phys.Lett. B 640, 86 (2006)

J.R.Terry, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, J.M.Cook, A.D.Davies, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, J.L.Lecouey, T.Otsuka, B.Pritychenko, B.M.Sherrill, J.A.Tostevin, Y.Utsuno, K.Yoneda, H.Zwahlen

Direct evidence for the onset of intruder configurations in neutron-rich Ne isotopes

NUCLEAR REACTIONS 9Be(26Ne, X)25Ne, E=83 MeV/nucleon; 9Be(28Ne, X)27Ne, E=80 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin, longitudinal momentum distributions. 25,27Ne deduced levels, J, π. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2006.06.061
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2005CH53      Nucl.Phys. A758, 126c (2005)

J.A.Church, L.Ahle, L.A.Bernstein, J.Cooper, F.S.Dietrich, J.Escher, C.Forssen, H.Ai, H.Amro, M.Babilon, C.Beausang, J.Caggiano, A.Heinz, R.Hughes, E.McCutchan, D.Meyer, C.Plettner, J.Ressler, V.Zamfir

Determining neutron capture cross sections with the Surrogate Reaction Technique: Measuring decay probabilities with STARS

NUCLEAR REACTIONS 92Zr(α, α'), (α, 3HeX), (α, tX), (α, dX), (α, pX), E=51 MeV; measured particle spectra. 92Zr(α, α'), (α, xnα), E=51 MeV; measured Eγ, Iγ, αγ-coin. 90,91,92Zr deduced transitions. Surrogate reaction technique.

doi: 10.1016/j.nuclphysa.2005.05.169
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2005CH66      Phys.Rev. C 72, 054320 (2005)

J.A.Church, C.M.Campbell, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, Z.Hu, R.V.F.Janssens, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, K.L.Yurkewicz

Measurement of E2 transition strengths in 32, 34Mg

NUCLEAR REACTIONS 209Bi(26Mg, 26Mg'), E=78.6 MeV/nucleon; 197Au(32Mg, 32Mg'), E=81.1 MeV/nucleon; 209Bi(34Mg, 34Mg'), E=76.4 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 26,32,34Mg deduced transitions B(E2), deformation parameters. Comparison with previous work, model predictions.

doi: 10.1103/PhysRevC.72.054320
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Data from this article have been entered in the XUNDL database. For more information, click here.


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.


2005ES07      Nucl.Phys. A758, 86c (2005)

J.Escher, L.Ahle, L.Bernstein, J.A.Church, F.Dietrich, C.Forssen, R.Hoffman

Surrogate Nuclear Reactions and the origin of the heavy elements

doi: 10.1016/j.nuclphysa.2005.05.167
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2005ES08      J.Phys.(London) G31, S1687 (2005)

J.Escher, L.Ahle, L.Bernstein, J.Burke, J.A.Church, F.Dietrich, C.Forssen, V.Gueorguiev, R.Hoffman

Surrogate nuclear reactions: an indirect method for determining reaction cross sections

doi: 10.1088/0954-3899/31/10/054
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2005FO11      Nucl.Phys. A758, 130c (2005)

C.Forssen, L.Ahle, L.A.Bernstein, J.A.Church, F.S.Dietrich, J.Escher, R.D.Hoffman

Theoretical challenges of determining low-energy neutron-capture cross sections via the Surrogate Technique

doi: 10.1016/j.nuclphysa.2005.05.026
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2005GA15      Acta Phys.Pol. B36, 1227 (2005)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

Nuclear spectroscopy with fast exotic beams

NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), (54Ni, 54Ni'), (56Ni, 56Ni'), (58Ni, 58Ni'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe, 54,56,58Ni transitions deduced B(E2). 9Be(32S, 31SX), (33Cl, 32ClX), (34Ar, 33ArX), E not given; measured one-neutron removal σ.


2005GA18      Phys.Rev. C 71, 051301 (2005)

A.Gade, D.Bazin, C.A.Bertulani, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

Knockout from 46Ar:l=3 neutron removal and deviations from eikonal theory

NUCLEAR REACTIONS 9Be(46Ar, 45ArX), E=70 MeV/nucleon; measured Eγ, Iγ, fragments parallel momentum distributions following one-neutron removal; deduced dissipative effects. 45Ar levels deduced branching ratios, spectroscopic factors. Comparison with eikonal theory.

doi: 10.1103/PhysRevC.71.051301
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2005GA54      Eur.Phys.J. A 25, Supplement 1, 251 (2005)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

Spectroscopic factors in exotic nuclei from nucleon-knockout reactions

NUCLEAR REACTIONS 9Be(32S, 31SX), (33Cl, 32ClX), (32Ar, 31ArX), (34Ar, 33ArX), E≈ 65 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, particle momentum distributions; deduced one-neutron removal σ. 31S, 32Cl, 31,33Ar levels deduced spectroscopic factors. Comparison with shell model predictions.

doi: 10.1140/epjad/i2005-06-177-x
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2005PL03      Phys.Rev. C 71, 051602 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Estimation of (n, f) cross sections by measuring reaction probability ratios

NUCLEAR REACTIONS 236,238U(d, pF), (d, d'F), E=24, 32 MeV; measured fission probability ratios. Comparison with results from neutron-induced reactions.

doi: 10.1103/PhysRevC.71.051602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1275.


2005PL05      J.Phys.(London) G31, S1573 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei

NUCLEAR REACTIONS 236,238U(d, d'F), (d, pF), E=24, 32 MeV; measured fragment yields; deduced fission probability ratios vs excitation energy. Surrogate method for neutron-induced fission cross-section determination.

doi: 10.1088/0954-3899/31/10/035
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2005RI11      Phys.Rev. C 72, 024311 (2005)

L.A.Riley, M.A.Abdelqader, D.Bazin, M.J.Bojazi, B.A.Brown, C.M.Campbell, J.A.Church, P.D.Cottle, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, M.Honma, S.Horibe, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, T.Otsuka, B.C.Perry, B.T.Roeder, B.M.Sherrill, T.P.Spencer, J.R.Terry

Thick-target inverse-kinematics proton scattering from 46Ar and the N = 28 shell below 48Ca

NUCLEAR REACTIONS 1H, C(46Ar, 46Ar'), E ≈ 68 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 46Ar deduced levels, J, π, B(E2), deformation lengths. Optical model analysis.

NUCLEAR STRUCTURE 46Ar, 48Ca, 50Ti, 52Cr, 54Fe; calculated B(E2), ratio of neutron-to-proton transition matrix elements.

doi: 10.1103/PhysRevC.72.024311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1494. Data from this article have been entered in the XUNDL database. For more information, click here.


2004BB03      Nucl.Phys. A746, 173c (2004)

D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, W.F.Mueller, H.Olliver, B.C.Perry, B.M.Sherrill, J.R.Terry, J.A.Tostevin

Two-proton knockout on neutron-rich nuclei

NUCLEAR REACTIONS 9Be(34Si, 32MgX), E=67.1 MeV/nucleon; 9Be(30Mg, 28NeX), E=88.5 MeV/nucleon; 9Be(28Mg, 26NeX), E=82.3 MeV/nucleon; measured Eγ, Iγ, fragments parallel momentum distributions, σ(E); deduced reaction mechanism features. 26Ne, 32Mg deduced levels, J, π.

doi: 10.1016/j.nuclphysa.2004.09.031
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1526.


2004GA15      Phys.Rev. C 69, 034311 (2004)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

One-neutron knockout reactions on proton-rich nuclei with N = 16

NUCLEAR REACTIONS 9Be(32S, 31SX), (34Ar, 33ArX), (33Cl, 32ClX), E ≈ 65 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, particle momentum distributions; deduced one-neutron removal σ. 31S, 33Ar, 32Cl levels deduced spectroscopic factors. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.69.034311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2228. Data from this article have been entered in the XUNDL database. For more information, click here.


2004GA33      Phys.Rev.Lett. 93, 042501 (2004)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

Reduced Occupancy of the Deeply Bound 0d5/2 Neutron State in 32Ar

NUCLEAR REACTIONS 9Be(32Ar, 31ArX), E=65.1 MeV/nucleon; measured σ, longitudinal momentum distribution; deduced spectroscopic factor. 32Ar deduced occupancy of deeply-bound neutron state. Role of large neutron separation energy discussed.

doi: 10.1103/PhysRevLett.93.042501
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2004MU09      Nucl.Phys. A734, 418 (2004)

W.F.Mueller, D.Bazin, C.M.Campbell, J.A.Church, D.C.Dinca, A.Gade, T.Glasmacher, P.G.Hansen, K.L.Yurkewicz, H.Olliver, B.M.Sherrill, J.R.Terry

In-beam γ-ray spectroscopy of fast beams at the NSCL

NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), E=70 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe deduced transition. 9Be(28Mg, 26NeX), E=88.3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced reaction mechanism features.

doi: 10.1016/j.nuclphysa.2004.01.077
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2004YU07      Phys.Rev. C 70, 034301 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

Intermediate-energy Coulomb excitation of 52Fe

NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), E=56.9 MeV/nucleon; measured σ(θ), Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe transition deduced B(E2). Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.70.034301
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2004YU10      Phys.Rev. C 70, 054319 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

Nuclear structure in the vicinity of N=Z=28 56Ni

NUCLEAR REACTIONS 197Au(58Ni, 58Ni'), E=77.8 MeV/nucleon; 197Au(56Ni, 56Ni'), E=85.8 MeV/nucleon; 197Au(54Ni, 54Ni'), E=70.3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 54,56,58Ni levels deduced excitation B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.70.054319
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Data from this article have been entered in the XUNDL database. For more information, click here.


2004YU11      Phys.Rev. C 70, 064321 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

E2 excitation strength in 55Ni: Coupling of the 56Ni 2+1 collective core vibration to the f7/2 odd neutron hole

NUCLEAR REACTIONS 197Au(55Ni, 55Ni'), E=84.8 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 55Ni deduced level, transition B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064321
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2003BA52      Phys.Rev.Lett. 91, 012501 (2003)

D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, W.F.Mueller, H.Olliver, B.C.Perry, B.M.Sherrill, J.R.Terry, J.A.Tostevin

New Direct Reaction: Two-Proton Knockout from Neutron-Rich Nuclei

NUCLEAR REACTIONS 9Be(28Mg, 26Ne), E=82 MeV/nucleon; 9Be(30Mg, 28Ne), E=82 MeV/nucleon; 9Be(34Si, 32Mg), E=67 MeV/nucleon; measured Eγ, Iγ, particle parallel-momentum distributions; 28Mg(9Be, X)26Ne, 30Mg(9Be, X)28Ne, 34Si(9Be, X)32Mg; deduced direct mechanism for two-proton knockout. Comparison with model predictions.

doi: 10.1103/PhysRevLett.91.012501
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2003GA20      Phys.Rev. C 68, 014302 (2003)

A.Gade, D.Bazin, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry

Detailed experimental study on intermediate-energy Coulomb excitation of 46Ar

NUCLEAR REACTIONS 197Au(46Ar, 46Ar'), E=76.4 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 46Ar levels deduced excitation B(E2). Highly-segmented Ge detectors, high-resolution spectrograph.

doi: 10.1103/PhysRevC.68.014302
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2002CO09      Phys.Rev.Lett. 88, 172502 (2002)

P.D.Cottle, Z.Hu, B.V.Pritychenko, J.A.Church, M.Fauerbach, T.Glasmacher, R.W.Ibbotson, K.W.Kemper, L.A.Riley, H.Scheit, M.Steiner

0gs+ → 21+ Excitations in the Mirror Nuclei 32Ar and 32Si

NUCLEAR REACTIONS 197Au(32Ar, 32Ar'), (30S, 30S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 1H(32S, p), E=42 MeV/nucleon; measured elastic and inelastic σ(θ). 30,32S, 32Ar deduced excitation B(E2). 32S deduced ratio of neutron and proton matrix elements.

doi: 10.1103/PhysRevLett.88.172502
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2001CO20      Phys.Rev. C64, 057304 (2001)

P.D.Cottle, B.V.Pritychenko, J.A.Church, M.Fauerbach, T.Glasmacher, R.W.Ibbotson, K.W.Kemper, H.Scheit, M.Steiner

B(E2;0g.s+ → 21+) in 26Si and Mirror Symmetry in the A = 26 System

NUCLEAR REACTIONS 197Au(26Si, 26Si'), (24Mg, 24Mg'), E=54.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 26Si, 24Mg deduced excitation B(E2). 26Mg deduced transition matrix element.

doi: 10.1103/PhysRevC.64.057304
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