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NSR database version of April 26, 2024.

Search: Author = A.Nystrom

Found 8 matches.

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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 P_n). Comparison with previous experimental results.

doi: 10.1103/PhysRevC.101.024312
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14632. Data from this article have been entered in the XUNDL database. For more information, click here.

2020OR02      Nucl.Instrum.Methods Phys.Res. B463, 491 (2020)

R.Orford, J.A.Clark, G.Savard, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, J.W.Klimes, G.E.Morgan, A.Nystrom, W.S.Porter, D.Ray, K.S.Sharma

Improving the measurement sensitivity of the Canadian Penning Trap mass spectrometer through PI-ICR

ATOMIC MASSES ¹⁴²I, ¹⁴⁶La, ¹⁶³Gd; measured frequencies; deduced mass excesses.

doi: 10.1016/j.nimb.2019.04.016
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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 P_n). Comparison with earlier experimental results.

doi: 10.1103/PhysRevC.101.025806
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14685. Data from this article have been entered in the XUNDL database. For more information, click here.

2018OR02      Phys.Rev.Lett. 120, 262702 (2018)

R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, G.Savard, R.Surman, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, T.Y.Hirsh, J.W.Klimes, G.E.Morgan, A.Nystrom, K.S.Sharma

Precision Mass Measurements of Neutron-Rich Neodymium and Samarium Isotopes and Their Role in Understanding Rare-Earth Peak Formation

ATOMIC MASSES ^{154,156,158,159,160}Nd, ^162,163,164Sm; measured cyclotron frequency ratios; deduced mass excess values. Comparison with AME16 evaluation.

doi: 10.1103/PhysRevLett.120.262702
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2017ON01      Phys.Rev. C 95, 055806 (2017)

W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Low-lying level structure of ⁵⁶Cu and its implications for the rp process

NUCLEAR REACTIONS ²H(⁵⁶Ni, ⁵⁶Cu), E AP 75 MeV/nucleon, [secondary ⁵⁶Ni beam from ⁹Be(⁵⁸Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (⁵⁶Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. ⁵⁶Cu; deduced levels, J, π. Comparison with mirror nucleus ⁵⁶Co level scheme, and with shell-model calculations ⁵⁵Ni(p, γ)⁵⁶Cu, T₉=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around ⁵⁶Ni.

NUCLEAR STRUCTURE ⁵⁶Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γ_p, Γ_γ using shell model with the GXPF1A interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.055806
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016BA28      Eur.Phys.J. A 52, 126 (2016)

A.Battaglia, W.Tan, R.Avetisyan, C.Casarella, A.Gyurijinyan, K.V.Manukyan, S.T.Marley, A.Nystrom, N.Paul, K.Siegl, K.Smith, M.K.Smith, S.Y.Strauss, A.Aprahamian

Measurements of conversion electrons in the s-process branching point nucleus ¹⁷⁶Lu

NUCLEAR REACTIONS ¹⁷⁶Yb(p, n), E=7.75 MeV; measured Eγ, Iγ from ¹⁷⁶Lu using HPGe from GEORGINA array, eγ-coin, internal conversion electrons using ICEBall, En, In using NE213; deduced γ energy spectra, γ-ray and electron spectra in coincidence. ¹⁷⁶Lu deduced electron energies, ICE coefficients, γ-ray transition multipolarity, levels, J, π, partial level scheme.

doi: 10.1140/epja/i2016-16126-x
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Data from this article have been entered in the XUNDL database. For more information, click here.

2014LA16      Phys.Rev.Lett. 113, 032502 (2014)

C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Determining the rp-Process Flow through ⁵⁶Ni: Resonances in ⁵⁷Cu(p, γ)⁵⁸Zn identified with GRETINA

NUCLEAR REACTIONS ²H(⁵⁷Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.

doi: 10.1103/PhysRevLett.113.032502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2012NY02      At.Data Nucl.Data Tables 98, 95 (2012)

A.Nystrom, M.Thoennessen

Discovery of yttrium, zirconium, niobium, technetium, and ruthenium isotopes

COMPILATION ^{76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109}Y, ^{78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112}Zr, ^{82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115}Nb, ^{86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120}Tc, ^{87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124}Ru; compiled first identification (or discovery) of isotopes.

doi: 10.1016/j.adt.2011.12.002
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