NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = H.Schatz Found 153 matches. Showing 1 to 100. [Next]2022ME04 Phys.Rev. C 105, 025804 (2022) Z.Meisel, A.Hamaker, G.Bollen, B.A.Brown, M.Eibach, K.Gulyuz, C.Izzo, C.Langer, F.Montes, W.-J.Ong, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, I.T.Yandow Improved nuclear physics near A=61 refines urca neutrino luminosities in accreted neutron star crusts ATOMIC MASSES 61Zn; measured time of flight, cyclotron frequency; deduced mass excess. Compared with AME2020 results. Low Energy Beam and Ion Trap (LEBIT) facility at the NSCL. NUCLEAR REACTIONS 61Zn, 60Cu(p, γ), T=0.10-10 GK; deduced Q from obtained new value for 61Zn atomic mass, astrophysical reaction rates. Computed neutrino luminosity from the mass number A = 61 urca cooling source in accreted neutron-star crusts. Comparison to NON-SMOKER, TALYS codes results.
doi: 10.1103/PhysRevC.105.025804
2022SA20 Phys.Lett. B 829, 137059 (2022) M.Saxena, W.-J.Ong, Z.Meisel, D.E.M.Hoff, N.Smirnova, P.C.Bender, S.P.Burcher, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, R.Conaway, P.A.Copp, B.P.Crider, J.Derkin, A.Estrae, G.Hamad, J.T.Harke, R.Jain, H.Jayatissa, S.N.Liddick, B.Longfellow, M.Mogannam, F.Montes, N.Nepal, T.H.Ogunbeku, A.L.Richard, H.Schatz, D.Soltesz, S.K.Subedi, I.Sultana, A.S.Tamashiro, V.Tripathi, Y.Xiao, R.Zink 57Zn β-delayed proton emission establishes the 56Ni rp-process waiting point bypass RADIOACTIVITY 57Zn(β+p), (β+) [from 9Be(78Kr, X)57Zn, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced T1/2, βp branching ratio, β-γ-p decay mode transitions. The Coupled Cyclotron Facility of NSCL.
doi: 10.1016/j.physletb.2022.137059
2022SC17 J.Phys.(London) G49, 110502 (2022) H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations Horizons: nuclear astrophysics in the 2020s and beyond
doi: https://dx.doi.org/10.1088/1361-6471/ac8890
2022WA34 Phys.Rev. C 106, 044317 (2022) S.Waniganeththi, D.E.M.Hoff, A.M.Rogers, C.J.Lister, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, Z.Meisel, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi Establishing the ground-state spin of 71Kr RADIOACTIVITY 71Kr(EC), (β+), (β+p) [from 9Be(92Mo, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator and a Radio Frequency Fragment Separator (RFFS) at the NSCL-MSU facility]; measured particle identification plot of implanted ions, Eγ, Iγ, E(p), I(p), (implants)β-coin, (implants)(β-delayed protons)-coin, (implants)γγ-coin, (implants)βγ-coin, T1/2 of decay of 71Kr; deduced absolute number of βγ-coin events, β events, absolute γ intensities, and intensities of β-delayed protons, logft for ground-state to ground-state superallowed β transition using SeGA array with 16 HPGe detectors for γ detection, and double-sided silicon-strip detector (DSSSDs) for particle detection. 71Kr; deduced Jπ and T1/2 of the ground state, decay branching ratios. 70Br; deduced T1/2 of the 0+ g.s. and 9+ isomer. 71Br, 70Se; deduced levels, J, π, β feedings, logft, I(p) feedings. Discussed structure of 71Kr and 71Br mirror nuclei. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.106.044317
2021HA01 Phys.Rev.Lett. 126, 042701 (2021) S.Hallam, G.Lotay, A.Gade, D.T.Doherty, J.Belarge, P.C.Bender, B.A.Brown, J.Browne, W.N.Catford, B.Elman, A.Estrade., M.R.Hall, B.Longfellow, E.Lunderberg, F.Montes, M.Moukaddam, P.O'Malley, W.-J.Ong, H.Schatz, D.Seweryniak, K.Schmidt, N.K.Timofeyuk, D.Weisshaar, R.G.T.Zegers Exploiting Isospin Symmetry to Study the Role of Isomers in Stellar Environments NUCLEAR REACTIONS 12C, 2H(26Si, 11C), (26Si, p)27Si, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial σ, branching ratios, J, π, spectroscopic factors. Comparison with shell model calculations, REACLIB data. GRETINA array.
doi: 10.1103/PhysRevLett.126.042701
2021PA44 Phys.Rev. C 104, 065803 (2021) S.F.Paul, J.Bergmann, J.D.Cardona, K.A.Dietrich, E.Dunling, Z.Hockenbery, C.Hornung, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, Y.Lan, E.Leistenschneider, E.M.Lykiardopoulou, I.Mukul, T.Murbock, W.S.Porter, R.Silwal, M.B.Smith, J.Ringuette, T.Brunner, T.Dickel, I.Dillmann, G.Gwinner, M.MacCormick, M.P.Reiter, H.Schatz, N.A.Smirnova, J.Dilling, A.A.Kwiatkowski Mass measurements of 60-63Ga reduce x-ray burst model uncertainties and extend the evaluated T=1 isobaric multiplet mass equation ATOMIC MASSES 60,61,62,63Ga; measured mass spectra using the TITAN multiple-reflection time-of-flight (MR-TOF) mass spectrometer at TRIUMF-ISAC facility; deduced mass excesses and S(p), and compared with previous experimental results and AME2020 evaluation, and theoretical calculations for S(p). Discussed isobaric multiplet mass equation (IMME) for A=60, and systematic trend for A=42-62 even-A nuclei. Relevance of 60,61Ga mass measurements for the rp process in x-ray bursts, and for 60Zn waiting point nucleus. 60,61,62,63Ga isotopes produced in Zr(p, X), E=480 MeV, and selectively ionized by TRIUMF's Resonant Laser Ion Source (TRILIS).
doi: 10.1103/PhysRevC.104.065803
2020CI04 Phys.Rev. C 101, 034305 (2020) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, T.Roginski, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao, H.Schatz, P.Sarriguren First identification of 58Zn β-delayed proton emission RADIOACTIVITY 57,58Zn(β+), (β+p)[from 9Be(78Kr, X), followed by separation of fragments using A1900 separator]; measured reaction products, Ep, Ip, β-delayed proton branching ratio, half-life of 57Zn decay using the Warsaw Optical Time Projection Chamber (OTPC) with energy loss and time-of-flight method for particle identification at the NSCL-MSU facility. 58Cu; deduced levels, J, π, β+p branching ratios, B(GT) for 1+ states. Comparison with experimental B(GT) values from 58Ni(3He, t)58Cu reaction, and with QRPA calculations.
doi: 10.1103/PhysRevC.101.034305
2020HO06 Nature(London) 580, 52 (2020) D.E.M.Hoff, A.M.Rogers, S.M.Wang, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, Z.Meisel, C.Morse, W.Nazarewicz, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.Waniganeththi Mirror-symmetry violation in bound nuclear ground states RADIOACTIVITY 73Sr(β+p), (β+), (EC) [from Be(92Mo, X), E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Ep, Ip; deduced T1/2, γ-ray energies, level scheme, J, π, branching ratios, isobaric-analogue state (IAS), log ft. Comparison with calculations, available data.
doi: 10.1038/s41586-020-2123-1
2020HO17 Phys.Rev. C 102, 045810 (2020) D.E.M.Hoff, A.M.Rogers, Z.Meisel, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.M.Wang, S.Waniganeththi Influence of 73Rb on the ashes of accreting neutron stars RADIOACTIVITY 73Sr(β+), (β+p)[from 9Be(92Mo, X), E=140 MeV/nucleon, followed by the separation and purification of 73Sr beam by A1900 and radiofrequency fragment separators at NSCL-MSU, and implanted in double-sided silicon strip detector]; measured Ep, Ip. 73Rb; deduced energy of the isobaric analogue state (IAS), J, π, isospin, S(p), β++ϵ feedings and logft for transitions to the 3/2- g.s. and the IAS, influence of 73Rb S(p) on x-ray bursts, and impact on the products of the rp process. Bayesian analysis of beta-delayed proton spectrum. ATOMIC MASSES 73Rb, 73Sr; analyzed mass excesses by IMME analysis for A=73 isobars of 73Sr, 73Rb, 73Kr and 73Br; deduced mass excesses for 73Rb and 73Sr, and S(p) for 73Rb. Comparison with data in AME2016.
doi: 10.1103/PhysRevC.102.045810
2020JI12 Nature(London) 588, 57 (2020) S.Jin, L.F.Roberts, S.M.Austin, H.Schatz Enhanced triple-α reaction reduces proton-rich nucleosynthesis in supernovae NUCLEAR REACTIONS 8Be(α, X)12C, 4He(α, X)8Be, E<0.5 MeV; analyzed available data; deduced rate of the triple-α reaction, impact on the synthesis of heavy elements in the Ga-Cd range in proton-rich neutrino-driven outflows of core-collapse supernovae.
doi: 10.1038/s41586-020-2948-7
2020ME06 Phys.Rev. C 101, 052801 (2020) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Nuclear mass measurements map the structure of atomic nuclei and accreting neutron stars ATOMIC MASSES 48,49Ar, 52,53,54,55,56,57Sc, 56,57,58,59Ti, 57,58,59,60,61,62V, 64,65Cr, 67,68Mn, 67,68,69,70Fe; measured time of flight, ΔE, Bπ, and mass excess using the A1900 fragment separator and the S800 spectrograph for particle identification at the NSCL-MSU facility; deduced S(2n), and Dn(Z, A)=S(n)(Z, A+1)-S(n)(Z, A), related to pairing gap. Comparison with available evaluated data in AME2016, and with shell model calculations using GX1A Hamiltonian for Sc isotopes. Discussion of upper-Z limit for N=34 subshell closure and lower-Z limit for N=40 subshell, and impact on electron-capture cooling in neutron star crusts. Isotopes produced in 9Be(82Se, X), E=140 MeV/nucleon reaction.
doi: 10.1103/PhysRevC.101.052801
2020ON01 Phys.Rev.Lett. 125, 262701 (2020) W.-J.Ong, E.F.Brown, J.Browne, S.Ahn, K.Childers, B.P.Crider, A.C.Dombos, S.S.Gupta, G.W.Hitt, C.Langer, R.Lewis, S.N.Liddick, S.Lyons, Z.Meisel, P.Moller, F.Montes, F.Naqvi, J.Pereira, C.Prokop, D.Richman, H.Schatz, K.Schmidt, A.Spyrou β Decay of 61V and its Role in Cooling Accreted Neutron Star Crusts RADIOACTIVITY 61V(β-), (β-n) [from 9Be(82Se, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ, En, In; deduced branching for β-delayed neutron emission, β-feeding intensities, B(GT) strengths, log ft.
doi: 10.1103/PhysRevLett.125.262701
2020RA24 Phys.Rev.Lett. 125, 202701 (2020) J.S.Randhawa, Y.Ayyad, W.Mittig, Z.Meisel, T.Ahn, S.Aguilar, H.Alvarez-Pol, D.W.Bardayan, D.Bazin, S.Beceiro Novo, D.Blankstein, L.Carpenter, M.Cortesi, D.Cortina-Gil, P.Gastis, M.Hall, S.Henderson, J.J.Kolata, T.Mijatovic, F.Ndayisabye, P.O'Malley, J.Pereira, A.Pierre, H.Robert, C.Santamaria, H.Schatz, J.Smith, N.Watwood, J.C.Zamora First Direct Measurement of 22Mg(α, p)25Al and Implications for X-Ray Burst Model-Observation Comparisons NUCLEAR REACTIONS 4He(22Mg, p), E ∼ 5 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with Non-Smoker calculations, available data.
doi: 10.1103/PhysRevLett.125.202701
2020RE04 Phys.Rev. C 101, 025803 (2020) M.P.Reiter, S.Ayet San Andres, S.Nikas, J.Lippuner, C.Andreoiu, C.Babcock, B.R.Barquest, J.Bollig, T.Brunner, T.Dickel, J.Dilling, I.Dillmann, E.Dunling, G.Gwinner, L.Graham, C.Hornung, R.Klawitter, B.Kootte, A.A.Kwiatkowski, Y.Lan, D.Lascar, K.G.Leach, E.Leistenschneider, G.Martinez-Pinedo, J.E.McKay, S.F.Paul, W.R.Plass, L.Roberts, H.Schatz, C.Scheidenberger, A.Sieverding, R.Steinbrugge, R.Thompson, M.E.Wieser, C.Will, D.Welch Mass measurements of neutron-rich gallium isotopes refine production of nuclei of the first r-process abundance peak in neutron-star merger calculations ATOMIC MASSES 80,81,82,83,84,85Ga; measured time-of-flight spectra and mass excesses using the Ion Guide Laser Ion Source (IG-LIS) and Multiple-Reflection Time-of-Flight Mass-Spectrometer and isobar separator (MR-TOF-MS) at TRIUMF-TITAN facility; deduced solar r-process abundances for A=70-140. Comparison with AME-2016 values. Systematics of experimental and theoretical S(2n) values for Z=30-33, N=46-57 isotopes.
doi: 10.1103/PhysRevC.101.025803
2019HO18 J.Phys.(London) G46, 083001 (2019) C.J.Horowitz, A.Arcones, B.Cote, I.Dillmann, W.Nazarewicz, I.U.Roederer, H.Schatz, A.Aprahamian, D.Atanasov, A.Bauswein, T.C.Beers, J.Bliss, M.Brodeur, J.A.Clark, A.Frebel, F.Foucart, C.J.Hansen, O.Just, A.Kankainen, G.C.McLaughlin, J.M.Kelly, S.N.Liddick, D.M.Lee, J.Lippuner, D.Martin, J.Mendoza-Temis, B.D.Metzger, M.R.Mumpower, G.Perdikakis, J.Pereira, B.W.O'Shea, R.Reifarth, A.M.Rogers, D.M.Siegel, A.Spyrou, R.Surman, X.Tang, T.Uesaka, M.Wang r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos
doi: 10.1088/1361-6471/ab0849
2019KA44 Phys.Lett. B 797, 134803 (2019) D.Kahl, P.J.Woods, T.Poxon-Pearson, F.M.Nunes, B.A.Brown, H.Schatz, T.Baumann, D.Bazin, J.A.Belarge, P.C.Bender, B.Elman, A.Estrade, A.Gade, A.Kankainen, C.Lederer-Woods, S.Lipschutz, B.Longfellow, S.-J.Lonsdale, E.Lunderberg, F.Montes, W.J.Ong, G.Perdikakis, J.Pereira, C.Sullivan, R.Taverner, D.Weisshaar, R.Zegers Single-particle shell strengths near the doubly magic nucleus 56Ni and the 56Ni(p, γ)57Cu reaction rate in explosive astrophysical burning NUCLEAR REACTIONS 2H(56Ni, n), (56Ni, p), E=33.6 MeV/nucleon; measured reaction products, Eγ, Iγ. 57Cu; deduced σ, spectroscopic factors, resonance parameters, astrophysical reaction rates.
doi: 10.1016/j.physletb.2019.134803
2019WO01 Phys.Rev.Lett. 122, 232701 (2019) C.Wolf, C.Langer, F.Montes, J.Pereira, W.-J.Ong, T.Poxon-Pearson, S.Ahn, S.Ayoub, T.Baumann, D.Bazin, P.C.Bender, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, E.Deleeuw, B.Elman, S.Fiebiger, A.Gade, P.Gastis, S.Lipschutz, B.Longfellow, Z.Meisel, F.M.Nunes, G.Perdikakis, R.Reifarth, W.A.Richter, H.Schatz, K.Schmidt, J.Schmitt, C.Sullivan, R.Titus, D.Weisshaar, P.J.Woods, J.C.Zamora, R.G.T.Zegers Constraining the Neutron Star Compactness: Extraction 23Al(p, γ) Reaction Rate for the rp Process NUCLEAR REACTIONS 2H(23Al, n), E=48 MeV/nucleon; measured reaction products, En, In, Eγ, Iγ; deduced J, π, σ, σ(θ), resonance widths and spectroscopic strengths, reaction rates.
doi: 10.1103/PhysRevLett.122.232701
2018AB06 Phys.Rev. C 98, 024309 (2018) E.Aboud, M.B.Bennett, C.Wrede, M.Friedman, S.N.Liddick, D.Perez-Loureiro, D.W.Bardayan, B.A.Brown, A.A.Chen, K.A.Chipps, C.Fry, B.E.Glassman, C.Langer, E.I.McNeice, Z.Meisel, W.-J.Ong, P.D.O'Malley, S.D.Pain, C.J.Prokop, H.Schatz, S.B.Schwartz, S.Suchyta, P.Thompson, M.Walters, X.Xu Toward complete spectroscopy using β decay: The example of 32Cl (βγ)32S RADIOACTIVITY 32Cl(β+), (EC)[from 9Be(36Ar, X), E=150 MeV/nucleon followed by beam separation and purification using A1900 fragment separator and time-of-flight separation method using Radio Frequency Fragment Separator (RFFS) at NSCL-MSU]; measured Eγ, Iγ, βγ- and βγγ-coin using the Clovershare array of HPGe detectors, 32Cl implants and β by a plastic scintillator at NSCL-MSU. 32S; deduced levels, J, π, β feedings, logft, Gamow-Teller strengths, half-lives, proton, γ and α widths of 8861- and 9650-keV resonances. Comparison with sd USDA and USDB shell model calculations, and with previous experimental values and ENSDF evaluations. 31P(p, α)28Si, E=9650 keV; deduced resonance strength.
doi: 10.1103/PhysRevC.98.024309
2018BE12 Phys.Rev. C 97, 065803 (2018) M.B.Bennett, C.Wrede, S.N.Liddick, D.Perez-Loureiro, D.W.Bardayan, B.A.Brown, A.A.Chen, K.A.Chipps, C.Fry, B.E.Glassman, C.Langer, N.R.Larson, E.I.McNeice, Z.Meisel, W.Ong, P.D.O'Malley, S.D.Pain, C.J.Prokop, H.Schatz, S.B.Schwartz, S.Suchyta, P.Thompson, M.Walters, X.Xu Detailed study of the decay 31Cl(βγ)31S RADIOACTIVITY 31Cl(β+), (EC)[from 9Be(36Ar, X), E=150 MeV/nucleon using A1900 Fragment Separator for Bρ, and Radio Frequency Fragment Separator (RFFS) for TOF at NSCL-MSU facility]; measured Eγ, Iγ, βγ- and βγγ-coin using Yale Clovershare array for γ detection, and plastic scintillator for β detection. 31S; deduced levels, resonances, J, π, β feedings, logft values, isospin mixing, ratio of thermonuclear reaction rates for 30P(p, γ)31S reaction at T9=0.1-0.4 for the newly discovered state at 6390 keV and the IAS at 6280 keV. Comparison with USDB and USDE shell-model calculations, and previous experimental results.
doi: 10.1103/PhysRevC.97.065803
2018DE16 J.Phys.(London) G45, 055203 (2018) P.Denissenkov, G.Perdikakis, F.Herwig, H.Schatz, C.Ritter, M.Pignatari, S.Jones, S.Nikas, A.Spyrou The impact of (n, γ) reaction rate uncertainties of unstable isotopes near N = 50 on the i-process nucleosynthesis in He-shell flash white dwarfs NUCLEAR REACTIONS 87,88,89Kr, 85,86Br, 89Rb, 89,92Sr(n, γ), E ∼ 30 keV; calculated mass fractions, astrophysical abundances of Rb, Sr, Y and Zr; deduced an impact of the uncertainties in the (n, γ) reaction rates on Monte Carlo simulation.
doi: 10.1088/1361-6471/aabb6e
2018KI21 Int.J. Mass Spectrom. 430, 134 (2018) S.Kimura, Y.Ito, D.Kaji, P.Schury, M.Wada, H.Haba, T.Hashimoto, Y.Hirayama, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morimoto, M.Mukai, I.Murray, A.Ozawa, M.Rosenbusch, H.Schatz, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik Atomic masses of intermediate-mass neutron-deficient nuclei with relative uncertainty down to 35-ppb via multireflection time-of-flight mass spectrograph ATOMIC MASSES 63Cu, 64,65,66Zn, 65Ga, 65,66,67Ge, 67As, 78,81Br, 80Rb, 79Sr; measured frequencies, TOF; deduced masses, new mass excess values. Comparison with AME16 evaluations. NUCLEAR REACTIONS S(36Ar, X)63Cu/64Zn/65Zn/66Zn/65Ga/65Ge/66Ge/67Ge/67As/78Br/81Br/80Rb/79Sr, E=3.30 MeV/nucleon; measured reaction products; deduced σ. Comparison with theoretical calculations of fusion-evaporation reactions.
doi: 10.1016/j.ijms.2018.05.001
2018LA06 Astrophys.J. 859, 62 (2018) R.Lau, M.Beard, S.S.Gupta, H.Schatz, A.V.Afanasjev, E.F.Brown, A.Deibel, L.R.Gasques, G.W.Hitt, W.R.Hix, L.Keek, P.Moller, P.S.Shternin, A.W.Steiner, M.Wiescher, Y.Xu Nuclear Reactions in the Crusts of Accreting Neutron Stars
doi: 10.3847/1538-4357/aabfe0
2017AR04 Prog.Part.Nucl.Phys. 94, 1 (2017) A.Arcones, D.W.Bardayan, T.C.Beers, L.A.Bernstein, J.C.Blackmon, B.Messer, B.A.Brown, E.F.Brown, C.R.Brune, A.E.Champagne, A.Chieffi, A.J.Couture, P.Danielewicz, R.Diehl, M.El Eid, J.E.Escher, B.D.Fields, C.Frohlich, F.Herwig, W.R.Hix, C.Iliadis, W.G.Lynch, G.C.McLaughlin, B.S.Meyer, A.Mezzacappa, F.Nunes, B.W.O'Shea, M.Prakash, B.Pritychenko, S.Reddy, E.Rehm, G.Rogachev, R.E.Rutledge, H.Schatz, M.S.Smith, I.H.Stairs, A.W.Steiner, T.E.Strohmayer, F.X.Timmes, D.M.Townsley, M.Wiescher, R.G.T.Zegers, M.Zingale White paper on nuclear astrophysics and low energy nuclear physics Part 1: Nuclear astrophysics
doi: 10.1016/j.ppnp.2016.12.003
2017KA25 Phys.Lett. B 769, 549 (2017) A.Kankainen, P.J.Woods, H.Schatz, T.Poxon-Pearson, D.T.Doherty, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, A.Estrade, A.Gade, J.Jose, A.Kontos, C.Langer, G.Lotay, Z.Meisel, F.Montes, S.Noji, F.Nunes, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Measurement of key resonance states for the 30P(p, γ)31S reaction rate, and the production of intermediate-mass elements in nova explosions NUCLEAR REACTIONS 2H(30P, n)31S, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, negative-parity states, spectroscopic factors, resonance parameters, astrophysical reaction rates. The GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), the National Superconducting Cyclotron Laboratory, Michigan State University.
doi: 10.1016/j.physletb.2017.01.084
2017ME01 Nucl.Instrum.Methods Phys.Res. A844, 45 (2017) Z.Meisel, M.del Santo, H.L.Crawford, R.H.Cyburt, G.F.Grinyer, C.Langer, F.Montes, H.Schatz, K.Smith β-particle energy-summing correction for β-delayed proton emission measurements RADIOACTIVITY 67Se, 20Mg, 23Si, 69Kr(β+p); analyzed available data; calculated β-summing in the measurement of proton-decay energies of β-delayed proton-emitting nuclei detected via implantation.
doi: 10.1016/j.nima.2016.11.019
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, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.055806
2016BE05 Phys.Rev.Lett. 116, 102502 (2016) M.B.Bennett, C.Wrede, B.A.Brown, S.N.Liddick, D.Perez-Loureiro, D.W.Bardayan, A.A.Chen, K.A.Chipps, C.Fry, B.E.Glassman, C.Langer, N.R.Larson, E.I.McNeice, Z.Meisel, W.Ong, P.D.O'Malley, S.D.Pain, C.J.Prokop, H.Schatz, S.B.Schwartz, S.Suchyta, P.Thompson, M.Walters, X.Xu Isospin Mixing Reveals 30P(p, γ)31S Resonance Influencing Nova Nucleosynthesis RADIOACTIVITY 31Cl(EC), (β+) [from Be(36Ar, X)31Cl, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced energy levels and intensities, J, π, resonance parameters. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.116.102502
2016KA05 Eur.Phys.J. A 52, 6 (2016) A.Kankainen, P.J.Woods, F.Nunes, C.Langer, H.Schatz, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, D.T.Doherty, A.Estrade, A.Gade, A.Kontos, G.Lotay, Z.Meisel, F.Montes, S.Noji, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Angle-integrated measurements of the 26Al (d, n) 27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths NUCLEAR REACTIONS 2H(26Al, n), E=30 MeV/nucleon; measured 511 keV γ-ray using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), Si recoils, (Si)γ-coin; deduced Doppler-reconstructed γ-ray spectrum in coincidence with Si, σ, resonances, spectroscopic factors to discrete states; calculated σ using shell model.
doi: 10.1140/epja/i2016-16006-5
2016LA04 Astrophys.J. 818, 78 (2016) Y.H.Lam, J.J.He, A.Parikh, H.Schatz, B.A.Brown, M.Wang, B.Guo, Y.H.Zhang, X.H.Zhou, H.S.Xu Reaction Rates of 64Ge(p, γ)65As and 65As(p, γ)66Se and the Extent of Nucleosynthesis in Type I X-Ray Bursts NUCLEAR REACTIONS 64Ge, 65As(p, γ), E=0.2-2 GK; calculated nuclear reaction rates. Large-scale shell model.
doi: 10.3847/0004-637X/818/1/78
2016ME07 Phys.Rev. C 93, 035805 (2016) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Sieja, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Time-of-flight mass measurements of neutron-rich chromium isotopes up to N=40 and implications for the accreted neutron star crust ATOMIC MASSES 59,60,61,62,63,64Cr; measured mass excesses by time-of-flight (TOF) method using 9Be(82Se, X), E=140 MeV/nucleon for production of Si to Zn isotopes and A1900 fragment separator and S800 spectrograph for fragment separation and analysis at NSCL-MSU. TOF versus mass contour plot obtained for Ar (A=44-49), K (A=47-52), Ca (A=49-55), Sc (A=52-58), Ti (A=54-60), V (A=57-63), Cr (A=59-66), Mn (A=62-70) and Fe (A=64-71) isotopes. Analyzed S(2n) trends and compared to AME-2012. Comparison with state-of-the-art shell-model calculations using modified Lenzi-Nowacki-Poves-Sieja interaction in the fp shell, and with AME-2012 data. Mass of 64Cr used in accreted neutron star crust network calculations, and deduced reduction in strength depth of electron-capture heating from A=64 isobaric chain. NUCLEAR REACTIONS 9Be(82Se, X), E=140 MeV/nucleon; measured time-of-flight, energy loss, fragment yields of 150 isotopes from Si to Zn using A1900 fragment separator and S800 spectrograph at NSCL-MSU.
doi: 10.1103/PhysRevC.93.035805
2015CH50 Phys.Rev. C 92, 034325 (2015) K.A.Chipps, S.D.Pain, U.Greife, R.L.Kozub, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration Levels in 12N via the 14N(p, t) reaction using the JENSA gas-jet target NUCLEAR REACTIONS 14N(p, t), E=38 MeV; measured E(t), I(t), σ(θ) using JENSA (Jet Experiments in Nuclear Structure and Astrophysics) gas-target system and SIDAR array at HRIBF-ORNL accelerator facility. 12N; deduced levels, L-transfers, J, π. DWBA calculations. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.92.034325
2015ME01 Phys.Rev.Lett. 114, 022501 (2015) Z.Meisel, S.George, S.Ahn, J.Browne, D.Bazin, B.A.Brown, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Mass Measurements Demonstrate a Strong N=28 Shell Gap in Argon ATOMIC MASSES 48,49Ar; measured time of flight; deduced masses, N=28 closed shell, problems of shell model calculations.
doi: 10.1103/PhysRevLett.114.022501
2015ME08 Phys.Rev.Lett. 115, 162501 (2015) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, A.L.Cole, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Mass Measurement of 56Sc Reveals a Small A=56 Odd-Even Mass Staggering, Implying a Cooler Accreted Neutron Star Crust ATOMIC MASSES 52,53,54,55,56,57Sc; measured rigidity-corrected time-of-flight distributions; deduced atomic mass excesses. Comparison with AME 2012, theoretical models.
doi: 10.1103/PhysRevLett.115.162501
2015NO04 Phys.Rev. C 92, 024312 (2015) S.Noji, R.G.T.Zegers, SamM.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.J.Williams, K.Wimmer Gamow-Teller transitions to 45Ca via the 45Sc (t, 3He+γ) reaction at 115 MeV/u and its application to stellar electron-capture rates NUCLEAR REACTIONS 45Sc(t, 3He), E=115 MeV/nucleon, [triton beam from 9Be(16O, X), E=150 MeV/nucleon reaction]; measured 3He spectra, double-differential σ(θ), Eγ, Iγ, (particle)γ-coin using S800 spectrometer, cathode-readout drift chambers (CRDCs) and Gretina array at NSCL-MSU Coupled-Cyclotron facility. 45Ca; deduced levels, J, π, B(GT) strength functions, electron capture rates on 45Ca as function of stellar temperatures T9=8.5-10.5, poor agreement with shell-model calculations in the pf space and using GXPF1A, KB3G, and FPD6 interactions. Comparison of B(GT) with that from 45Ca g.s. to 45Sc g.s. β transition.
doi: 10.1103/PhysRevC.92.024312
2014CH56 Nucl.Instrum.Methods Phys.Res. A763, 553 (2014) K.Chipps, U.Greife, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.D.Pain, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration The Jet Experiments in Nuclear Structure and Astrophysics (JENSA) gas jet target NUCLEAR REACTIONS N(120Sn, 120Sn), E=40 MeV; 15N(α, α), E not given; measured reaction products, Eα, Iα; deduced arbitrary units σ(θ), the capability of JENSA to detect scattered recoils at all angles.
doi: 10.1016/j.nima.2014.06.042
2014DE41 Phys.Lett. B 738, 453 (2014) M.Del Santo, Z.Meisel, D.Bazin, A.Becerril, B.A.Brown, H.Crawford, R.Cyburt, S.George, G.F.Grinyer, G.Lorusso, P.F.Mantica, F.Montes, J.Pereira, H.Schatz, K.Smith, M.Wiescher β-delayed proton emission of 69Kr and the 68Se rp-process waiting point RADIOACTIVITY 69Kr(β+p) [from Be(78Kr, X)69Kr, E not given]; measured reaction products, Ep, Ip, Eβ, Iβ, Eγ, Iγ. 69Br; deduced T1/2, proton separation energy, proton emission decay scheme, γ-ray energies. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2014.10.023
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
2014NO05 Phys.Rev.Lett. 112, 252501 (2014) S.Noji, R.G.T.Zegers, S.M.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.Williams, K.Wimmer β+ Gamow-Teller Transition Strengths from 46Ti and Stellar Electron-Capture Rates RADIOACTIVITY 46Ti(β+), (EC) [from 46Ti(t, 3He), E=115 MeV/nucleon]; measured reaction and decay products, Eγ, Iγ; deduced σ(θ, E), Gamow-Teller transition strength, energy levels, J, π, electron capture decay rates. Comparison with shell model calculations using GXPF1A, KB3G, FPD6 interactions, QRPA calculations.
doi: 10.1103/PhysRevLett.112.252501
2014SC01 Nature(London) 505, 62 (2014) H.Schatz, S.Gupta, P.Moller, M.Beard, E.F.Brown, A.T.Deibel, L.R.Gasques, W.R.Hix, L.Keek, R.Lau, A.W.Steiner, M.Wiescher Strong neutrino cooling by cycles of electron capture and β- decay in neutron star crusts NUCLEAR STRUCTURE 105Zr; calculated single-particle energy levels, J, π, hexadecapole deformation parameters.
doi: 10.1038/nature12757
2013LA05 Phys.Scr. T152, 014011 (2013) The role of radioactive ion beams in nuclear astrophysics
doi: 10.1088/0031-8949/2013/T152/014011
2013YA03 Astrophys.J. 766, L8 (2013) X.L.Yan, H.S.Xu, Yu.A.Litvinov, Y.H.Zhang, H.Schatz, X.L.Tu, K.Blaum, X.H.Zhou, B.H.Sun, J.J.He, Y.Sun, M.Wang, Y.J.Yuan, J.W.Xia, J.C.Yang, G.Audi, G.B.Jia, Z.G.Hu, X.W.Ma, R.S.Mao, B.Mei, P.Shuai, Z.Y.Sun, S.T.Wang, G.Q.Xiao, X.XU, T.Yamaguchi, Y.Yamaguchi, Y.D.Zang, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan Mass Measurement of 45Cr and Its Impact on the Ca-Sc Cycle in X-Ray Bursts ATOMIC MASSES 41Ti, 43V, 45Cr, 47Mn, 49Fe, 53Ni, 55Cu; measured revolution frequencies; deduced masses. Comparison with available data.
doi: 10.1088/2041-8205/766/1/L8
2012CH18 Phys.Rev. C 85, 045809 (2012) J.Chen, A.A.Chen, A.M.Amthor, D.Bazin, A.D.Becerril, A.Gade, D.Galaviz, T.Glasmacher, D.Kahl, G.Lorusso, M.Matos, C.V.Ouellet, J.Pereira, H.Schatz, K.Smith, B.Wales, D.Weisshaar, R.G.T.Zegers 26Si excited states via one-neutron removal from a 27Si radioactive ion beam NUCLEAR REACTIONS 1H, C(27Si, 26Si), [27Si secondary beam from 9Be(36Ar, X), E=150 MeV/nucleon primary beam], E=84.3 MeV/nucleon; measured energy loss and residual energy for the fragments, Eγ, Iγ, γγ-coin, Doppler corrected γ-ray spectra using SeGA array at NSCL, MSU facility. 26Si; deduced levels. Comparison with previous studies.
doi: 10.1103/PhysRevC.85.045809
2012KA11 Eur.Phys.J. A 48, 50 (2012) A.Kankainen, Yu.N.Novikov, H.Schatz, C.Weber Mass measurements of neutron-deficient nuclei and their implications for astrophysics COMPILATION Z=12-57; compiled, evaluated mass excess, separation energy from JYFLTRAP and AME03.
doi: 10.1140/epja/i2012-12050-5
2012LO08 Phys.Rev. C 86, 014313 (2012) G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers β-delayed proton emission in the 100Sn region RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.
doi: 10.1103/PhysRevC.86.014313
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 g9/2 proton and h11/2 neutron intruders. No evidence of N=56 subshell closure in 90Se. Relevance to r-process nuclei.
doi: 10.1103/PhysRevC.85.035807
2012SI10 Phys.Rev. C 85, 064308 (2012) V.V.Simon, T.Brunner, U.Chowdhury, B.Eberhardt, S.Ettenauer, A.T.Gallant, E.Mane, M.C.Simon, P.Delheij, M.R.Pearson, G.Audi, G.Gwinner, D.Lunney, H.Schatz, J.Dilling Penning-trap mass spectrometry of highly charged, neutron-rich Rb and Sr isotopes in the vicinity of A ≈ 100 ATOMIC MASSES 94,97,98Rb, 94,97,98,99Sr; measured time-of-flight and cyclotron frequencies using (TOF-ICR) method with the Penning-trap mass spectrometer TITAN at TRIUMF-ISAC facility; deduced mass excesses. Frequencies ratios measured with reference to 85Rb. Z=36-44, N=55-65; systematics of S(2n) values. Calculated r process abundances as a function of mass number. Discussed astrophysical implications. Comparisons with previous measurements and AME-2003 evaluation.
doi: 10.1103/PhysRevC.85.064308
2011BE34 Phys.Rev. C 84, 041303 (2011) A.D.Becerril, G.Lorusso, A.M.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers High-spin μs isomeric states in 96Ag NUCLEAR REACTIONS 9Be(112Sn, X), E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γγ-coin, isomer T1/2. 96Ag; deduced levels, J, π. A1900 Fragment Separator and SeGA array at NSCL. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.84.041303
2011ES06 Phys.Rev.Lett. 107, 172503 (2011) A.Estrade, M.Matos, H.Schatz, A.M.Amthor, D.Bazin, M.Beard, A.Becerril, E.F.Brown, R.Cyburt, T.Elliot, A.Gade, D.Galaviz, S.George, S.S.Gupta, W.R.Hix, R.Lau, G.Lorusso, P.Moller, J.Pereira, M.Portillo, A.M.Rogers, D.Shapira, E.Smith, A.Stolz, M.Wallace, M.Wiescher Time-of-Flight Mass Measurements for Nuclear Processes in Neutron Star Crusts ATOMIC MASSES 53,54,55Sc, 57Ti, 60,61V, 63Cr, 65,66Mn, 67,68Fe, 68,69,70,71Co, 74Ni; measured time of flight; deduced masses. Stellar nucleosynthesis implications.
doi: 10.1103/PhysRevLett.107.172503
2011HA08 Phys.Rev.Lett. 106, 122501 (2011) E.Haettner, D.Ackermann, G.Audi, K.Blaum, M.Block, S.Eliseev, T.Fleckenstein, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, J.Ketter, H.-J.Kluge, G.Marx, M.Mazzocco, Yu.N.Novikov, W.R.Plass, S.Rahaman, T.Rauscher, D.Rodriguez, H.Schatz, C.Scheidenberger, L.Schweikhard, B.Sun, P.G.Thirolf, G.Vorobjev, M.Wang, C.Weber Mass Measurements of Very Neutron-Deficient Mo and Tc Isotopes and Their Impact on rp Process Nucleosynthesis ATOMIC MASSES 81Rb, 80,81,84Sr, 86Zr, 85Nb, 85,86,87Mo, 87Tc; measured frequency ratios; deduced masses, proton separation energies, possible limitations for rp astrophysical process. Comparison with AME03, Penning trap mass measurement.
doi: 10.1103/PhysRevLett.106.122501
2011LO09 Phys.Lett. B 699, 141 (2011) G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.
doi: 10.1016/j.physletb.2011.03.043
2011MA46 Phys.Rev. C 84, 025801 (2011) A.Matic, A.M.van den Berg, M.N.Harakeh, H.J.Wortche, M.Beard, G.P.A.Berg, J.Gorres, P.LeBlanc, S.O'Brien, M.Wiescher, K.Fujita, K.Hatanaka, Y.Sakemi, Y.Shimizu, Y.Tameshige, A.Tamii, M.Yosoi, T.Adachi, Y.Fujita, Y.Shimbara, H.Fujita, T.Wakasa, J.P.Greene, R.Crowter, H.Schatz High-precision 28Si( p, t)26Si reaction to determine 22Mg(α, p)25Al reaction rates NUCLEAR REACTIONS 28Si(p, t)26Si, E=98.7 MeV; measured E(t), I(t), angular distributions using Grand Raiden spectrometer at RCNP facility. 26Si; deduced levels above the α-emission threshold, J, π, α-resonances, spectroscopic factors. 22Mg(α, p)25Al; deduced stellar reaction rates using the narrow resonance formalism. Comparison with theoretical calculations.
doi: 10.1103/PhysRevC.84.025801
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 106,107,108,109Nb, 108,109,110,111Mo(β-); compiled T1/2; calculated T1/2, Solar system r-process abundances using new T1/2.
doi: 10.1088/1742-6596/312/4/042019
2011RO18 Phys.Rev.Lett. 106, 252503 (2011) A.M.Rogers, M.A.Famiano, W.G.Lynch, M.S.Wallace, F.Amorini, D.Bazin, R.J.Charity, F.Delaunay, R.T.de Souza, J.Elson, A.Gade, D.Galaviz, M.-J.van Goethem, S.Hudan, J.Lee, S.Lobastov, S.Lukyanov, M.Matos, M.Mocko, H.Schatz, D.Shapira, L.G.Sobotka, M.B.Tsang, G.Verde Ground-State Proton Decay of 69Br and Implications for the 68Se Astrophysical Rapid Proton-Capture Process Waiting Point RADIOACTIVITY 69Br(p) [from Be(78Kr, X), E=140 MeV/nucleon]; measured reaction products, proton spectrum. 69Br, 68Se; deduced proton separation energy. Astrophysical implications, comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.106.252503
2011SC04 Prog.Part.Nucl.Phys. 66, 277 (2011) Rare isotopes in thermonuclear explosions on neutron stars
doi: 10.1016/j.ppnp.2011.01.020
2011TU02 Phys.Rev.Lett. 106, 112501 (2011) X.L.Tu, H.S.Xu M.Wang, Y.H.Zhang, Yu.A.Litvinov, Y.Sun, H.Schatz, X.H.Zhou, Y.J.Yuan, J.W.Xia, G.Audi, K.Blaum, C.M.Du, P.Geng, Z.G.Hu, W.X.Huang, S.L.Jin, L.X.Liu, Y.Liu, X.Ma, R.S.Mao, B.Mei, P.Shuai, Z.Y.Sun, H.Suzuki, S.W.Tang, J.S.Wang, S.T.Wang, G.Q.Xiao, X.Xu, T.Yamaguchi, Y.Yamaguchi, X.L.Yan, J.C.Yang, R.P.Ye, Y.D.Zang, H.W.Zhao, T.C.Zhao, X.Y.Zhang, W.L.Zhan Direct Mass Measurements of Short-Lived A=2Z-1 Nuclides 63Ge, 65As, 67Se, and 71Kr and Their Impact on Nucleosynthesis in the rp Process ATOMIC MASSES 63Ge, 65As, 67Se, 71Kr; measured ion time resolution; deduced mass excesses, proton separation energy. Comparison with AME03 and mirror nuclei, x-ray luminosity and mass number abundances calculations.
doi: 10.1103/PhysRevLett.106.112501
2010CH38 Nucl.Phys. A834, 667c (2010) J.Chen, A.A.Chen, H.Schatz, S.Kubono, A.B.Reyes, A.Smith, B.Wales, C.Ouellet, D.Kahl, D.G.Redondo, G.Lorusso, J.LeNestour, J.P.Conca, K.Smith, M.Amthor, M.Matos, H.Yamaguchi, N.Iwasa, S.Hayakawa, S.Michimasa, T.Teranishi, Y.Kurihawa, Y.Wakabayashi Study of astrophysically important states in 26Si with the p(27Si, 26Si*)d reaction and the p(25Al, p)25Al elastic scattering NUCLEAR REACTIONS 1H(25Al, 25Al), E≈3.4 MeV/nucleon; measured σ(θ). 1H(27Si, 26Si), E=89 MeV/nucleon; measured Eγ, Iγ, E(particle), I(particle), (particle)γ-coin. 26Si deduced levels, J, π, resonance parameteres using R-matrix fit.
doi: 10.1016/j.nuclphysa.2010.01.119
2010CY01 Astrophys.J.Suppl.Ser. 189, 240 (2010) R.H.Cyburt, A.M.Amthor, R.Ferguson, Z.Meisel, K.Smith, S.Warren, A.Heger, R.D.Hoffman, T.Rauscher, A.Sakharuk, H.Schatz, F.K.Thielemann, M.Wiescher The JINA REACLIB Database: Its Recent Updates and Impact on Type-I X-ray Bursts
doi: 10.1088/0067-0049/189/1/240
2010GA36 J.Phys.:Conf.Ser. 202, 012009 (2010) D.Galaviz, A.M.Amthor, D.Bazin, A.D.Becerril, B.A.Brown, A.A.Chen, A.Cole, J.M.Cook, T.Elliot, A.Estrade, Z.S.Fulop, A.Gade, T.Glasmacher, A.Heger, M.E.Howard, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, K.Smith, A.Tamii, A.Stolz, D.Weisshaar, M.Wallace, M.Wiescher, R.G.T.Zegers Nucleosynthesis of proton-rich nuclei. Experimental results on the rp-process NUCLEAR REACTIONS 9Be(36Ar, X)30S, (40Ca, X)36K, (40Ca, X)37Ca, E=140 MeV/nucleon; measured 30S, 36K, 37Ca [obtained by further stripping of one nucleon from fragmentation product] in-flight Eγ, Iγ, (recoil)γ-coin; deduced 29P(p, γ)30S stellar reaction rate relevant to X-bursts. Compared with other published reaction rates.
doi: 10.1088/1742-6596/202/1/012009
2010HO12 Phys.Rev. C 82, 025806 (2010) P.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.Farouqi, K.-L.Kratz, S.N.Liddick, A.F.Lisetskiy, P.F.Mantica, P.Moller, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, J.Pereira, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr Half-lives and branchings for β-delayed neutron emission for neutron-rich Co-Cu isotopes in the r-process RADIOACTIVITY 73,74,75Co, 75,76,77,78Ni, 76,77,78,79,80Cu, 79,80,81Zn, 81,82Ga(β-), (β-n)[from Be(86Kr, X), E=140 MeV/nucleon]; measured β spectra, βn-coin, neutron spectra, half-lives, delayed neutron-emission probabilities; calculated half-lives, P(n) using QRPA, CQRPA and OXBASH shell model. Discussed effects on various types of models for the rapid neutron-capture process (r-process) in nucleosynthesis. A=1-210; calculated abundances with classical r-process and HEW models using known decay data. 78Ni(β-); calculated Gamow-Teller strengths, effect on abundances.
doi: 10.1103/PhysRevC.82.025806
2010MA43 Phys.Rev. C 82, 025807 (2010) A.Matic, A.M.van den Berg, M.N.Harakeh, H.J.Wortche, G.P.A.Berg, M.Couder, J.Gorres, P.LeBlanc, S.O'Brien, M.Wiescher, K.Fujita, K.Hatanaka, Y.Sakemi, Y.Shimizu, Y.Tameshige, A.Tamii, M.Yosoi, T.Adachi, Y.Fujita, Y.Shimbara, H.Fujita, T.Wakasa, B.A.Brown, H.Schatz High-precision (p, t) reaction to determine 25Al(p, γ)26Si reaction rates NUCLEAR REACTIONS 28Si(p, t), E=98.7 MeV; measured triton spectra, σ, σ(θ). 26Si; deduced levels, J, π, proton resonance energies, spectroscopic factors. DWBA analysis. Comparisons with previous measurements. 26Si, 26Mg; analyzed mirror states. 25Al(p, γ)26Si; deduced reaction rates from 0.01 t0 10 GK, comparisons with previous data and statistical-model calculations.
doi: 10.1103/PhysRevC.82.025807
2009BR09 Phys.Rev. C 80, 035805 (2009) M.Breitenfeldt, G.Audi, D.Beck, K.Blaum, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, H.Schatz, S.Schwarz, L.Schweikhard Penning trap mass measurements of 99-109Cd with the ISOLTRAP mass spectrometer, and implications for the rp process ATOMIC MASSES 99,100,101,102,103,104,105,106,107,108,109Cd; measured and evaluated masses using ISOLTRAP penning-trap spectrometer. Comparisons with other measurements and AME-2003 evaluation.
doi: 10.1103/PhysRevC.80.035805
2009EL07 Phys.Rev.Lett. 102, 252501 (2009) V.-V.Elomaa, G.K.Vorobjev, A.Kankainen, L.Batist, S.Eliseev, T.Eronen, J.Hakala, A.Jokinen, I.D.Moore, Yu.N.Novikov, H.Penttila, A.Popov, S.Rahaman, J.Rissanen, A.Saastamoinen, H.Schatz, D.M.Seliverstov, C.Weber, J.Aysto Quenching of the SnSbTe Cycle in the rp Process ATOMIC MASSES 104,105,106,107,108Sn, 106,107,108,109,110Sb, 108,109Te, 111I; Measured atomic masses using JYFLTRAP Penning-trap spectrometer;deduced single-proton separation energy. Comparison with AME2003 evaluation.
doi: 10.1103/PhysRevLett.102.252501
2009MA28 Acta Phys.Pol. B40, 695 (2009) M.Matos, A.Estrade, A.M.Amthor, D.Bazin, A.Becerril, T.Elliot, M.Famiano, A.Gade, D.Galaviz, G.Lorusso, J.Pereira, M.Portillo, A.Rogers, H.Schatz, D.Shapira, E.Smith, A.Stolz, M.Wallace Time-of-Flight Mass Measurements and Their Importance for Nuclear Astrophysics
2009MA68 Phys.Rev. C 80, 055804 (2009) A.Matic, A.M.van den Berg, M.N.Harakeh, H.J.Wortche, G.P.A.Berg, M.Couder, J.L.Fisker, J.Gorres, P.LeBlanc, S.O'Brien, M.Wiescher, K.Fujita, K.Hatanaka, Y.Sakemi, Y.Shimizu, Y.Tameshige, A.Tamii, M.Yosoi, T.Adachi, Y.Fujita, Y.Shimbara, H.Fujita, T.Wakasa, P.O.Hess, B.A.Brown, H.Schatz High-precision (p, t) reaction measurement to determine 18Ne(α, p)21Na reaction rates NUCLEAR REACTIONS 24Mg(p, t), E=98.7 MeV; measured E(t), I(t), σ(θ) using Grand-Raiden spectrometer at RCNP facility. 22Mg; deduced levels, J, π, Sα, proton resonances. DWBA and R-matrix analyses. Comparison of level systematics with mirror nucleus 22Ne. 18Ne(α, p)21Na; deduced stellar reaction rates.
doi: 10.1103/PhysRevC.80.055804
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 100,101,102,103,104,105Y, 103,104,105,106,107Zr, 106,107,108,109Nb, 108,109,110,111Mo, 109,110,111,112,113Tc(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
2009SA12 Phys.Rev.Lett. 102, 132501 (2009) J.Savory, P.Schury, C.Bachelet, M.Block, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, E.Kwan, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.Prinke, R.Ringle, H.Schatz, S.Schwarz, C.S.Sumithrarachchi rp Process and Masses of N ∼ Z ∼ 34 Nuclides ATOMIC MASSES 68,70Se, 70,71Br; measured frequencies using penning trap; deduced masses. 70,71Kr predicted masses.
doi: 10.1103/PhysRevLett.102.132501
2009SC17 Nucl.Phys. A827, 26c (2009) Nuclear Astrophysics with Rare Isotopes
doi: 10.1016/j.nuclphysa.2009.05.015
2009ST04 Phys.Rev. C 79, 015803 (2009) J.B.Stoker, P.F.Mantica, D.Bazin, A.Becerril, J.S.Berryman, H.L.Crawford, A.Estrade, C.J.Guess, G.W.Hitt, G.Lorusso, M.Matos, K.Minamisono, F.Montes, J.Pereira, G.Perdikakis, H.Schatz, K.Smith, R.G.T.Zegers β-decay half-life of the rp-process waiting-point nuclide 84Mo RADIOACTIVITY 80Y, 81Zr, 83,84Nb, 84Mo(EC), (β+) [from 9Be(124Xe, X), E=140 MeV/nucleon]; measured Eγ, (particle)-γ coin, (particle)-β coin, half-life. 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo, 88Ru;systematics of half-lives and yrast states. Comparisons with QRPA predictions. NUCLEAR REACTIONS 9Be(124Xe, X)73As/74Se/76Br/77Kr/78Rb/79Sr/80Y/81,82Zr/83Nb/84Nb/84Mo, E=140 MeV/nucleon; measured yields.
doi: 10.1103/PhysRevC.79.015803
2009ST28 Eur.Phys.J. A 42, 407 (2009) I.Stefanescu, W.B.Walters, P.F.Mantica, B.A.Brown, A.D.Davies, A.Estrade, P.T.Hosmer, N.Hoteling, S.N.Liddick, W.D.M.Rae, T.J.Mertzimekis, F.Montes, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, D.Seweryniak, H.Schatz, J.Shergur, A.Stolz, J.R.Stone, B.E.Tomlin Spectroscopy of exotic 121, 123, 125Ag produced in fragmentation reactions NUCLEAR REACTIONS 9Be(136Xe, X)121Pd/123Ag/125Ag, E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121,123,125Ag; deduced levels, J, π, T1/2. Comparison with shell model and systematics. RADIOACTIVITY 121Pd(β-) [from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121Ag; deduced levels, J, π. Comparison with shell model and systematics.
doi: 10.1140/epja/i2008-10754-7
2008BA53 Phys.Rev.Lett. 101, 252501 (2008) D.Bazin, F.Montes, A.Becerril, G.Lorusso, A.Amthor, T.Baumann, H.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.Mantica, M.Matos, R.Meharchand, K.Minamisono, G.Perdikakis, J.Pereira, J.Pinter, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers Production and β Decay of rp-Process Nuclei 96Cd, 98In, and 100Sn NUCLEAR REACTIONS 9Be(112Sn, X)96Cd/98In/100Sn, E=120 MeV/nucleon; measured cross sections. RADIOACTIVITY 96Cd, 98In, 100Sn; measured decay spectra, half-lives.
doi: 10.1103/PhysRevLett.101.252501
2008BA54 Phys.Rev.Lett. 101, 262501 (2008) S.Baruah, G.Audi, K.Blaum, M.Dworschak, S.George, C.Guenaut, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, H.Schatz, L.Schweikhard, C.Yazidjian Mass Measurements beyond the Major r-Process Waiting Point 80Zn ATOMIC MASSES 71,72,73,74,75,76,77,78,79,80,81Zn; measured masses using the ISOLTRAP mass spectrometer.
doi: 10.1103/PhysRevLett.101.262501
2008GA07 J.Phys.(London) G35, 014030 (2008) D.Galaviz, A.M.Amthor, D.Bazin, B.A.Brown, A.Cole, T.Elliot, A.Estrade, Z.Fulop, A.Gade, T.Glasmacher, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, A.Tamii, M.Wallace, R.G.T.Zegers New experimental efforts along the rp-process path NUCLEAR REACTIONS 1H(31S, 30S), E=71 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 30S; deduced level energies, J, π.
doi: 10.1088/0954-3899/35/1/014030
2008MA09 J.Phys.(London) G35, 014045 (2008) M.Matos, A.Estrade, M.Amthor, A.Aprahamian, D.Bazin, A.Becerril, T.Elliot, D.Galaviz, A.Gade, S.Gupta, G.Lorusso, F.Montes, J.Pereira, M.Portillo, A.M.Rogers, H.Schatz, D.Shapira, E.Smith, A.Stolz, M.Wallace TOF-Bρ mass measurements of very exotic nuclides for astrophysical calculations at the NSCL
doi: 10.1088/0954-3899/35/1/014045
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
2007GA46 Nucl.Phys. A788, 381c (2007) D.Galaviz, M.Amthor, D.Bazin, B.A.Brown, A.Cole, T.Elliot, A.Estrade, Zs.Fulop, A.Gade, T.Glasmacher, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, A.Tamii, M.Wallace, R.Zegers Improving the nuclear physics input along the rp-process path NUCLEAR REACTIONS 1H, 12C(31S, X), E=71 MeV/nucleon; measured Eγ, Iγ. 30S deduced levels.
doi: 10.1016/j.nuclphysa.2007.01.067
2007GU14 Astrophys.J. 662, 1188 (2007) S.Gupta, E.F.Brown, H.Schatz, P.Moller, K.-L.Kratz Heating in the accreted neutron star ocean: Implications for superburst ignition
doi: 10.1086/517869
2007LI84 Eur.Phys.J. Special Topics 150, 135 (2007) S.N.Liddick, P.F.Mantica, R.V.F.Janssens, B.A.Brown, M.P.Carpenter, A.D.Davies, M.Honma, M.Horoi, T.Mizusaki, A.C.Morton, W.F.Mueller, T.Otsuka, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking Beta-delayed γ-ray studies of πf7/2 - νpf shell nuclei
doi: 10.1140/epjst/e2007-00286-4
2007MA35 Phys.Rev.Lett. 98, 212501 (2007) C.Mazzocchi, R.Grzywacz, S.N.Liddick, K.P.Rykaczewski, H.Schatz, J.C.Batchelder, C.R.Bingham, C.J.Gross, J.H.Hamilton, J.K.Hwang, S.Ilyushkin, A.Korgul, W.Krolas, K.Li, R.D.Page, D.Simpson, J.A.Winger α Decay of 109I and Its Implications for the Proton Decay of 105Sb and the Astrophysical Rapid Proton-Capture Process RADIOACTIVITY 109I(α); measured Eα, Qα and branching ratio.
doi: 10.1103/PhysRevLett.98.212501
2007SC24 Phys.Rev. C 75, 055801 (2007); Erratum Phys.Rev. C 80, 029905 (2009) P.Schury, C.Bachelet, M.Block, G.Bollen, D.A.Davies, M.Facina, C.M.Folden III, C.Guenaut, J.Huikari, E.Kwan, A.Kwiatkowski, D.J.Morrissey, R.Ringle, G.K.Pang, A.Prinke, J.Savory, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, T.Sun Precision mass measurements of rare isotopes near N = Z = 33 produced by fast beam fragmentation ATOMIC MASSES 63,64Ga, 64,65,66Ge, 66,67,68As, 69Se; measured masses using penning trap mass spectrometer. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.75.055801
2007SC29 Nucl.Phys. A787, 299c (2007) Nuclear Astrophysics with Fast Rare Isotope Beams RADIOACTIVITY 78Ni(β-); measured T1/2. Silicon strip detector.
doi: 10.1016/j.nuclphysa.2006.12.046
2006LI15 Phys.Rev. C 73, 044322 (2006) S.N.Liddick, P.F.Mantica, B.A.Brown, M.P.Carpenter, A.D.Davies, M.Horoi, R.V.F.Janssens, A.C.Morton, W.F.Mueller, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking Half-life and spin of 60Mng RADIOACTIVITY 60Cr, 60Mn(β-) [from Be(86Kr, X) and subsequent decay]; measured β-delayed Eγ, Iγ, T1/2; deduced log ft. 60Fe, 60Mn deduced levels J, π, configurations, β-feeding intensities. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.73.044322
2006MO07 Phys.Rev. C 73, 035801 (2006) F.Montes, A.Estrade, P.T.Hosmer, S.N.Liddick, P.F.Mantica, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, A.Stolz, B.E.Tomlin, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder, W.B.Walters, A.Aprahamian, A.Wohr β-decay half-lives and β-delayed neutron emission probabilities for neutron rich nuclei close to the N = 82 r-process path RADIOACTIVITY 114,115Tc, 114,115,116,117,118Ru, 116,117,118,119,120,121Rh, 119,120,121,122,123,124Pd, 121,122,123,124Ag(β-) [from Be(136Xe, X)]; measured T1/2. 116,117,118,119,120Rh, 121,122,123Pd, 122,123,124Ag(β-n); measured β-delayed neutron emission probability. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.73.035801
2006RA27 Astrophys.J. 653, 474 (2006) W.Rapp, J.Gorres, M.Wiescher, H.Schatz, F.Kappeler Sensitivity of p-process nucleosynthesis to nuclear reaction rates in a 25 M(.) supernova model
doi: 10.1086/508402
2006SC35 Nucl.Phys. A777, 601 (2006) X-ray binaries
doi: 10.1016/j.nuclphysa.2005.05.200
2006SC36 Int.J. Mass Spectrom. 251, 293 (2006) The importance of nuclear masses in the astrophysical rp-process ATOMIC MASSES 64Ge, 68Se, 72Kr; reviewed rp process for waiting-point nuclei, effective lifetimes, uncertainties in mass measurements.
doi: 10.1016/j.ijms.2006.02.014
2005FI13 Nucl.Phys. A758, 447c (2005) J.L.Fisker, E.Brown, M.Liebendorfer, H.Schatz, F.-K.Thielemann The nuclear reaction flow of type I X-ray bursts
doi: 10.1016/j.nuclphysa.2005.05.082
2005HO08 Phys.Rev.Lett. 94, 112501 (2005) P.T.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr Half-Life of the Doubly Magic r-Process Nucleus 78Ni RADIOACTIVITY 75,76,77,78Ni, 77,78Cu(β-) [from Be(86Kr, X)]; measured T1/2. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.94.112501
2005KA39 Eur.Phys.J. A 25, 355 (2005) A.Kankainen, G.K.Vorobjev, S.A.Eliseev, W.Huang, J.Huikari, A.Jokinen, A.Nieminen, Yu.N.Novikov, H.Penttila, A.V.Popov, S.Rinta-Antila, H.Schatz, D.M.Seliverstov, Yu.P.Suslov, J.Aysto Isomers of astrophysical interest in neutron-deficient nuclei at masses A = 81, 85 and 86 RADIOACTIVITY 81mKr(EC), (IT); 81Y, 81Sr, 85Nb, 85Zr, 86Mo, 86Nb(EC) [from Ni, 54Fe(32S, X)]; measured Eγ, Iγ, E(ce), I(ce), T1/2. 81Kr, 85Zr, 85Nb deduced isomeric transitions T1/2, ICC. 85Zr, 86Nb deduced levels, J, π, ICC. 81Br deduced neutrino capture rate. Astrophysical implications discussed. NUCLEAR REACTIONS 54Fe(32S, X)81Zr/81Y/81Sr/81mKr, E=150-170 MeV; Ni(32S, X)85Nb/85mNb/85Zr/85mZr/86Mo/86Nb, E=150-170 MeV; measured yields.
doi: 10.1140/epja/i2005-10141-0
2005KA46 Eur.Phys.J. A 25, Supplement 1, 129 (2005) A.Kankainen, S.A.Eliseev, T.Eronen, S.P.Fox, U.Hager, J.Hakala, W.Huang, J.Huikari, D.Jenkins, A.Jokinen, S.Kopecky, I.Moore, A.Nieminen, Yu.N.Novikov, H.Penttila, A.V.Popov, S.Rinta-Antila, H.Schatz, D.M.Seliverstov, G.K.Vorobjev, Y.Wang, J.Aysto, and the IS403 Collaboration Beta-delayed gamma and proton spectroscopy near the Z = N line RADIOACTIVITY 31Cl(β+p) [from S(p, X), E=40 MeV]; measured β-delayed Eγ, Ep. 58Zn(β+) [from Nb(p, X), E=1.4 GeV]; measured Eγ, Iγ, βγ-coin, T1/2. 58Cu deduced levels, β-feeding intensities. 81mKr(EC), (IT); 81Y, 81Sr, 85Nb, 85Zr, 86Mo, 86Nb(EC) [from Ni, 54Fe(32S, X)]; measured Eγ, Iγ, E(ce), I(ce), T1/2. 81Kr, 85Zr, 85Nb deduced isomeric transitions T1/2, ICC. 85Zr, 86Nb deduced levels, J, π, ICC. 81Br deduced neutrino capture rate. Mass-separated sources.
doi: 10.1140/epjad/i2005-06-036-x
2005LI53 Phys.Rev. C 72, 054321 (2005) S.N.Liddick, P.F.Mantica, R.Broda, B.A.Brown, M.P.Carpenter, A.D.Davies, B.Fornal, M.Horoi, R.V.F.Janssens, A.C.Morton, W.F.Mueller, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking β-decay of odd-A 57Ti and 59V RADIOACTIVITY 57Ti, 59V, 59Cr(β-) [from Be(86Kr, X)]; measured β-delayed Eγ, Iγ, γγ-coin, T1/2; deduced log ft. 57V, 59Cr, 59Mn deduced levels, β-feeding intensities, deformation. Comparison with shell-model predictions.
doi: 10.1103/PhysRevC.72.054321
2005MO30 Nucl.Phys. A758, 643c (2005) F.Montes, H.Schatz, A.Aprahamian, O.Arndt, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, P.Hosmer, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr β-Decay Studies Close to the N=82 r-process Path RADIOACTIVITY 119Rh(β-) [from Be(136Xe, X)]; measured T1/2.
doi: 10.1016/j.nuclphysa.2005.05.188
2005RA22 Nucl.Phys. A758, 545c (2005) W.Rapp, M.Wiescher, H.Schatz, F.Kappeler The Influence of Reaction Rates on the Final p-Abundances
doi: 10.1016/j.nuclphysa.2005.05.099
2005RO39 Eur.Phys.J. A 25, Supplement 1, 41 (2005) D.Rodriguez, V.S.Kolhinen, G.Audi, J.Aysto, D.Beck, K.Blaum, G.Bollen, F.Herfurth, A.Jokinen, A.Kellerbauer, H.-J.Kluge, M.Oinonen, H.Schatz, E.Sauvan, S.Schwarz Mass measurement on the rp-process waiting point 72Kr ATOMIC MASSES 72,73,74Kr, 73Rb, 74Sr; measured masses. Penning trap mass spectrometer.
doi: 10.1140/epjad/i2005-06-164-3
2005SC18 Nucl.Phys. A758, 607c (2005) Experiments with radioactive beams of r-process nuclei
doi: 10.1016/j.nuclphysa.2005.05.110
2005SC21 J.Phys.(London) G31, S1633 (2005) Nuclear astrophysics with fast radioactive beams
doi: 10.1088/0954-3899/31/10/046
2005SC28 Eur.Phys.J. A 25, Supplement 1, 639 (2005) H.Schatz, P.T.Hosmer, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr The half-life of the doubly-magic r-process nucleus 78Ni RADIOACTIVITY 78Ni(β-) [from 86Kr fragmentation]; measured T1/2. Comparison with model predictions, astrophysical implications discussed.
doi: 10.1140/epjad/i2005-06-069-1
2005SC31 Phys.Rev. C 72, 065804 (2005) H.Schatz, C.A.Bertulani, B.A.Brown, R.R.C.Clement, A.A.Sakharuk, B.M.Sherrill Revised result for the 32Cl(p, γ)33Ar reaction rate for astrophysical rp-process calculations NUCLEAR REACTIONS 32Cl(p, γ), E=low; analyzed spectroscopic factors, related data; deduced astrophysical reaction rates.
doi: 10.1103/PhysRevC.72.065804
2005ZE04 Nucl.Phys. A758, 67c (2005) R.G.T.Zegers, A.L.Cole, H.Akimune, S.M.Austin, D.Bazin, A.M.van den Berg, G.P.A.Berg, J.Brown, I.Daito, Y.Fujita, M.Fujiwara, K.Hara, M.N.Harakeh, G.W.Hitt, M.E.Howard, J.Janecke, T.Kawabataj T.Nakamura, H.Ueno, H.Schatz, B.M.Sherrill, M.Steiner Weak interaction strengths for supernovae calculations via the (t, 3He) reaction on medium-heavy nuclei NUCLEAR REACTIONS 58Ni(t, 3He), E=112 MeV/nucleon; measured σ(E, θ); deduced Gamow-Teller strength distribution.
doi: 10.1016/j.nuclphysa.2005.05.018
2004CL02 Phys.Rev.Lett. 92, 172502 (2004) R.R.C.Clement, D.Bazin, W.Benenson, B.A.Brown, A.L.Cole, M.W.Cooper, P.A.DeYoung, A.Estrade, M.A.Famiano, N.H.Frank, A.Gade, T.Glasmacher, P.T.Hosmer, W.G.Lynch, F.Montes, W.F.Mueller, G.F.Peaslee, P.Santi, H.Schatz, B.M.Sherrill, M.-J.van Goethem, M.S.Wallace New Approach for Measuring Properties of rp-Process Nuclei NUCLEAR REACTIONS H, C(34Ar, 33ArX), E=84 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following neutron removal. 33Ar deduced levels, J, π, spectroscopic factors. 32Cl(p, γ), E=low; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevLett.92.172502
2004LI75 Phys.Rev. C 70, 064303 (2004) S.N.Liddick, P.F.Mantica, R.Broda, B.A.Brown, M.P.Carpenter, A.D.Davies, B.Fornal, T.Glasmacher, D.E.Groh, M.Honma, M.Horoi, R.V.F.Janssens, T.Mizusaki, D.J.Morrissey, A.C.Morton, W.F.Mueller, T.Otsuka, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking Development of shell closures at N = 32, 34. I. β decay of neutron-rich Sc isotopes RADIOACTIVITY 54,55,56Sc(β-) [from Be(86Kr, X)]; measured Eβ, Eγ, βγ-coin, T1/2. 54,55,56Ti deduced levels, J, π, configurations. Comparison with model predictions.
doi: 10.1103/PhysRevC.70.064303
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