NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Psaltis Found 19 matches. 2023JA08 Phys.Rev.Lett. 845, 112701 (2023) H.Jayatissa, M.L.Avila, K.E.Rehm, P.Mohr, Z.Meisel, J.Chen, C.R.Hoffman, J.Liang, C.Muller-Gatermann, D.Neto, W.J.Ong, A.Psaltis, D.Santiago-Gonzalez, T.L.Tang, C.Ugalde, G.Wilson Study of the 22Mg Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the 22Mg(α, p)25Al Reaction NUCLEAR REACTIONS 4He(22Mg, p), E=74 MeV; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with calculations. MUlti-Sampling Ionization Chamber (MUSIC) detector, the Argonne Tandem Linac Accelerator System (ATLAS) at Argonne National Laboratory.
doi: 10.1103/PhysRevLett.131.112701
2023KO21 Phys.Rev. C 108, 034601 (2023) J.Kovoor, K.L.Jones, J.Hooker, M.Vostinar, R.Kanungo, S.D.Pain, M.Alcorta, J.Allen, C.Andreoiu, L.Atar, D.W.Bardayan, S.S.Bhattacharjee, D.Blankstein, C.Burbadge, S.Burcher, W.N.Catford, S.Cha, K.Chae, D.Connolly, B.Davids, N.E.Esker, F.H.Garcia, S.Gillespie, R.Ghimire, A.Gula, G.Hackman, S.Hallam, M.Hellmich, J.Henderson, M.Holl, P.Jassal, S.King, T.Knight, R.Kruecken, A.Lepailleur, J.Liang, L.Morrison, P.D.O'Malley, X.Pereira-Lopez, A.Psaltis, A.Radich, J.Refsgaard, A.C.Shotter, M.Williams, O.Workman Structure studies of 13Be from the 12Be(d, p) reaction in inverse kinematics on a solid deuteron target
doi: 10.1103/PhysRevC.108.034601
2023WI02 Phys.Rev. C 107, 035803 (2023) M.Williams, B.Davids, G.Lotay, N.Nishimura, T.Rauscher, S.A.Gillespie, M.Alcorta, A.M.Amthor, G.C.Ball, S.S.Bhattacharjee, V.Bildstein, W.N.Catford, D.T.Doherty, N.E.Esker, A.B.Garnsworthy, G.Hackman, K.Hudson, A.Lennarz, C.Natzke, B.Olaizola, A.Psaltis, C.E.Svensson, J.Williams, D.Walter, D.Yates Cross sections of the 83Rb(p, γ)84Sr and 84Kr(p, γ)85Rb reactions at energies characteristic of the astrophysical γ process NUCLEAR REACTIONS 1H(83Rb, γ)84Sr, E=2.4, 2.7 MeV/nucleon; 1H(84Kr, γ)85Rb, E=2.7 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin; deduced σ(E). 1H(83Rb, γ)84Sr, E=2.4, 2.7 MeV/nucleon; deduced thermonuclear reaction rate. Comparison to SMARAGD and NON-SMOKER calculations. Relevance to the abundance of 84Sr produced during the γ process in supernovae. The EMMA recoil mass spectrometer with 12 Compton-suppressed HPGe detectors of the TIGRESS array at ISAC-II facility of TRIUMF.
doi: 10.1103/PhysRevC.107.035803
2022BU14 Phys.Rev.Lett. 128, 182701 (2022) T.Budner, M.Friedman, C.Wrede, B.A.Brown, J.Jose, D.Perez-Loureiro, L.J.Sun, J.Surbrook, Y.Ayyad, D.W.Bardayan, K.Chae, A.A.Chen, K.A.Chipps, M.Cortesi, B.Glassman, M.R.Hall, M.Janasik, J.Liang, P.O'Malley, E.Pollacco, A.Psaltis, J.Stomps, T.Wheeler Constraining the 30P(p, γ)31S Reaction Rate in ONe Novae via the Weak, Low-Energy, β-Delayed Proton Decay of 31Cl RADIOACTIVITY 31Cl(β+p) [from 9Be(36Ar, X), E=150 MeV/nucleon]; measured decay products, Eβ, Iβ, Ep, Ip; deduced β-delayed proton spectra, the weakest β-delayed proton intensity ever measured, resonance parameters, astrophysical reaction rates. The Gaseous Detector with Germanium Tagging (GADGET), the Coupled Cyclotron Facility at MSU.
doi: 10.1103/PhysRevLett.128.182701
2022PS02 Phys.Rev.Lett. 129, 162701 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams Direct Measurement of Resonances in 7Be(α, γ)11C Relevant to νp-Process Nucleosynthesis NUCLEAR REACTIONS 4He(7Be, γ)11C, E not given; measured reaction products, Eγ, Iγ; deduced resonance energies and strengths, thermonuclear reaction rates. Comparison with available data. DRAGON recoil separator, TRIUMF.
doi: 10.1103/PhysRevLett.129.162701
2022PS03 Phys.Rev. C 106, 045805 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams First inverse kinematics measurement of resonances in 7Be(α, γ)11C relevant to neutrino-driven wind nucleosynthesis using DRAGON NUCLEAR REACTIONS 4He(7Be, γ), E=351-464 keV/nucleon; measured reaction products, Eγ, Iγ, γ-sum, (particle)γ-coin; deduced 1110-, 1115- and 876-keV resonances strength, thermonuclear reaction rate (T=0.1-10 GK), astrophysical S-factor. Discussed the impact of newly determined rates on studies of nucleosynthesis in neutrino-driven winds. Helium-filled windowless gas target surrounded by γ-ray array of 30 BGO scintillator crystals at DRAGON recoil separator (TRIUMF).
doi: 10.1103/PhysRevC.106.045805
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
2021HO15 Phys.Lett. B 822, 136710 (2021) M.Holl, R.Kanungo, Z.H.Sun, G.Hagen, J.A.Lay, A.M.Moro, P.Navratil, T.Papenbrock, M.Alcorta, D.Connolly, B.Davids, A.Diaz Varela, M.Gennari, G.Hackman, J.Henderson, S.Ishimoto, A.I.Kilic, R.Krucken, A.Lennarz, J.Liang, J.Measures, W.Mittig, O.Paetkau, A.Psaltis, S.Quaglioni, J.S.Randhawa, J.Smallcombe, I.J.Thompson, M.Vorabbi, M.Williams Proton inelastic scattering reveals deformation in 8He NUCLEAR REACTIONS 1H(8He, p), E=8.25 MeV/nucleon; measured reaction products, Ep, Ip. 8He; deduced σ(θ), resonance parameters, first 2+ state, quadrupole deformation parameter. Comparison with no-core shell model predictions. Charged particle spectroscopy station IRIS at TRIUMF in Canada.
doi: 10.1016/j.physletb.2021.136710
2021HU23 Phys.Rev.Lett. 127, 172701 (2021) J.Hu, H.Yamaguchi, Y.H.Lam, A.Heger, D.Kahl, A.M.Jacobs, Z.Johnston, S.W.Xu, N.T.Zhang, S.B.Ma, L.H.Ru, E.Q.Liu, T.Liu, S.Hayakawa, L.Yang, H.Shimizu, C.B.Hamill, A.St J.Murphy, J.Su, X.Fang, K.Y.Chae, M.S.Kwag, S.M.Cha, N.N.Duy, N.K.Uyen, D.H.Kim, R.G.Pizzone, M.La Cognata, S.Cherubini, S.Romano, A.Tumino, J.Liang, A.Psaltis, M.Sferrazza, D.Kim, Y.Y.Li, S.Kubono Advancement of Photospheric Radius Expansion and Clocked Type-I X-Ray Burst Models with the New 22Mg(α, p)25Al Reaction Rate Determined at the Gamow Energy NUCLEAR REACTIONS 1H(25Al, p), (25Al, p'), (25Al, X), E=142 MeV; measured reaction products, Ep, Ip, Eγ, Iγ. 26Si; deduced σ(θ), level energies, J, π, resonance parameters, astrophysical reaction rates. Comparison with available data.
doi: 10.1103/physrevlett.127.172701
2021LO09 Phys.Rev. C 103, 055801 (2021) M.Lovely, A.Lennarz, D.Connolly, M.Williams, M.Alcorta, A.A.Chen, B.Davids, N.E.Esker, C.Fry, S.A.Gillespie, R.Giri, U.Greife, A.Hussein, D.Hutcheon, J.Karpesky, L.Kroll, J.Liang, P.D.O'Malley, S.Paneru, A.Psaltis, C.Ruiz, A.C.Shotter, for the DRAGON Collaboration Proton capture on 34S in the astrophysical energy regime of O-Ne novae NUCLEAR REACTIONS 1H(34S, γ)35Cl, E=518.6 keV/nucleon from the ISAC facility of TRIUMF; measured recoils, Eγ, Iγ, TOF using DRAGON separator having four components, windowless gas target, BGO array for γ rays, two stage electromagnetic separator, and heavy ion detector system of double-sided silicon strip detector (DSSSD) and an ionization chamber (IC) for recoils. 35Cl; deduced energies of resonances, resonance strengths, astrophysical reaction rates. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.103.055801
2021LO11 Phys.Rev.Lett. 127, 112701 (2021) G.Lotay, S.A.Gillespie, M.Williams, T.Rauscher, M.Alcorta, A.M.Amthor, C.A.Andreoiu, D.Baal, G.C.Ball, S.S.Bhattacharjee, H.Behnamian, V.Bildstein, C.Burbadge, W.N.Catford, D.T.Doherty, N.E.Esker, F.H.Garcia, A.B.Garnsworthy, G.Hackman, S.Hallam, K.A.Hudson, S.Jazrawi, E.Kasanda, A.R.L.Kennington, Y.H.Kim, A.Lennarz, R.S.Lubna, C.R.Natzke, N.Nishimura, B.Olaizola, C.Paxman, A.Psaltis, C.E.Svensson, J.Williams, B.Wallis, D.Yates, D.Walter, B.Davids First Direct Measurement of an Astrophysical p-Process Reaction Cross Section Using a Radioactive Ion Beam NUCLEAR REACTIONS 1H(83Rb, γ), (84Kr, γ), E=2.4, 2.7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial σ. Comparison with statistical model calculations.
doi: 10.1103/PhysRevLett.127.112701
2021MO22 At.Data Nucl.Data Tables 142, 101453 (2021) P.Mohr, Z.Fulop, Gy.Gyurky, G.G.Kiss, T.Szucs, A.Arcones, M.Jacobi, A.Psaltis Astrophysical reaction rates of α-induced reactions for nuclei with 26 ≤ Z ≤ 83 from the new Atomki-V2 α-nucleus potential NUCLEAR REACTIONS 88Kr, 188Sm(α, X), E(cm)<15 MeV; calculated astrophysical reaction rates using new Atomki-V2 α-nucleus potential and TALYS nuclear model code.
doi: 10.1016/j.adt.2021.101453
2021PS01 Nucl.Instrum.Methods Phys.Res. A987, 164828 (2021) A.Psaltis, A.A.Chen, D.S.Connolly, B.Davids, G.Gilardy, R.Giri, U.Greife, W.Huang, D.A.Hutcheon, J.Karpesky, A.Lennarz, J.Liang, M.Lovely, S.N.Paneru, C.Ruiz, G.Tenkila, M.Williams Beyond the acceptance limit of DRAGON: The case of the 6Li(α, γ)10B reaction NUCLEAR REACTIONS 6Li(α, γ), E=3.6 MeV; measured reaction products, TOF, Eγ, Iγ; deduced Q-value, resonance parameters. Comparison with available data.
doi: 10.1016/j.nima.2020.164828
2021RA22 Phys.Rev. C 104, L042801 (2021) J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, S.S.Bhattacharjee, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, G.F.Grinyer, E.G.Fuakye, G.Hackman, J.Hollett, R.Jain, K.Kapoor, R.Krucken, A.Laffoley, A.Lennarz, J.Liang, Z.Meisel, B.Nikhil, A.Psaltis, A.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.Svensson, P.Subramaniam, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams, M.Williams First direct measurement of 59Cu(p, α)56Ni: step towards constraining the Ni-Cu cycle in the cosmos NUCLEAR REACTIONS 1H(59Cu, α)56Ni, E=8.5 MeV/nucleon, [secondary 59Cu beam from Nb(p, X), E=480 MeV at the TRIUMF cyclotron, followed by re-acceleration of 59Cu beam by ISAC-II superconducting LINAC, solid H2 target]; measured protons and α particles, angle-integrated σ using thick single-sided silicon strip detectors and a layer of thick CsI(Tl) detectors; deduced ratio of integrated σ to total σ, exclusive population of the ground state of 56Ni in (p, α). Comparison with Hauser-Feshbach based statistical model calculations; deduced overestimation of (p, α) cross section in this region. Discussed impact on νp process and x-ray bursts (XRBs). Relevance to Ni-Cu cycle in nucleosynthesis, with competing 59Cu(p, α)56Ni and 59Cu(p, γ)60Zn reactions.
doi: 10.1103/PhysRevC.104.L042801
2021SZ02 Phys.Rev. C 104, 035804 (2021) T.N.Szegedi, G.G.Kiss, P.Mohr, A.Psaltis, M.Jacobi, G.G.Barnafoldi, T.Szucs, Gy.Gyurky, A.Arcones Activation thick target yield measurement of 100Mo(α, n)103Ru for studying the weak r-process nucleosynthesis NUCLEAR REACTIONS 100Mo(α, n)103Ru, E=7.0-13.0 MeV; measured Eγ, Iγ, thick target σ(E) by activation technique at the Institute for Nuclear Research (Atomki); deduced recommended astrophysical rate at T9=1.0-5.0, elemental abundances for the MC13 trajectory using α-nucleus optical model potentials (α-OMPs) with Atomki-V2 potential to model the nucleosynthesis scenario. 95,97Ru, 95Tc; observed γ rays in the spectrum.
doi: 10.1103/PhysRevC.104.035804
2020LE11 Phys.Lett. B 807, 135539 (2020) A.Lennarz, M.Williams, A.M.Laird, U.Battino, A.A.Chen, D.Connolly, B.Davids, N.Esker, R.Garg, M.Gay, U.Greife, U.Hager, D.Hutcheon, J.Jose, M.Lovely, S.Lyons, A.Psaltis, J.E.Riley, A.Tattersall, C.Ruiz First inverse kinematics measurement of key resonances in the 22Ne(p, γ)23Na reaction at stellar temperatures NUCLEAR REACTIONS 1H(22Ne, γ)23Na, E not given; measured reaction products; deduced resonance strengths, reaction rates.
doi: 10.1016/j.physletb.2020.135539
2020WI08 Phys.Rev. C 102, 035801 (2020) M.Williams, A.Lennarz, A.M.Laird, U.Battino, J.Jose, D.Connolly, C.Ruiz, A.Chen, B.Davids, N.Esker, B.R.Fulton, R.Garg, M.Gay, U.Greife, U.Hager, D.Hutcheon, M.Lovely, S.Lyons, A.Psaltis, J.E.Riley, A.Tattersall First inverse kinematics study of the 22Ne(p, γ)23Na reaction and its role in AGB star and classical nova nucleosynthesis NUCLEAR REACTIONS 1H(22Ne, γ)23Na, E=161-1274 keV/nucleon from ISAC-I-TRIUMF facility, followed by mass separation of 22Ne fragments; measured Eγ, Iγ, heavy-ion evaporation products, (recoils)γ-coin, time-of-flight spectra using DRAGON array and microchannel plate (MCP) detectors. 23Na; deduced levels, proton resonances, resonance strengths, direct capture cross sections and astrophysical S factors, thermonuclear reaction rates from 0.010 to 10.0 GK. Predicted ejecta mass fractions for 20,21,22Ne, 22,23Na, 24,25,26Mg, 26,27Al. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.102.035801
2019PS01 Phys.Rev. C 99, 065807 (2019) A.Psaltis, A.Khaliel, E.-M.Assimakopoulou, A.Kanellakopoulos, V.Lagaki, M.Lykiardopoulou, E.Malami, P.Tsavalas, A.Zyriliou, T.J.Mertzimekis Cross-section measurements of radiative proton-capture reactions in 112Cd at energies of astrophysical interest NUCLEAR REACTIONS 112Cd(p, γ)113In, E=2.8, 3.0, 3.2, 3.4 MeV; measured x-ray fluorescence spectrum of the target, Eγ, Iγ, γ(θ) of measured absolute yields, σ(E) for ground and isomeric states in 113Cd, isomeric ratios, total production σ(E) using in-beam and activation techniques at the 5.5 MV Tandem Van de Graaff accelerator of the NCSR Demokritos in Athens. 113In; deduced levels, astrophysical S factors. 112Cd(p, n), E=3-8 MeV; calculated total σ(E) by Hauser-Feshbach methodology using TALYS code, and compared with experimental data.
doi: 10.1103/PhysRevC.99.065807
2017KH16 Phys.Rev. C 96, 035806 (2017) A.Khaliel, T.J.Mertzimekis, E.-M.Asimakopoulou, A.Kanellakopoulos, V.Lagaki, A.Psaltis, I.Psyrra, E.Mavrommatis First cross-section measurements of the reactions 107, 109Ag(p, γ)108, 110Cd at energies relevant to the p process NUCLEAR REACTIONS 107,109Ag(p, γ)108Cd/110Cd, E=2.2, 3.5, 4 MeV; measured Eγ, Iγ, total reaction s(E) using in-beam spectroscopy at Tandem accelerator of NCSR Demokritos; deduced S factor. Discussed p-process. Comparison with Hauser-Feshbach statistical calculations using TALYS code. 107Ag(p, n)107Cd, E=2.4-6 MeV; analyzed reaction σ(E) from previous experimental data with TALYS calculations.
doi: 10.1103/PhysRevC.96.035806
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