NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Mayer Found 19 matches. 2020LE06 J.Phys.(London) G47, 045113 (2020) E.Leistenschneider, R.Klawitter, A.Lennarz, M.Alanssari, J.C.Bale, B.R.Barquest, U.Chowdhury, A.Finlay, A.T.Gallant, B.Kootte, D.Lascar, K.G.Leach, A.J.Mayer, D.Short, C.Andreoiu, G.Gwinner, M.E.Wieser, J.Dilling, A.A.Kwiatkowski Diversifying beam species through decay and recapture ion trapping: a demonstrative experiment at TITAN-EBIT RADIOACTIVITY 30Mg, 30Al(β-) [from U(p, X), E=480 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies, population and charge-state evolutions and in-trap decay at TITAN-EBIT, identification of daughter species. TRIUMF's ISOL facility, the isotope separator and accelerator (ISAC). ATOMIC MASSES 30Mg, 30Al; measured ToF-ICR resonance frequencies; deduced atomic mass excesses. Comparison with available data.
doi: 10.1088/1361-6471/ab6ee1
2018MA51 Phys.Rev. C 98, 024617 (2018) A.J.Mayer, M.Wieser, M.Alanssari, D.Frekers, W.Matthews, J.Dilling, R.I.Thompson Isotope abundance measurement of the half-life of the ββ-decaying nucleus 96Zr from a 2.68 Gyr zircon sample RADIOACTIVITY 96Zr, 96Nb(β-); 96Zr(2β-); measured Mo isotopic composition of zircon sample using Thermo Scientific Neptune multicollector inductively coupled plasma mass spectrometer (MC-ICPMS) containing nine Faraday cups, a secondary-electron multiplier, and multi-ion counting (MIC) detectors. Chemical ion-exchange separation of Mo from Zr, Fe, and other elements in zircon reference material; deduced half-life of decay of 96Zr by applying modern isotope-geochemical and chemical separation techniques; estimated lower limit of half-life for β- decay mode, using previously measured half-life for 2νββ decay mode.
doi: 10.1103/PhysRevC.98.024617
2017GA20 Phys.Rev. C 96, 024325 (2017) A.T.Gallant, M.Alanssari, J.C.Bale, C.Andreoiu, B.R.Barquest, U.Chowdhury, J.Even, A.Finlay, D.Frekers, G.Gwinner, R.Klawitter, B.Kootte, A.A.Kwiatkowski, D.Lascar, K.G.Leach, E.Leistenschneider, A.Lennarz, A.J.Mayer, D.Short, R.Thompson, M.Wieser, D.Lunney, J.Dilling Mass determination near N=20 for Al and Na isotopes ATOMIC MASSES 31,32Na, 29,34,35Al; measured cyclotron frequencies and mass excesses by time-of-flight ion-cyclotron-resonance (TOF-ICR) technique using the TITAN Penning trap mass spectrometer at ISAC-TRIUMF; deduced S(2n). Radioactive isotopes produced via the isotope separator on-line (ISOL) technique by a 480-MeV proton beam impinging on a UCx target, followed by the separation of sodium isotopes by surface ionization, and aluminum isotopes by the TRIUMF Resonant Ionization Laser Ion Source (TRILIS). Comparison with previous experimental values and mass evaluations. Systematics of S(2n) values for N=18-25 Na, Mg, and Al isotopic chains.
doi: 10.1103/PhysRevC.96.024325
2016AL03 Phys.Rev.Lett. 116, 072501 (2016) M.Alanssari, D.Frekers, T.Eronen, L.Canete, J.Dilling, M.Haaranen, J.Hakala, M.Holl, M.Jeskovsky, A.Jokinen, A.Kankainen, J.Koponen, A.J.Mayer, I.D.Moore, D.A.Nesterenko, I.Pohjalainen, P.Povinec, J.Reinikainen, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, R.I.Thompson, A.Voss, M.E.Wieser Single and Double Beta-Decay Q Values among the Triplet96Zr, 96Nb, and 96Mo ATOMIC MASSES 96Zr, 96Nb, 96Mo; measured time-of-flight spectra using a Ramsey excitation pattern, cyclotron-frequency ratios; deduced Q-values for β and 2β-decays. Comparison with AME2012, IGISOL-JYFLTRAP facility.
doi: 10.1103/PhysRevLett.116.072501
2003FE04 Nucl.Phys. A718, 131c (2003) M.Fey, R.Kunz, J.W.Hammer, M.Jaeger, A.Mayer, E.Krmpotic, C.Bauer, C.Meyer, S.Harissopulos, T.Paradellis, G.Staudt, F.Haas, P.Papka, K.-L.Kratz, B.Pfeiffer The Key Reactions in Stellar Helium Burning: 12C(α, γ)16O and 22Ne(α, n)25Mg NUCLEAR REACTIONS 12C(α, γ), E ≈ 1-2.8 MeV; measured Eγ, Iγ(θ); deduced S-factor components. 22Ne(α, n), E=0.57-1.47 MeV; measured excitation function.
doi: 10.1016/S0375-9474(03)00690-0
2002KU16 Astrophys.J. 567, 643 (2002) R.Kunz, M.Fey, M.Jaeger, A.Mayer, J.W.Hammer, G.Staudt, S.Harissopulos, T.Paradellis Astrophysical Reaction Rate of 12C(α, γ)16O NUCLEAR REACTIONS 12C(α, γ), E(cm) < 10 MeV; calculated S-factors, astrophysical reaction rates.
doi: 10.1086/338384
2001JA15 Phys.Rev.Lett. 87, 202501 (2001) M.Jaeger, R.Kunz, A.Mayer, J.W.Hammer, G.Staudt, K.L.Kratz, B.Pfeiffer 22Ne(α, n)25Mg: The key neutron source in massive stars NUCLEAR REACTIONS 22Ne(α, n), E=570-1450 keV; measured σ; deduced resonance parameters, astrophysical reaction rates.
doi: 10.1103/PhysRevLett.87.202501
2001KU09 Phys.Rev.Lett. 86, 3244 (2001) R.Kunz, M.Jaeger, A.Mayer, J.W.Hammer, G.Staudt, S.Harissopulos, T.Paradellis 12C(α, γ)16O: The key reaction in stellar nucleosynthesis NUCLEAR REACTIONS 12C(α, γ), E(cm)=0.95-2.8 MeV; measured Eγ, Iγ(θ); deduced astrophysical S-factors.
doi: 10.1103/PhysRevLett.86.3244
2000JA08 Trans.Bulg.Nucl.Soc. 5, 183 (2000) M.Jaeger, R.Kunz, I.Busching, A.Mayer, J.W.Hammer The Reaction 22Ne(α, n)25Mg as a Neutron Source for the Astrophysical s-Process NUCLEAR REACTIONS 22Ne(α, n), E=0.59-1.5 MeV; measured σ, resonance features.
1999AN35 Nucl.Phys. A656, 3 (1999) C.Angulo, M.Arnould, M.Rayet, P.Descouvemont, D.Baye, C.Leclercq-Willain, A.Coc, S.Barhoumi, P.Aguer, C.Rolfs, R.Kunz, J.W.Hammer, A.Mayer, T.Paradellis, S.Kossionides, C.Chronidou, K.Spyrou, S.Degl'Innocenti, G.Fiorentini, B.Ricci, S.Zavatarelli, C.Providencia, H.Wolters, J.Soares, C.Grama, J.Rahighi, A.Shotter, M.Lamehi-Rachti A Compilation of Charged-Particle Induced Thermonuclear Reaction Rates COMPILATION 1H(p, e+ν), 2H, 6,7Li, 7,9Be, 10,11B, 12,13C, 13,14,15N, 16,17,18O, 19F, 20,21,22Ne, 22,23Na, 24,25,26Mg, 26,27Al, 28Si(p, γ), 2H(d, γ), (d, p), 2,3H(d, n), 2,3H, 3He, 7Li, 7Be, 12C, 14,15N, 16,18O, 20,22Ne(α, γ), 3He(3He, 2p), 6,7Li, 9Be, 10,11B, 14,15N, 17,18O, 19F, 20Ne, 23Na, 24Mg, 27Al(p, α), 7Li, 9Be, 13C, 14N, 17,18O, 21,22Ne, 23Na, 25,26Mg, 27Al(α, n), 9Be, 11B, 13C, 14,15N, 19F, 23Na(p, n), 9Be(p, d), E < 10 MeV; compiled, analyzed σ, S-factors; calculated astrophysical reaction rates vs T9. Analytical approximations.
doi: 10.1016/S0375-9474(99)00030-5
1999KO34 Nucl.Instrum.Methods Phys.Res. A431, 160 (1999) V.Kolle, U.Kolle, S.E.Braitmayer, P.Mohr, S.Wilmes, G.Staudt, J.W.Hammer, M.Jaeger, H.Knee, R.Kunz, A.Mayer Capture Reactions at Astrophysically Relevant Energies: Extended gas target experiments and GEANT simulations NUCLEAR REACTIONS 20Ne(α, γ), E=0.45-3.50 MeV; measured Eγ, Iγ, yield curves; deduced resonant capture features, gas target density effects. GEANT simulations.
doi: 10.1016/S0168-9002(99)00247-8
1998BU13 Phys.Rev. C58, R10 (1998) Y.M.Butt, J.W.Hammer, M.Jaeger, R.Kunz, A.Mayer, P.D.Parker, R.Schreiter, G.Staudt Measurement of the Properties of the Astrophysically Interesting 3/2+ State at 7.101 MeV in 19F NUCLEAR REACTIONS 15N(α, γ), E=2.60-3.93 MeV; measured Eγ, Iγ. 19F deduced resonance E, Γ, ωγ. Astrophysical implications.
doi: 10.1103/PhysRevC.58.R10
1997KU18 Nucl.Phys. A621, 149c (1997) R.Kunz, A.Mayer, K.-D.Joos, H.Knee, A.Muller, J.Nickel, Ch.Plettner, J.W.Hammer, D.Baye, P.Descouvemont, M.Jaeger, V.Kolle, S.Wilmes, G.Staudt, P.Mohr, Ch.Chronidou, S.Harissopulos, K.Spyrou, Th.Paradellis Capture Reactions in the Helium Burning of Stars NUCLEAR REACTIONS, ICPND 12C(α, γ), E(cm)=0.9-3 MeV; measured Iγ(θ), preliminary results; analyzed astrophysical S-factors vs E, reaction rates vs T9. 16O(α, γ), E not given; analyzed Eγ, Iγ. Astrophysical implications.
doi: 10.1016/S0375-9474(97)00228-5
1997MO27 Phys.Rev.Lett. 79, 3837 (1997) R.Morlock, R.Kunz, A.Mayer, M.Jaeger, A.Muller, J.W.Hammer, P.Mohr, H.Oberhummer, G.Staudt, V.Kolle Halo Properties of the First (1/2)+ State in 17F from the 16O(p, γ)17F Reaction NUCLEAR REACTIONS, ICPND 16O(p, p), (p, γ), E(cm)=200-3750 keV; measured Eγ, Iγ, elastic, capture σ(E). 17F deduced halo state properties. Direct capture model.
doi: 10.1103/PhysRevLett.79.3837
1997WI12 Nucl.Phys. A621, 145c (1997) S.Wilmes, V.Kolle, U.Kolle, G.Staudt, P.Mohr, J.W.Hammer, A.Mayer The Capture Reactions 15N(α, γ)19F and 20Ne(α, γ)24Mg at Astrophysically Relevant Energies NUCLEAR REACTIONS 15N(α, γ), E=0.65-2.65 MeV; measured Eγ, Iγ; deduced resonance strengths. 20Ne(α, γ), E=1.64-2.65 MeV; measured Eγ, Iγ; deduced primary transitions yield vs E.
doi: 10.1016/S0375-9474(97)00227-3
1996KU07 Phys.Rev. C53, 2486 (1996) R.Kunz, S.Barth, A.Denker, H.W.Drotleff, J.W.Hammer, H.Knee, A.Mayer Determination of the 9Be(α, n)12C Reaction Rate NUCLEAR REACTIONS, ICPND 9Be(α, n), E=0.5-3.5 MeV; measured yield, σ(E); deduced astrophysical S-factor vs E, reaction rate. 13C deduced resonances, Γ.
doi: 10.1103/PhysRevC.53.2486
1995WI26 Phys.Rev. C52, R2823 (1995) S.Wilmes, P.Mohr, U.Atzrott, V.Kolle, G.Staudt, A.Mayer, J.W.Hammer Low Energy Resonances in 15N(α, γ)19F and 15O(α, γ)19Ne NUCLEAR REACTIONS 15N(α, γ), E=0.67-0.69 MeV; measured Eγ, Iγ; deduced resonance strength. 19Ne, 19F deduced resonance parameters. Gas target, hyperpure Ge detector. Realistic folding potential model. Other data input.
doi: 10.1103/PhysRevC.52.R2823
1987CA24 Hyperfine Interactions 34, 319 (1987) G.Carlsson, K.Johansson, E.Karlsson, A.Mayer Hyperfine Magnetic Field on Pt in Gd RADIOACTIVITY 192Ir(EC), (β-); measured γγ(θ, H); deduced Pt hyperfine magnetic field in Gd.
doi: 10.1007/BF02072730
1987WA24 Hyperfine Interactions 34, 335 (1987) E.Wackelgard, B.Lindgren, A.Mayer Electric and Magnetic Interaction in 181TaTb Measured with TDPAC RADIOACTIVITY 181Hf(β-); measured γγ(θ, H, t); deduced 181Ta electric, magnetic hyperfine interaction in Tb.
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