NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = R.Kessler Found 11 matches. 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
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
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
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
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
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
1996MA15 Phys.Rev. C53, 2068 (1996) B.Mayer, A.Boudard, B.Fabbro, M.Garcon, C.Kerboul, J.Poitou, F.Wellers, W.W.Jacobs, J.Saudinos, E.Tomasi-Gustafsson, J.P.Mouly, R.S.Kessler, B.M.K.Nefkens, B.Tippens, A.van der Schaaf, R.Abegg, W.T.H.van Oers, W.Briscoe, A.Petrov, A.Moalem Reaction pd → 3Heη and pd → 3Heπ+π- Near the η Threshold NUCLEAR REACTIONS 2H(p, X), E=831.6-902.4 MeV; measured σ(E, θ) for η production; deduced η3He-scattering length. Tagging facility.
doi: 10.1103/PhysRevC.53.2068
1996NI06 Phys.Rev. C54, 1732 (1996) V.N.Nikulin, A.Boudard, M.Clajus, B.Fabbro, M.Garcon, R.S.Kessler, L.K.Lytkin, B.Mayer, B.M.K.Nefkens, F.Plouin, J.Poitou, E.Tomasi-Gustafsson, W.T.H.van Oers, D.White, C.Wilkin The d(pol)p → 3Heπ0 Reaction Near Threshold NUCLEAR REACTIONS 1H(polarized d, π0), E=397.3-429.7 MeV; measured σ(θ) vs E, iT11(θ), T20(θ), T22(θ); deduced amplitudes.
doi: 10.1103/PhysRevC.54.1732
1989BA08 Phys.Rev.Lett. 62, 1009 (1989) D.B.Barlow, R.S.Kessler, G.J.Kim, B.M.K.Nefkens, C.Pillai, J.W.Price, J.A.Wightman, S.Hall, D.W.Lane, S.R.Loe, L.K.Morton, M.E.Sadler, S.D.Adrian, W.J.Briscoe, L.H.Kramer, A.Mokhtari, A.M.Petrov, C.J.Seftor, M.F.Taragin, J.F.Davis, I.Supek Measurement of the Spin-Rotation Parameters A and R for π+p → π+p and π-p → π-p Scattering from 471 to 625 MeV/c NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E at 471-625 MeV/c; measured spin rotation parameters. Frozen spin polarized target.
doi: 10.1103/PhysRevLett.62.1009
1983CO20 Int.J.Appl.Radiat.Isotop. 34, 1181 (1983) B.M.Coursey, D.D.Hoppes, M.P.Unterweger, A.Grau Malonda, R.A.Margolin, R.M.Kessler, R.Manning Standardization of 18F for Use in Positron-Emission Tomography RADIOACTIVITY 18F(β+), (EC) [from 20Ne(d, α), E=22 MeV]; measured β+ emission rates. 4π β liquid scintillator, 4π γ ionization chamber, source standardization, 22Na calibration.
doi: 10.1016/0020-708X(83)90186-2
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