NSR Query Results


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NSR database version of March 18, 2024.

Search: Author = R.Kessler

Found 11 matches.

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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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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
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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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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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Note: The following list of authors and aliases matches the search parameter R.Kessler: , R.M.KESSLER, R.S.KESSLER