NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = R.A.Kryger Found 28 matches. 1999TH01 Phys.Rev. C59, 111 (1999) M.Thoennessen, S.Yokoyama, A.Azhari, T.Baumann, J.A.Brown, A.Galonsky, P.G.Hansen, J.H.Kelley, R.A.Kryger, E.Ramakrishnan, P.Thirolf Population of 10Li by Fragmentation NUCLEAR REACTIONS 9Be(18O, X)10Li, E=80 MeV/nucleon; measured n-9Li relative velocity spectra. 10Li deduced low-lying s-wave strength.
doi: 10.1103/PhysRevC.59.111
1998AZ01 Phys.Rev. C57, 628 (1998) A.Azhari, T.Baumann, J.A.Brown, M.Hellstrom, J.H.Kelley, R.A.Kryger, D.J.Millener, H.Madani, E.Ramakrishnan, D.E.Russ, T.Suomijarvi, M.Thoennessen, S.Yokoyama Proton Decay of States in 11N NUCLEAR REACTIONS 9Be(12N, 11N), E=40 MeV/nucleon; measured projectile-like fragment decay p(10C)-coin. 11N deduced levels J, π, Γ, proton decay branching ratios.
doi: 10.1103/PhysRevC.57.628
1998AZ03 Phys.Rev. C58, 2568 (1998) A.Azhari, R.A.Kryger, M.Thoennessen Decay of the 12O Ground State RADIOACTIVITY 12O(2p); analyzed two-proton decay data; deduced sequential proton emission. New data on 11N ground state considered.
doi: 10.1103/PhysRevC.58.2568
1998BA37 Nucl.Phys. A635, 428 (1998) T.Baumann, E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, J.F.Dempsey, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, D.W.Stracener, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Evolution of the Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; 208Pb(α, α'), E=40 MeV/nucleon; measured Eγ, Iγ, Eα, Iα, αγ-coin. 120Sn, 208Pb deduced GDR width vs temperature, shape effects. Adiabatic coupling model.
doi: 10.1016/S0375-9474(98)00197-3
1998KO01 Phys.Rev. C57, R6 (1998) J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.White-Stevens, J.von Schwarzenberg, J.D.Hinnefeld, E.F.Aguilera, E.Martinez-Quiroz, D.A.Roberts, F.D.Becchetti, M.Y.Lee, R.A.Kryger 6He + 209Bi Fusion-Fission Reaction NUCLEAR REACTIONS 209Bi(6He, F), E≈32 MeV; measured fission σ; deduced no evidence for transfer fission contribution.
doi: 10.1103/PhysRevC.57.R6
1996BR30 Phys.Rev. C54, R2105 (1996) J.A.Brown, D.Bazin, W.Benenson, J.Caggiano, M.Fauerbach, M.Hellstrom, J.H.Kelley, R.A.Kryger, R.Pfaff, B.M.Sherrill, M.Steiner, D.J.Morrissey, C.F.Powell Measurement of the 1H(6He, 6Li)n Reaction in Inverse Kinematics NUCLEAR REACTIONS 1H(6He, 6Li), 6He(p, n), E=93 MeV/nucleon; measured σ(θ); deduced B(GT) and ratio of transitions to the ground state and isobaric analog state in 6Li. 6Li levels deduced transition ratios.
doi: 10.1103/PhysRevC.54.R2105
1996DE06 Nucl.Phys. A597, 127 (1996) P.A.DeYoung, R.Bennink, T.Butler, W.Chung, C.Dykstra, G.Gilfoyle, J.Hinnefeld, M.Kaplan, J.J.Kolata, R.A.Kryger, J.Kugi, C.Mader, M.Nimchek, P.Santi, A.Snyder Small Angle Neutron-Neutron Correlation Functions for the 16O + 27Al Reaction at 220 MeV NUCLEAR REACTIONS 27Al(16O, X), E=220 MeV; measured two-neutron small-angle correlation functions.
doi: 10.1016/0375-9474(95)00419-X
1996FA01 Phys.Rev. C53, 647 (1996) M.Fauerbach, D.J.Morrissey, W.Benenson, B.A.Brown, M.Hellstrom, J.H.Kelley, R.A.Kryger, R.Pfaff, C.F.Powell, B.M.Sherrill New Search for 26O NUCLEAR REACTIONS, ICPND 9Be(40Ar, X)17O/18O/19O/20O/21O/22O/23O/24O, E=90 MeV/nucleon; measured residuals relative production σ for O and P, Si, Al, Mg, Na, Ne, F, N.C.B isotopes; deduced 26O particle unstable characteristics.
doi: 10.1103/PhysRevC.53.647
1996KE16 Phys.Rev.Lett. 77, 5020 (1996) J.H.Kelley, S.M.Austin, A.Azhari, D.Bazin, J.A.Brown, H.Esbensen, M.Fauerbach, M.Hellstrom, S.E.Hirzebruch, R.A.Kryger, D.J.Morrissey, R.Pfaff, C.F.Powell, E.Ramakrishnan, B.M.Sherrill, M.Steiner, T.Suomijarvi, M.Thoennessen Study of the Breakup Reaction 8B → 7Be + p: Absorption effects and E2 strength NUCLEAR REACTIONS 9Be, 197Au(8B, p7Be), E=41 MeV/nucleon; measured parallel, transverse momenta. Models comparison.
doi: 10.1103/PhysRevLett.77.5020
1996KR05 Phys.Rev. C53, 1971 (1996) R.A.Kryger, A.Azhari, J.Brown, J.Caggiano, M.Hellstrom, J.H.Kelley, B.M.Sherrill, M.Steiner, M.Thoennessen Upper Limit of the Lifetime of 16B NUCLEAR REACTIONS 12C(17C, 16B), (16C, 15B), E=880 MeV; measured spectra; deduced one-proton stripping σ from ejectile yields. 16B deduced T1/2 upper limit.
doi: 10.1103/PhysRevC.53.1971
1996RA15 Nucl.Phys. A599, 49c (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, G.Van Buren, R.J.Charity, J.F.Dempsey, P.-F.Hua, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), (α, X), E=40, 50 MeV/nucleon; 208Pb(α, α'), (α, X), E=40 MeV/nucleon; measured αγ-coin. 120Sn, 208Pb deduced GDR width vs excitation.
doi: 10.1016/0375-9474(96)00046-2
1996RA20 Phys.Rev.Lett. 76, 2025 (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, R.J.Charity, J.F.Dempsey, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance Built on Highly Excited States of 120Sn Nuclei Populated by Inelastic α Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; measured γα-coin. 120Sn deduced GDR built on highly excited states, width.
doi: 10.1103/PhysRevLett.76.2025
1996RA36 Phys.Lett. 383B, 252 (1996) E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Temperature Dependence of the Giant Dipole Resonance Width in 208Pb NUCLEAR REACTIONS 208Pb(α, α'), E=40 MeV/nucleon; measured α-spectra, γγ-coin. 208Pb deduced GDR width temperature dependence.
doi: 10.1016/0370-2693(96)00746-0
1996ST05 Phys.Rev.Lett. 76, 26 (1996) M.Steiner, S.M.Austin, D.Bazin, W.Benenson, C.A.Bertulani, J.A.Brown, M.Fauerbach, M.Hellstrom, E.Kashy, J.H.Kelley, R.A.Kryger, T.Kubo, N.A.Orr, R.Pfaff, B.M.Sherrill, M.Thoennessen, S.J.Yennello, B.M.Young, P.D.Zecher, D.J.Morrissey, C.F.Powell First Study of Heavy-Ion Mirror Charge Exchange NUCLEAR REACTIONS 13C(13N, 13C), E=57, 105 MeV/nucleon; measured σ(θ), spectra; deduced Gamow-Teller to Fermi-transition unit σ(ratio).
doi: 10.1103/PhysRevLett.76.26
1995BA28 Phys.Rev.Lett. 74, 3569 (1995) D.Bazin, B.A.Brown, J.Brown, M.Fauerbach, M.Hellstrom, S.E.Hirzebruch, J.H.Kelley, R.A.Kryger, D.J.Morrissey, R.Pfaff, C.F.Powell, B.M.Sherrill, M.Thoennessen One-Neutron Halo of 19C NUCLEAR REACTIONS 9Be(19C, X), E=90 MeV/nucleon; measured recoil fragment longitudinal momentum distribution following projectile, 18,17C one-neutron breakup; deduced 19,18,17,16C core radii. 19C deduced halo features.
doi: 10.1103/PhysRevLett.74.3569
1995KE02 Phys.Rev.Lett. 74, 30 (1995) J.H.Kelley, S.M.Austin, R.A.Kryger, D.J.Morrissey, N.A.Orr, B.M.Sherrill, M.Thoennessen, J.S.Winfield, J.A.Winger, B.M.Young Parallel Momentum Distributions as a Probe of Halo Wave Functions NUCLEAR REACTIONS 238U, 9Be, 93Nb, 181Ta(11Be, 10Be), E=63 MeV/nucleon; measured 9Be parallel momentum distribution, σ(θ) vs momentum. 11Be deduced one-neutron halo existence. Projectile breakup.
doi: 10.1103/PhysRevLett.74.30
1995KR03 Phys.Rev.Lett. 74, 860 (1995) R.A.Kryger, A.Azhari, M.Hellstrom, J.H.Kelley, T.Kubo, R.Pfaff, E.Ramakrishnan, B.M.Sherrill, M.Thoennessen, S.Yokoyama, R.J.Charity, J.Dempsey, A.Kirov, N.Robertson, D.G.Sarantites, L.G.Sobotka, J.A.Winger Two-Proton Emission from the Ground State of 12O RADIOACTIVITY 12O(2p) [from 9Be(13O, 12O), secondary beam from 9Be(16O, X), projectile fragmentation]; measured (2p)(12C)-coin decay energy; deduced 2He emission upper limit, branching ratio.
doi: 10.1103/PhysRevLett.74.860
1995KR24 Nucl.Instrum.Methods Phys.Res. B99, 312 (1995) R.A.Kryger, A.Azhari, M.Hellstrom, J.H.Kelley, T.Kubo, R.Pfaff, E.Ramakrishnan, B.M.Sherrill, M.Thoennessen, S.Yokoyama, R.J.Charity, J.Dempsey, A.Kirov, N.Robertson, D.G.Sarantites, L.G.Sobotka, J.A.Winger Studies of Light Nuclei Beyond the Particle Driplines: The two-proton emitter 12O NUCLEAR REACTIONS 9Be(13O, 12O), E=33.4 MeV/nucleon; measured (10C)(2p)-coin events relative energy, (10C)(2p)(θ) following ejectile breakup; deduced ejectile breakup mechanism related features. 12O deduced no 2He emission evidence.
doi: 10.1016/0168-583X(95)00337-1
1995OR02 Phys.Rev. C51, 3116 (1995) N.A.Orr, N.Anantaraman, S.M.Austin, C.A.Bertulani, K.Hanold, J.H.Kelley, R.A.Kryger, D.J.Morrissey, B.M.Sherrill, G.A.Souliotis, M.Steiner, M.Thoennessen, J.S.Winfield, J.A.Winger, B.M.Young Momentum Distributions of 9Li Fragments from the Breakup of 11Li and the Neutron Halo NUCLEAR REACTIONS 9Be, 93Nb, 181Ta, 238U(11Li, 9LiX), E ≈ 66 MeV/nucleon; measured σ(θ(9Li)) vs momentum. 11Li deduced neutron halo characteristics. Energy-loss spectrometer.
doi: 10.1103/PhysRevC.51.3116
1995PF02 Phys.Rev. C51, 1348 (1995) R.Pfaff, D.J.Morrissey, M.Fauerbach, M.Hellstrom J.H.Kelley, R.A.Kryger, B.M.Sherrill, M.Steiner, J.S.Winfield, J.A.Winger, S.J.Yennello, B.M.Young Projectilelike Fragment Momentum Distributions from 86Kr + Al at 70 MeV/Nucleon NUCLEAR REACTIONS 27Al(86Kr, X), E=70 MeV/nucleon; measured projectile-like residue yields (fragment Z=33-39), momentum distributions. Goldhaber model.
doi: 10.1103/PhysRevC.51.1348
1994KR21 Nucl.Instrum.Methods Phys.Res. A346, 544 (1994) R.A.Kryger, A.Azhari, E.Ramakrishnan, M.Thoennessen, S.Yokoyama Efficiency of a BaF2 Scintillator Detector for 15-150 MeV Neutrons
doi: 10.1016/0168-9002(94)90589-4
1994ZA02 Phys.Rev. C49, 1540 (1994) M.Zahar, M.Belbot, J.J.Kolata, K.Lamkin, R.Thompson, J.H.Kelley, R.A.Kryger, D.J.Morrissey, N.A.Orr, B.M.Sherrill, J.S.Winfield, J.A.Winger, A.H.Wuosmaa Quasielastic Scattering of 12,14Be on 12C NUCLEAR REACTIONS 12C(12Be, X), E=679 MeV; 12C(14Be, X), E=796 MeV; measured quasielastic σ(θ); deduced phenomenological optical model features.
doi: 10.1103/PhysRevC.49.1540
1993KR09 Phys.Rev. C47, R2439 (1993) R.A.Kryger, A.Azhari, A.Galonsky, J.H.Kelley, R.Pfaff, E.Ramakrishnan, D.Sackett, B.M.Sherrill, M.Thoennessen, J.A.Winger, S.Yokoyama Neutron Decay of 10Li Produced by Fragmentation NUCLEAR REACTIONS C(18O, X), E=80 MeV/nucleon; measured n(9Li)-coin. 10Li deduced level, neutron decay features.
doi: 10.1103/PhysRevC.47.R2439
1993ZA04 Phys.Rev. C48, R1484 (1993) M.Zahar, M.Belbot, J.J.Kolata, K.Lamkin, R.Thompson, N.A.Orr, J.H.Kelley, R.A.Kryger, D.J.Morrissey, B.M.Sherrill, J.A.Winger, J.S.Winfield, A.H.Wuosmaa Momentum Distributions for 12,14Be Fragmentation NUCLEAR REACTIONS 12C(12Be, X), (14Be, X), E=56, 65 MeV/nucleon; measured fragment longitudinal momentum distribution, σ(fragment θ). 14Be deduced neutron halo features.
doi: 10.1103/PhysRevC.48.R1484
1993ZH13 Phys.Rev. C48, 429 (1993) Z.Zhao, R.H.France III, K.S.Lai, M.Gai, E.L.Wildes, R.A.Kryger, J.A.Winger, K.B.Beard Study of the Beta-Delayed Alpha-Particle Emission of 16N RADIOACTIVITY 16N(β-) [from 9Be(18O, X), E=80 MeV/nucleon]; measured β-delayed Eα, Iα, Eγ, Iγ; deduced 12C(α, γ) reaction, massive stars helium burning process implications. 16O level deduced β-decay branching ratio.
doi: 10.1103/PhysRevC.48.429
1992KR14 Phys.Rev. C46, 1887 (1992) R.A.Kryger, J.J.Kolata, W.Chung, S.Dixit, R.J.Tighe, J.J.Vega, P.A.DeYoung, C.Copi, J.Sarafa, G.P.Gilfoyle, S.K.Sigworth Neutron-Charged-Particle Correlations in the 3.8 MeV per Nucleon 16O + 12C and 13.4 MeV per Nucleon 16O + 27Al Reactions NUCLEAR REACTIONS 27Al(16O, X), E=215 MeV; measured n(light charged particle), (particle)(particle) correlations. 12C(16O, np), E=60.5 MeV; measured np-correlations; deduced nuclear temperatures, production yields for singlet d, 5He, 5Li, 6Li(excited state). Koonin, semi-classical evaporation model.
doi: 10.1103/PhysRevC.46.1887
1990KR14 Phys.Rev.Lett. 65, 2118 (1990) R.A.Kryger, J.J.Kolata, W.Chung, S.Dixit, R.J.Tighe, J.J.Vega, P.A.De Young, C.Copi, J.Sarafa, D.G.Kovar, G.P.Gilfoyle, S.K.Sigworth Two-Particle Correlations from Neutron-Light-Charged-Particle Coincidences NUCLEAR REACTIONS 27Al(16O, nX), E=215 MeV; measured nX-coin for X=α, d, p; deduced singlet-d, 5He production evidence. 43Sc deduced nuclear temperature.
doi: 10.1103/PhysRevLett.65.2118
1988KO17 Phys.Rev.Lett. 61, 1178 (1988) J.J.Kolata, R.A.Kryger, P.A.DeYoung, F.W.Prosser Neutron-Emission Spectra and Superdeformation in Light Nuclei NUCLEAR REACTIONS 12C(16O, xnyp), E=56 MeV; measured np-coin. 28Si deduced shape transitions, superdeformation.
doi: 10.1103/PhysRevLett.61.1178
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