NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of April 11, 2024.

Search: Author = R.A.Kryger

Found 28 matches.

Back to query form



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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0905.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1399.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


Back to query form