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NSR database version of April 11, 2024.

Search: Author = J.Karn

Found 12 matches.

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1992RE01      Phys.Lett. 276B, 418 (1992)

T.Reposeur, J.Clayton, W.Benenson, M.Cronqvist, S.Hannuschke, S.Howden, J.Karn, D.Krofcheck, A.Nadasen, C.Ogilvie, R.Pfaff, J.D.Stevenson, A.Vander Molen, G.D.Westfall, K.Wilson, J.S.Winfield, B.Young, M.F.Mohar, D.J.Morrissey

Impact Parameter Dependence of High Energy Gamma Ray Production in Heavy-Ion Collisions

NUCLEAR REACTIONS 51V(40Ar, X), E=65 MeV/nucleon; measured σ(fragment θ, Eγ), (fragment)γ-coin; deduced impact parameter dependence. Multi-detector array.

doi: 10.1016/0370-2693(92)91660-2
Citations: PlumX Metrics


1991GO04      Phys.Rev. C43, R1504 (1991)

P.L.Gonthier, J.D.Lenters, M.T.Vonk, D.Bleitz, T.Koppenol, D.A.Cebra, W.K.Wilson, A.Vander Molen, J.Karn, S.Howden, A.Nadasen, J.S.Winfield, G.D.Westfall

Sources of Light Particles in Peripheral Collisions

NUCLEAR REACTIONS 16O(Ni, αX), E=860 MeV; measured Eα, Iα, σ(θα, Eα, fragment θ); deduced α-emission mechanism.

doi: 10.1103/PhysRevC.43.R1504
Citations: PlumX Metrics


1991PR07      Nucl.Phys. A534, 204 (1991)

C.A.Pruneau, G.C.Ball, E.Hagberg, D.Horn, S.Gilbert, L.Potvin, C.Rioux, C.St-Pierre, T.E.Drake, A.Galindo-Uribarri, G.Zwartz, D.A.Cebra, S.Howden, J.Karn, C.A.Ogilvie, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Impact-Parameter Independence of Participant Energy Spectra Measured in Symmetric Heavy-Ion Collisions

NUCLEAR REACTIONS 23Na, 19F, 45Sc, 197Au(20Ne, X), E=45 MeV/nucleon; 23Na, 19F(20Ne, X), E=35 MeV/nucleon; measured charged particles spectra multiplicities; deduced impact parameters. Energy spectra gated by impact parameter, 4π phoswich detector array, Si detector telescopes. Reaction simulations filtered by experimental acceptance.

doi: 10.1016/0375-9474(91)90563-L
Citations: PlumX Metrics


1991WI11      Phys.Rev. C43, 2696 (1991)

W.K.Wilson, D.Cebra, S.Howden, J.Karn, D.Krofcheck, R.Lacey, T.Li, A.Nadasen, T.Reposeur, A.Vander Molen, C.A.Ogilvie, G.D.Westfall, J.S.Winfield

Mean Field Deflection in Peripheral Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(12C, pX), E=50 MeV/nucleon; measured p(frament)-coin, proton transverse momentum spectra; deduced proton deflection direction.

doi: 10.1103/PhysRevC.43.2696
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1990CE04      Phys.Rev.Lett. 64, 2246 (1990)

D.A.Cebra, S.Howden, J.Karn, A.Nadasen, C.A.Ogilvie, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield, E.Norbeck

Event-Shape Analysis: Sequential versus simultaneous multifragment emission

NUCLEAR REACTIONS 51V(40Ar, X), E=35-85 MeV/nucleon; measured light fragment multiplicity, mass, charge, kinetic energy distributions; deduced reaction mechanism.

doi: 10.1103/PhysRevLett.64.2246
Citations: PlumX Metrics


1990OG03      Phys.Rev. C42, R10 (1990)

C.A.Ogilvie, W.Bauer, D.A.Cebra, J.Clayton, S.Howden, J.Karn, A.Nadasen, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Disappearance of Flow and Its Relevance to Nuclear Matter Physics

NUCLEAR REACTIONS 51V(40Ar, X), E=35, 45, 55, 65, 75, 85 MeV/nucleon; measured transverse collective motion in light particles (Z=1, 2, 3); deduced E(balance) lower limit, nuclear meanfield component features.

doi: 10.1103/PhysRevC.42.R10
Citations: PlumX Metrics


1990WI03      Phys.Rev. C41, R1881 (1990)

W.K.Wilson, W.Benenson, D.A.Cebra, J.Clayton, S.Howden, J.Karn, T.Li, C.A.Ogilvie, A.Vander Molen, G.D.Westfall, J.S.Winfield, B.Young, A.Nadasen

Azimuthal Asymmetry in Ar + V Collisions from E/A = 35 to 85 MeV

NUCLEAR REACTIONS 51V(40Ar, X), E=35-85 MeV/nucleon; measured σ(fragment θ); deduced asymmetry mechanism.

doi: 10.1103/PhysRevC.41.R1881
Citations: PlumX Metrics


1989OG02      Phys.Rev. C40, 654 (1989)

C.A.Ogilvie, D.A.Cebra, J.Clayton, S.Howden, J.Karn, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Determination of the Impact Vector in Intermediate Energy Heavy Ion Collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=40-100 MeV/nucleon; calculated particle multiplicity, midrapidity charge. 12C(12C, X), E=50 MeV/nucleon; analyzed σ(fragment E, θ), Z=2. 51V(40Ar, X), E=35 MeV/nucleon; calculated midrapidity charge yields.

doi: 10.1103/PhysRevC.40.654
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1989OG03      Phys.Rev. C40, 2592 (1989)

C.A.Ogilvie, D.A.Cebra, J.Clayton, P.Danielewicz, S.Howden, J.Karn, A.Nadasen, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Transverse Collective Motion in Intermediate-Energy Heavy-Ion Collisions

NUCLEAR REACTIONS 51V(40Ar, X), E=35 MeV/nucleon; 12C(12C, X), E=50 MeV/nucleon; measured light charged particle fragment rapidities; deduced reaction mechanism, transverse collective motion evidence.

doi: 10.1103/PhysRevC.40.2592
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1989OG04      Phys.Lett. 231B, 35 (1989)

C.A.Ogilvie, D.A.Cebra, J.Clayton, P.Danielewicz, S.Howden, J.Karn, A.Nadasen, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Longitudinal Collective Motion in Intermediate-Energy Heavy-Ion Collisions

NUCLEAR REACTIONS 51V(40Ar, X), E=35 MeV/nucleon; 12C(12C, X), E=50 MeV/nucleon; measured light charged particles; deduced collective motion longitudinal component.

doi: 10.1016/0370-2693(89)90108-1
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1988FO03      Phys.Rev. C38, 146 (1988)

D.Fox, D.A.Cebra, J.Karn, C.Parks, A.Pradhan, A.Vander Molen, J.van der Plicht, G.D.Westfall, W.K.Wilson, R.S.Tickle

Angular Correlations Near the Fermi Energy

NUCLEAR REACTIONS 197Au(12C, X), C(12C, X), E=40, 50 MeV/nucleon; measured σ(θ, E), (particle)(particle)(θ) for light particle; deduced source temperature.

doi: 10.1103/PhysRevC.38.146
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1987FO08      Phys.Rev. C36, 640 (1987)

D.Fox, D.A.Cebra, J.Karn, C.Parks, G.D.Westfall, W.K.Wilson

In-Plane Light Particle Correlations in 40 MeV/Nucleon C + C, Ag, Au, and 50 MeV/Nucleon C + C Reactions

NUCLEAR REACTIONS C, Ag, 197Au(C, X), E=40 MeV/nucleon; C(C, X), E=50 MeV/nucleon; measured σ(fragment E, θ) for X=p, d, t, 3He, α; deduced moving source parameters.

doi: 10.1103/PhysRevC.36.640
Citations: PlumX Metrics


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