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NSR database version of April 27, 2024.

Search: Author = T.Armstrong

Found 30 matches.

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2004AR21      Phys.Rev. C 70, 024902 (2004)

T.A.Armstrong, and the E864 Collaboration

Production of 3ΛH and 4ΛH in central 11.5 GeV/c Au + Pt heavy ion collisions

NUCLEAR REACTIONS Pt(197Au, X), E at 11.5 GeV/c/nucleon; measured light hypernucleus production σ; deduced strange cluster coalescence features.

doi: 10.1103/PhysRevC.70.024902
Citations: PlumX Metrics


2004DU10      Eur.Phys.J. A 20, 97 (2004)

J.L.Durell, T.J.Armstrong, W.Urban

Two-quasiparticle bands in neutron-rich nuclei

NUCLEAR STRUCTURE 98Sr; analyzed levels, J, π, configurations, rotational bands.

doi: 10.1140/epja/i2002-10330-3
Citations: PlumX Metrics

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


2003DU25      Acta Phys.Pol. B34, 2277 (2003)

J.L.Durell, T.J.Armstrong, W.Urban

Two-quasiparticle bands in A = 100 region of neutron-rich nuclei

RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin. 102Zr deduced levels, J, π. 96,98Sr, 100Zr, 104,106Mo, 108,110,112Ru, 112Pd deduced two-quasiparticle bands.


2002AR02      Phys.Rev. C65, 014906 (2002)

T.A.Armstrong, and the E864 Collaboration

Production of Particle Unstable Light Nuclei in 11.5A GeV/c Au + Pt Heavy-Ion Collisions

NUCLEAR REACTIONS 197Pt(197Au, X), E at 11.5 GeV/c/nucleon; measured unstable Z=1-3 fragments yields, multiplicities. Comparison with thermal model predictions.

doi: 10.1103/PhysRevC.65.014906
Citations: PlumX Metrics


2001AR08      Phys.Rev. C63, 054903 (2001)

T.A.Armstrong, and the E864 Collaboration

Search for Strange Quark Matter Produced in Relativistic Heavy Ion Collisions

NUCLEAR REACTIONS Pt, Pb(197Au, X), E at 11.5 GeV/c/nucleon; measured neutral and charged strangelet production upper limits. Comparisons with model predictions.

doi: 10.1103/PhysRevC.63.054903
Citations: PlumX Metrics


2000AR06      Phys.Rev. C61, 064908 (2000)

T.A.Armstrong, and the E864 Collaboration

Measurements of Light Nuclei Production in 11.5A GeV/c Au + Pb Heavy-Ion Collisions

NUCLEAR REACTIONS 197Pt, 208Pb(197Au, X), E at 11.5 GeV/c/nucleon; measured A=1-7 fragments yields, rapidity and transverse momentum distributions, inverse slope parameters; deduced source features.

doi: 10.1103/PhysRevC.61.064908
Citations: PlumX Metrics


2000AR15      Phys.Rev.Lett. 85, 2685 (2000)

T.A.Armstrong, and the E864 Collaboration

Antideuteron Yield at the AGS and Coalescence Implications

NUCLEAR REACTIONS Pt(197Au, X), E at 11.5 GeV/c/nucleon; measured antiproton, antideuteron production σ vs transverse momentum; deduced coalescence parameter.

doi: 10.1103/PhysRevLett.85.2685
Citations: PlumX Metrics


2000GE12      Phys.Rev. D62, 052004 (2000)

S.Geer, J.Marriner, M.Martens, R.E.Ray, J.Streets, W.Wester, M.Hu, G.R.Snow, T.Armstrong, C.Buchanan, B.Corbin, M.Lindgren, T.Muller, R.Gustafson, and the APEX Collaboration

Search for Antiproton Decay at the Fermilab Antiproton Accumulator

doi: 10.1103/PhysRevD.62.052004
Citations: PlumX Metrics


1999AR09      Phys.Rev. C59, R1829 (1999)

T.A.Armstrong, and the E864 Collaboration

Search for Neutral Strange Quark Matter in High Energy Heavy Ion Collisions

NUCLEAR REACTIONS Pb(197Au, X), E at 11.6 GeV/c/nucleon; measured neutral strangelet production σ upper limit.

doi: 10.1103/PhysRevC.59.R1829
Citations: PlumX Metrics


1999AR10      Phys.Rev. C59, 2699 (1999)

T.A.Armstrong, and the E864 Collaboration

Antiproton Production and Antideuteron Production Limits in Relativistic Heavy Ion Collisions

NUCLEAR REACTIONS Pb(197Au, p-barX), (197Au, d-barX), E at 11.5 GeV/c/nucleon; measured antiproton invariant multiplicities, antideuteron production upper limit; deduced antihyperon/antiproton ratio.

doi: 10.1103/PhysRevC.59.2699
Citations: PlumX Metrics


1999AR24      Phys.Rev. C60, 064903 (1999)

T.A.Armstrong, and the E864 Collaboration

Measurements of Neutrons in 11.5A GeV/c Au + Pb Heavy-Ion Collisions

NUCLEAR REACTIONS Pb(197Au, X), E at 11.5 GeV/c/nucleon; measured neutron invariant multiplicity; deduced neutron-to-proton ratio at freeze-out.

doi: 10.1103/PhysRevC.60.064903
Citations: PlumX Metrics


1999AR26      Phys.Rev.Lett. 83, 5431 (1999)

T.A.Armstrong, and the E864 Collaboration

Mass Dependence of Light-Nucleus Production in Ultrarelativistic Heavy-Ion Collisions

NUCLEAR REACTIONS Pb, Pt(197Au, X), E at 11.5 GeV/c/nucleon; measured light nuclei invariant yields; deduced mass dependence, possible spin and binding energy dependences.

doi: 10.1103/PhysRevLett.83.5431
Citations: PlumX Metrics


1997AR21      Phys.Rev.Lett. 79, 3351 (1997)

T.A.Armstrong, and the E864 Collaboration

Antiproton Production in 11.5A GeV/c Au + Pb Nucleus-Nucleus Collisions

NUCLEAR REACTIONS Pb(197Au, X), E at 11.5 GeV/c/nucleon; measured antiproton invariant multiplicities vs transverse momentum, rapidity; deduced antihyperon production role. Other data considered.

doi: 10.1103/PhysRevLett.79.3351
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1997AR23      Phys.Rev.Lett. 79, 3612 (1997)

T.A.Armstrong, and the E864 Collaboration

Search for Charged Strange Quark Matter Produced in 11.5A GeV/c Au + Pb Collisions

NUCLEAR REACTIONS Pb(197Au, X), E at 11.5 GeV/c/nucleon; measured strangelet production σ upper limit.

doi: 10.1103/PhysRevLett.79.3612
Citations: PlumX Metrics


1997AR25      Nucl.Phys. A625, 494 (1997)

T.A.Armstrong, and the E864 Collaboration

Search for Exotic Strange Quark Matter in High Energy Nuclear Reactions

NUCLEAR REACTIONS Pb(197Au, X), E at 11.6 GeV/c/nucleon; measured exotic stranglet states production upper limits.

doi: 10.1016/S0375-9474(97)00399-0
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1997AR28      Phys.Rev. D56, 2509 (1997)

T.A.Armstrong, and the Fermilab E760 Collaboration

Two-Body Neutral Final States Produced in Antiproton-Proton Annihilations at 2.911 ≤ √ s ≤ 3.686 GeV

NUCLEAR REACTIONS 1H(p-bar, X), E(cm)=2.9-3.7 GeV; measured π0π0, ηπ0, ηη, π0γ, γγ final states σ(θ); deduced power law dependence.

doi: 10.1103/PhysRevD.56.2509
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1996AR11      Phys.Lett. 385B, 479 (1996)

T.A.Armstrong, and the Fermilab E760 Collaboration

Precision Measurements of Antiproton-Proton Forward Elastic Scattering Parameters in the 3.7 to 6.2 GeV/c Region

NUCLEAR REACTIONS 1H(p-bar, p-bar), E at 3.7-6.2 GeV/c; measured differential σ; deduced forward scattering parameters.

doi: 10.1016/0370-2693(96)01026-X
Citations: PlumX Metrics


1994GE02      Phys.Rev.Lett. 72, 1596 (1994)

S.Geer, J.Marriner, R.Ray, J.Streets, M.Lindgren, Th.Muller, J.Quackenbush, T.Armstrong, and the T861 Collaboration

Search for Antiproton Decay at the Fermilab Antiproton Accumulator

doi: 10.1103/PhysRevLett.72.1596
Citations: PlumX Metrics


1994SI30      Z.Phys. A347, 277 (1994)

A.A.Sibirtsev, T.A.Armstrong, C.Lam, R.A.Lewis, E.D.Minor, G.A.Smith

Fast Deuteron Production from Antiproton Annihilation at Rest on Carbon and Uranium Targets

NUCLEAR REACTIONS 12C, 238U(p-bar, d), E at rest; measured deuteron yields up to Ed < 120 MeV following annihilation. Coalescence model.

doi: 10.1007/BF01289795
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1993AR03      Phys.Rev. C47, 1957 (1993)

T.A.Armstrong, J.P.Bocquet, G.Ericsson, T.Johansson, T.Krogulski, R.A.Lewis, F.Malek, M.Maurel, E.Monnand, J.Mougey, H.Nifenecker, J.Passaneau, P.Perrin, S.M.Polikanov, M.Rey-Campagnolle, C.Ristori, G.A.Smith, G.Tibell

Fission of Heavy Hypernuclei Formed in Antiproton Annihilation

NUCLEAR REACTIONS 238U(p-bar, X), E at 105 MeV/c; measured hypernuclei yield, fission (fragment)(fragment)-coin; deduced fission hypernuclei T1/2.

doi: 10.1103/PhysRevC.47.1957
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1993AR20      Phys.Rev.Lett. 70, 1212 (1993)

T.A.Armstrong, and the E-760 Collaboration

Proton Electromagnetic Form Factors in the Timelike Region from 8.9 to 13.0 GeV

NUCLEAR REACTIONS 1H(p-bar, e-e+), E=high; measured invariant mass for events. 1H deduced electromagnetic form factors.

doi: 10.1103/PhysRevLett.70.1212
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1992AR27      Yad.Fiz. 55, 1568 (1992); Sov.J.Nucl.Phys. 55, 865 (1992)

T.Armstrong, D.Bettoni, V.Bharadwaj, C.Biino, G.Borreani, D.Broemmelsiek, A.Buzzo, R.Galabrese, A.Ceccucci, R.Cester, M.Church, P.Dalpiaz, P.F.Dalpiaz, R.Dibenedetto, D.Dimitroyannis, M.Fabbri, J.Fast, E.Ferroni, A.Gianoli, C.M.Ginsburg, K.Gollwitzer, A.Hahn, M.Hasan, S.Hsueh, R.Lewis, E.Luppi, M.Macri, A.M.Majewska, M.Mandelkern, F.Marchetto, M.Marinelli, J.Marques, W.Marsh, M.Martini, M.Masuzawa, E.Minechetti, A.Migliori, R.Mussa, S.Palestini, N.Pastrone, C.Patrignani, J.Peoples, Jr., L.Pesando, R.Petrucci, M.G.Pia, S.Pordes, P.Rapidis, R.Ray, J.Reid, G.Rinaudo, B.Roccuzzo, J.Rosen, A.Santroni, M.Sarmineto, M.Savrie, A.Scalisi, J.Schultz, K.Seth, A.Smith, G.A.Smith, M.Sozzi, S.Trokenheim, M.F.Weber, S.Werkema, Y.Zhang, J.Zhao, G.Zioulas

A New Measurement of the Proton Electromagnetic Form Factor in the Time-Like Region at High Energy

NUCLEAR REACTIONS 1H(p-bar, e-e+), E not given; measured (e+e-) opening angle σ(θ). 1H deduced electromagnetic form factor.


1992CH12      Phys.Rev. C45, 2332 (1992)

B.Chen, T.A.Armstrong, R.A.Lewis, R.Newton, G.A.Smith, J.P.Bocquet, F.Malek, H.Nifenecker, M.Maurel, E.Monnand, P.Perrin, C.Ristori, G.Ericsson, T.Johansson, G.Tibell, M.Rey-Campagnolle, S.Polikanov, T.Krogulski, J.Mougey

Neutron Yields and Angular Distributions Produced in Antiproton Annihilation at Rest in Uranium

NUCLEAR REACTIONS U(p-bar, F), E at rest; measured fission (fragment)n-coin, neutron yields; deduced fragment neutron emission mechanism.

doi: 10.1103/PhysRevC.45.2332
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1991GR22      Phys.Rev. D44, 1945 (1991)

N.A.Graf, M.Fero, M.Gee, M.Mandelkern, R.Ray, D.Schultz, J.Schultz, T.Usher, T.A.Armstrong, J.Biard, R.A.Lewis, S.M.Playfer, G.A.Smith, M.J.Soulliere, B.Bassalleck, D.M.Wolfe, P.Denes, G.Buche, L.Burcker, H.Koch, J.Schwertel, A.Angelopoulos, A.Apostolakis, H.Rozaki, L.Sakelliou

Search for Narrow States in the Inclusive γ-Ray Spectra Resulting from Antiproton Annihilations at Rest in Liquid Hydrogen and Deuterium

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; measured annihilation γ-spectra.

doi: 10.1103/PhysRevD.44.1945
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1990MI09      Z.Phys. A336, 461 (1990)

E.D.Minor, T.A.Armstrong, R.Bishop, V.Harris, R.A.Lewis, G.A.Smith

Charged Pion Spectra and Energy Transfer following Antiproton Annihilation at Rest in Carbon and Uranium

NUCLEAR REACTIONS C, U(p-bar, X), E at rest; measured charge pion multiplicities; deduced total energy yield. Intranuclear cascade model.


1988MU13      Phys.Rev. D38, 742 (1988)

G.S.Mutchler, J.Clement, J.Kruk, R.Moss, E.Hungerford, T.Kishimoto, B.Mayes, L.Pinsky, L.Tang, Y.Xu, B.Bassalleck, T.Armstrong, K.Hartman, A.Hicks, R.Lewis, W.Lochstet, G.A.Smith, D.Lowenstein, H.Poth, W.von Witsch, M.Furic

Measurement of the Imaginary Part of the I = 1 (N-Bar)N S-Wave Scattering Length

NUCLEAR REACTIONS 1H(p-bar, n-bar), E at 415 MeV/c; measured n-bar spectra; deduced (p)(n-bar) S-wave scattering length.

doi: 10.1103/PhysRevD.38.742
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1987CI08      Phys.Rev. C36, 1976 (1987)

S.Cierjacks, Y.Hino, F.Raupp, L.Buth, D.Filges, P.Cloth, T.W.Armstrong

Systematics of Angular-Dependent Neutron Production by 585 MeV Protons on Targets with 12 ≤ A ≤ 238: Differential cross section measurements

NUCLEAR REACTIONS, MECPD C, 27Al, Fe, 93Nb, In, Ta, Pb, U(p, xn), E=585 MeV; measured σ(θ(n), E(n)). Natural targets.

doi: 10.1103/PhysRevC.36.1976
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1987FI09      Phys.Rev. C36, 1988 (1987)

D.Filges, P.Cloth, T.W.Armstrong, S.Cierjacks, Y.Hino, F.Raupp, L.Buth

Systematics of Angular-Dependent Neutron Production by 585 MeV Protons on Targets with 12 ≤ A ≤ 238: Validation of intranuclear cascade-evaporation model calculations

NUCLEAR REACTIONS, MECPD C, 27Al, Fe, 93Nb, In, Ta, Pb, U(p, xn), E=585 MeV; analyzed σ(θ(n), E(n)). Intranuclear cascade model.

doi: 10.1103/PhysRevC.36.1988
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1984AR14      Nucl.Instrum.Methods 222, 540 (1984)

T.W.Armstrong, P.Cloth, D.Filges, R.D.Neef

A Comparison of High-Energy Fission Models

NUCLEAR REACTIONS 238U(p, F), E ≤ 3 GeV; calculated fission, nonelastic, neutron production σ(E). 238U(p, F), E=0.3, 1, 2.9 GeV; calculated fission fragment mass distribution. Different high energy fission models.

doi: 10.1016/0167-5087(84)90384-3
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1972AR09      Nucl.Phys. B41, 445 (1972)

T.A.Armstrong, W.R.Hogg, G.M.Lewis, A.W.Robertson, G.R.Brookes, A.S.Clough, J.H.Freeland, W.Galbraith, A.F.King, W.R.Rawlinson, N.R.S.Tait, J.C.Thompson, D.W.L.Tolfree

The Total Photon Deuteron Hadronic Cross Section in the Energy Range 0.265-4.215 GeV

NUCLEAR REACTIONS 2H(γ, n), (γ, p), E=0.265-4.215 GeV; measured σ for hadron production.

doi: 10.1016/0550-3213(72)90403-8
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Note: The following list of authors and aliases matches the search parameter T.Armstrong: , T.A.ARMSTRONG, T.J.ARMSTRONG, T.W.ARMSTRONG