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NSR database version of April 11, 2024.

Search: Author = C.Morris

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2022CU09      Phys.Rev. C 106, 065506 (2022)

C.Cude-Woods, F.M.Gonzalez, E.M.Fries, T.Bailey, M.Blatnik, N.B.Callahan, J.H.Choi, S.M.Clayton, S.A.Currie, M.Dawid, B.W.Filippone, W.Fox, P.Geltenbort, E.George, L.Hayen, K.P.Hickerson, M.A.Hoffbauer, K.Hoffman, A.T.Holley, T.M.Ito, A.Komives, C.-Y.Liu, M.Makela, C.L.Morris, R.Musedinovic, C.O'Shaughnessy, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Slutsky, V.Su, X.Sun, C.Swank, Z.Tang, W.Uhrich, J.Vanderwerp, P.Walstrom, Z.Wang, W.Wei, A.R.Young

Fill and dump measurement of the neutron lifetime using an asymmetric magneto-gravitational trap

RADIOACTIVITY 1NN(β-); measured number of trapped neutrons; deduced free neutron lifetime T1/2. Comparison to previous most precise experimental data. Asymmetric magneto-gravitational trap at Los Alamos Ultracold Neutron Facility.

doi: 10.1103/PhysRevC.106.065506
Citations: PlumX Metrics


2019CA17      Phys.Rev. C 100, 015501 (2019)

N.Callahan, C.-Y.Liu, F.Gonzalez, E.Adamek, J.D.Bowman, L.Broussard, S.M.Clayton, S.Currie, C.Cude-Woods, E.B.Dees, X.Ding, W.Fox, P.Geltenbort, K.P.Hickerson, M.A.Hoffbauer, A.T.Holley, A.Komives, S.W.T.MacDonald, M.Makela, C.L.Morris, J.D.Ortiz, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, Z.Tang, J.Vanderwerp, B.Vogelaar, P.L.Walstrom, Z.Wang, H.Weaver, W.Wei, J.Wexler, A.R.Young

Monte Carlo simulations of trapped ultracold neutrons in the UCNt experiment

RADIOACTIVITY 1n(β-); calculated neutron dynamics, trajectory and neutron detection rate in Ultra-cold neutron (UCN) magneto-gravitational neutron trap by developing an in-depth Monte Carlo model for the UCNτ experiments. Discussed implications of chaotic dynamics on controlling the systematic effects, such as spectral cleaning and microphonic heating, for a successful UCN lifetime experiment to reach 0.01% level of precision.

doi: 10.1103/PhysRevC.100.015501
Citations: PlumX Metrics


2018AN12      Eur.Phys.J. A 54, 148 (2018)

A.Anghel, T.L.Bailey, G.Bison, B.Blau, L.J.Broussard, S.M.Clayton, C.Cude-Woods, M.Daum, A.Hawari, N.Hild, P.Huffman, T.M.Ito, K.Kirch, E.Korobkina, B.Lauss, K.Leung, E.M.Lutz, M.Makela, G.Medlin, C.L.Morris, R.W.Pattie, D.Ries, A.Saunders, P.Schmidt-Wellenburg, V.Talanov, A.R.Young, B.Wehring, C.White, M.Wohlmuther, G.Zsigmond

Solid deuterium surface degradation at ultracold neutron sources

doi: 10.1140/epja/i2018-12594-2
Citations: PlumX Metrics


2018IT01      Phys.Rev. C 97, 012501 (2018)

T.M.Ito, E.R.Adamek, N.B.Callahan, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, X.Ding, D.E.Fellers, P.Geltenbort, S.K.Lamoreaux, C.-Y.Liu, S.MacDonald, M.Makela, C.L.Morris, R.W.Pattie, J.C.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Sjue, A.P.Sprow, Z.Tang, H.L.Weaver, W.Wei, A.R.Young

Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment

RADIOACTIVITY 1n(β-); measured cold neutron time of arrival (TOA) spectrum, UCN density, dUCNcounts normalized to the UCN monitor detector near the exit of the biological shield using upgraded ultracold neutron (UCN) source at Los Alamos National Laboratory. Discussed implication for a possible neutron electric dipole moment (EDM) experiment.

doi: 10.1103/PhysRevC.97.012501
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2018PA53      Science 360, 627 (2018)

R.W.Pattie, N.B.Callahan, C.Cude-Woods, E.R.Adamek, L.J.Broussard, S.M.Clayton, S.A.Currie, E.B.Dees, X.Ding, E.M.Engel, D.E.Fellers, W.Fox, P.Geltenbort, K.P.Hickerson, M.A.Hoffbauer, A.T.Holley, A.Komives, C.-Y.Liu, S.W.T.MacDonald, M.Makela, C.L.Morris, J.D.Ortiz, J.Ramsey, D.J.Salvat, A.Saunders, S.J.Seestrom, E.I.Sharapov, S.K.Sjue, Z.Tang, J.Vanderwerp, B.Vogelaar, P.L.Walstrom, Z.Wang, W.Wei, H.L.Weaver, J.W.Wexler, T.L.Womack, A.R.Young, B.A.Zeck

Measurement of the neutron lifetime using a magneto-gravitational trap and in situ detection

RADIOACTIVITY 1NN(β-); measured T1/2 of free neutron using ultracold neutrons stored in a magneto-gravitational trap at the Los Alamos Neutron Science Center UCN facility. Comparison with previous measurements.

doi: 10.1126/science.aan8895
Citations: PlumX Metrics


2018TA18      Phys.Rev.Lett. 121, 022505 (2018)

Z.Tang, M.Blatnik, L.J.Broussard, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, D.E.Fellers, E.M.Fries, P.Geltenbort, F.Gonzalez, K.P.Hickerson, T.M.Ito, C.-Y.Liu, S.W.T.MacDonald, M.Makela, C.L.Morris, C.M.O'Shaughnessy, R.W.Pattie, B.Plaster, D.J.Salvat, A.Saunders, Z.Wang, A.R.Young, B.A.Zeck

Search for the Neutron Decay n → X + γ, Where X is a Dark Matter Particle

RADIOACTIVITY 1NN(γ); measured decay products, Eγ, Iγ; deduced lack of the possibility of a sufficiently strong branch to explain the lifetime discrepancy with 97% confidence.

doi: 10.1103/PhysRevLett.121.022505
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2017SE02      Phys.Rev. C 95, 015501 (2017)

S.J.Seestrom, E.R.Adamek, D.Barlow, M.Blatnik, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, M.Hoffbauer, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, R.W.Pattie, J.Ramsey, A.Roberts, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, P.L.Walstrom, Z.Wang, J.Wexler, T.L.Womack, A.R.Young, J.Vanderwerp, B.A.Zeck

Total cross sections for ultracold neutrons scattered from gases

NUCLEAR REACTIONS 1H, 3He(n, n'), E=ultracold neutrons; measured scattered neutrons, transmission ratio as a function of pressure, total cross sections, total cross section as a function of the number of hydrogen atoms using the following gas targets: hydrogen, ethane, methane, isobutene, n-butane, ethylene, water vapor, propane, neopentane, isopropyl alcohol, and 3He; deduced cross section per hydrogen atom as a function of molecular mass. Relevance to ongoing experiments pn neutron half-life measurements using ultracold neutrons (UCN) at LANL facility.

doi: 10.1103/PhysRevC.95.015501
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2015SE18      Phys.Rev. C 92, 065501 (2015)

S.J.Seestrom, E.R.Adamek, D.Barlow, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, P.Geltenbort, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, J.Ramsey, A.Roberts, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, B.VornDick, P.L.Walstrom, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck, for the UCN|t Collaboration

Upscattering of ultracold neutrons from gases

NUCLEAR REACTIONS 1,2H, C, F, N, Ne, Ar, Xe(n, n'), E=UCNs from Los Alamos Neutron Science Center (LANSCE) ultracold neutron source; measured Eγ, Iγ, E(n), I(n), upscattered cross sections for room temperature gas targets of hydrogen, deuterium, nitrogen, neon, argon, xenon, C4H10, CF4, and air. Comparison with experimental values for higher neutron energies, and with theoretical calculations. Relevance to measurement of the half-life of free neutron decay at LANSCE using a magnetogravitational trap.

doi: 10.1103/PhysRevC.92.065501
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2014SA31      Phys.Rev. C 89, 052501 (2014)

D.J.Salvat, E.R.Adamek, D.Barlow, J.D.Bowman, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, P.Geltenbort, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, S.I.Penttila, J.Ramsey, A.Saunders, S.J.Seestrom, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, J.Vanderwerp, B.VornDick, P.L.Walstrom, Z.Wang, T.L.Womack, A.R.Young

Storage of ultracold neutrons in the magneto-gravitational trap of the UCNT experiment

RADIOACTIVITY 1n(β-); measured mean storage times of ultracold neutrons (UCN) in a magneto-gravitational trap at the LANSCE-LANL UCN source, with and without activation of the field; discussed half-life of neutron decay, and systematic effects.

doi: 10.1103/PhysRevC.89.052501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2013SH41      Phys.Rev. C 88, 037601 (2013)

E.I.Sharapov, C.L.Morris, M.Makela, A.Saunders, E.R.Adamek, Y.Bagdasarova, L.J.Broussard, C.B.Cude-Woods, D.E.Fellers, P.Geltenbort, S.I.Hasan, K.P.Hickerson, G.Hogan, A.T.Holley, C.-Y.Liu, M.P.Mendenhall, J.Ortiz, R.W.Pattie, D.G.Phillips, J.Ramsey, D.J.Salvat, S.J.Seestrom, E.Shaw, S.K.L.Sjue, W.E.Sondheim, B.VornDick, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck

Measurements of ultracold neutron upscattering and absorption in polyethylene and vanadium

NUCLEAR REACTIONS 1H, V(n, n'), (n, γ), E=ultracold neutrons; measured E(n), I(n), Eγ, Iγ, ultra-cold neutron (UCN) upscattering and capture σ at UCN facility of LANL. Application to nuclear and particle physics, cosmology and gravity.

doi: 10.1103/PhysRevC.88.037601
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14373.


2013SH46      Phys.Rev. C 88, 064605 (2013)

E.I.Sharapov, C.L.Morris, M.Makela, A.Saunders, E.R.Adamek, L.J.Broussard, C.B.Cude-Woods, D.E.Fellers, P.Geltenbort, M.Hartl, S.I.Hasan, K.P.Hickerson, G.Hogan, A.T.Holley, C.M.Lavelle, C.-Y.Liu, M.P.Mendenhall, J.Ortiz, R.W.Pattie, D.G.Phillips, J.Ramsey, D.J.Salvat, S.J.Seestrom, E.Shaw, S.Sjue, W.E.Sondheim, B.VornDick, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck

Upscattering of ultracold neutrons from the polymer [C6H12]n

NUCLEAR REACTIONS 1H(n, n'), E=ultracold; measured spectra and rates of upscattered neutrons up to 100 meV range, shapes of spectra at LANSCE-LANL facility; deduced similar density of states in polyethylene (PE) and polymethylpentene (PMP) samples. Analysis using MCNP computer code.

doi: 10.1103/PhysRevC.88.064605
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2012BO14      Phys.Rev.Lett. 109, 152501 (2012)

K.Borozdin, S.Greene, Z.Lukic, E.Milner, H.Miyadera, C.Morris, J.Perry

Cosmic Ray Radiography of the Damaged Cores of the Fukushima Reactors

doi: 10.1103/PhysRevLett.109.152501
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2010LA05      Phys.Rev. C 82, 015502 (2010)

C.M.Lavelle, C.-Y.Liu, W.Fox, G.Manus, P.M.McChesney, D.J.Salvat, Y.Shin, M.Makela, C.Morris, A.Saunders, A.Couture, A.R.Young

Ultracold-neutron production in a pulsed-neutron beam line

NUCLEAR REACTIONS 2H, 16O(n, n), E=ultracold; measured σ, γ-spectra, Bragg reflection spectra, low-temperature dependence on yield of ultracold neutrons. Liquid orthodeuterium and solid oxygen targets. Pulse-neutron incident beam.

doi: 10.1103/PhysRevC.82.015502
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2008CH14      Phys.Rev. C 77, 054002 (2008)

Q.Chen, C.R.Howell, T.S.Carman, W.R.Gibbs, B.F.Gibson, A.Hussein, M.R.Kiser, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, H.R.Setze, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whiteley, M.Whitton

Measurement of the neutron-neutron scattering length using the π-d capture reaction

NUCLEAR REACTIONS 2H(π-, nγ)n, E=20 MeV; measured neutron time-of-flight spectra, Eγ, Iγ, nγ-coin, neutron-neutron scattering length.

doi: 10.1103/PhysRevC.77.054002
Citations: PlumX Metrics


2007AT06      Phys.Rev.Lett. 99, 262502 (2007)

F.Atchison, B.Blau, K.Bodek, B.van den Brandt, T.Brys, M.Daum, P.Fierlinger, A.Frei, P.Geltenbort, P.Hautle, R.Henneck, S.Heule, A.Holley, M.Kasprzak, K.Kirch, A.Knecht, J.A.Konter, M.Kuzniak, C.-Y.Liu, C.L.Morris, A.Pichlmaier, C.Plonka, Y.Pokotilovski, A.Saunders, Y.Shin, D.Tortorella, M.Wohlmuther, A.R.Young, J.Zejma, G.Zsigmond

Cold Neutron Energy Dependent Production of Ultracold Neutrons in Solid Deuterium

NUCLEAR REACTIONS 2H(n, n), E=low; measured ultra cold neutron production cross sections.

doi: 10.1103/PhysRevLett.99.262502
Citations: PlumX Metrics


2005YA11      Phys.Lett. B 615, 193 (2005)

K.Yako, H.Sakai, M.B.Greenfield, K.Hatanaka, M.Hatano, J.Kamiya, H.Kato, Y.Kitamura, Y.Maeda, C.L.Morris, H.Okamura, J.Rapaport, T.Saito, Y.Sakemi, K.Sekiguchi, Y.Shimizu, K.Suda, A.Tamii, N.Uchigashima, T.Wakasa

Determination of the Gamow-Teller quenching factor from charge exchange reactions on 90Zr

NUCLEAR REACTIONS 90Zr(n, p), E=293 MeV; measured σ(E, θ); 90Zr(p, n), E=295 MeV; analyzed σ(E, θ); deduced Gamow-Teller strengths, quenching factor.

doi: 10.1016/j.physletb.2005.04.032
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22887.


2004SA45      Phys.Lett. B 593, 55 (2004)

A.Saunders, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, K.W.Jones, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, C.L.Morris, R.N.Mortensen, A.Pichlmaier, S.J.Seestrom, A.Serebrov, D.Smith, W.Teasdale, B.Tipton, R.B.Vogelaar, A.R.Young, J.Yuan

Demonstration of a solid deuterium source of ultra-cold neutrons

doi: 10.1016/j.physletb.2004.04.048
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2003AH09      Phys.Rev. C 68, 064004 (2003)

M.W.Ahmed, X.Cui, A.Empl, E.V.Hungerford, K.J.Lan, M.Youn, R.E.Chrien, R.Gill, P.Pile, A.Rusek, R.Sutter, J.Bjoraker, D.Dehnhard, J.M.O'Donnell, J.Gerald, H.Juengst, J.H.Liu, J.C.Peng, C.L.Morris, C.M.Riedel, H.A.Thiessen, D.Androic, I.Bertovic, M.Furic, T.Petkovic, M.Planinic, L.Tang, V.Zeps

Experimental study of the 12C(K-stopped, π0)12ΛB reaction

NUCLEAR REACTIONS 12C(K-, π0), E at rest; measured pion spectra; deduced hypernucleus production ground and excited state branching ratios. 12B deduced hyperon binding energy.

doi: 10.1103/PhysRevC.68.064004
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2002MO40      Phys.Rev.Lett. 89, 272501 (2002)

C.L.Morris, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, R.N.Mortensen, A.Pichlmaier, A.Saunders, S.J.Seestrom, D.Smith, W.Teasdale, B.Tipton, M.Utsuro, A.R.Young, J.Yuan

Measurements of Ultracold-Neutron Lifetimes in Solid Deuterium

doi: 10.1103/PhysRevLett.89.272501
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2001PA47      Phys.Lett. 523B, 1 (2001)

E.A.Pasyuk, R.L.Boudrie, P.A.M.Gram, C.L.Morris, J.D.Zumbro, J.L.Matthews, Y.Tan, V.V.Zelevinsky, G.Glass, B.J.Kriss

A Study of the Δ--Component of the Wave Function in Light Nuclei

NUCLEAR REACTIONS 3H, 4He, 6,7Li(π+, π+pX), (π+, π-pX), E=500 MeV; measured pion and proton spectra, σ. 3H, 4He, 6,7Li deduced Δ resonance component of wave function.

doi: 10.1016/S0370-2693(01)01329-6
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2000AL38      Yad.Fiz. 63, No 10, 1763 (2000); Phys.Atomic Nuclei 63, 1673 (2000)

V.Yu.Alexakhin, M.I.Gostkin, K.K.Gudima, M.P.Ivanov, A.Kugler, I.V.Kuznetsov, S.I.Merzlyakov, C.L.Morris, E.A.Pasyuk, Yu.E.Penionzhkevich, S.Yu.Porokhovoy, Yu.G.Sobolev, V.D.Toneev

Proton, Deuteron, and Triton Emission in 14N + Ag Interactions at an Energy of 52 MeV per Nucleon

NUCLEAR REACTIONS Ag(14N, X), E=52 MeV/nucleon; measured triton, deuteron, proton spectra, multiplicity distributions. Comparison with model predictions.

doi: 10.1134/1.1320136
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0776.


2000GI07      Phys.Rev. C61, 054615 (2000)

R.A.Giannelli, B.G.Ritchie, J.M.Applegate, E.Beck, J.Beck, A.O.Vanderpool, C.L.Morris, M.Rawool-Sullivan, M.K.Jones, R.D.Ransome, M.Yadav, D.L.Watson, K.O.Oganesjan, E.A.Pasyuk, F.F.Guber, A.I.Reshetin

Multiproton Final States in Positive Pion Absorption below the Δ(1232) Resonance

NUCLEAR REACTIONS 6Li, 12C, 27Al, 58Ni, 208Pb(π+, 2p), (π+, 3p), (π+, n2p), (π+, n3p), (π+, 4p), (π+, xp), E=30-135 MeV; measured proton spectra, σ, σ(θ); deduced mass, energy dependences, quasideuteron absorption contribution.

doi: 10.1103/PhysRevC.61.054615
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2000SN02      Nucl.Instrum.Methods Phys.Res. A440, 729 (2000)

W.M.Snow, A.Bazhenov, C.S.Blessinger, J.D.Bowman, T.E.Chupp, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, T.R.Gentile, G.L.Greene, G.Hansen, G.E.Hogan, S.Ishimoto, G.L.Jones, J.N.Knudson, E.Kolomenski, S.K.Lamoreaux, M.B.Leuschner, A.Masaike, Y.Masuda, Y.Matsuda, G.L.Morgan, K.Morimoto, C.L.Morris, H.Nann, S.I.Penttila, A.Pirozhkov, V.R.Pomeroy, D.R.Rich, A.Serebrov, E.I.Sharapov, D.A.Smith, T.B.Smith, R.C.Welsh, F.E.Wietfeldt, W.S.Wilburn, V.W.Yuan, J.Zerger

Measurement of the Parity Violating Asymmetry Aγ in n(pol) + p → d + γ

NUCLEAR REACTIONS 1H(polarized n, γ), E=low; calculated parity violation measurement systematic effects. Experiment proposal.

doi: 10.1016/S0168-9002(99)01071-2
Citations: PlumX Metrics


1999GA28      Phys.Rev. C60, 024604 (1999)

C.V.Gaulard, C.M.Riedel, J.R.Comfort, J.F.Amann, M.E.Beddo, R.L.Boudrie, G.R.Burleson, P.L.Cole, K.K.Craig, M.A.Espy, L.D.Isenhower, T.E.Kasprzyk, K.R.Knight, C.L.Morris, S.Penttila, D.Rigsby, M.E.Sadler, E.Six, H.M.Spinka, I.Supek, G.J.Wagner, Q.Zhao

Analyzing Powers for the π- p(pol) → π0n Reaction Across the Δ(1232) Resonance

NUCLEAR REACTIONS 1H(π-, π0), E=98.1, 138.8, 165.9, 214.4 MeV; measured Ay(θ). Polarized target, CsI neutral meson spectrometer.

doi: 10.1103/PhysRevC.60.024604
Citations: PlumX Metrics


1999KR03      Phys.Rev. C59, 1480 (1999)

B.J.Kriss, S.Hoibraten, M.D.Holcomb, M.D.Kohler, J.J.Kraushaar, S.Parry, R.A.Ristinen, A.Saunders, W.R.Smythe, C.L.Morris, M.Rawool-Sullivan, R.M.Whitton, J.T.Brack, E.F.Gibson, J.L.Langenbrunner

Pion-Proton Integral Cross Sections at Tπ = 40 to 284 MeV

NUCLEAR REACTIONS 1H(π+, π+), E=39.8-283.9 MeV; 1H(π-, π-), E=80-283.9 MeV; measured integral σ for 30° ≤ θ ≤ 180°. Comparison with phase shift predictions.

doi: 10.1103/PhysRevC.59.1480
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1999ZH22      Phys.Rev. C60, 024001 (1999)

Q.Zhao, G.Burleson, S.Blanchard, T.Chang, W.Gibbs, J.Haas, B.Park, M.Whitton, M.Espy, D.Dehnhard, B.Larson, J.O'Donnell, M.Palarczyk, W.Cummings, P.Delheij, O.Hausser, E.Pasyuk, M.Gostkin, J.Amann, R.Boudrie, C.Riedel, C.Morris, S.Pentilla, D.Swenson, D.Tupa, J.Comfort, C.Gaulard, K.Maeda, G.Glass, I.Supek

Measurements of Asymmetries of Pion Single Charge Exchange on Polarized 3He at 200 MeV

NUCLEAR REACTIONS 3He(π-, π0), E=200 MeV; measured triton, neutral pion spectra, σ(θ), Ay(θ); deduced small contributions from SS' and SD overlaps. Polarized target. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.60.024001
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1998AL08      Phys.Rev. C57, 2409 (1998)

V.Yu.Alexakhin, S.I.Gogolev, M.Kh.Khankhasayev, Zh.B.Kurmanov, K.O.Oganesyan, E.A.Pasyuk, C.L.Morris, J.M.O'Donnell, M.W.Rawool-Sullivan, M.K.Jones, F.F.Guber, A.I.Reshetin

π+ + 12C Elastic Scattering between 18 and 44 MeV

NUCLEAR REACTIONS 12C(π+, π+), E=18.8-43.5 MeV; measured σ(θ); deduced excitation functions, D-wave role. Unitary scattering theory calculations.

doi: 10.1103/PhysRevC.57.2409
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1998BL06      Phys.Lett. 421B, 71 (1998)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.K.Jones, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, K.Merle, C.L.Morris, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, R.D.Ransome, A.W.Richter, B.G.Ritchie, A.Rokavec, G.Rosner, J.Ryckebusch, P.Sauer, S.Schardt, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf, M.K.Yadav

Investigation of Short-Range Nucleon-Nucleon Correlations using the Reaction 12C(e, e'pp) in Close to 4π Geometry

NUCLEAR REACTIONS 12C(e, e'2p), E=705 MeV; measured nine-fold σ(E, θ), missing momentum spectra; deduced short-range nucleon-nucleon correlations.

doi: 10.1016/S0370-2693(98)00024-0
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1998HO24      Phys.Lett. 444B, 252 (1998)

C.R.Howell, Q.Chen, T.S.Carman, A.Hussein, W.R.Gibbs, B.F.Gibson, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whitley, M.Whitton

Toward a Resolution of the Neutron-Neutron Scattering-Length Issue

NUCLEAR REACTIONS 2H(π-, nγ), E not given; measured En, nγ(θ); deduced neutron-neutron scattering length. TOF.

doi: 10.1016/S0370-2693(98)01386-0
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1998MO09      Phys.Lett. 419B, 25 (1998)

C.L.Morris, J.D.Zumbro, J.A.McGill, S.J.Seestrom, R.M.Whitton, C.M.Reidel, A.L.Williams, M.R.Braunstein, M.D.Kohler, B.J.Kriss, S.Hoibraten, J.Ouyang, R.J.Peterson, J.E.Wise

Evidence for Δ+ Components in Nuclei

NUCLEAR REACTIONS 12,13C, 90Zr, 208Pb(π+, π+p), (π+, π-p), E=500 MeV; measured σ(DCX)/σ(NCX); deduced nuclear wave function Δ+ components.

doi: 10.1016/S0370-2693(97)01453-6
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1998PA31      Acta Phys.Pol. B29, 2335 (1998)

E.A.Pasyuk, C.L.Morris, J.L.Ullman, J.D.Zumbro, L.W.Kwok, J.L.Matthews, Y.Tan

A Search for Δ- and Δ++ Wave-Function Components in Light Nuclei using the (π+, π-p) and (n, 2p) Reactions

NUCLEAR REACTIONS 3H, 4He, 6,7Li(π+, π-p), (π+, π+p), E=500 MeV; 3He(n, 2p), E=200-500 MeV; measured pion, proton spectra. 3H, 4He, 6,7Li deduced Δ wavefunction components.


1998TO06      Nucl.Phys. A631, 421c (1998)

W.Tornow, T.S.Carman, Q.Chen, W.R.Gibbs, B.F.Gibson, D.E.Gonzalez Trotter, C.R.Howell, A.H.Hussein, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, D.Schmidt, H.R.Setze, I.Slaus, S.Sterbenz, H.Tang, R.L.Walter, C.R.Whitley, H.Witala, Z.Zhou

Scattering Length Measurements from Radiative Pion Capture and Neutron-Deuteron Breakup

NUCLEAR REACTIONS 2H(π-, 2n), E not given; 2H(n, np), E=13 MeV; measured nn, np scattering lengths; deduced no three-nucleon force effects.

doi: 10.1016/S0375-9474(98)00040-2
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1997ES05      Phys.Rev. C56, 2607 (1997)

M.A.Espy, J.M.O'Donnell, B.Davis, D.Dehnhard, J.L.Langenbrunner, B.Larson, M.Palarczyk, C.M.Riedel, K.Wick, S.Blanchard, G.R.Burleson, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, O.Hausser, R.Henderson, D.Thiessen, E.Brash, M.K.Jones, B.Brinkmoller, K.Maeda, F.Merrill, C.L.Morris, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov

Asymmetries for Elastic Scattering of π- from Polarized 3He atΔ Resonance Energies

NUCLEAR REACTIONS 3He(π+, π+), E=142, 180, 256 MeV; 3He(π-, π-), E=180 MeV; measured σ(θ); deduced asymmetries, Δ-n spin-spin interaction. Optically pumped spin polarized target, large acceptance spectrometer. Model comparisons.

doi: 10.1103/PhysRevC.56.2607
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1997KA22      Phys.Rev. C55, 2533 (1997)

G.Kahrimanis, G.Burleson, C.M.Chen, B.C.Clark, K.Dhuga, D.J.Ernst, J.A.Faucett, H.T.Fortune, S.Hama, A.Hussein, M.F.Jiang, K.W.Johnson, L.Kurth Kerr, S.Mathews, J.McGill, C.F.Moore, S.Mordechai, C.L.Morris, J.O'Donnell, M.Snell, M.Rawool-Sullivan, L.Ray, C.Whitley, A.L.Williams

Pion-Nucleus Elastic Scattering on 12C, 40Ca, 90Zr, and 208Pb at 400 and 500 MeV

NUCLEAR REACTIONS 12C, 40Ca, 208Pb(π+, π+), (π-, π-), E=400, 500 MeV; 90Zr(π+, π+), E=400, 500 MeV; 90Zr(π-, π-), E=400 MeV; measured σ(θ). 208Pb(π+, π+), (π-, π-), E=662.7 MeV; 40Ca(π+, π+), (π-, π-), 12C(π+, π+), E=672.5 MeV; 12C(π-, π-), E=672.5, 486.2 MeV; analyzed σ(θ). Impulse approximation approach.

doi: 10.1103/PhysRevC.55.2533
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1997OF01      Phys.Rev. C55, 1295 (1997)

B.G.Ofenloch, R.A.Giannelli, B.G.Ritchie, J.M.O'Donnell, J.N.Knudson, C.L.Morris, C.M.Kormanyos, A.Saunders, J.Z.Williams, R.A.Lindgren, B.L.Clausen

Pion-Nucleus Spin-Flip Strength at Low and Resonance Energies

NUCLEAR REACTIONS 10B(π+, π+'), E=65 MeV; measured σ(θ). 10B deduced isovector spin-flip strength parameter, B(λ). Other data analyzed.

doi: 10.1103/PhysRevC.55.1295
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1997PA01      Phys.Rev. C55, 1026 (1997)

E.A.Pasyuk, V.Yu.Alexakhin, S.I.Gogolev, K.O.Oganesyan, C.L.Morris, J.M.O'Donnell, M.W.Rawool-Sullivan, M.K.Jones, F.F.Guber, A.I.Reshetin, I.I.Strakovsky

π+ + d → p + p Reaction between 18 and 44 MeV

NUCLEAR REACTIONS 2H(π+, 2p), E=18-44 MeV; measured σ(E), σ(θ). Partial wave analysis.

doi: 10.1103/PhysRevC.55.1026
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1996ES04      Phys.Rev.Lett. 76, 3667 (1996)

M.A.Espy, D.Dehnhard, C.M.Edwards, M.Palarczyk, J.L.Langenbrunner, B.Davis, G.R.Burleson, S.Blanchard, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, R.Henderson, O.Hausser, D.Thiessen, E.Brash, M.K.Jones, B.Larson, B.Brinkmoller, K.Maeda, C.L.Morris, J.M.O'Donnell, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov

Asymmetries for Elastic Scattering of π+ from Polarized 3He and the Δ-Neutron Spin-Spin Interaction

NUCLEAR REACTIONS 3He(π+, π+), E=142-256 MeV; measured energy spectra, asymmetry vs θ; deduced Δ-n spin-spin interaction role. Polarized target.

doi: 10.1103/PhysRevLett.76.3667
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1996FO02      Phys.Rev. C53, R2033 (1996)

K.Fohl, B.M.Barnett, R.Bilger, H.Clement, S.Krell, G.J.Wagner, J.Jaki, C.Joram, W.Kluge, M.Metzler, R.Wieser, R.L.Boudrie, C.L.Morris, R.Abela, F.Foroughi, D.Renker

Low-Energy Pionic Double Charge Exchange on the ββ-Instable Nuclei 128,130Te

NUCLEAR REACTIONS 128,130Te(π+, π-), E=48 MeV; measured σ(E, θ); deduced implications to 128,130Te(2β-decay). 128,130Xe deduced ground, IAS state transitions.

doi: 10.1103/PhysRevC.53.R2033
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1996LA04      Phys.Rev. C53, 1167 (1996)

C.M.Laymon, W.Amos, M.G.Burlein, H.T.Fortune, T.Ekenberg, A.Kotwal, J.M.O'Donnell, J.D.Silk, J.D.Zumbro, C.L.Morris, S.J.Seestrom, K.S.Dhuga, R.Garnett, M.W.Rawool-Sullivan, C.F.Moore, S.L.Morris, D.L.Watson

Pion Elastic and Inelastic 2+1 Scattering on 58,60,62,64Ni at T(π) = 180 MeV

NUCLEAR REACTIONS 58,60,62,64Ni(π+, π+), (π+, π+'), (π-, π-), (π-, π-'), E=180 MeV; measured σ(θ); deduced nucleon radii, deformation parameters. 58,60,62,64Ni levels deduced neutron, proton matrix elements.

doi: 10.1103/PhysRevC.53.1167
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1996OA01      Phys.Rev. C53, 689 (1996)

D.S.Oakley, R.J.Peterson, C.L.Morris, H.T.Fortune

Anomalous Angular Distributions in Pion and α Particle Scattering to the 2+2 State of 52Cr

NUCLEAR REACTIONS 52Cr(π+, π+'), (π-, π-'), E=180 MeV; measured σ(θ). 52Cr(α, α'), E=42 MeV; analyzed σ(θ). 52Cr level deduced no definitive configurational based reason for anomaly. DWBA analysis.

doi: 10.1103/PhysRevC.53.689
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1996SA08      Phys.Rev. C53, 1745 (1996)

A.Saunders, S.Hoibraten, J.J.Kraushaar, B.J.Kriss, R.J.Peterson, R.A.Ristinen, J.T.Brack, G.Hofman, E.F.Gibson, C.L.Morris

Reaction and Total Cross Sections for Low Energy π+ and π- on Isospin Zero Nuclei

NUCLEAR REACTIONS 2H, 6Li, C, 27Al, Si, S, Ca(π+, X), (π-, X), E=42-65 MeV; measured total, reaction σ. Model comparisons.

doi: 10.1103/PhysRevC.53.1745
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1995BU01      Phys.Rev. C51, 88 (1995)

M.Burlein, H.T.Fortune, W.M.Amos, T.L.Ekenberg, A.Kotwal, P.H.Kutt, J.M.O'Donnell, J.D.Silk, B.Boyer, A.Fuentes, K.Johnson, C.F.Moore, S.H.Yoo, S.Mordechai, C.L.Morris, J.D.Zumbro, D.L.Watson, K.S.Dhuga

Pion Inelastic Scattering to Low-Lying Positive-Parity States in 20Ne

NUCLEAR REACTIONS 20Ne(π+, π+'), E=120, 180 MeV; 20Ne(π-, π-'), E=180 MeV; measured σ(θ). Coupled-channels analysis.

doi: 10.1103/PhysRevC.51.88
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1995PA05      Phys.Rev. C51, R1613 (1995)

H.T.Park, J.L.Matthews, S.F.Pate, J.F.Amann, C.L.Morris, R.M.Whitton, E.R.Kinney, C.Mertz, J.Redmon

Pion-Induced Single Charge Exchange in Deuterium

NUCLEAR REACTIONS 2H(π-, π0), E=164, 263, 371 MeV; measured σ(θ), σ(E(π0), σ(π0)); deduced dominance of quasifree, multiple scatterings. Pauli blocking, 60 CsI crystal array.

doi: 10.1103/PhysRevC.51.R1613
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1995SI01      Phys.Rev. C51, 665 (1995)

J.D.Silk, M.Burlein, H.T.Fortune, E.Insko, M.Kagarlis, P.H.Kutt, J.M.O'Donnell, J.D.Zumbro, J.A.Faucett, R.Garnett, M.W.Rawool-Sullivan, C.L.Morris, S.Saini

Nonanalog 40,44Ca(π+, π-)40,44Ti(g.s.) Reactions at Low Energy

NUCLEAR REACTIONS 40,44Ca(π+, π-), E=32-79.26 MeV; measured σ(θ); deduced core polarization, cross shell transitions role.

doi: 10.1103/PhysRevC.51.665
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1994RA02      Phys.Rev. C49, 627 (1994)

M.W.Rawool-Sullivan, C.L.Morris, J.M.O'Donnell, R.M.Whitton, B.K.Park, G.R.Burleson, D.L.Watson, J.Johnson, A.L.Williams, D.A.Smith, D.J.Ernst, C.M.Chen

Pion Elastic Scattering on 28Si at T(π) = 400 MeV

NUCLEAR REACTIONS 28Si(π+, π+), (π-, π-), E=400 MeV; measured σ(θ), σ(E(π), θ(π)). Momentum-space first-order optical model.

doi: 10.1103/PhysRevC.49.627
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1994YE06      Phys.Rev. C50, 897 (1994)

Y.-F.Yen, B.Brinkmoller, D.Dehnhard, M.A.Franey, S.M.Sterbenz, Y.-J.Yu, B.Berman, G.R.Burleson, K.Cranston, A.Klein, G.S.Kyle, R.Alarcon, T.Averett, J.R.Comfort, J.J.Gorgen, B.G.Ritchie, J.R.Tinsley, M.Barlett, G.W.Hoffmann, K.Johnson, C.F.Moore, M.Purcell, H.Ward, A.Williams, J.A.Faucett, S.J.Greene, J.J.Jarmer, J.A.McGill, C.L.Morris, S.I.Penttila, N.Tanaka, H.T.Fortune, E.Insko, R.Ivie, J.M.O'Donnell, D.Smith, M.A.Khandaker, S.Chakravarti

Pion Elastic Scattering from Polarized 13C in the Energy Region of the P33 Resonance

NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), E=130-180 MeV; 13C(π+, π+), E=223 MeV; 13C(π-, π-), E=226 MeV; measured analyzing power A(y)(θ), σ(θ); deduced spin-flip transition quadrupole component role. Polarized, unpolarized target. DWIA calculations, optical, Δ-hole models.

doi: 10.1103/PhysRevC.50.897
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1993BE34      Phys.Rev. C48, 1428 (1993)

D.P.Beatty, G.R.Burleson, M.Rawool-Sullivan, M.El-Ghossain, H.T.Fortune, A.L.Williams, D.A.Smith, C.L.Morris, R.Garnett, D.L.Watson, J.Johnson, H.Ward, C.Whitley, S.K.Matthews, M.Palarczyk, C.Edwards, M.Espy, O.Hashimoto, H.Tomoyuki

Pion Double Charge Exchange on 16O at T(π) = 300-500 MeV

NUCLEAR REACTIONS 16O(π+, π-), E=300-500 MeV; measured σ(θ) vs E; deduced reaction mechanism.

doi: 10.1103/PhysRevC.48.1428
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1993GR03      Phys.Rev. C47, 1466 (1993)

Y.Grof, N.Auerbach, D.Benton, H.T.Fortune, K.Johnson, M.A.Kagarlis, G.Kahrimanis, S.Mordechai, C.L.Morris, J.M.O'Donnell, I.Orion, D.Saunders, D.A.Smith, H.Ward, C.F.Moore

Double Giant Resonances in Pion Double Charge Exchange on 51V, 115In, and 197Au

NUCLEAR REACTIONS 51V, 115In, 197Au(π+, π-), E=295 MeV; measured σ(θ, E(π)), σ(θ). 51Mn, 197Tl, 115Sb deduced GDR, double IAS excitation, Γ.

doi: 10.1103/PhysRevC.47.1466
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1993JO03      Phys.Rev. C47, 2571 (1993)

J.D.Johnson, G.R.Burleson, C.Edwards, M.El'Ghossain, M.A.Espy, R.Garnett, A.Hussein, K.Johnson, C.F.Moore, C.L.Morris, J.M.O'Donnell, M.Palarczyk, M.Rawool-Sullivan, H.Ward, D.Watson, C.Whitley, A.L.Williams

Search for an (Eta) Bound State in Pion Double Charge Exchange on 18O

NUCLEAR REACTIONS 18O(π+, π-), E=350-440 MeV; measured missing mass spectra, σ(θ) vs E; deduced no structure near eta production threshold.

doi: 10.1103/PhysRevC.47.2571
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1993JO11      Phys.Rev. C48, 2800 (1993)

M.K.Jones, R.D.Ransome, V.R.Cupps, R.W.Fergerson, C.L.Morris, J.A.McGill, J.D.Zumbro, J.R.Comfort, B.G.Ritchie, J.R.Tinsley, P.C.Gugelot, C.F.Moore

Pion Absorption Above the Δ(1232) Resonance

NUCLEAR REACTIONS 12C, 58Ni, 90Zr, 118Sn, 208Pb(π+, xp), E=250-500 MeV; measured σ vs missing energy for x=2, 3; deduced total absorption σ.

doi: 10.1103/PhysRevC.48.2800
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1993JO16      Ann.Rev.Nucl.Part.Sci. 43, 165 (1993)

M.B.Johnson, C.L.Morris

Pion Double Charge Exchange in Nuclei

NUCLEAR REACTIONS 12,13,14C, 18O, 26Mg, 27Al, 32S, 40,42,44,48Ca, 51V, 56Fe, 59Co, 80Se, 93Nb, 115In, 138Ba, 197Au, 208Pb(π+, π-), E<600 MeV; analyzed available data deduced σ(θ), properties of giant resonances.

doi: 10.1146/annurev.ns.43.120193.001121
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1993KO17      Phys.Rev. C48, 250 (1993)

C.M.Kormanyos, R.J.Peterson, J.Applegate, J.Beck, T.D.Averett, B.G.Ritchie, C.L.Morris, J.McGill, D.S.Oakley

Low-Energy Pion Scattering to 1- States in 12C

NUCLEAR REACTIONS 12C(π+, π+'), (π-, π-'), E=40, 50, 65 MeV; measured σ(θ). 12C deduced level energies, Γ, sum rule strengths. DWIA analysis.

doi: 10.1103/PhysRevC.48.250
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1993LA18      Nucl.Instrum.Methods Phys.Res. A325, 187 (1993)

J.Langenbrunner, M.B.Barakat, E.V.Hungerford III, C.T.Pillai, N.Tanaka, H.A.Thiessen, L.J.Rybarcyk, K.W.Jones, D.B.Barlow, J.B.McClelland, D.C.Dressman, S.C.Piltch, D.N.Mihailidis, J.B.Donahue, C.L.Morris, R.D.Werbeck

Pion Production at Small Angles

NUCLEAR REACTIONS C, Cu(p, xπ+), (p, xπ-), E=800 MeV; measured pion production σ. Tof techniques.

doi: 10.1016/0168-9002(93)91020-N
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1993MO27      Acta Phys.Pol. B24, 1659 (1993)

C.L.Morris, J.M.O'Donnell, J.D.Zumbro

Pion Scattering at Energies Above the Δ Resonance

NUCLEAR REACTIONS 12C(π+, π+), (π-, π-), E=180-673 MeV; analyzed σ(θ). 12C, 208Pb(π+, π+X), (π-, π-X), E=500 MeV; compiled, reviewed data, analyses; deduced virtual Δ-components measuring possibility.


1993SM01      Phys.Rev. C47, 1053 (1993)

D.A.Smith, H.T.Fortune, J.M.O'Donnell, J.D.Silk, B.Gluckman, R.Crittenden, N.Claytor, C.L.Morris, J.A.McGill

Pion Double Charge Exchange on 56Fe at T(π) = 400 MeV

NUCLEAR REACTIONS 56Fe(π+, π-), E=400 MeV; measured σ(θ). 56Ni deduced double dipole resonance components J, π, excitation σ.

doi: 10.1103/PhysRevC.47.1053
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1993WA02      Phys.Rev. C47, 687 (1993)

H.Ward, J.M.Applegate, N.Auerbach, J.Beck, J.Johnson, K.Koch, C.F.Moore, S.Mordechai, C.L.Morris, J.M.O'Donnell, M.Rawool-Sullivan, B.G.Ritchie, D.L.Watson, C.Whitley

Systematics of the Double Isobaric Analog State Cross Section at 50 MeV

NUCLEAR REACTIONS 44Ca, 56Fe, 93Nb(π+, π-), E=50 MeV; measured σ(θ, E(π)); deduced short range component of effective double charge exchange operator. 93Tc level deduced isospin mixing mechanism role in excitation.

doi: 10.1103/PhysRevC.47.687
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1993WA07      Phys.Rev.Lett. 70, 3209 (1993)

H.Ward, J.Johnson, K.Johnson, S.Greene, Y.Grof, C.F.Moore, S.Mordechai, C.L.Morris, J.M.O'Donnell, C.Whitley

Energy Dependence of Double Giant Resonances in Pion Double Charge Exchange

NUCLEAR REACTIONS 13C(π+, π-), E=140-295 MeV; measured σ(θ) vs E. 13O deduced levels, Γ, configuration.

doi: 10.1103/PhysRevLett.70.3209
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1993WI15      Phys.Rev. C48, 1840 (1993)

J.E.Wise, M.R.Braunstein, S.Hoibraten, M.D.Kohler, B.J.Kriss, J.Ouyang, R.J.Peterson, J.A.McGill, C.L.Morris, S.J.Seestrom, R.M.Whitton, J.D.Zumbro, C.M.Edwards, A.L.Williams

Quasifree Pion Scattering at 500 MeV

NUCLEAR REACTIONS C(π+, π+), (π-, π-), E=500 MeV; measured σ(θ) vs energy loss, σ(θ). Ca, Zr, Pb(π+, π+), (π-, π-), E=500 MeV; measured σ(θ); deduced surface single nucleon knockout evidence.

doi: 10.1103/PhysRevC.48.1840
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1993ZU01      Phys.Rev.Lett. 71, 1796 (1993)

J.D.Zumbro, C.L.Morris, J.A.McGill, S.J.Seestrom, R.M.Whitton, C.M.Edwards, A.L.Williams, M.R.Braunstein, M.D.Kohler, B.J.Kriss, S.Hoibraten, R.J.Peterson, J.Ouyang, J.E.Wise, W.R.Gibbs

Inclusive Scattering of 500-MeV Pions from Carbon

NUCLEAR REACTIONS C(π+, π+X), (π-, π-X), E=500 MeV; measured inclusive σ(θ, E(π)); deduced comparison with (e, e'X).

doi: 10.1103/PhysRevLett.71.1796
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1992BA03      Phys.Rev. C45, 293 (1992)

D.B.Barlow, B.M.K.Nefkens, C.Pillai, J.W.Price, I.Slaus, M.J.Wang, J.A.Wightman, K.W.Jones, M.J.Leitch, C.S.Mishra, C.L.Morris, J.-C.Peng, P.K.Teng, J.M.Tinsley

3He and 4He Production by 800 MeV Protons from 12C, Ti, and Pb at Forward Angles

NUCLEAR REACTIONS 12C, Ti, Pb(p, X)3He/4He, E=800 MeV; measured σ(θ) vs momentum for 4,3He; deduced 3,4He production σ ratio, reaction mechanism.

doi: 10.1103/PhysRevC.45.293
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetT0155.


1992HI01      Phys.Rev. C45, 601 (1992)

N.M.Hintz, X.H.Yang, M.Gazzaly, S.J.Seestrom-Morris, C.L.Morris, D.C.Cook, A.M.Mack, J.W.McDonald, S.Mordechai, D.S.Oakley, C.F.Moore, M.Lynker, J.D.Zumbro

Determination of Neutron and Proton Multipole Matrix Elements in 208Pb from π- and π+ Scattering at 180 MeV

NUCLEAR REACTIONS 208Pb(π+, π+), (π+, π+'), (π-, π-'), (π-, π-), E=180 MeV; measured σ(θ). 208Pb levels deduced neutron, proton multipole matrix elements.

doi: 10.1103/PhysRevC.45.601
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1992HO08      Phys.Rev. C46, 499 (1992)

D.J.Horen, C.L.Morris, S.J.Seestrom, F.W.Hersman, J.R.Calarco, M.Holtrop, M.Leuschner, M.Rawool-Sullivan, R.W.Garnett, S.J.Greene, M.A.Plum, J.D.Zumbro

Isospin Character of the Transition to the 0.803-MeV State in 206Pb from π± Scattering at 180 MeV

NUCLEAR REACTIONS 206Pb(π+, π+), (π+, π+'), (π-, π-), (π-, π-'), E=180 MeV; measured missing mass spectra, σ(θ). 206Pb deduced neutron, proton matrix elements ratio for quadrupole, octupole transitions. Deformed optical model, DWIA analyses.

doi: 10.1103/PhysRevC.46.499
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1992JO01      Phys.Lett. 278B, 419 (1992)

M.K.Jones, B.G.Ritchie, C.L.Morris, R.D.Ransome, J.A.McGill, D.L.Watson, C.F.Moore, D.Clayton, K.Pujara, I.Brown, P.Campbell

Energy Dependence of the Total 12C(π+, 2p) Cross Section

NUCLEAR REACTIONS 12C(π+, 2p), E=19-140 MeV; measured absorption σ(E); deduced energy dependence. Large solid angle bismuth germanate multi-element detection system.

doi: 10.1016/0370-2693(92)90578-R
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1992JO03      Phys.Rev. C46, 52 (1992)

M.K.Jones, D.Dehnhard, S.K.Nanda, S.M.Sterbenz, C.L.Morris, M.Plum, J.D.Zumbro, A.H.Hussein, D.S.Oakley, M.J.Smithson, A.L.Williams, J.McDonald, M.A.Bryan, A.H.Fuentes, M.Lynker, D.Crockett, M.A.Machuca, S.Mordechai, C.F.Moore

4He(π, π'p)3H Reaction Near the P33 π-Nucleon Resonance

NUCLEAR REACTIONS 4He(π+, π+'p), (π-, π-'p), E=140, 180 MeV; measured σ(θ(π'), σ(p)) vs excitation energy; deduced reaction mechanisms.

doi: 10.1103/PhysRevC.46.52
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1992LA17      Phys.Rev.Lett. 69, 1508 (1992)

J.Langenbrunner, M.K.Jones, D.Dehnhard, C.L.Morris, W.R.Gibbs

Evidence for Direct Triton Knockout in the 4He(π, π't)p Reaction

NUCLEAR REACTIONS 4He(π+, π+t), (π-, π-t), E=180 MeV; measured σ(θ(π), θ(p)); deduced direct triton knockout mechanism role.

doi: 10.1103/PhysRevLett.69.1508
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1992OD01      Phys.Rev. C46, 2259 (1992)

J.M.O'Donnell, H.T.Fortune, J.D.Silk, S.Mordechai, C.L.Morris, J.D.Zumbro, S.H.Yoo, C.F.Moore

T = 13 Double Isobaric Analog State in 138Ce via Pion-Induced Double Charge Exchange

NUCLEAR REACTIONS 138Ba(π+, π-), E=292 MeV; measured pion spectra, σ(θ); deduced Q. 138Ce deduced double IAS excitation. Systematics, isobaric multiplet mass equation comparisons.

doi: 10.1103/PhysRevC.46.2259
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1992OD02      Nucl.Instrum.Methods Phys.Res. A317, 445 (1992)

J.M.O'Donnell, J.Davis, R.A.DeHaven, E.Gray, R.Johnson, R.E.Lomax, B.J.McCloud, J.A.McGill, C.L.Morris, J.Novak, B.Rusnak, G.Tubb, J.M.Applegate, T.D.Averett, J.Beck, B.G.Ritchie, E.Haebel, D.Kiehlmann, U.Klein, M.Peiniger, P.Schafer, H.Vogel, H.Ward, C.F.Moore

A Superconducting Radio-Frequency Cavity for Manipulating the Phase Space of Pion Beams at LAMPF

NUCLEAR REACTIONS 93Nb(π+, π+), E=50 MeV; 12C(π+, π+'), E=50 MeV; measured spectra. Superconducting radio-frequency cavity, pion beam phase space manipulation.

doi: 10.1016/0168-9002(92)90988-G
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1992RA01      Phys.Rev. C45, R509 (1992)

R.D.Ransome, C.L.Morris, V.R.Cupps, R.W.Fergerson, J.A.McGill, D.L.Watson, J.D.Zumbro, B.G.Ritchie, J.R.Comfort, J.R.Tinsley, R.A.Loveman, S.Dawson, A.Green, P.C.Gugelot, C.F.Moore

Pion Absorption in Heavy Nuclei

NUCLEAR REACTIONS 6Li, 12C, 27Al, 58Ni, 118Sn, 208Pb, 238U(π+, xp), (π+, d), E=50-200 MeV; measured σ vs missing energy; deduced pion absorption mechanism. Large solid angle bismuth germanate detector array.

doi: 10.1103/PhysRevC.45.R509
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1992RA11      Phys.Rev. C46, 273 (1992)

R.D.Ransome, C.L.Morris, M.K.Jones, B.G.Ritchie, D.L.Watson, J.A.McGill, K.Pujara, D.B.Clayton, I.Brown, P.Campbell, C.F.Moore

Pion Absorption in Light Nuclei

NUCLEAR REACTIONS 6,7Li, 9Be, 10,11B, 12,13C(π+, 2p), (π+, 3p), E=50-180 MeV; measured missing mass spectra; deduced σ(E), pion absorption mechanism.

doi: 10.1103/PhysRevC.46.273
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1992ST03      Phys.Rev. C45, 2578 (1992); Erratum Phys.Rev. C46, 2117 (1992)

S.M.Sterbenz, D.Dehnhard, M.K.Jones, S.K.Nanda, C.E.Parman, Y.-F.Yen, K.W.Jones, C.L.Morris

Inelastic Scattering of Polarized Protons from 4He at 500 and 800 MeV

NUCLEAR REACTIONS 4He(polarized p, p'), E=500, 800 MeV; measured σ(θ), analyzing powers vs θ; deduced optical potential parameters. 4He deduced monopole strength. DWIA analysis, recoil corrected continuum shell model wave functions.

doi: 10.1103/PhysRevC.45.2578
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1276.


1992WA11      Phys.Rev. C45, 2723 (1992)

H.Ward, K.Johnson, G.Kahrimanis, D.Saunders, C.F.Moore, S.Mordechai, C.L.Morris, N.Auerbach

Double Giant Dipole Resonance in the (π-, π+) Reaction

NUCLEAR REACTIONS 13C, 27Al, 40Ca, 56Fe, 59Co, 93Nb(π-, π+), E=295 MeV; measured σ(θ), σ(θ, E(π)); deduced Pauli blocking effects, isospin splitting features. 13Be, 27Na, 40Ar, 59Mn, 93Y, 56Cr deduced double giant dipole resonance. Coupled-channels impulse approximation.

doi: 10.1103/PhysRevC.45.2723
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1991BR21      Phys.Rev. C44, 2031 (1991)

B.Brinkmoller, C.L.Blilie, D.Dehnhard, M.K.Jones, G.M.Martinez, S.K.Nanda, S.M.Sterbenz, Y.-F.Yen, L.G.Atencio, S.J.Greene, C.L.Morris, S.J.Seestrom, G.R.Burleson, K.S.Dhuga, J.A.Faucett, R.W.Garnett, K.Maeda, C.F.Moore, S.Mordechai, A.Williams, S.H.Yoo, L.C.Bland

Elastic Scattering of π+ and π- from 4He between 90 and 240 MeV

NUCLEAR REACTIONS 4He(π+, π+), (π-, π-), E=90-240 MeV; measured σ(θ); deduced phase shifts. Optical model analysis.

doi: 10.1103/PhysRevC.44.2031
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1991KN05      Phys.Rev. C44, 2869 (1991)

J.N.Knudson, C.L.Morris, J.D.Bowman, W.C.Sailor, S.J.Seestrom, I.Supek, M.E.Sadler, L.D.Isenhower

Search for Neutral Pions from the Spontaneous Fission of 252Cf

RADIOACTIVITY 252Cf(SF); measured π0 spectra following SF-decay; deduced π0 branching ratio upper limit.

doi: 10.1103/PhysRevC.44.2869
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1991LI35      Phys.Rev. C44, 2413 (1991)

R.A.Lindgren, B.L.Clausen, G.S.Blanpied, J.Hernandez, C.S.Mishra, W.K.Mize, C.S.Whisnant, B.G.Ritchie, C.L.Morris, S.J.Seestrom-Morris, C.F.Moore, P.A.Seidl, B.H.Wildenthal, R.Gilman, J.A.Carr

Pion Scattering to 6- Stretched States in 24Mg and 26Mg

NUCLEAR REACTIONS 26,24Mg(π+, π+'), (π-, π-'), E=116-180 MeV; measured pion spectra, σ(θ). 26,24Mg levels deduced stretched configuration isoscalar, isovector strength.

doi: 10.1103/PhysRevC.44.2413
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1991MO02      Phys.Rev. C43, 1111 (1991)

S.Mordechai, C.L.Morris, J.M.O'Donnell, M.A.Kagarlis, D.Fink, H.T.Fortune, D.L.Watson, R.Gilman, H.Ward, A.Williams, S.H.Yoo, C.F.Moore

Analog of the T(>) Giant Dipole Resonance in Light Nuclei

NUCLEAR REACTIONS 13C, 27Al, 59Co(π+, π-), E=292 MeV; measured σ(θ(π), E(π)). 13O, 27P, 59Cu deduced giant resonances, Γ, T.

doi: 10.1103/PhysRevC.43.1111
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1991MO05      Phys.Rev. C43, R1509 (1991)

S.Mordechai, H.Ward, K.Johnson, G.Kahrimanis, D.Saunders, C.F.Moore, J.M.O'Donnell, M.A.Kagarlis, D.Smith, H.T.Fortune, C.L.Morris

Comparison of the Double Giant-Dipole States Observed in (π-, π+) and (π+, π-) Reactions on 40Ca and 27Al

NUCLEAR REACTIONS 27Al, 40Ca(π-, π+), (π+, π-), E=295 MeV; measured σ(θ(π), E(π)); deduced σ(ratio). 27Na, 27P, 40Ar, 40Ti deduced double isovector GDR.

doi: 10.1103/PhysRevC.43.R1509
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1991MO13      Nucl.Phys. A527, 433c (1991)

C.L.Morris

Nuclear Structure with Pions

NUCLEAR REACTIONS 12C(π+, π+), E=50, 180, 162 MeV; 12C(π-, π-), E=162 MeV; 208Pb(π+, π+'), (π-, π-'), E=162 MeV; measured pion spectra, σ(E, θ). 18O(π+, π+'), (π-, π-'), E not given; compiled, reviewed data.

doi: 10.1016/0375-9474(91)90135-S
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1991MO15      Phys.Rev. C44, 2209 (1991)

C.F.Moore, K.Johnson, G.P.Kahrimanis, J.McDonald, M.Snell, H.J.Ward, S.H.Yoo, C.L.Morris, S.Mordechai, M.Burlein, N.Claytor, H.T.Fortune, R.Ivie, G.B.Liu, J.M.O'Donnell, D.Smith, N.Auerbach, D.Robson

Angular Distributions for the Double Isobaric Analog and a T (<) State at High Excitation in Pion Double Charge Exchange on 93Nb

NUCLEAR REACTIONS 93Nb(π+, π-), E=295 MeV; measured σ(θ(π), E(π)), σ(θ). 93Tc deduced large probability for T< excitation.

doi: 10.1103/PhysRevC.44.2209
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1991OA01      Phys.Rev. C44, 2058 (1991)

D.S.Oakley, R.J.Peterson, S.J.Seestrom, C.L.Morris, M.A.Plum, J.D.Zumbro, A.L.Williams, M.A.Bryan, J.W.McDonald, C.F.Moore

Energy Dependence of Pion Inelastic Scattering from 208Pb

NUCLEAR REACTIONS 208Pb(π+, π+), (π+, π+'), (π-, π-), (π-, π-'), E=120, 250 MeV; calculated σ(θ). 208Pb levels deduced proton, neutron matrix elements ratio. Different structure models.

doi: 10.1103/PhysRevC.44.2058
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1991WA04      Phys.Rev. C43, 1318 (1991)

D.L.Watson, R.Gilman, C.L.Morris, J.D.Zumbro, S.Mordechai, M.Burlein, J.M.O'Donnell, H.T.Fortune, A.Kotwal, J.Puttz, J.D.Silk, J.S.McDonald, C.F.Moore, A.L.Williams, S.Y.Yoo

Pion-Induced Double Charge Exchange on 12C, 24Mg, 32S, and 40Ca

NUCLEAR REACTIONS 12C, 24Mg, 32S, 40Ca(π+, π-), E=164 MeV; measured σ(θ). Isobar-nucleon interaction mechanism.

doi: 10.1103/PhysRevC.43.1318
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1991WI03      Phys.Rev. C43, 766 (1991)

A.L.Williams, J.A.McGill, C.L.Morris, G.R.Burleson, J.A.Faucett, D.S.Oakley, M.Burlein, H.T.Fortune, J.M.O'Donnell, G.P.Kahrimanis, C.F.Moore

Pion Double Charge Exchange on 42,44,48Ca for 300 ≤ T(π) ≤ 550 MeV

NUCLEAR REACTIONS 42,44,48Ca(π+, π-), E=300-550 MeV; measured σ(θ), σ(E(π)); deduced two-amplitude model parameters.

doi: 10.1103/PhysRevC.43.766
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1991WI13      Phys.Rev. C44, 2025 (1991)

A.L.Williams, K.W.Johnson, G.P.Kahrimanis, H.Ward, C.F.Moore, J.A.McGill, C.L.Morris, G.R.Burleson, J.A.Faucett, M.Rawool-Sullivan, D.S.Oakley, M.Burlein, H.T.Fortune, E.Insko, R.Ivie, J.M.O'Donnell, D.Smith

Mass Dependence of High-Energy Pion Double Charge Exchange

NUCLEAR REACTIONS 26Mg, 46,50Ti, 54,56Fe, 52Cr, 80Se, 90Zr, 197Au, 208Pb(π+, π-), E=450, 500 MeV; measured σ(θ), θ=5°; deduced mass dependence, two-amplitude model parameters. Double isobaric analog state excitation.

doi: 10.1103/PhysRevC.44.2025
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1991YE01      Phys.Rev.Lett. 66, 1959 (1991)

Y.-F.Yen, B.Brinkmoller, D.Dehnhard, S.M.Sterbenz, Y.-J.Yu, B.Berman, G.R.Burleson, K.Cranston, A.Klein, G.S.Kyle, R.Alarcon, T.Averett, J.R.Comfort, J.J.Gorgen, B.G.Ritchie, J.R.Tinsley, M.Barlett, G.W.Hoffmann, K.Johnson, C.F.Moore, M.Purcell, H.Ward, A.Williams, J.A.Faucett, S.J.Greene, J.J.Jarmer, J.A.McGill, C.L.Morris, S.Penttila, N.Tanaka, H.T.Fortune, E.Insko, R.Ivie, J.M.O'Donnell, D.Smith, M.A.Khandaker, S.Chakravarti

Asymmetry Measurement of Pion Elastic Scattering from Polarized 13C in the Energy Region of the P33 Resonance

NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), E=132-226 MeV; measured analyzing power vs θ. Polarized target.

doi: 10.1103/PhysRevLett.66.1959
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1990BL04      Phys.Rev. C41, 1625 (1990)

G.S.Blanpied, J.Hernandez, C.S.Mishra, W.K.Mize, C.S.Whisnant, B.G.Ritchie, C.L.Morris, S.J.Seestrom-Morris, C.F.Moore, P.A.Seidl, R.A.Lindgren, B.H.Wildenthal, R.Gilman

Pion Elastic and Inelastic Scattering from 24Mg and 26Mg

NUCLEAR REACTIONS 26,24Mg(π+, π+'), (π-, π-'), E=150, 180 MeV; measured σ(θ), σ(E(π)). 26,24Mg levels deduced deformation parameters, neutron, proton matrix elements.

doi: 10.1103/PhysRevC.41.1625
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1990JO04      Phys.Rev. C42, R807 (1990)

M.K.Jones, D.Dehnhard, S.K.Nanda, S.M.Sterbenz, C.L.Morris, M.Plum, J.D.Zumbro, A.Hussein, D.S.Oakley, M.J.Smithson, A.L.Williams, J.McDonald, M.A.Bryan, A.H.Fuentes, M.Lynker, D.Crockett, M.A.Machuca, S.Mordechai, C.F.Moore

4He(π, π'p)3H Reaction: Quasifree and resonance scattering

NUCLEAR REACTIONS 4He(π+, π+'p), (π-, π-'p), E=180 MeV; measured σ(θ(π), θp); deduced σ(π+)/σ(π-). DWIA calculation.

doi: 10.1103/PhysRevC.42.R807
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1990MO02      Phys.Rev. C41, 202 (1990)

S.Mordechai, H.T.Fortune, J.M.O'Donnell, G.Liu, M.Burlein, A.H.Wuosmaa, S.Greene, C.L.Morris, N.Auerbach, S.H.Yoo, C.F.Moore

Observation of Double Isovector Giant Dipole Resonances from Pion Double Charge Exchange

NUCLEAR REACTIONS 40Ca, 93Nb, 56Fe(π+, π-), E=292 MeV; measured σ(θ(π), E(π)). 56Ni, 40Ti, 93Tc deduced isovector GDR excitation. Other data analyzed.

doi: 10.1103/PhysRevC.41.202
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1990OA01      Phys.Rev. C41, 1081 (1990)

D.S.Oakley, P.D.Kunz, C.L.Morris

Coulomb-Nuclear Interference in Pion Inelastic Scattering

NUCLEAR REACTIONS 208Pb(π+, π+'), (π-, π-'), E=120-250 MeV; analyzed σ(θ); deduced Coulomb-nuclear interference role. 208Pb levels deduced neutron, proton matrix element ratio.

doi: 10.1103/PhysRevC.41.1081
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1990RA05      Phys.Rev.Lett. 64, 372 (1990)

R.D.Ransome, V.R.Cupps, S.Dawson, R.W.Fergerson, A.Green, C.L.Morris, J.A.McGill, J.R.Comfort, B.G.Ritchie, J.Tinsley, J.D.Zumbro, R.A.Loveman, P.C.Gugelot, D.L.Watson, C.F.Moore

Charged-Particle Multiplicities following Pion Absorption on 6Li

NUCLEAR REACTIONS 6Li(π+, X), E=150 MeV; measured charged particle spectra following pion absorption; deduced multi-proton emission σ.

doi: 10.1103/PhysRevLett.64.372
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1990RA20      Phys.Rev. C42, 1500 (1990)

R.D.Ransome, V.R.Cupps, S.Dawson, R.W.Fergerson, A.Green, C.L.Morris, J.A.McGill, J.R.Comfort, B.G.Ritchie, J.R.Tinsley, J.D.Zumbro, R.A.Loveman, P.C.Gugelot, D.L.Watson, C.F.Moore

Systematics of Pion Absorption on 6Li

NUCLEAR REACTIONS 6Li(π+, 2pX), E=50-200 MeV; measured missing energy distributions, σ(θ) for 2p, 2pn, 3p, 2pd final states; deduced pion absorption mechanism.

doi: 10.1103/PhysRevC.42.1500
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1990SE11      Phys.Rev. C42, 1929 (1990)

P.A.Seidl, M.A.Bryan, M.Burlein, G.R.Burleson, K.S.Dhuga, H.T.Fortune, R.Gilman, S.J.Greene, M.A.Machuca, C.F.Moore, S.Mordechai, C.L.Morris, D.S.Oakley, M.A.Plum, G.Rai, M.J.Smithson, Z.F.Wang, D.L.Watson, J.D.Zumbro

Pion Double Charge Exchange on T = 2 Nuclei in the Δ(3/2, 3/2) Resonance Region

NUCLEAR REACTIONS 12C, 16O, 44Ca, 56Fe(π+, π-), E=100-300 MeV; measured σ(θ) vs E.

doi: 10.1103/PhysRevC.42.1929
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1990YE06      J.Phys.(Paris), Colloq.C-6, 587 (1990)

Y.-F.Yen, B.Brinkmoller, D.Dehnhard, S.M.Sterbenz, Y.-J.Yu, B.Berman, G.R.Burleson, K.Cranston, A.Klein, G.S.Kyle, R.Alarcon, T.Averett, J.R.Comfort, J.Gorgen, B.Ritchie, J.R.Tinsley, G.W.Hoffmann, K.Johnson, C.F.Moore, M.Purcell, H.Ward, A.Williams, J.A.Faucett, S.J.Greene, J.Jarmer, J.A.McGill, C.L.Morris, S.Penttila, N.Tanaka, H.T.Fortune, E.Insko, R.Ivie, J.M.O'Donnell, D.Smith, S.Hoibraten, M.Khandaker, S.Chakravarti

Pion Elastic Scattering from Polarized 13C in the Energy Region of the [3, 3] Resonance

NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), E=114-226 MeV; measured analyzing power vs θ. Polarized target. DWIA analyses.


1990YO02      J.Phys.(London) G16, L89 (1990)

S.H.Yoo, A.Williams, S.Mordechai, C.F.Moore, C.L.Morris, S.J.Seestrom, M.Jones, S.Sterbenz, D.Dehnhard, D.S.Oakley, A.Fazely

208Pb(π±, π±'n) Reaction in the Giant-Resonance Region

NUCLEAR REACTIONS 208Pb(π+, π+'n), (π-, π-'n), E=180 MeV; measured σ(θn, θπ), missing mass spectra. 208Pb deduced giant resonance neutron decay features.

doi: 10.1088/0954-3899/16/5/002
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1989LE11      Phys.Rev. C39, 2356 (1989)

M.J.Leitch, H.W.Baer, R.L.Burman, C.L.Morris, J.N.Knudson, J.R.Comfort, D.H.Wright, R.Gilman, S.H.Rokni, E.Piasetzky, Z.Weinfeld, W.R.Gibbs, W.B.Kaufmann

14C(π+, π-)14O Reaction between 19 and 80 MeV

NUCLEAR REACTIONS 14C(π+, π-)14O, E=19-80 MeV; measured σ(θ) vs E. 14O deduced double IAS excitation. DWIA, optical model.

doi: 10.1103/PhysRevC.39.2356
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1989MO09      Phys.Rev. C40, 850 (1989)

S.Mordechai, N.Auerbach, S.Greene, C.L.Morris, J.M.O'Donnell, H.T.Fortune, G.Liu, M.Burlein, A.Wuosmaa, S.H.Yoo, C.F.Moore

Properties of the Giant Dipole Resonance Built on the Isobaric Analog State

NUCLEAR REACTIONS 13C, 59Co, 93Nb, 138Ba, 197Au(π+, π-), E=292 MeV; measured σ(θ). 13O, 59Cu, 93Tc, 138Ce, 197Tl deduced GDR built on IAS.

doi: 10.1103/PhysRevC.40.850
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1989WI02      Phys.Lett. 216B, 11 (1989)

A.L.Williams, L.Agnew, L.G.Atencio, H.W.Baer, M.Burlein, G.R.Burleson, K.S.Dhuga, H.T.Fortune, G.S.Kyle, J.A.McGill, C.F.Moore, C.L.Morris, S.Mordechai, J.M.O'Donnell, M.W.Rawool, S.Schilling, J.D.Silk, J.D.Zumbro

Pion Double Charge Exchange Above the Δ(1232) Resonance

NUCLEAR REACTIONS 14C, 18O(π+, π-), E=300, 400, 500 MeV; measured σ(E(π), θ(π)). 14N, 18Ne deduced double IAS excitation.

doi: 10.1016/0370-2693(89)91360-9
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1989YO06      Phys.Rev.Lett. 63, 738 (1989)

S.H.Yoo, A.Williams, S.Mordechai, C.F.Moore, C.L.Morris, S.J.Seestrom-Morris, M.K.Jones, S.M.Sterbenz, D.Dehnhard, D.S.Oakley, A.Fazely

12C(π±, π±'p)11B Reaction Near the Giant Dipole Region

NUCLEAR REACTIONS 12C(π+, π+'p), (π-, π-'p), E=180 MeV; measured σ(θ(π), θ(p), E(π)); deduced σ(π+, π+p)/σ(π-, π-p) near GDR. DWIA analysis.

doi: 10.1103/PhysRevLett.63.738
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1988AS04      Phys.Lett. 215B, 41 (1988)

D.Ashery, J.Lichtenstadt, E.Piasetzky, C.L.Morris, J.D.Zumbro, R.Gilman, M.W.Rawool, S.Mordechai, B.Boyer, A.Fuentes, K.Johnson, J.W.McDonald, M.J.Smithson, A.Williams, S.H.Yoo, C.F.Moore

A Search for πNN Bound Systems

NUCLEAR REACTIONS 2H(π+, π-), (π-, π+), E=260 MeV; measured possible (πNN) system mass; deduced σ upper limit.

doi: 10.1016/0370-2693(88)91066-0
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1988HA14      Phys.Rev. C37, 1554 (1988)

A.C.Hayes, S.Chakravarti, D.Dehnhard, P.J.Ellis, D.B.Holtkamp, L.-P.Lung, S.J.Seestrom-Morris, H.Baer, C.L.Morris, S.J.Greene, C.J.Harvey

Structure of the Low-Lying 2+ States in 14C from Inelastic Pion Scattering

NUCLEAR STRUCTURE 14C, 14N, 14O; calculated levels, B(λ). Shell model.

NUCLEAR REACTIONS 14C(π, π'), E=164 MeV; analyzed σ(θ). 14C level deduced isovector component quenching.

doi: 10.1103/PhysRevC.37.1554
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1988MO01      Phys.Rev.Lett. 60, 408 (1988)

S.Mordechai, N.Auerbach, G.R.Burleson, K.S.Dhuga, M.Dwyer, J.A.Faucett, H.T.Fortune, R.Gilman, S.J.Greene, C.Laymon, C.F.Moore, C.L.Morris, D.S.Oakley, M.A.Plum, S.J.Seestrom-Morris, P.A.Seidl, M.J.Smithson, Z.F.Wang, J.D.Zumbro

Giant Dipole Resonances Built on Isobaric Analog States in Pion Double Charge Exchange

NUCLEAR REACTIONS 56Fe, 80Se, 208Pb(π+, π-), E at 292 MeV/c; measured σ(E(π-), θ(π-)), σ(θ(π-)). 56Ni, 80Kr, 208Po deduced giant dipole resonance parameters. Coupled-channel impulse approximation calculations.

doi: 10.1103/PhysRevLett.60.408
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1988MO15      Phys.Rev.Lett. 61, 531 (1988)

S.Mordechai, N.Auerbach, M.Burlein, H.T.Fortune, S.J.Greene, C.F.Moore, C.L.Morris, J.M.O'Donnell, M.W.Rawool, J.D.Silk, D.L.Watson, S.H.Yoo, J.D.Zumbro

Pion Double Charge Exchange to the Double Dipole Resonance

NUCLEAR REACTIONS 32S(π+, π-), E=292 MeV; measured σ(θ(π), E(π)). 32Ar deduced resonances, Γ.

doi: 10.1103/PhysRevLett.61.531
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Note: The following list of authors and aliases matches the search parameter C.Morris: , C.L.MORRIS, C.M.MORRIS