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NSR database version of February 19, 2024.

Search: Author = A.Opper

Found 34 matches.

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2012AS01      Phys.Rev. C 85, 015202 (2012)

R.Asaturyan, R.Ent, H.Mkrtchyan, T.Navasardyan, V.Tadevosyan, G.S.Adams, A.Ahmidouch, T.Angelescu, J.Arrington, A.Asaturyan, O.K.Baker, N.Benmouna, C.Bertoncini, H.P.Blok, W.U.Boeglin, P.E.Bosted, H.Breuer, M.E.Christy, S.H.Connell, Y.Cui, M.M.Dalton, S.Danagoulian, D.Day, J.A.Dunne, D.Dutta, N.El Khayari, H.C.Fenker, V.V.Frolov, L.Gan, D.Gaskell, K.Hafidi, W.Hinton, R.J.Holt, T.Horn, G.M.Huber, E.Hungerford, X.Jiang, M.Jones, K.Joo, N.Kalantarians, J.J.Kelly, C.E.Keppel, V.Kubarovsky, Y.Li, Y.Liang, D.Mack, S.P.Malace, P.Markowitz, E.McGrath, P.McKee, D.G.Meekins, A.Mkrtchyan, B.Moziak, G.Niculescu, I.Niculescu, A.K.Opper, T.Ostapenko, P.E.Reimer, J.Reinhold, J.Roche, S.E.Rock, E.Schulte, E.Segbefia, C.Smith, G.R.Smith, P.Stoler, L.Tang, M.Ungaro, A.Uzzle, S.Vidakovic, A.Villano, W.F.Vulcan, M.Wang, G.Warren, F.R.Wesselmann, B.Wojtsekhowski, S.A.Wood, C.Xu, L.Yuan, X.Zheng

Semi-inclusive charged-pion electroproduction off protons and deuterons: Cross sections, ratios, and access to the quark-parton model at low energies

doi: 10.1103/PhysRevC.85.015202
Citations: PlumX Metrics


2012FO06      Phys.Rev.Lett. 108, 092502 (2012)

N.Fomin, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, E.Chudakov, B.Clasie, S.H.Connell, M.M.Dalton, A.Daniel, D.B.Day, D.Dutta, R.Ent, L.El Fassi, H.Fenker, B.W.Filippone, K.Garrow, D.Gaskell, C.Hill, R.J.Holt, T.Horn, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, R.Lindgren, A.F.Lung, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, H.Mkrtchyan, T.Navasardyan, G.Niculescu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, J.Seely, E.Segbefia, K.Slifer, G.R.Smith, P.Solvignon, V.Tadevosyan S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, C.Wasko, F.R.Wesselmann, S.A.Wood, J.Wright, X.Zheng

New Measurements of High-Momentum Nucleons and Short-Range Structures in Nuclei

doi: 10.1103/PhysRevLett.108.092502
Citations: PlumX Metrics


2011NU02      Phys.Rev. C 84, 015210 (2011)

Nuruzzaman, D.Dutta, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, B.Clasie, M.E.Christy, E.Chudakov, M.M.Dalton, A.Daniel, D.Day, L.El Fassi, R.Ent, H.C.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, T.Horn, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.G.Meekins, T.Mertens, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, X.Qian, A.W.Rauf, V.M.Rodriquez, D.Rohe, J.Seely, E.Segbefia, G.R.Smith, M.Sumihama, V.Tadevosyan, L.Tang, V.Tvaskis, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Nuclear transparency and effective kaon-nucleon cross section from the A(e, e'K+) reaction

doi: 10.1103/PhysRevC.84.015210
Citations: PlumX Metrics


2011SN01      Phys.Rev. C 83, 022501 (2011)

W.M.Snow, C.D.Bass, T.D.Bass, B.E.Crawford, K.Gan, B.R.Heckel, D.Luo, D.M.Markoff, A.M.Micherdzinska, H.P.Mumm, J.S.Nico, A.K.Opper, M.Sarsour, E.I.Sharapov, H.E.Swanson, S.B.Walbridge, V.Zhumabekova

Upper bound on parity-violating neutron spin rotation in 4He

NUCLEAR REACTIONS 4He(polarized n, n), E=slow; measured neutron spin rotation angle per unit length; deduced upper bound on parity-violating neutron spin rotation.

doi: 10.1103/PhysRevC.83.022501
Citations: PlumX Metrics


2010FO09      Phys.Rev.Lett. 105, 212502 (2010)

N.Fomin, J.Arrington, D.B.Day, D.Gaskell, A.Daniel, J.Seely, R.Asaturyan, F.Benmokhtar, W.Boeglin, B.Boillat, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, E.Chudakov, B.Clasie, S.H.Connell, M.M.Dalton, D.Dutta, R.Ent, L.El Fassi, H.Fenker, B.W.Filippone, K.Garrow, C.Hill, R.J.Holt, T.Horn, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, R.Lindgren, A.F.Lung, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, T.Miyoshi, H.Mkrtchyan, T.Navasardyan, G.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, E.Segbefia, K.Slifer, G.R.Smith, P.Solvignon, V.Tadevosyan, S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, C.Wasko, F.R.Wesselmann, S.A.Wood, J.Wright, X.Zheng

Scaling of the F2 Structure Function in Nuclei and Quark Distributions at χ > 1

doi: 10.1103/PhysRevLett.105.212502
Citations: PlumX Metrics


2010QI02      Phys.Rev. C 81, 055209 (2010)

X.Qian, T.Horn, B.Clasie, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.E.Christy, E.Chudakov, M.M.Dalton, A.Daniel, D.Day, D.Dutta, L.El Fassi, R.Ent, H.C.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.G.Meekins, T.Mertens, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, A.W.Rauf, V.M.Rodriquez, D.Rohe, J.Seely, E.Segbefia, G.R.Smith, M.Sumihama, V.Tadevosyan, L.Tang, A.Villano, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.Zheng

Experimental study of the A(e, e'π+) reaction on 1H, 2H, 12C, 27Al, 63Cu, and 197Au

NUCLEAR REACTIONS 1,2H, 12C, 27Al, 63Cu, 197Au(e, e'π+), E<5.8 GeV; measured yields, differential cross sections as a function of azimuthal angle, and nuclear transparencies versus Q2.

doi: 10.1103/PhysRevC.81.055209
Citations: PlumX Metrics


2009DA11      Phys.Rev. C 80, 015205 (2009)

M.M.Dalton, G.S.Adams, A.Ahmidouch, T.Angelescu, J.Arrington, R.Asaturyan, O.K.Baker, N.Benmouna, C.Bertoncini, W.U.Boeglin, P.E.Bosted, H.Breuer, M.E.Christy, S.H.Connell, Y.Cui, S.Danagoulian, D.Day, T.Dodario, J.A.Dunne, D.Dutta, N.El Khayari, R.Ent, H.C.Fenker, V.V.Frolov, L.Gan, D.Gaskell, K.Hafidi, W.Hinton, R.J.Holt, T.Horn, G.M.Huber, E.Hungerford, X.Jiang, M.K.Jones, K.Joo, N.Kalantarians, J.J.Kelly, C.E.Keppel, V.Kubarovsky, Y.Li, Y.Liang, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, H.Mkrtchyan, B.Moziak, T.Navasardyan, G.Niculescu, I.Niculescu, A.K.Opper, T.Ostapenko, P.E.Reimer, J.Reinhold, J.Roche, S.E.Rock, E.Schulte, E.Segbefia, C.Smith, G.R.Smith, P.Stoler, V.Tadevosyan, L.Tang, V.Tvaskis, M.Ungaro, A.Uzzle, S.Vidakovic, A.Villano, W.F.Vulcan, M.Wang, G.Warren, F.R.Wesselmann, B.Wojtsekhowski, S.A.Wood, C.Xu, L.Yuan, X.Zheng, H.Zhu

Electroproduction of η mesons in the S11(1535) resonance region at high momentum transfer

doi: 10.1103/PhysRevC.80.015205
Citations: PlumX Metrics


2009SE12      Phys.Rev.Lett. 103, 202301 (2009)

J.Seely, A.Daniel, D.Gaskell, J.Arrington, N.Fomin, P.Solvignon, R.Asaturyan, F.Benmokhtar, W.Boeglin, B.Boillat, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, B.Clasie, S.Connell, M.M.Dalton, D.Day, J.Dunne, D.Dutta, L.El Fassi, R.Ent, H.Fenker, B.W.Filippone, H.Gao, C.Hill, R.J.Holt, T.Horn, E.Hungerford, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, C.Lee, A.F.Lung, S.Malace, D.G.Meekins, T.Mertens, H.Mkrtchyan, T.Navasardyan, G.Niculescu, I.Niculescu, H.Nomura, Y.Okayasu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, E.Segbefia, K.Slifer, G.R.Smith, V.Tadevosyan, S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, J.Wright, L.Yuan, X.Zheng

New Measurements of the European Muon Collaboration Effect in Very Light Nuclei

doi: 10.1103/PhysRevLett.103.202301
Citations: PlumX Metrics


2008HO11      Phys.Rev. C 78, 058201 (2008)

T.Horn, X.Qian, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.E.Christy, E.Chudakov, B.Clasie, M.M.Dalton, A.Daniel, D.Day, D.Dutta, L.El Fassi, R.Ent, H.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.Meekins, T.Mertens, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, A.W.Rauf, V.Rodriguez, D.Rohe, J.Seely, E.Segbefia, G.R.Smith, M.Sumihama, V.Tadevosyan, L.G.Tang, V.Tvaskis, A.Villano, W.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Scaling study of the pion electroproduction cross sections

doi: 10.1103/PhysRevC.78.058201
Citations: PlumX Metrics


2007CL04      Phys.Rev.Lett. 99, 242502 (2007)

B.Clasie, X.Qian, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.E.Christy, E.Chudakov, W.Cosyn, M.M.Dalton, A.Daniel, D.Day, D.Dutta, L.El Fassi, R.Ent, H.C.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, T.Horn, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, A.Larson, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.G.Meekins, T.Mertens, G.A.Miller, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, A.W.Rauf, V.M.Rodriquez, D.Rohe, J.Ryckebusch, J.Seely, E.Segbefia, G.R.Smith, M.Strikman, M.Sumihama, V.Tadevosyan, L.Tang, V.Tvaskis, A.Villano, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Measurement of Nuclear Transparency for the A(e, e'π+) Reaction

NUCLEAR REACTIONS 2H, 12C, 27Al, 63Cu, 197Au(e, e'π+), E=4.021-5.767 GeV; measured electron and pion energies. Deduced nuclear transparency.

doi: 10.1103/PhysRevLett.99.242502
Citations: PlumX Metrics


2007TV01      Phys.Rev.Lett. 98, 142301 (2007)

V.Tvaskis, M.E.Christy, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, A.Cochran, L.Cole, J.Crowder, J.Dunne, R.Ent, H.C.Fenker, B.W.Filippone, K.Garrow, A.Gasparian, J.Gomez, H.E.Jackson, C.E.Keppel, E.Kinney, L.Lapikas, Y.Liang, W.Lorenzon, A.Lung, D.J.Mack, J.W.Martin, K.McIlhany, D.Meekins, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.Moreland, V.Nazaryan, I.Niculescu, A.Opper, R.B.Piercey, D.H.Potterveld, B.Rose, Y.Sato, W.Seo, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, A.Uzzle, W.F.Vulcan, S.A.Wood, B.Zihlmann, V.Ziskin

Longitudinal-Transverse Separations of Deep-Inelastic Structure Functions at Low Q2 for Hydrogen and Deuterium

NUCLEAR REACTIONS 1H(e, e'X), E=2.301, 3.419, 5.648 GeV; measured σ(E, θ), ratio of longitudinal, transverse σ.

doi: 10.1103/PhysRevLett.98.142301
Citations: PlumX Metrics


2006MA08      Nucl.Phys. A764, 261 (2006)

G.MacLachlan, A.Aghalaryan, A.Ahmidouch, B.D.Anderson, R.Asaturyan, O.Baker, A.R.Baldwin, D.Barkhuff, H.Breuer, R.Carlini, E.Christy, S.Churchwell, L.Cole, E.Crouse, S.Danagoulian, D.Day, T.Eden, M.Elaasar, R.Ent, M.Farkhondeh, H.Fenker, J.M.Finn, L.Gan, K.Garrow, P.Gueye, C.R.Howell, B.Hu, M.K.Jones, J.J.Kelly, C.Keppel, M.Khandaker, W.-Y.Kim, S.Kowalski, A.Lai, A.Lung, D.Mack, R.Madey, D.M.Manley, P.Markowitz, J.Mitchell, H.Mkrtchyan, A.K.Opper, B.Plaster, C.Perdrisat, V.Punjabi, B.Raue, T.Reichelt, J.Reinhold, J.Roche, Y.Sato, N.Savvinov, A.Yu.Semenov, I.A.Semenova, W.Seo, N.Simicevic, G.Smith, S.Taylor, S.Stepanyan, V.Tadevosyan, S.Tajima, L.Tang, W.Tireman, P.E.Ulmer, W.Vulcan, J.W.Watson, S.P.Wells, F.Wesselmann, S.Wood, C.Yan, C.Yan, S.Yang, L.Yuan, W.-M.Zhang, H.Zhu, X.Zhu

The ratio of proton electromagnetic form factors via recoil polarimetry at Q2=1.13 (GeV/c)2

NUCLEAR REACTIONS 1H(polarized e, e'p), E=2329 MeV; measured recoil proton spectra, polarization. 1H deduced ratio of electromagnetic form factors.

doi: 10.1016/j.nuclphysa.2005.09.012
Citations: PlumX Metrics


2006MI33      Ann.Rev.Nucl.Part.Sci. 56, 253 (2006)

G.A.Miller, A.K.Opper, E.J.Stephenson

Charge Symmetry Breaking and QCD

doi: 10.1146/annurev.nucl.56.080805.140446
Citations: PlumX Metrics


2003MA36      Eur.Phys.J. A 17, 323 (2003)

R.Madey, A.Yu.Semenov, S.Taylor, A.Aghalaryan, E.Crouse, G.MacLachlan, B.Plaster, S.Tajima, W.Tireman, C.Yan, A.Ahmidouch, B.D.Anderson, H.Arenhovel, R.Asaturyan, O.Baker, A.R.Baldwin, H.Breuer, R.Carlini, E.Christy, S.Churchwell, L.Cole, S.Danagoulian, D.Day, M.Elaasar, R.Ent, M.Farkhondeh, H.Fenker, J.M.Finn, L.Gan, K.Garrow, P.Gueye, C.Howell, B.Hu, M.K.Jones, J.J.Kelly, C.Keppel, M.Khandaker, W.-Y.Kim, S.Kowalski, A.Lung, D.Mack, D.M.Manley, P.Markowitz, J.Mitchell, H.Mkrtchyan, A.Opper, C.Perdrisat, V.Punjabi, B.Raue, T.Reichelt, J.Reinhold, J.Roche, Y.Sato, I.A.Semenova, W.Seo, N.Simicevic, G.Smith, S.Stepanyan, V.Tadevosyan, L.Tang, P.Ulmer, W.Vulcan, J.W.Watson, S.Wells, F.Wesselmann, S.Wood, C.Yan, S.Yang, L.Yuan, W.-M.Zhang, H.Zhu, X.Zhu

Neutron electric form factor up to Q2 = 1.47 (GeV/c)2

NUCLEAR REACTIONS 2H(polarized e, e'n), E=0.844-3.395 GeV; measured neutron spectra, polarization. 1n deduced form factors.

doi: 10.1140/epja/i2002-10169-6
Citations: PlumX Metrics


2003OP01      Phys.Rev.Lett. 91, 212302 (2003)

A.K.Opper, E.Korkmaz, D.A.Hutcheon, R.Abegg, C.A.Davis, R.W.Finlay, P.W.Green, L.G.Greeniaus, D.V.Jordan, J.A.Niskanen, G.V.O'Rielly, T.A.Porcelli, S.D.Reitzner, P.L.Walden, S.Yen

Charge Symmetry Breaking in np → dπ0

NUCLEAR REACTIONS 1H(n, π0), E=279.5 MeV; measured σ(θ), forward-backward asymmetry; deduced charge symmetry breaking. Comparison with model predictions.

doi: 10.1103/PhysRevLett.91.212302
Citations: PlumX Metrics


2001OP01      Phys.Rev. C63, 034614 (2001)

A.K.Opper, S.W.Wissink, A.D.Bacher, J.Lisantti, C.Olmer, R.Sawafta, E.J.Stephenson, S.P.Wells

Measurements of the Spin Observables DNN', P, and Ay in Inelastic Proton Scattering from 12C and 16O at 198 MeV

NUCLEAR REACTIONS 12C, 16O(polarized p, p'), E=198 MeV; measured proton spectra, σ(θ), Ay(θ), other spin observables; deduced reaction mechanism features. Comparison with DWIA calculations.

doi: 10.1103/PhysRevC.63.034614
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0805.


2000OP01      Nucl.Phys. A663-664, 505c (2000)

A.K.Opper, E.G.Auld, R.M.Churchman, C.A.Davis, R.W.Finlay, P.W.Green, L.G.Greeniaus, D.A.Hutcheon, D.V.Jordan, E.J.Korkmaz, J.A.Niskanen, G.V.O'Rielly, T.Porcelli, S.D.Reitzner, P.L.Walden, S.Yen

Charge Symmetry Breaking in the Reaction np → dπ0

NUCLEAR REACTIONS 1H(n, π0), E=279.5 MeV; measured deuteron spectra, forward-backward asymmetry.

doi: 10.1016/S0375-9474(99)00642-9
Citations: PlumX Metrics


2000SA02      Phys.Rev. C61, 014309 (2000)

F.Sammarruca, E.J.Stephenson, K.Jiang, J.Liu, C.Olmer, A.K.Opper, S.W.Wissink

Testing Microscopic Medium Effects on Nucleons and Mesons using Polarization Observables in High-Spin, Unnatural-Parity (p(pol), p(pol)') Reactions at 200 MeV

NUCLEAR REACTIONS 16O, 28Si(polarized p, p'), E=200 MeV; calculated σ(E, θ), polarization observables; deduced medium effects. DWIA approach, comparisons with data.

doi: 10.1103/PhysRevC.61.014309
Citations: PlumX Metrics


1999KO43      Phys.Rev.Lett. 83, 3609 (1999)

E.Korkmaz, N.R.Kolb, D.A.Hutcheon, G.V.O'Rielly, J.C.Bergstrom, G.Feldman, D.Jordan, A.K.Opper, R.E.Pywell, B.Sawatzky, D.M.Skopik

Measurement of thr γp → π+n Reaction Near Threshold

NUCLEAR REACTIONS 1H(γ, π+), E=152-154 MeV; measured σ(θ), neutron yields; deduced electric dipole amplitude. Comparison with chiral perturbation theory.

doi: 10.1103/PhysRevLett.83.3609
Citations: PlumX Metrics


1998QU01      Phys.Rev. C57, 2118 (1998)

M.A.Quraan, E.D.Hackett, E.Korkmaz, W.J.McDonald, A.K.Opper, N.L.Rodning, G.Feldman, N.R.Kolb, G.V.O'Rielly, R.E.Pywell, D.M.Skopik

Final State Interactions in 2H(γ, ppπ-) Near the Δ(1232) Resonance

NUCLEAR REACTIONS 2H(γ, 2pπ-), E=220-280 MeV; measured σ(φ(π)), σ(θ(π)), σ(Eγ), σ(θ(Δ)); deduced final state interactions, Δ-resonance role.

doi: 10.1103/PhysRevC.57.2118
Citations: PlumX Metrics


1998ZH14      Phys.Rev. C57, 2126 (1998)

J.Zhao, R.Abegg, A.R.Berdoz, J.Birchall, J.R.Campbell, C.A.Davis, P.P.J.Delheij, L.Gan, P.W.Green, L.G.Greeniaus, D.Healey, R.Helmer, N.Kolb, E.Korkmaz, L.Lee, C.D.P.Levy, J.Li, C.A.Miller, A.K.Opper, S.A.Page, H.Postma, W.D.Ramsay, J.Soukup, G.M.Stinson, W.T.H.van Oers, A.N.Zelenski

Precision Measurement of Charge Symmetry Breaking in np Elastic Scattering at 347 MeV

NUCLEAR REACTIONS 1H(polarized n, n), E=347 MeV; measured neutron, proton A(θ); deduced charge symmetry breaking effects. Mirror-symmetric detection system, polarized target.

doi: 10.1103/PhysRevC.57.2126
Citations: PlumX Metrics


1996DA10      Phys.Rev. C53, 2052 (1996)

C.A.Davis, R.Abegg, A.R.Berdoz, J.Birchall, J.R.Campbell, L.Gan, P.W.Green, L.G.Greeniaus, R.Helmer, E.Korkmaz, J.Li, C.A.Miller, A.K.Opper, S.A.Page, W.D.Ramsay, A.M.Sekulovich, V.Sum, W.T.H.van Oers, J.Zhao

Zero-Crossing Angle of the n-p Analyzing Power

NUCLEAR REACTIONS 1H(polarized n, n), E < 300 MeV; measured analyzing power vs θ; deduced n-, p-analyzing power crossing features.

doi: 10.1103/PhysRevC.53.2052
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13621.


1996HA03      Phys.Rev. C53, R1047 (1996)

E.D.Hackett, W.J.McDonald, A.K.Opper, M.A.Quraan, N.L.Rodning, F.M.Rozon, G.Feldman, N.R.Kolb, R.E.Pywell, D.M.Skopik, D.E.Tiller, J.M.Vogt, E.Korkmaz, G.V.O'Rielly

Reaction Mechanisms in 12C(γ, pp) Near 200 MeV

NUCLEAR REACTIONS 12C(γ, 2pX), E=187-227 MeV; measured inclusive differential σ. Monte Carlo intranuclear cascade calculation.

doi: 10.1103/PhysRevC.53.R1047
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1995AB30      Phys.Rev.Lett. 75, 1711 (1995)

R.Abegg, A.R.Berdoz, J.Birchall, J.R.Campbell, C.A.Davis, P.P.J.Delheij, L.Gan, P.W.Green, L.G.Greeniaus, D.C.Healey, R.Helmer, N.Kolb, E.Korkmaz, L.Lee, C.D.P.Levy, J.Li, C.A.Miller, A.K.Opper, S.A.Page, H.Postma, W.D.Ramsay, J.Soukup, G.M.Stinson, W.T.H.van Oers, A.N.Zelensky, J.Zhao

Precision Measurement of Charge Symmetry Breaking in np Elastic Scattering at 347 MeV

NUCLEAR REACTIONS 1H(polarized n, n), E=347 MeV; measured asymmetry; deduced charge symmetry breaking, high precision.

doi: 10.1103/PhysRevLett.75.1711
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1995GA47      Nucl.Instrum.Methods Phys.Res. A365, 185 (1995)

L.Gan, R.Abegg, A.R.Berdoz, J.Birchall, J.R.Campbell, C.A.Davis, P.W.Green, L.G.Greeniaus, R.Helmer, E.Korkmaz, L.Lee, J.Li, C.A.Miller, A.K.Opper, S.A.Page, W.D.Ramsay, J.Soukup, W.T.H.van Oers, J.Zhao

Properties of the TRIUMF Neutron Beam

NUCLEAR REACTIONS 2H(polarized p, 2p), E=192, 280 MeV; analyzed neutron spectra; deduced improved corrections to systematic errors.

doi: 10.1016/0168-9002(95)00452-1
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1994KO11      Phys.Rev. C49, 2586 (1994)

N.R.Kolb, E.B.Cairns, E.D.Hackett, E.Korkmaz, T.Nakano, A.K.Opper, M.A.Quraan, N.L.Rodning, F.M.Rozon, J.Asai, G.Feldman, E.Hallin, G.V.O'Rielly, R.E.Pywell, D.M.Skopik

3He(γ, pd) Cross Sections with Tagged Photons Below the Δ Resonance

NUCLEAR REACTIONS 3He(γ, pd), E=166-213 MeV; measured σ(θ). Tagged photons.

doi: 10.1103/PhysRevC.49.2586
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1993AB15      Nucl.Instrum.Methods Phys.Res. B79, 318 (1993)

R.Abegg, C.A.Davis, P.P.J.Delheij, R.Helmer, C.A.Miller, A.R.Berdoz, J.Birchall, J.R.Campbell, S.A.Page, W.D.Ramsay, W.T.H.van Oers, J.Zhao, P.W.Green, L.G.Greeniaus, N.Kolb, E.Korkmaz, J.Li, A.Opper

Search for Charge Symmetry Violation in np Elastic Scattering

NUCLEAR REACTIONS 1H(polarized n, n), (n, n), E=350 MeV; measured np-coin. Polarized, unpolarized target.

doi: 10.1016/0168-583X(93)95354-8
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1993WE08      Nucl.Instrum.Methods Phys.Res. A325, 205 (1993)

S.P.Wells, S.W.Wissink, A.D.Bacher, S.M.Bowyer, S.Chang, J.Lisantti, J.Liu, C.Olmer, A.K.Opper, T.Rinckel, E.J.Stephenson

An In-Beam Polarimeter for Intermediate Energy Protons Using p + d Elastic Scattering

NUCLEAR REACTIONS 2H(polarized p, p), E=120, 200 MeV; measured beam transverse polarization components, spectra; deduced analyzing power. In-beam polarimeter.

doi: 10.1016/0168-9002(93)91022-F
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1992WI01      Phys.Rev. C45, R504 (1992)

S.W.Wissink, S.P.Wells, E.J.Stephenson, J.Sowinski, A.D.Bacher, P.Li, J.Lisantti, C.Olmer, A.K.Opper, R.Sawafta, P.Schwandt

Determination of Analyzing Powers for 189 MeV Proton Elastic Scattering on 12C

NUCLEAR REACTIONS 12C(polarized p, p), E=189 MeV; measured analyzing power, polarization transfer coefficients.

doi: 10.1103/PhysRevC.45.R504
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1991LO06      Phys.Rev. C44, 2276 (1991)

D.A.Low, E.J.Stephenson, C.Olmer, A.K.Opper, B.K.Park, P.Schwandt, S.W.Wissink

Measurement of the A(yy) Tensor Analyzing Power for the 1H(d(pol), pp)n Reaction in the Symmetric Constant Relative Energy Geometry

NUCLEAR REACTIONS 1H(polarized d, 2p), E=94.5 MeV; measured tensor analyzing power, σ(E'(23), θ'(23), θ'(1, 23)). Model comparison.

doi: 10.1103/PhysRevC.44.2276
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1990OP01      J.Phys.(Paris), Colloq.C-6, 607 (1990)

A.K.Opper, S.W.Wissink, A.D.Bacher, J.Lisantti, C.Olmer, R.Sawafta, E.J.Stephenson, S.P.Wells

The (p(pol), p(pol)') Spin Transfer Program at the Indiana University Cyclotron Facility

NUCLEAR REACTIONS 208Pb, 12C, 16O(polarized p, p'), E=200 MeV; measured polarization, σ(θ), analyzing power, spin observables vs θ.


1990ST20      Phys.Rev. C42, 2562 (1990)

E.J.Stephenson, A.D.Bacher, G.P.A.Berg, V.R.Cupps, C.C.Foster, N.Hodiwalla, P.Li, J.Lisantti, D.A.Low, D.W.Miller, C.Olmer, A.K.Opper, B.K.Park, R.Sawafta, S.W.Wissink, J.A.Tostevin, D.A.Coley, R.C.Johnson

Enhancement of the Near-Side Component in Quasiadiabatic Calculations of the 66Zn(d, p)67Zn Reaction

NUCLEAR REACTIONS 67Zn(polarized p, p), E=91.8 MeV; 66Zn(polarized d, p), E=88.2 MeV; measured σ(θ), proton polarization, analyzing power vs θ; deduced model parameters. Quasiadiabatic model.

doi: 10.1103/PhysRevC.42.2562
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1990WI21      J.Phys.(Paris), Colloq.C-6, 557 (1990)

S.W.Wissink, S.P.Wells, A.K.Opper, T.Rinckel, E.J.Stephenson

Development of an In-Beam Polarimeter for Intermediate Energy Protons using p + d Elastic Scattering

NUCLEAR REACTIONS 2H(polarized p, p), E=120, 200 MeV; measured pd-coin spectra; deduced analyzing power vs θ.


1986ST06      Phys.Lett. 171B, 358 (1986)

E.J.Stephenson, R.C.Johnson, J.A.Tostevin, V.R.Cupps, J.D.Brown, C.C.Foster, J.A.Gering, W.P.Jones, D.A.Low, D.W.Miller, H.Nann, C.Olmer, A.K.Opper, P.Schwandt, J.W.Seubert, S.W.Wissink

Inplications of Far-Side Dominance for the Disagreement between Distorted Wave Theory and Well-Matched Intermediate Energy (d, p) Reactions

NUCLEAR REACTIONS 116Sn(polarized d, p), E=90 MeV; analyzed σ(θ), analyzing power vs θ. 66Zn(polarized d, p), E=88.1 MeV; measured proton polarization vs θ; deduced far-side dominance insignificance.

doi: 10.1016/0370-2693(86)91420-6
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Note: The following list of authors and aliases matches the search parameter A.Opper: , A.K.OPPER