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NSR database version of April 25, 2024.

Search: Author = B.M.Nefkens

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2014NE11 Phys.Rev. C 90, 025206 (2014)

B.M.K.Nefkens, for the A2 Collaboration at MAMI

New measurement of the rare decay η → π⁰γγ with the Crystal Ball/TAPS detectors at the Mainz Microtron

doi: 10.1103/PhysRevC.90.025206
Citations: PlumX Metrics

2013BA28 Phys.Lett. B 723, 71 (2013)

P.A.Bartolome, A.Mushkarenkov, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, S.N.Cherepnya, S.Costanza, P.Drexler, L.V.Filkov, A.Fix, G.Giardina, D.I.Glazier, D.Hamilton, E.Heid, W.Heil, D.Hornidge, D.Howdle, I.Jaegle, O.Jahn, T.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, J.Krimmer, B.Krusche, S.Kruglov, A.Kulbardis, V.Lisin, K.Livingston, J.Mancell, D.G.Middleton, I.J.D.MacGregor, D.M.Manley, J.C.McGeorge, V.Metag, B.M.K.Nefkens, A.Nikolaev, M.Oberle, M.Ostrick, H.Ortega, P.B.Otte, B.Oussena, P.Pedroni, F.Pheron, S.Prakhov, A.Polonski, F.Rigamonti, M.Romaniuk, G.Rosner, T.Rostomyan, S.Schumann, D.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.Watts, D.Werthmuller

First measurement of the helicity dependence of ³He photoreactions in the Δ(1232) resonance region

NUCLEAR REACTIONS ³He(γ, X), (γ, π⁰), (γ, π⁺), (γ, π^-), (γ, 2p), E=150-500 MeV; measured reaction products, Eγ, Iγ; deduced total σ, unpolarized σ, polarized σ. Large acceptance Crystal Ball spectrometer.

doi: 10.1016/j.physletb.2013.04.057
Citations: PlumX Metrics

2013TH10 Eur.Phys.J. A 49, 132 (2013)

M.Thiel, V.Metag, P.Aguar-Bartolome, L.K.Akasoy, J.R.M.Annand, H.J.Arends, K.Bantawa, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, J.Brudvik, S.Cherepnya, M.Dieterle, E.J.Downie, P.Drexler, L.V.Filkov, S.Friedrich, D.I.Glazier, R.Gregor, E.Heid, D.Hornidge, O.Jahn, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, B.Krusche, A.Kulbardis, B.Lemmer, V.Lisin, K.Livingston, S.Lugert, I.J.D.MacGregor, Y.Maghrbi, J.Mancell, D.M.Manley, M.Martinez, J.C.McGeorge, E.F.McNicoll, D.G.Middleton, A.Mushkarenkov, M.Nanova, B.M.K.Nefkens, A.Nikolaev, R.W.Novotny, M.Ostrick, P.Pedroni, F.Pheron, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, A.Starostin, I.Supek, A.Thomas, M.Unverzagt, D.P.Watts, J.Weil, D.Werthmuller, I.Zamboni

In-medium modifications of the ω meson near the production threshold

doi: 10.1140/epja/i2013-13132-6
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2012PH03 Phys.Lett. B 709, 21 (2012)

F.Pheron, J.Ahrens, J.R.M.Annand, H.J.Arends, K.Bantawa, P.A.Bartolome, R.Beck, V.Bekrenev, H.Berghauser, B.Boillat, A.Braghieri, D.Branford, W.J.Briscoe, J.Brudvik, S.Cherepnya, B.Demissie, M.Dieterle, E.J.Downie, P.Drexler, D.I.Glazier, E.Heid, L.V.Filkov, D.Hornidge, D.Howdle, O.Jahn, I.Jaegle, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, A.Kulbardis, S.P.Kruglov, B.Krusche, V.Lisin, K.Livingston, I.J.D.Macgregor, Y.Maghrbi, J.Mancell, D.M.Manley, Z.Marinides, M.Martinez, J.C.Mcgeorge, E.Mcnicoll, D.Mekterovic, V.Metag, S.Micanovic, D.G.Middleton, A.Mushkarenkov, B.M.K.Nefkens, A.Nikolaev, R.Novotny, M.Oberle, M.Ostrick, B.Oussena, P.Pedroni, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, D.I.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.P.Watts, D.Werthmuller, L.Witthauer, F.Zehr

Coherent photoproduction of η-mesons off ³He - search for η-mesic nuclei

NUCLEAR REACTIONS ³He(γ, η), E=597.8-695.1 MeV; measured products, ³He; deduced σ, σ(E), σ(θ). Data were imported from EXFOR entry G0031.

doi: 10.1016/j.physletb.2012.01.075
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0031.

2010PR06 Phys.Rev. C 82, 015201 (2010)

S.Prakhov, P.Vancraeyveld, N.Phaisangittisakul, B.M.K.Nefkens, V.Bekrenev, W.J.Briscoe, L.De Cruz, D.Isenhower, N.Knecht, A.Koulbardis, N.Kozlenko, S.Kruglov, G.Lolos, I.Lopatin, A.Marusic, S.McDonald, Z.Papandreou, D.Peaslee, J.W.Price, J.Ryckebusch, M.Sadler, A.Shafi, A.Starostin, H.M.Staudenmaier, I.I.Strakovsky, I.Supek, T.Van Cauteren

Measurement of K^p radiative capture to γΛ and γΣ⁰ for p_K- between 514 and 750 MeV/c

doi: 10.1103/PhysRevC.82.015201
Citations: PlumX Metrics

2009PR07 Phys.Rev. C 80, 025204 (2009)

S.Prakhov, B.M.K.Nefkens, V.Bekrenev, W.J.Briscoe, N.Knecht, A.Koulbardis, N.Kozlenko, S.Kruglov, G.Lolos, I.Lopatin, A.Marusic, S.McDonald, D.Peaslee, N.Phaisangittisakul, J.W.Price, A.Shafi, A.Starostin, H.M.Staudenmaier, I.I.Strakovsky, I.Supek

Measurement of π⁰Λ, K(bar)⁰n, and π⁰Σ⁰ production in K^-p interactions for p_K^- between 514 and 750 MeV/c

doi: 10.1103/PhysRevC.80.025204
Citations: PlumX Metrics

2008PR07 Phys.Rev. C 78, 015206 (2008)

S.Prakhov, B.M.K.Nefkens, C.E.Allgower, V.Bekrenev, W.J.Briscoe, J.R.Comfort, K.Craig, D.Grosnick, D.Isenhower, N.Knecht, D.Koetke, A.Koulbardis, N.Kozlenko, S.Kruglov, G.Lolos, I.Lopatin, D.M.Manley, R.Manweiler, A.Marusic, S.McDonald, J.Olmsted, Z.Papandreou, D.Peaslee, N.Phaisangittisakul, J.W.Price, A.F.Ramirez, M.Sadler, A.Shafi, H.Spinka, T.D.S.Stanislaus, A.Starostin, H.M.Staudenmaier, I.Supek, for the Crystal Ball Collaboration at the AGS

Measurement of the invariant-mass spectrum for the two photons from the η → π⁰γγ decay

doi: 10.1103/PhysRevC.78.015206
Citations: PlumX Metrics

2005NE13 Phys.Rev. C 72, 035212 (2005)

B.M.K.Nefkens, S.Prakhov, C.E.Allgower, V.Bekrenev, W.J.Briscoe, M.Clajus, J.R.Comfort, K.Craig, D.Grosnick, D.Isenhower, N.Knecht, D.Koetke, A.Koulbardis, N.Kozlenko, S.Kruglov, G.Lolos, I.Lopatin, D.M.Manley, R.Manweiler, A.Marusic, S.McDonald, J.Olmsted, Z.Papandreou, D.Peaslee, N.Phaisangittisakul, J.W.Price, A.F.Ramirez, M.Sadler, A.Shafi, H.Spinka, T.D.S.Stanislaus, A.Starostin, H.M.Staudenmaier, I.Supek, W.B.Tippens, and the Crystal Ball Collaboration

Search for the forbidden decays η → 3γ and c → π⁰γ and the rare decay η → π⁰π⁰γγ

doi: 10.1103/PhysRevC.72.035212
Citations: PlumX Metrics

2005PR12 Nucl.Phys. A754, 272c (2005)

J.W.Price, J.Ducote, J.Goetz, B.M.K.Nefkens, for the CLAS Collaboration

Photoproduction of the doubly-strange Ξ hyperons

NUCLEAR REACTIONS ¹H(γ, 2K⁺X), E=3.2-5.4 GeV; measured cascade hyperon production associated missing mass spectra, yields, angular distributions.

doi: 10.1016/j.nuclphysa.2005.02.075
Citations: PlumX Metrics

2004PE12 Phys.Rev. C 69, 064612 (2004)

R.J.Peterson, C.E.Allgower, V.Bekrenev, W.J.Briscoe, J.R.Comfort, K.Craig, D.Grosnick, D.Isenhower, N.Knecht, D.Koetke, A.A.Kulbardis, G.Lolos, V.Lopatin, D.M.Manley, R.Manweiler, A.Marusic, S.McDonald, B.M.K.Nefkens, J.Olmsted, Z.Papandreou, D.C.Peaslee, N.Phaisangittisakul, J.Price, D.E.Prull, A.F.Ramirez, M.Sadler, A.Shafi, H.Spinka, T.D.S.Stanislaus, A.Starostin, H.M.Staudenmaier, I.Strakovsky, I.Supek, and the Crystal Ball Collaboration

y scaling in quasifree pion-single-charge exchange

NUCLEAR REACTIONS ²H, C, Al, Cu(π^-, π⁰), E at 750 MeV/c; measured σ(E, θ); deduced spin and nonspin isovector responses, y-scaling features.

doi: 10.1103/PhysRevC.69.064612
Citations: PlumX Metrics

2004PR04 Phys.Rev. C 69, 042202 (2004)

S.Prakhov, B.M.K.Nefkens, C.E.Allgower, V.Bekrenev, W.J.Briscoe, M.Clajus, J.R.Comfort, K.Craig, D.Grosnick, D.Isenhower, N.Knecht, D.Koetke, A.Koulbardis, N.Kozlenko, S.Kruglov, G.Lolos, I.Lopatin, D.M.Manley, R.Manweiler, A.Marusic, S.McDonald, J.Olmsted, Z.Papandreou, D.Peaslee, N.Phaisangittisakul, J.W.Price, A.F.Ramirez, M.Sadler, A.Shafi, H.Spinka, T.D.S.Stanislaus, A.Starostin, H.M.Staudenmaier, I.Supek, W.B.Tippens, and the Crystal Ball Collaboration

Reaction K^- p → π⁰π⁰ Λ from p_K=514 to 750 MeV/c

NUCLEAR REACTIONS ¹H(K^-, 2π⁰X), E at 514-750 MeV/c; measured hyperon production associated invariant mass spectra, total σ, σ(θ); deduced reaction mechanism features.

doi: 10.1103/PhysRevC.69.042202
Citations: PlumX Metrics

2004PR05 Phys.Rev. C 69, 045202 (2004)

Measurement of π^-p → π⁰π⁰n from threshold to p_π- = 750 MeV/c

NUCLEAR REACTIONS ¹H(π^-, 2π⁰), E at 270-750 MeV/c; measured σ, σ(θ), invariant mass spectra; deduced resonance effects.

doi: 10.1103/PhysRevC.69.045202
Citations: PlumX Metrics

2004PR08 Phys.Rev. C 70, 034605 (2004)

K^-p → π⁰π⁰Σ⁰ at p_K- = 514-750 MeV/c and comparison with other π⁰π⁰ production

NUCLEAR REACTIONS ¹H(K^-, 2π⁰X), E at 514-750 MeV/c; measured Σ⁰ hyperon production associated invariant mass spectra, total σ, σ(θ); deduced reaction mechanism features. Comparison with other dipion reaction data.

doi: 10.1103/PhysRevC.70.034605
Citations: PlumX Metrics

2004SA19 Phys.Rev. C 69, 055206 (2004)

M.E.Sadler, A.Kulbardis, V.Abaev, C.Allgower, A.Barker, V.Bekrenev, C.Bircher, W.J.Briscoe, R.Cadman, C.Carter, M.Clajus, J.R.Comfort, K.Craig, M.Daugherity, B.Draper, D.Grosnic, S.Hayden, J.Huddleston, D.Isenhower, M.Jerkins, M.Joy, N.Knecht, D.D.Koetke, N.Kozlenko, S.Kruglov, T.Kycia, G.Lolos, I.Lopatin, D.M.Manley, R.Manweiler, A.Marusic, S.McDonald, B.M.K.Nefkens, J.Olmsted, Z.Papandreou, D.Peaslee, J.Peterson, N.Phaisangittisakul, S.N.Prakhov, J.W.Price, A.Ramirez, C.Robinson, A.Shafi, H.Spinka, S.Stanislaus, A.Starostin, H.M.Staudenmaier, I.Strakovsky, I.Supek, W.B.Tippens, S.Watson

Differential cross section of the charge-exchange reaction π^-p → π⁰n in the momentum range from 148 to 323 MeV/c

NUCLEAR REACTIONS ¹H(π^-, π⁰), E at 148-323 MeV/c; measured σ(θ); deduced total σ.

doi: 10.1103/PhysRevC.69.055206
Citations: PlumX Metrics

2003KO09 Yad.Fiz. 66, 112 (2003); Phys.Atomic Nuclei 66, 110 (2003)

N.G.Kozlenko, V.V.Abaev, V.S.Bekrenev, S.P.Kruglov, A.A.Koulbardis, I.V.Lopatin, A.B.Starostin, B.Draper, S.Hayden, J.Huddleston, D.Isenhower, C.Robinson, M.Sadler, C.Allgower, R.Cadman, H.Spinka, J.Comfort, K.Craig, A.Ramirez, T.Kycia, M.Clajus, A.Marusic, S.McDonald, B.M.K.Nefkens, N.Phaisangittisakul, S.Prakhov, J.W.Price, W.B.Tippens, J.Peterson, W.J.Briscoe, A.Shafi, I.I.Strakovsky, H.Staudenmaier, D.M.Manley, J.Olmsted, D.Peaslee, N.Knecht, G.Lolos, Z.Papandreou, I.Supek, I.Slaus, A.Gibson, D.Grosnic, D.Koetke, R.Manweiler, S.Stanislaus

Measurement of the Total and Differential Cross Sections for the Reaction π^-p → ηn with the Crystal Ball Detector

NUCLEAR REACTIONS ¹H(π^-, nX), E at 685-720 MeV/c; measured η production associated invariant mass spectra, total σ, σ(θ). Comparison with previous results, model predictions.

doi: 10.1134/1.1540664
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2003ST28 Prog.Theor.Phys.(Kyoto), Suppl. 149, 94 (2003)

H.M.Staudenmaier, B.M.K.Nefkens, A.Starostin, for the Crystal Ball Collaboration

Crystal Ball Results - π^--Interactions on Hydrogen and Nuclear Targets

NUCLEAR REACTIONS H, C, Al, Cu(π^-, 2π⁰), E at 750 MeV/c; measured missing mass and invariant mass spectra; deduced resonance and medium effects.

doi: 10.1143/PTPS.149.94
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2002BR49 Phys.Rev. C 66, 054006 (2002)

W.J.Briscoe, B.L.Berman, R.W.C.Carter, K.S.Dhuga, S.K.Matthews, N.-J.Nicholas, S.J.Greene, B.M.K.Nefkens, J.W.Price, L.D.Isenhower, M.E.Sadler, I.Slaus, I.Supek

Elastic scattering of charged pions from ³H and ³He

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π^-, π^-), E=142, 180, 220, 256 MeV; measured σ(θ) ratios; deduced reaction mechanism features.

doi: 10.1103/PhysRevC.66.054006
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2002ST33 Phys.Rev. C 66, 055205 (2002)

A.Starostin, H.M.Staudenmaier, V.Bekrenev, W.J.Briscoe, A.Koulbardis, N.Kozlenko, S.Kruglov, I.Lopatin, A.Marusic, S.McDonald, B.M.K.Nefkens, N.Phaisangittisakul, S.Prakhov, J.W.Price, A.Shafi, I.Slaus, I.Supek

In-medium production of 2π⁰, η and π⁰ by π^- at 750 MeV/c

NUCLEAR REACTIONS ¹H, C, Al, Cu(π^-, X), E at 750 MeV/c; measured π⁰, 2π⁰, and η production invariant mass and angular distributions; deduced role of nuclear absorption.

doi: 10.1103/PhysRevC.66.055205
Citations: PlumX Metrics

2001TI01 Phys.Rev. D63, 052001 (2001)

W.B.Tippens, V.Abaev, M.Batinic, V.Bekrenev, W.J.Briscoe, R.E.Chrien, M.Clajus, D.Isenhower, N.Kozlenko, S.Kruglov, M.J.Leitch, A.Marusic, T.Moriwaki, T.Morrison, B.M.K.Nefkens, J.C.Peng, P.H.Pile, J.W.Price, D.Rigsby, M.E.Sadler, R.Sawafta, I.Slaus, H.Seyfarth, A.Starostin, I.Supek, R.J.Sutter, A.Svarc, D.B.White

Measurement of Charge Symmetry Breaking by the Comparison of π⁺d → ppη with π^-d → nnη

NUCLEAR REACTIONS ²H(π⁺, 2pX), (π^-, 2nX), E at 655-752 MeV/c; measured η meson production associated invariant mass spectra, σ; deduced charge symmetry breaking features.

doi: 10.1103/PhysRevD.63.052001
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1998BA39 Phys.Scr. 58, 15 (1998)

M.Batinic, I.Dadic, I.Slaus, A.Svarc, B.M.K.Nefkens, T.-S.H.Lee

The New Determination of the ηN S-Wave Scattering Length from a Three-Channel, Multi-Resonance Amplitude Analysis

1996AB01 Phys.Rev. C53, 385 (1996)

V.V.Abaev, B.M.K.Nefkens

S-Wave Resonance Coupled-Channel Approach to the Reactions π^- + p → η + n and K^- + p → η + Λ, and a Determination of the ηn and ηΛ Scattering Lengths

NUCLEAR REACTIONS ¹H(π^-, X), E at ≈ 700-900 MeV/c; ¹H(K^-, X), E at ≈ 725-825 MeV/c; calculated total σ vs momentum; deduced (η)N-, (η)(Λ)-scattering length. Coupled-channels approach.

doi: 10.1103/PhysRevC.53.385
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1996DH01 Phys.Rev. C54, 2823 (1996)

K.S.Dhuga, B.L.Berman, W.J.Briscoe, R.W.Caress, S.K.Matthews, D.B.Barlow, B.M.K.Nefkens, C.Pillai, J.W.Price, S.J.Greene, I.Slaus, I.Supek

Investigation of Nuclear Charge Symmetry by Pion Elastic Scattering from ³H and ³He

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π^-, π^-), E=180-295 MeV; measured σ(E, θ); deduced role of charge symmetry breaking in the pion-nucleus system.

doi: 10.1103/PhysRevC.54.2823
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1996MA15 Phys.Rev. C53, 2068 (1996)

B.Mayer, A.Boudard, B.Fabbro, M.Garcon, C.Kerboul, J.Poitou, F.Wellers, W.W.Jacobs, J.Saudinos, E.Tomasi-Gustafsson, J.P.Mouly, R.S.Kessler, B.M.K.Nefkens, B.Tippens, A.van der Schaaf, R.Abegg, W.T.H.van Oers, W.Briscoe, A.Petrov, A.Moalem

Reaction pd → ³Heη and pd → ³Heπ⁺π^- Near the η Threshold

NUCLEAR REACTIONS ²H(p, X), E=831.6-902.4 MeV; measured σ(E, θ) for η production; deduced η³He-scattering length. Tagging facility.

doi: 10.1103/PhysRevC.53.2068
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1996NI06 Phys.Rev. C54, 1732 (1996)

V.N.Nikulin, A.Boudard, M.Clajus, B.Fabbro, M.Garcon, R.S.Kessler, L.K.Lytkin, B.Mayer, B.M.K.Nefkens, F.Plouin, J.Poitou, E.Tomasi-Gustafsson, W.T.H.van Oers, D.White, C.Wilkin

The d(pol)p → ³Heπ⁰ Reaction Near Threshold

NUCLEAR REACTIONS ¹H(polarized d, π⁰), E=397.3-429.7 MeV; measured σ(θ) vs E, iT₁₁(θ), T₂₀(θ), T₂₂(θ); deduced amplitudes.

doi: 10.1103/PhysRevC.54.1732
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1995BA33 Phys.Rev. C51, 2310 (1995); Erratum Phys.Rev. C57, 1004 (1998)

M.Batinic, I.Slaus, A.Svarc, B.M.K.Nefkens

πN → (Eta)N and (Eta)N → (Eta)N Partial-Wave T Matrices in a Coupled, Three-Channel Model

NUCLEAR REACTIONS ¹H(π^-, X), E ≤ 2500 MeV; analyzed σ(E), σ(θ) along with πN-, (eta)N-elastic scattering data. Three-coupled-channels model.

doi: 10.1103/PhysRevC.51.2310
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1995BE04 Phys.Rev. C51, 1882 (1995)

B.L.Berman, G.C.Anderson, W.J.Briscoe, A.Mokhtari, A.M.Petrov, M.E.Sadler, D.B.Barlow, B.M.K.Nefkens, C.Pillai

Inelastic Pion Scattering from ³H and ³He

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺'), (π^-, π^-'), E=142, 180, 220 MeV; measured σ(θ(π), E(π)), ratios; deduced no violation of charge symmetry in inelastic channel. Comparison with electron, elastic pion scattering.

doi: 10.1103/PhysRevC.51.1882
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1995MA32 Phys.Rev. C51, 2534 (1995)

S.K.Matthews, W.J.Briscoe, C.Bennhold, B.L.Berman, R.W.Caress, K.S.Dhuga, S.N.Dragic, S.S.Kamalov, N.J.Nicholas, M.F.Taragin, L.Tiator, S.J.Greene, D.B.Barlow, B.M.K.Nefkens, C.Pillai, J.W.Price, L.D.Isenhower, M.E.Sadler, I.Slaus, I.Supek

Elastic Scattering of Pions from ³H and ³He into the Backward Hemisphere

NUCLEAR REACTIONS ³He, ³H(π⁺, π⁺), E=142-256 MeV; measured σ(θ).

doi: 10.1103/PhysRevC.51.2534
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1995PR02 Phys.Rev. C51, R2283 (1995)

J.W.Price, G.Anton, J.Arends, W.Beulertz, A.Bock, M.Breuer, K.Buchler, M.Clajus, P.Detemple, J.Hey, D.Kramer, W.Meyer, B.M.K.Nefkens, G.Noldeke, W.Schneider, B.Zucht

(Eta) Meson Photoproduction on Hydrogen Near Threshold

NUCLEAR REACTIONS ¹H(γ, X), E=707.2-717.7 MeV; measured eta production σ(E); deduced S-wave production.

doi: 10.1103/PhysRevC.51.R2283
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1993BR03 Nucl.Phys. A553, 585c (1993)

W.J.Briscoe, D.B.Barlow, B.L.Berman, R.W.Caress, K.S.Dhuga, S.N.Dragic, S.J.Greene, L.D.Isenhower, D.Knowles, D.Macek, S.K.Matthews, A.Mokhtari, B.M.K.Nefkens, N.J.Nicholas, C.Pillai, J.W.Price, M.E.Sadler, I.Slaus, I.Supek, M.F.Taragin

π± Elastic and Inelastic Scattering from ³H and ³He

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=142-256 MeV; measured σ(θ). ³H, ³He deduced matter form factors differences.

doi: 10.1016/0375-9474(93)90663-I
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1993SU21 Phys.Rev. D47, 1762 (1993)

I.Supek, D.B.Barlow, W.J.Briscoe, J.F.Davis, G.J.Kim, D.W.Lane, A.Mokhtari, B.M.K.Nefkens, C.Pillai, M.E.Sadler, C.J.Seftor, M.F.Taragin, J.A.Wightman

Spin-Rotation Parameters A and R for π⁺p and π^-p Elastic Scattering from 427 to 657 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 427-657 MeV/c; measured spin rotation parameter, πp-coin. Polarized target.

doi: 10.1103/PhysRevD.47.1762
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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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1991KI03 Phys.Rev. D43, 687 (1991)

G.J.Kim, J.Engelage, B.M.K.Nefkens, H.J.Ziock, J.Arends, W.J.Briscoe, M.E.Sadler

Measurement of the Left-Right Asymmetry in π^-p → γn from 301 to 625 MeV/c at Backward Angles

NUCLEAR REACTIONS ¹H(π^-, γ), E at 301-625 MeV/c; measured γn-coin, asymmetry. Polarized target. Model comparison.

doi: 10.1103/PhysRevD.43.687
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1991PI03 Phys.Rev. C43, 1838 (1991)

C.Pillai, D.B.Barlow, B.L.Berman, W.J.Briscoe, A.Mokhtari, B.M.K.Nefkens, M.E.Sadler

Angle and Energy Dependence of the Superratio for π⁺ and π^- ELastic Scattering from ³H and ³He: Evidence for charge-symmetry violation

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π^-, π^-), E=142-220 MeV; measured missing mass spectra, σ(ratio), σ(θ); deduced charge symmetry violation evidence. High pressure gas targets. Models comparison.

doi: 10.1103/PhysRevC.43.1838
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1990KI02 Phys.Rev. D41, 733 (1990)

G.J.Kim, J.Arends, W.J.Briscoe, J.Engelage, B.M.K.Nefkens, M.E.Sadler, M.Taragin, H.J.Ziock

Analyzing Power for π^-p Charge Exchange in the Backward Hemisphere from 301 to 625 MeV/c and a Test of πN Partial-Wave Analyses

NUCLEAR REACTIONS ¹H(π^-, π⁰), E at 301-625 MeV/c; measured anayzing power, nγ-coin. Model analysis. Vector polarized target.

doi: 10.1103/PhysRevD.41.733
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1990NE02 Phys.Rev. C41, 2770 (1990)

B.M.K.Nefkens, W.J.Briscoe, A.D.Eichon, D.H.Fitzgerald, A.Mokhtari, J.A.Wightman, M.E.Sadler

Superratio and the Simple Ratios of π⁺ and π^- Elastic Scattering on ³H and ³He at 180 MeV to Investigate Charge Symmetry

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π^-, π^-), E=180, 143 MeV; measured σ(θ), ratios. ³H, ³He deduced neutron, proton matter form factor near equality.

doi: 10.1103/PhysRevC.41.2770
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1989BA08 Phys.Rev.Lett. 62, 1009 (1989)

D.B.Barlow, R.S.Kessler, G.J.Kim, B.M.K.Nefkens, C.Pillai, J.W.Price, J.A.Wightman, S.Hall, D.W.Lane, S.R.Loe, L.K.Morton, M.E.Sadler, S.D.Adrian, W.J.Briscoe, L.H.Kramer, A.Mokhtari, A.M.Petrov, C.J.Seftor, M.F.Taragin, J.F.Davis, I.Supek

Measurement of the Spin-Rotation Parameters A and R for π⁺p → π⁺p and π^-p → π^-p Scattering from 471 to 625 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 471-625 MeV/c; measured spin rotation parameters. Frozen spin polarized target.

doi: 10.1103/PhysRevLett.62.1009
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1989KI04 Phys.Lett. 219B, 62 (1989)

G.J.Kim, S.D.Adrian, J.Arends, W.J.Briscoe, J.Engelage, B.M.K.Nefkens, M.E.Sadler, C.J.Seftor, D.I.Sober, M.Taragin, H.J.Ziock

Test of πN Partial Wave Analyses at the Onset of the Roper Resonance

NUCLEAR REACTIONS ¹H(π^-, π⁰), E at 301-625 MeV/c; measured analyzing power vs θ. Transversely polarized target.

doi: 10.1016/0370-2693(89)90838-1
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1989KI16 Phys.Rev. D40, 244 (1989)

G.J.Kim, J.Arends, W.J.Briscoe, J.Engelage, B.M.K.Nefkens, M.E.Sadler, H.J.Ziock

Differential Cross Section for π^-p → γn from 427 to 625 MeV/c

NUCLEAR REACTIONS ¹H(π^-, γ), E at 427-625 MeV/c; measured σ(θ). Coincidence technique.

doi: 10.1103/PhysRevD.40.244
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1989SE05 Phys.Rev. D39, 2457 (1989)

C.J.Seftor, S.D.Adrian, W.J.Briscoe, A.Mokhtari, M.F.Taragin, M.E.Sadler, D.B.Barlow, B.M.K.Nefkens, C.Pillai

Recoil-Proton Polarization in πp Elastic Scattering at 547 and 625 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 547, 625 MeV/c; measured recoil proton polarization.

doi: 10.1103/PhysRevD.39.2457
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1988BA58 Nucl.Instrum.Methods Phys.Res. A271, 471 (1988)

D.B.Barlow, B.M.K.Nefkens, C.T.Pillai, K.W.Jones

Production of High Momentum Negative Pions by 800 MeV Protons at 0° to 20°

NUCLEAR REACTIONS ⁹Be, C(p, π^-), E=800 MeV; measured pion yield vs momentum.

doi: 10.1016/0168-9002(88)90307-5
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1988PI09 Phys.Lett. 207B, 389 (1988)

C.Pillai, D.B.Barlow, B.L.Berman, W.J.Briscoe, A.Mokhtari, B.M.K.Nefkens, A.M.Petrov, M.E.Sadler

A Study of Charge-Symmetry Violation in π⁺ and π^- Elastic Scattering from ³H and ³He

NUCLEAR REACTIONS ³H, ³He(π⁺, π⁺), (π^-, π^-), E=142, 180, 220 MeV; measured σ(θ), ratios; deduced charge symmetry violation mechanism.

doi: 10.1016/0370-2693(88)90670-3
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1988WI21 Phys.Rev. D38, 3365 (1988)

J.A.Wightman, A.D.Eichon, G.J.Kim, A.Mokhtari, B.M.K.Nefkens, W.J.Briscoe, D.H.Fitzgerald, M.E.Sadler

π^-p Charge-Exchange Analyzing Power from 547 to 687 MeV/c

NUCLEAR REACTIONS ¹H(π^-, π⁰), E at 547-687 MeV/c; measured analyzing power. Transversely polarized target.

doi: 10.1103/PhysRevD.38.3365
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1987MO01 Phys.Rev. D35, 810 (1987)

A.Mokhtari, A.D.Eichon, G.J.Kim, B.M.K.Nefkens, J.A.Wightman, D.H.Fitzgerald, W.J.Briscoe, M.E.Sadler

Analyzing Power and Transversity Cross Sections for π⁺p and π^-p Elastic Scattering from 471 to 687 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 471-687 MeV/c; measured analyzing power; deduced transversity σ, isospin triangle inequalities bounds. Other data input.

doi: 10.1103/PhysRevD.35.810
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1987SA16 Phys.Rev. D35, 2718 (1987)

M.A.Sadler, W.J.Briscoe, D.H.Fitzgerald, B.M.K.Nefkens, C.J.Seftor

Differential Cross Sections for π⁺p and π^-p Elastic Scattering from 378 to 687 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 378-687 MeV/c; measured σ(θ); deduced σ. Liquid target, scintillation counter hodoscopes.

doi: 10.1103/PhysRevD.35.2718
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1986MO01 Phys.Rev. D33, 296 (1986)

A.Mokhtari, W.J.Briscoe, A.D.Eichon, D.H.Fitzgerald, G.J.Kim, B.M.K.Nefkens, J.A.Wightman, M.E.Sadler

Analyzing Power for π^-p Elastic Scattering in the Energy Region of the Roper Resonance

NUCLEAR REACTIONS ¹H(π^-, π^-), E at 471-687 MeV/c; measured analyzing power vs θ. High precision, polarized target.

doi: 10.1103/PhysRevD.33.296
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1985BR23 Phys.Rev. C32, 1956 (1985)

W.J.Briscoe, B.H.Silverman, D.H.Fitzgerald, B.M.K.Nefkens, A.Boudard, G.Bruge, L.Farvacque, C.Glashausser

Differential Cross Sections for p + d → γ + ³He at Intermediate Energies

NUCLEAR REACTIONS ¹H(d, γ), E=300-500 MeV; measured σ(θ); deduced time reversal invariance validity.

doi: 10.1103/PhysRevC.32.1956
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1985MO15 Phys.Rev.Lett. 55, 359 (1985)

A.Mokhtari, W.J.Briscoe, A.D.Eichon, D.H.Fitzgerald, G.J.Kim, B.M.K.Nefkens, J.A.Wightman, S.D.Adrian, M.E.Sadler, T.Walker

Analyzing Powers in π⁺p Elastic Scattering at Intermediate Energies

NUCLEAR REACTIONS ¹H(π⁺, π⁺), E=471, 547, 625, 687 MeV/c; measured analyzing power vs θ; deduced no new Δ resonances. Transversely polarized target.

doi: 10.1103/PhysRevLett.55.359
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1985SI21 Nucl.Phys. A444, 621 (1985)

B.H.Silverman, W.J.Briscoe, D.H.Fitzgerald, B.M.K.Nefkens, A.Boudard, G.Bruge, P.Couvert, C.Glashausser

Cross-Section Measurements of p + d → ³He + π⁰ and p + d → ³H + π⁺ at Intermediate Energies

NUCLEAR REACTIONS ²H(p, π⁰), E=300-500 MeV; ²H(p, π⁺), E=500 MeV; ¹H(p, π⁺), E=500 MeV; measured σ(θ); C(p, ³He), E=300-500 MeV; measured σ(θ) vs proton momentum.

doi: 10.1016/0375-9474(85)90109-5
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1984NE01 Phys.Rev.Lett. 52, 735 (1984)

B.M.K.Nefkens, W.J.Briscoe, A.D.Eichon, D.H.Fitzgerald, J.A.Holt, A.A.Mokhtari, J.A.Wightman, M.E.Sadler, R.L.Boudrie, C.L.Morris

Test of Charge Symmetry in π⁺ and π^- Elastic Scattering on Tritium and ³He

NUCLEAR REACTIONS ³He(π⁺, π⁺), (π^-, π^-), E=180 MeV; measured σ(θ); deduced σ(π^-)/σ(π⁺), evidence for possible charge symmetry violation.

doi: 10.1103/PhysRevLett.52.735
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1984SI01 Phys.Rev. C29, 35 (1984)

B.H.Silverman, A.Boudard, W.J.Briscoe, G.Bruge, P.Couvert, L.Farvacque, D.H.Fitzgerald, C.Glashausser, J.-C.Lugol, B.M.K.Nefkens

d + d → ⁴He + γ Cross Section Measurement at 376 MeV

NUCLEAR REACTIONS ²H(d, γ), E=376 MeV; measured σ(θ); deduced time reversal invariance in isoscalar electromagnetic hadronic interactions.

doi: 10.1103/PhysRevC.29.35
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1983SO10 Phys.Rev. C28, 2234 (1983)

D.I.Sober, H.Crannell, B.M.K.Nefkens, W.J.Briscoe, D.H.Fitzgerald, R.Goloskie, W.W.Sapp, Jr.

Two-Body Photodisintegration of ³He between 150 and 350 MeV

NUCLEAR REACTIONS ³He(γ, d), E=150-350 MeV; measured σ(θ); deduced detailed balance, time reversal invariance validity.

doi: 10.1103/PhysRevC.28.2234
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0482.

1982BR12 Phys.Rev.Lett. 49, 187 (1982)

W.J.Briscoe, D.H.Fitzgerald, B.M.K.Nefkens, H.Crannell, D.I.Sober, R.Goloskie, W.W.Sapp, Jr.

Two-Body Photodisintegration of ³He between 150 and 350 MeV

NUCLEAR REACTIONS ³He(γ, d), E=150-350 MeV bremsstrahlung; measured σ(θ) vs E.

doi: 10.1103/PhysRevLett.49.187
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1982SA30 Phys.Lett. 119B, 69 (1982)

M.E.Sadler, C.J.Seftor, F.O.Borcherding, W.J.Briscoe, D.H.Fitzgerald, P.F.Glodis, R.P.Haddock, B.M.K.Nefkens

Elastic π±p Scattering from 378 to 687 MeV/c

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E at 378, 687 MeV/c; measured σ(θ). Cylindrical liquid hydrogen target, pion, recoil proton coincidence measurement.

doi: 10.1016/0370-2693(82)90245-3
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1980NE03 Phys.Rev.Lett. 45, 168 (1980)

B.M.K.Nefkens, T.S.Bauer, K.Baba, A.Boudard, W.J.Briscoe, G.Bruge, J.L.Faure, J.Gosset, A.Hegerath, J.C.Lugol, B.H.Silverman, Y.Terrien

Measurement of p + d → ³He + γ and Comparison with the Inverse Reaction

NUCLEAR REACTIONS ²H(p, γ), E=450, 550 MeV; measured ³Heγ-coin, σ(θγ); deduced inverse reaction σ.

doi: 10.1103/PhysRevLett.45.168
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1980NE04 Phys.Rev. C22, 690 (1980)

B.M.K.Nefkens, O.R.Sander, G.D.L.Webster, D.I.Sober

Proton-Proton Bremsstrahlung at Tp=730 MeV with Photon Energies up to 300 MeV

NUCLEAR REACTIONS ¹H(p, p), E=730 MeV; measured σ(θ, bremsstrahlung), γp-coin for scattered, recoil protons. Soft photon, intermediate isobar state calculations.

doi: 10.1103/PhysRevC.22.690
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1979NE03 Phys.Rev. C19, 877 (1979)

B.M.K.Nefkens, O.R.Sander, D.I.Sober, H.W.Fearing

Differential Cross Section for Proton-Proton Bremsstrahlung at 1.38 GeV/c

NUCLEAR REACTIONS ¹H(p, γ), E=730 MeV; measured σ(θ, Eγ). Compared with soft photon calculations.

doi: 10.1103/PhysRevC.19.877
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1966NE07 Nucl.Phys. 88, 523(1966)

B.M.K.Nefkens, D.C.Sutton, M.N.Thompson

Photoproduction and β-Decay of ⁸He

RADIOACTIVITY ⁸He[from ¹¹B(γ, 3p)]; measured T_1/2, Eγ, βγ-coin. ¹¹B(γ, 3p), E < 250 MeV; measured σ. Natural, enriched ¹⁰B target.

doi: 10.1016/0029-5582(66)90411-1
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1964NE02 Phys.Rev. 133, B17 (1964)