Nuclear Science References (NSR)

NUCLEAR REACTIONS ²H(p, 2p), E=0.5-2 GeV; measured angular distribution, acceptances, σ and σ(θ); deduced missing mass distributions and momentum correlations. Comparison with Migdal-Watson method, DWBA calculations, CD-Bonn NN potential, and one-pion exchange (OPE) model.

doi: 10.1103/PhysRevC.81.044001
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1853.

2010VA02 Phys.Rev. C 81, 045208 (2010)

Yu.Valdau, S.Barsov, M.Buscher, D.Chiladze, S.Dymov, A.Dzyuba, M.Hartmann, A.Kacharava, I.Keshelashvili, A.Khoukaz, V.Koptev, P.Kulessa, S.Merzliakov, M.Mielke, S.Mikirtychiants, M.Nekipelov, H.Ohm, M.Papenbrock, F.Rathmann, V.Serdyuk, H.Stroher, S.Trusov, C.Wilkin

Energy dependence of the pp → K⁺ nΣ⁺ reaction close to threshold

doi: 10.1103/PhysRevC.81.045208
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2009MA05 Phys.Rev. C 79, 018201 (2009)

Y.Maeda, M.Hartmann, I.Keshelashvili, S.Barsov, M.Buscher, A.Dzyuba, S.Dymov, V.Hejny, A.Kacharava, V.Kleber, V.Koptev, P.Kulessa, T.Mersmann, S.Mikirtytchiants, A.Mussgiller, M.Nekipelov, H.Ohm, K.Pysz, H.J.Stein, H.Stroher, Yu.Valdau, C.Wilkin, P.Wustner

Measurement of the pn → dK⁺K^- total cross section close to threshold

doi: 10.1103/PhysRevC.79.018201
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2009RA14 Phys.Rev. C 80, 017001 (2009)

T.Rausmann, A.Khoukaz, M.Buscher, D.Chiladze, S.Dymov, M.Hartmann, A.Kacharava, I.Keshelashvili, P.Kulessa, Y.Maeda, T.Mersmann, M.Mielke, S.Mikirtychiants, M.Nekipelov, H.Ohm, M.Papenbrock, F.Rathmann, V.Serdyuk, H.Stroher, A.Taschner, Yu.Valdau, C.Wilkin, and the ANKE Collaboration

Precision study of the dp → ³Heη reaction for excess energies between 20 and 60 MeV

doi: 10.1103/PhysRevC.80.017001
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2009YU06 Eur.Phys.J. A 42, 1 (2009)

X.Yuan, M.Buscher, D.Chiladze, S.Dymov, A.Dzyuba, V.Yu.Grishina, C.Hanhart, M.Hartmann, A.Kacharava, A.Khoukaz, L.A.Kondratyuk, V.Koptev, P.Kulessa, M.Mielke, S.Mikirtychiants, M.Nekipelov, M.Papenbrock, K.Pysz, V.Serdyuk, H.Stroher, C.Wilkin, H.Xu

Measurement of the isospin-filtering dd → ⁴He K⁺K^- reaction at Q = 39 MeV

doi: 10.1140/epja/i2009-10849-7
Citations: PlumX Metrics

2008DZ04 Eur.Phys.J. A 38, 1 (2008)

A.Dzyuba, M.Buscher, C.Hanhart, V.Kleber, V.Koptev, H.Stroher, C.Wilkin

Interpretation of K⁺K(bar)⁰ pair production in pp collisions

NUCLEAR REACTIONS ¹H(p, dK⁰K⁺), E=2.65, 2.83 GeV; analyzed invariant mass and angular distributions, included final state interactions; deduced total σ.

doi: 10.1140/epja/i2008-10647-9
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2008KU05 Phys.Lett. B 661, 22 (2008)

V.Kurbatov, M.Buscher, S.Dymov, D.Gusev, M.Hartmann, A.Kacharava, A.Khoukaz, V.Komarov, A.Kulikov, G.Macharashvili, T.Mersmann, S.Merzliakov, S.Mikirtytchiants, D.Prasuhn, F.Rathmann, R.Schleichert, H.Stroher, D.Tsirkov, Yu.Uzikov, C.Wilkin, Yu.Uzikov, C.Wilkin, S.Yaschenko

Energy dependence of forward 1S0 diproton production in the pp → ppπ⁰ reaction

NUCLEAR REACTIONS ¹H(p, 2pπ⁰), E=0.5-1.97 GeV; measured missing mass spectra; deduced π⁰ production σ(E, θ). Comparison with other results and π⁺ production.

doi: 10.1016/j.physletb.2008.01.051
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1748.

2008MA02 Phys.Rev. C 77, 015204 (2008)

Y.Maeda, M.Hartmann, I.Keshelashvili, S.Barsov, M.Buscher, M.Drochner, A.Dzyuba, V.Hejny, A.Kacharava, V.Kleber, H.R.Koch, V.Koptev, P.Kulessa, B.Lorentz, T.Mersmann, S.Mikirtytchiants, A.Mussgiller, M.Nekipelov, H.Ohm, D.Prasuhn, R.Schleichert, H.J.Stein, H.Stroher, Yu.Valdau, C.Wilkin, P.Wustner

Kaon pair production in proton-proton collisions

NUCLEAR REACTIONS p(p, K⁺K^-), E=2.65, 2.70, 2.83 GeV; measured mass distribution, cross sections, relative momentum.

doi: 10.1103/PhysRevC.77.015204
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2008ZY01 Phys.Lett. B 660, 167 (2008)

I.Zychor, M.Buscher, M.Hartmann, A.Kacharava, I.Keshelashvili, A.Khoukaz, V.Kleber, V.Koptev, Y.Maeda, T.Mersmann, S.Mikirtychiants, R.Schleichert, H.Stroher, Yu.Valdau, C.Wilkin

Lineshape of the Λ(1405) hyperon measured through its Σ⁰π⁰ decay

NUCLEAR REACTIONS ¹H(p, pK⁺X), E at 3.65 GeV/c; measured missing mass spectra; deduced hyperon production σ.

doi: 10.1016/j.physletb.2008.01.002
Citations: PlumX Metrics

2007BA05 Eur.Phys.J. A 31, 95 (2007)

S.Barsov, M.Buscher, M.Hartmann, V.Hejny, A.Kacharava, I.Keshelashvili, A.Khoukaz, V.Koptev, P.Kulessa, A.Kulikov, I.Lehmann, V.Leontyev, G.Macharashvili, Y.Maeda, T.Mersmann, S.Merzliakov, S.Mikirtytchyants, A.Mussgiller, D.Oellers, H.Ohm, F.Rathmann, R.Schleichert, H.Seyfarth, H.Stroher, S.Trusov, Yu.Valdau, P.Wustner, S.Yaschenko, C.Wilkin

Study of ω-meson production in pp collisions at ANKE

NUCLEAR REACTIONS ¹H(p, pX), E at 2.85, 2.95 GeV/c; measured missing mass spectra; deduced ω-meson production σ(E, θ).

doi: 10.1140/epja/i2006-10161-2
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2007GR03 Phys.Rev. C 75, 015208 (2007)

V.Yu.Grishina, M.Buscher, L.A.Kondratyuk

K^-3He and K⁺K^- interactions in the pd → ³HeK⁺K^- reaction

NUCLEAR REACTIONS ²H(p, K⁺K^-), E ≈ threshold; analyzed kaon pair spectra, related data; deduced scattering lengths.

doi: 10.1103/PhysRevC.75.015208
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2007ME11 Phys.Rev.Lett. 98, 242301 (2007)

T.Mersmann, A.Khoukaz, M.Buscher, D.Chiladze, S.Dymov, M.Hartmann, V.Hejny, A.Kacharava, I.Keshelashvili, P.Kulessa, Y.Maeda, M.Mielke, S.Mikirtychiants, H.Ohm, M.Papenbrock, D.Prasuhn, F.Rathmann, T.Rausmann, R.Schleichert, V.Serdyuk, H.-J.Stein, H.Stroher, A.Taschner, Yu.Valdau, C.Wilkin, A.Wronska

Precision Study of the η³He System Using the dp → ³Heη Reaction

NUCLEAR REACTIONS ¹H(d, X)³He, E not given; measured σ and asymmetry factor for η production. Searched for η³He quasibound state.

doi: 10.1103/PhysRevLett.98.242301
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD5077.

2007NE05 J.Phys.(London) G34, 627 (2007)

M.Nekipelov, M.Buscher, M.Hartmann, I.Keshelashvili, V.Kleber, V.Koptev, Y.Maeda, S.Mikirtychiants, R.Schleichert, A.Sibirtsev, H.Stroher, Yu.Valdau

Investigation of the reaction pp → pK⁰π⁺Λ in search of the pentaquark

NUCLEAR REACTIONS ¹H(p, pK⁰π⁺X), E at 3.65 GeV/c; measured hyperon production associated invariant mass, missing mass spectra; deduced total σ, upper limit for pentaquark production σ.

doi: 10.1088/0954-3899/34/4/002
Citations: PlumX Metrics

2006DY01 Phys.Lett. B 635, 270 (2006)

S.Dymov, M.Buscher, D.Gusev, M.Hartmann, V.Hejny, A.Kacharava, A.Khoukaz, V.Komarov, P.Kulessa, A.Kulikov, V.Kurbatov, N.Lang, G.Macharashvili, T.Mersmann, S.Merzliakov, S.Mikirtychiants, A.Mussgiller, D.Prasuhn, F.Rathmann, R.Schleichert, H.Stroher, Yu.Uzikov, C.Wilkin, S.Yaschenko

Production of the ¹S₀ diproton in the pp → ppπ⁰ reaction at 0.8 GeV

NUCLEAR REACTIONS ¹H(p, 2pπ⁰), E=0.8 GeV; measured particle momentum distributions, missing mass spectra; deduced π⁰ production σ(E, θ). Comparison with other results.

doi: 10.1016/j.physletb.2006.03.012
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2006DZ01 Eur.Phys.J. A 29, 245 (2006)

A.Dzyuba, V.Kleber, M.Buscher, V.P.Chernyshev, S.Dymov, P.Fedorets, V.Grishina, C.Hanhart, M.Hartmann, V.Hejny, L.Kondratyuk, V.Koptev, P.Kulessa, Y.Maeda, T.Mersmann, S.Mikirtychyants, M.Nekipelov, D.Prasuhn, R.Schleichert, A.Sibirtsev, H.J.Stein, H.Stroher, I.Zychor

Scalar-isovector K(K-bar) production close to threshold

NUCLEAR REACTIONS ¹H(p, K⁺K⁰), E=2.65, 2.83 GeV; measured invariant mass and angular distributions; deduced total σ.

doi: 10.1140/epja/i2006-10087-7
Citations: PlumX Metrics

2006FE01 Phys.Atomic Nuclei 69, 306 (2006)

P.V.Fedorets, M.Buscher, V.P.Chernyshev, S.N.Dymov, V.Yu.Grishina, C.Hanhart, M.Hartmann, V.Hejny, V.Kleber, H.R.Koch, L.A.Kondratyuk, V.P.Koptev, A.E.Kudryavtsev, P.Kulessa, S.I.Merzliakov, S.M.Mikirtychiants, M.E.Nekipelov, H.Ohm, R.Schleichert, H.Stroher, V.E.Tarasov, K.-H.Watzlawik, I.Zychor

a⁺₀(980)-Resonance Production in the Reaction pp → dπ⁺η Close to the K(K-bar) Threshold

NUCLEAR REACTIONS ¹H(p, dπ⁺X), E=2.65 GeV; measured particle spectra, η-meson production associated σ(E, θ); deduced a₀⁺ resonance production.

doi: 10.1134/S1063778806020153
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2006HA22 Phys.Rev.Lett. 96, 242301 (2006); Erratum Phys.Rev.Lett. 97, 029901(2006)

M.Hartmann, Y.Maeda, I.Keshelashvili, H.R.Koch, S.Mikirtytchiants, S.Barsov, W.Borgs, M.Buscher, V.I.Dimitrov, S.Dymov, V.Hejny, V.Kleber, V.Koptev, P.Kulessa, T.Mersmann, S.Merzliakov, A.Mussgiller, M.Nekipelov, M.Nioradze, H.Ohm, K.Pysz, R.Schleichert, H.J.Stein, H.Stroher, K.-H.Watzlawik, P.Wustner

Near-Threshold Production of φ Meson in pp Collisions

NUCLEAR REACTIONS ¹H(p, pX), E ≈ threshold; measured kaon pair invariant mass spectra, φ meson production σ, σ(θ); deduced final-state interaction effect. Comparison with model predictions.

doi: 10.1103/PhysRevLett.96.242301
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2006MA64 Phys.Rev.Lett. 97, 142301 (2006)

Y.Maeda, M.Hartmann, I.Keshelashvili, S.Barsov, M.Buscher, A.Dzyuba, S.Dymov, V.Hejny, A.Kacharava, V.Kleber, H.R.Koch, V.Koptev, P.Kulessa, T.Mersmann, S.Mikirtytchiants, A.Mussgiller, M.Nekipelov, H.Ohm, R.Schleichert, H.J.Stein, H.Stroher, Yu.Valdau, K.H.Watzlawik, C.Wilkin, P.Wustner

Precision Measurement of the Quasifree pn → dφ Reaction Close To Threshold

NUCLEAR REACTIONS ²H(p, dK⁺K^-), E=2.65 GeV; measured deuteron spectrum, kaon pair invariant mass spectra, angular distributions. ¹n(p, X), E ≈ threshold; deduced φ meson production σ, σ(θ).

doi: 10.1103/PhysRevLett.97.142301
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2006ZY01 Phys.Rev.Lett. 96, 012002 (2006)

I.Zychor, V.Koptev, M.Buscher, A.Dzyuba, I.Keshelashvili, V.Kleber, H.R.Koch, S.Krewald, Y.Maeda, S.Mikirtichyants, M.Nekipelov, H.Stroher, C.Wilkin

Evidence for an Excited Hyperon State in pp → pK⁺Y⁰

NUCLEAR REACTIONS ¹H(p, pK⁺X), E at 3.65 GeV/c; measured missing mass spectra; deduced possible neutral hyperon resonance.

doi: 10.1103/PhysRevLett.96.012002
Citations: PlumX Metrics

2005BU24 Nucl.Phys. A754, 231c (2005)

M.Buscher

Strangeness production in pp and pn reactions at COSY

NUCLEAR REACTIONS ^1,2H(p, K⁺X), E at 2.83 GeV/c; measured hyperon production associated σ(E, θ), kaon pair production, related features.

doi: 10.1016/j.nuclphysa.2005.01.035
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2005GR17 Eur.Phys.J. A 25, 159 (2005)

V.Yu.Grishina, L.A.Kondratyuk, A.Sibirtsev, M.Buscher, S.Krewald, U.-G.Meissner, F.P.Sassen

The K^-α scattering length and the reaction dd → α K⁺K^-

NUCLEAR REACTIONS ²H(d, K⁺K^-), E ≈ threshold; calculated final state interaction enhancement factor, invariant mass distribution. Multiple scattering approach.

doi: 10.1140/epja/i2005-10089-y
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2005HA38 Nucl.Phys. A755, 459c (2005)

M.Hartmann, Y.Maeda, I.Keshelashvili, H.R.Koch, S.Mikirtichyants, S.Barsov, W.Borgs, M.Buscher, V.Hejny, V.Kleber, V.Koptev, P.Kulessa, T.Mersmann, A.Mussgiller, H.Ohm, K.Pysz, R.Schleichert, H.J.Stein, H.Stroher, K.-H.Watzlawik, P.Wustner

φ-meson production in pp collisions close to threshold

NUCLEAR REACTIONS ¹H(p, pX), E ≈ threshold; measured φ-meson production σ, invariant mass spectra.

doi: 10.1016/j.nuclphysa.2005.03.126
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2005ZY01 Nucl.Phys. A755, 403c (2005)

I.Zychor, V.Koptev, M.Buscher, A.Dzyuba, I.Keshelashvili, V.Kleber, R.Koch, S.Krewald, Y.Maeda, S.Mikirtichyants, M.Nekipelov, H.Stroher, C.Wilkin

Indication of an excited hyperon state in pp collisions with ANKE at COSY-Julich

NUCLEAR REACTIONS ¹H(p, K⁺X), E at 3.65 GeV/c; measured missing mass spectra; deduced hyperon resonance.

doi: 10.1016/j.nuclphysa.2005.03.045
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2004BA81 Eur.Phys.J. A 21, 521 (2004)

S.Barsov, I.Lehmann, R.Schleichert, C.Wilkin, M.Buscher, S.Dymov, Ye.Golubeva, M.Hartmann, V.Hejny, A.Kacharava, I.Keshelashvili, A.Khoukaz, V.Komarov, L.A.Kondratyuk, N.Lang, G.Macharashvili, T.Mersmann, S.Merzliakov, A.Mussgiller, M.Nioradze, A.Petrus, H.Stroher, Y.Uzikov, B.Zalikhanov

Near-threshold production of ω-mesons in the pn → dω reaction

NUCLEAR REACTIONS ²H(p, pdX), E at 2.6-2.9 GeV/c; measured deuteron and proton spectra, missing mass spectra, ω-meson production σ.

doi: 10.1140/epja/i2003-10220-2
Citations: PlumX Metrics

2004BU14 Acta Phys.Pol. B35, 1055 (2004)

M.Buscher, for the ANKE Collaboration

First Results on K⁺ Production in pp and pD Interactions from ANKE and Planned Experiments on the Light Scalar Resonances a₀0/f₀(980) at COSY

NUCLEAR REACTIONS ^1,2H(p, K⁺X), E=2.02 GeV; measured kaon production σ(E, θ), missing mass spectra; deduced resonance contributions.

2004BU22 Eur.Phys.J. A 22, 301 (2004)

M.Buscher, V.Koptev, M.Nekipelov, Z.Rudy, H.Stroher, Yu.Valdau, S.Barsov, M.Hartmann, V.Hejny, V.Kleber, N.Lang, I.Lehmann, S.Mikirtychiants, H.Ohm

Inclusive K⁺-meson production in proton-nucleus interactions

NUCLEAR REACTIONS ²H, ¹²C(p, K⁺X), E=1.0-2.3 GeV; measured σ, σ(E, θ). Cu, Ag, Au(p, K⁺X), E=1.0-2.3 GeV; measured relative total σ; deduced in-medium effects.

doi: 10.1140/epja/i2004-10036-6
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2004GR25 Eur.Phys.J. A 21, 507 (2004)

V.Yu.Grishina, L.A.Kondratyuk, M.Buscher, W.Cassing

Near-threshold production of a₀(980)-mesons in the reaction pp → dK⁺(K-bar)⁰

NUCLEAR REACTIONS ¹H(p, K⁺K⁰), E ≈ threshold; calculated a₀ meson production associated invariant mass spectra, angular distributions, related features. Effective Lagrangian approach, quark-gluon strings model.

doi: 10.1140/epja/i2004-10004-2
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2004HA27 Phys.Lett. B 590, 39 (2004)

C.Hanhart, M.Buscher, W.Eyrich, K.Kilian, U.-G.Meissner, F.Rathmann, A.Sibirtsev, H.Stroher

How to measure the parity of the Θ⁺ in p(pol)p(pol) collisions

NUCLEAR REACTIONS ¹H(polarized p, X), E=high; calculated spin correlation coefficient, dependence on exotic baryon parity.

doi: 10.1016/j.physletb.2004.03.065
Citations: PlumX Metrics

2004SI29 Phys.Lett. B 601, 132 (2004)

A.Sibirtsev, M.Buscher, V.Yu.Grishina, C.Hanhart, L.A.Kondratyuk, S.Krewald, U.-G.Meissner

Determination of the (K-bar)⁰d scattering length from the reaction pp → d(K-bar)⁰⁾K⁺

NUCLEAR REACTIONS ¹H(p, K⁺K⁰), E=2.65 GeV; analyzed mass spectra; deduced scattering lengths.

doi: 10.1016/j.physletb.2004.09.044
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2003DY01 Phys.Scr. T104, 26 (2003)

S.Dymov, M.Buscher, W.Erven, M.Hartmann, A.Kacharava, A.Khoukaz, F.Klehr, R.Koch, V.Komarov, A.Kulikov, V.Kurbatov, N.Lang, G.Macharashvili, R.Maier, S.Merzliakov, S.Mikirtychiants, H.Muller, M.Nioradze, H.Ohm, A.Petrus, D.Prasuhn, H.Paetz gen.Schieck, F.Rathmann, R.Schleichert, H.Seyfarth, H.J.Stein, H.Stroher, Yu.Uzikov, K.Watzlawik, S.Yaschenko, B.Zalikhanov, N.Zhuravlev, K.Zwoll, and the ANKE Collaboration

Proton Induced Deuteron Break-up with Emission of a Fast Forward Proton Pair

NUCLEAR REACTIONS ²H(p, 2p), E=0.6-1.9 GeV; measured σ(θ) for forward S-wave proton pair emission, relative energy, missing mass. Kinematically complete measurement, comparison with model predictions.

doi: 10.1238/Physica.Topical.104a00026
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2003KL16 Phys.Rev.Lett. 91, 172304 (2003)

V.Kleber, M.Buscher, V.Chernyshev, S.Dymov, P.Fedorets, V.Grishina, C.Hanhart, M.Hartmann, V.Hejny, A.Khoukaz, H.R.Koch, V.Komarov, L.Kondratyuk, V.Koptev, N.Lang, S.Merzliakov, S.Mikirtychiants, M.Nekipelov, H.Ohm, A.Petrus, D.Prasuhn, R.Schleichert, A.Sibirtsev, H.J.Stein, H.Stroher, K.-H.Watzlawik, P.Wustner, S.Yaschenko, B.Zalikhanov, I.Zychor

a⁺₀(980)-Resonance Production in pp → dK⁺(K-bar)⁰ Reactions Close to Threshold

NUCLEAR REACTIONS ¹H(p, K⁺K⁰), E=2.65 GeV; measured angular and invariant mass distributions, total σ; deduced resonance production.

doi: 10.1103/PhysRevLett.91.172304
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2003KO03 Phys.Lett. B 553, 179 (2003)

V.Komarov, S.Dymov, A.Kacharava, A.Kulikov, G.Macharashvili, A.Petrus, F.Rathmann, H.Seyfarth, H.Stroher, Yu.Uzikov, S.Yaschenko, B.Zalikhanov, M.Buscher, W.Erven, M.Hartmann, A.Khoukaz, R.Koch, V.Kurbatov, N.Lang, R.Maier, S.Merzliakov, S.Mikirtychiants, H.Muller, M.Nioradze, H.Ohm, D.Prasuhn, R.Santo, H.Paetz gen.Schieck, R.Schleichert, H.J.Stein, K.Watzlawik, N.Zhuravlev, K.Zwoll

Proton-induced deuteron breakup at GeV energies with forward emission of a fast proton pair

NUCLEAR REACTIONS ²H(p, 2p), E=0.6-1.9 GeV; measured Ep, pp-coin, σ(E, θ) for forward pair emission. Comparison with model predictions.

doi: 10.1016/S0370-2693(02)03233-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1853.

2003KO10 Yad.Fiz. 66, 155 (2003); Phys.Atomic Nuclei 66, 152 (2003)

L.A.Kondratyuk, E.L.Bratkovskaya, V.Yu.Grishina, M.Buscher, W.Cassing, H.Stroher

Near-Threshold Production of α₀(980) Mesons in πN and NN Collisions and a₀-f₀ Mixing

NUCLEAR REACTIONS ¹H(π^-, X), (p, X), (n, X), E ≈ threshold; calculated a₀ meson production σ, contributions to kaon pair production, isospin violation effects. Effective Lagrangian approach, one-pion exchange.

doi: 10.1134/1.1540670
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2003KO30 Eur.Phys.J. A 17, 235 (2003)

V.Koptev, M.Nekipelov, M.Buscher, S.Dymov, M.Hartmann, V.Hejny, H.R.Koch, N.Lang, S.Mikirtichyants, H.Ohm, A.Petrus, Z.Rudy, R.Schleichert, A.Sibirtsev, K.Sistemich, H.Stroher, K.-H.Watzlawik

Observation of K⁺d correlations from pA collisions

NUCLEAR REACTIONS C(p, dK⁺X), E=1200, 2300 MeV; ²H(p, pK⁺X), E=1344 MeV; measured particle spectra, kaon-proton and kaon-deuteron correlations; deduced reaction mechanism features.

doi: 10.1140/epja/i2002-10158-9
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2002BR39 J.Phys.(London) G28, 2423 (2002)

E.L.Bratkovskaya, V.Yu.Grishina, L.A.Kondratyuk, M.Buscher, W.Cassing

Production of a₀ Mesons in pp and pn Reactions

NUCLEAR REACTIONS ¹H(p, X), (n, X), E ≈ threshold; calculated a₀ meson production σ. ¹H(p, pK⁺K⁰), (p, pK⁺K^-), E ≈ threshold; analyzed kaon pair invariant mass spectra, light scalar meson contribution.

doi: 10.1088/0954-3899/28/9/307
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2002BU01 Phys.Rev. C65, 014603 (2002)

M.Buscher, B.L.Ioffe, V.Koptev, M.Nekipelov, A.Sibirtsev, K.Sistemich, J.Speth, H.Stroher

Phenomenological Analysis of K⁺-Meson Production in Proton-Nucleus Collisions

NUCLEAR REACTIONS C, Na, F, Pb(p, K⁺X), E=0.8-2.9 GeV; analyzed kaon production σ, σ(θ).

doi: 10.1103/PhysRevC.65.014603
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2002BU10 Nucl.Instrum.Methods Phys.Res. A481, 378 (2002)

M.Buscher, H.Junghans, V.Koptev, M.Nekipelov, K.Sistemich, H.Stroher, S.Barsov, G.Borchert, W.Borgs, M.Debowski, W.Erven, R.Esser, P.Fedorets, D.Gotta, M.Hartmann, V.Hejny, A.Kacharava, H.R.Koch, V.Komarov, P.Kulessa, A.Kulikov, G.Macharashvili, S.Merzliakov, S.Mikirtychiants, H.Muller, A.Mussgiller, R.Nellen, M.Nioradze, H.Ohm, A.Petrus, F.Rathmann, Z.Rudy, R.Schleichert, Chr.Schneider, O.W.B.Schult, H.J.Stein, I.Zychor

Identification of K⁺-Mesons from Subthreshold pA Collisions with ANKE at COSY-Julich

NUCLEAR REACTIONS ¹²C(p, K⁺X), E=1.0 GeV; measured kaon production σ(E, θ).

doi: 10.1016/S0168-9002(01)01401-2
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2002NE08 Phys.Lett. 540B, 207 (2002)

M.Nekipelov, M.Buscher, W.Cassing, M.Hartmann, V.Hejny, V.Kleber, H.R.Koch, V.Koptev, Y.Maeda, R.Maier, S.Merzliakov, S.Mikirtychiants, H.Ohm, A.Petrus, D.Prasuhn, F.Rathmann, Z.Rudy, R.Schleichert, H.Schneider, K.Sistemich, H.J.Stein, H.Stroher, K.-H.Watzlawik, C.Wilkin

Evidence of Kaon Nuclear and Coulomb Potential Effects on Soft K⁺ Production from Nuclei

NUCLEAR REACTIONS C, Cu, Ag, Au(p, K⁺X), E=1.5-2.3 GeV; measured relative kaon production σ vs momentum; deduced role of Coulomb and nuclear repulsion.

doi: 10.1016/S0370-2693(02)02176-7
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2001AB34 Phys.Lett. 521B, 158 (2001)

V.Abaev, M.Buscher, S.Dymov, M.Hartmann, A.Kacharava, V.I.Komarov, V.Koptev, V.Kurbatov, S.Mikirtychiants, M.Nekipelov, A.Petrus, H.Stroher, Yu.N.Uzikov, C.Wilkin, S.Yashenko

Spin-Triplet Final-State Dominance in the pp → pnπ⁺ Reaction at 492 MeV

NUCLEAR REACTIONS ¹H(p, pπ⁺), E=492 MeV; measured proton momenta, σ(E, θ). Comparison with model predictions.

doi: 10.1016/S0370-2693(01)01229-1
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2001GO33 Eur.Phys.J. A 11, 237 (2001)

Ye.S.Golubeva, L.A.Kondratyuk, M.Buscher, W.Cassing, V.Hejny, H.Stroher

Medium Effects in the Production and π⁰γ Decay of ω-Mesons in pA Collisions in the GeV Region

NUCLEAR REACTIONS C, Ca, Cu, Ag, Pb(p, X), E=1.9-2.4 GeV; calculated momentum and invariant mass distributions, σ for π⁰γ and ω-mesons production. Intranuclear Cascade model, comparison with data.

doi: 10.1007/s100500170088
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2001GR33 Phys.Lett. 521B, 217 (2001)

V.Yu.Grishina, L.A.Kondratyuk, M.Buscher, W.Cassing, H.Stroher

a₀(980)-f₀(980) Mixing and Isospin Violation in the Reactions pN → da₀, pd → ³He/³Ha₀ and dd → ⁴Hea₀

NUCLEAR REACTIONS ¹n, ¹H(p, dX), ²H(p, tX), (p, ³HeX), (d, αX), E ≈ threshold; calculated a₀-meson production σ, isospin violation effects.

doi: 10.1016/S0370-2693(01)01210-2
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2001KO37 Phys.Rev.Lett. 87, 022301 (2001)

V.Koptev, M.Buscher, H.Junghans, M.Nekipelov, K.Sistemich, H.Stroher, V.Abaev, H.-H.Adam, R.Baldauf, S.Barsov, U.Bechstedt, N.Bongers, G.Borchert, W.Borgs, W.Brautigam, W.Cassing, V.Chernyshev, B.Chiladze, M.Debowski, J.Dietrich, M.Drochner, S.Dymov, J.Ernst, W.Erven, R.Esser, P.Fedorets, A.Franzen, D.Gotta, T.Grande, D.Grzonka, G.Hansen, M.Hartmann, V.Hejny, L.von Horn, L.Jarczyk, A.Kacharava, B.Kamys, A.Khoukaz, T.Kirchner, S.Kistryn, F.Klehr, H.R.Koch, V.Komarov, S.Kopyto, R.Krause, P.Kravtsov, V.Kruglov, P.Kulessa, A.Kulikov, V.Kurbatov, N.Lang, N.Langenhagen, I.Lehmann, A.Lepges, J.Ley, B.Lorentz, G.Macharashvili, R.Maier, S.Martin, S.Merzliakov, K.Meyer, S.Mikirtychyants, H.Muller, P.Munhofen, A.Mussgiller, V.Nelyubin, M.Nioradze, H.Ohm, A.Petrus, D.Prasuhn, B.Prietzschk, H.J.Probst, D.Protic, K.Pysz, F.Rathmann, B.Rimarzig, Z.Rudy, R.Santo, H.Paetz gen.Schieck, R.Schleichert, A.Schneider, Chr.Schneider, H.Schneider, G.Schug, O.W.B.Schult, H.Seyfarth, A.Sibirtsev, J.Smyrski, H.Stechemesser, E.Steffens, H.J.Stein, A.Strzalkowski, K.-H.Watzlawik, C.Wilkin, P.Wustner, S.Yashenko, B.Zalikhanov, N.Zhuravlev, P.Zolnierczuk, K.Zwoll, I.Zychor

Forward K⁺ Production in Subthreshold pA Collisions at 1.0 GeV

NUCLEAR REACTIONS C, Cu, ¹⁹⁷Au(p, K⁺X), E=1.0 GeV; measured kaon momenta, σ(θ).

doi: 10.1103/PhysRevLett.87.022301
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2000GO06 Eur.Phys.J. A 7, 271 (2000)

Ye.S.Golubeva, W.Cassing, L.A.Kondratyuk, A.Sibirtsev, M.Buscher

Studying the ωN Elastic and Inelastic Cross Section with Nucleons

NUCLEAR REACTIONS ²H(p-bar, X), E not given; calculated proton-spectators momentum distributions. ²H(p, X), E=high; calculatedproton-spectators momentum distributions, π⁰ and γ momentum distributions. ¹²C(p, X), E=2.0-2.7 GeV; calculated ω-meson momentum distributions and production σ. Multiple Scattering Monte Carlo Approach.

doi: 10.1007/s100500050391
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2000GR04 Phys.Lett. 475B, 9 (2000)

V.Yu.Grishina, L.A.Kondratyuk, M.Buscher, J.Haidenbauer, C.Hanhart, J.Speth

η- and η'-Meson Production in the Reaction pn → dM Near Threshold

NUCLEAR REACTIONS ¹n(p, dX), E ≈ threshold; calculated η, η' production associated σ; deduced meson exchange contributions. Two-step model, comparisons with data.

doi: 10.1016/S0370-2693(00)00048-4
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2000GR29 Yad.Fiz. 63, No 10, 1913 (2000); Phys.Atomic Nuclei 63, 1824 (2000)

V.Yu.Grishina, L.A.Kondratyuk, M.Buscher

Near-Threshold ω- and φ-Meson Production in pn → dM Reactions and OZI-Rule Violation

NUCLEAR REACTIONS ¹H(n, dX), E ≈ threshold; calculated ω-, φ-meson production σ. Two-step model, comparisons with data.

doi: 10.1134/1.1320152
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2000GR30 Eur.Phys.J. A 9, 277 (2000)

V.Yu.Grishina, L.A.Kondratyuk, E.L.Bratkovskaya, M.Buscher, W.Cassing

Production of a₀-Mesons in the Reactions πN → a₀N and pp → da₀⁺ at GeV Energies

NUCLEAR REACTIONS ¹H(π^-, X), E at 1.5-20 GeV/c; ¹H(p, dX), E ≈ 2.6 GeV; calculated a₀-meson production associated σ, σ(θ).

doi: 10.1007/s100500070045
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1996BU18 Z.Phys. A355, 93 (1996)

M.Buscher, R.Esser, A.Franzen, L.von Horn, D.Kopyto, H.Ohm, H.Seyfarth, K.Sistemich, H.Muller, B.Prietzschk, B.Rimarzig, C.Schneider, C.Schneidereit, A.Akindinov, M.Chumakov, V.Demechin, V.Ergakov, A.Gerasimov, V.Goryachev, Y.Kiselev, V.Kostromin, A.A.Sibirtsev, V.Sopov, V.Tchernyshev, V.Kruglov, A.Petrus, V.Koptev, S.Mikirtychyants

K⁺-Meson Production in pBe Interactions at T(p) = 2.9 GeV

NUCLEAR REACTIONS ⁹Be(p, X), E=2.9 GeV; measured p, K⁺, π⁺ production associated invariant σ; deduced σ(θ, E(particle)) ratio.

doi: 10.1007/s002180050083
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1996BU51 Acta Phys.Pol. B27, 3087 (1996)

M.Buscher, for the ANKE Collaboration

Planned Meson-Production Studies with ANKE at COSY

1995SC07 Nucl.Phys. A583, 629c (1995)

O.W.B.Schult, K.Sistemich, V.Koptev, H.Muller, W.Cassing, L.Jarczyk, V.I.Komarov, A.Sibirtsev, J.Ernst, R.Santo, M.Nioradze, A.V.Kulikov, A.Hardt, N.S.Amaglobeli, M.Buscher, U.Bechstedt, W.Borgs, B.Childaze, T.Demski, S.Dienel, H.Dombrowski, S.V.Dshemuchadze, R.Esser, A.Franzen, L.Glonti, D.Gotta, D.Grzonka, F.Hinterberger, L.von Horn, M.Ivanov, A.Kacharav, B.Kamys, W.Klein, W.Klimala, H.R.Koch, M.Kohler, D.Kopyto, S.Kopyto, K.W.Leege, G.Macharashvili, Z.Menteshashvili, G.Muller, W.Oehme, W.Oelert, H.Ohm, B.Prietzschk, A.Puzynin, A.Petrus, B.Rimarzig, Z.Rudy, R.Schleichert, Chr.Schneider, Chr.Schneidereit, H.Seyfarth, U.Sieling, J.Smyrski, H.Stechemesser, A.Strzalkowski, W.Tenten, S.V.Trusov, V.Chernyshev, K.-H.Watzlawik, B.Zh.Zalykhanov, N.I.Zhuravlev, P.Zolnierczuk, K.Zwoll

Plans for Investigations of Subthreshold K⁺ Production in p + A Collisions

doi: 10.1016/0375-9474(94)00737-8
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1995SI17 Z.Phys. A351, 333 (1995)

A.Sibirtsev, M.Buscher, H.Muller, Ch.Schneidereit

K^--Meson Production in Proton-Nucleus Collisions

NUCLEAR REACTIONS ¹H(p, X), (π^-, X), E=high; ⁹Be, Cu(p, X), E=5.5-9.2 GeV; ¹⁹⁷Au(p, X), E not given; measured K^--meson momentum spectra, production σ(E). Rossendorf-collision, folding models.

doi: 10.1007/BF01290917
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1994BU20 Z.Phys. A350, 161 (1994)

M.Buscher, A.A.Sibirtsev, K.Sistemich

Fast Deuteron Production in Proton-Nucleus Interactions

NUCLEAR REACTIONS ⁹Be, ²⁷Al, Cu, Ta(p, X), E=3 GeV; analyzed deuteron production invariant differential σ data. Coalescence mechanism, final state interactions, other data considered.

1994SI05 Z.Phys. A347, 191 (1994)

A.A.Sibirtsev, M.Buscher

Subthreshold K⁺ Production in Proton-Nucleus Collisions

NUCLEAR REACTIONS ¹²C(p, K⁺X), E=0.8-2.2 GeV; Pb, Cu, ⁹Be(p, K⁺X), E=0.8-1 GeV; analyzed K⁺ production σ(E), momentum spectra; ¹²C(p, X), E=1, 1.5 GeV; analyzed inclusive (dK⁺) production spectra. First collision, two-step models.

doi: 10.1007/BF01292376
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1990BU01 Phys.Rev. C41, 1115 (1990)

M.Buscher, R.F.Casten, R.L.Gill, R.Schuhmann, J.A.Winger, H.Mach, M.Moszynski, K.Sistemich

Coexistence Features in the Spherical-Deformed A ≈ 100 Transition Region: Picosecond lifetime measurements in ⁹⁷Sr, ⁹⁷Y, and ⁹⁷Zr

RADIOACTIVITY ⁹⁷Sr, ⁹⁷Y, ⁹⁷Zr [from ²³⁵U(n, F), E=thermal]; measured βγγ-coin. ⁹⁷Sr levels deduced T_1/2, γ-multipolarity, B(λ), intrinsic quadrupole moment. ⁹⁷Y levels deduced T_1/2, γ-multipolarity, B(λ). ⁹⁷Zr levels deduced T_1/2. Plastic BaF₂, Ge detectors, fast timing.

doi: 10.1103/PhysRevC.41.1115
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1989MA33 Phys.Rev.Lett. 63, 143 (1989)

H.Mach, M.Moszynski, R.F.Casten, R.L.Gill, D.S.Brenner, J.A.Winger, W.Krips, C.Wesselborg, M.Buscher, F.K.Wohn, A.Aprahamian, D.Alburger, A.Gelberg, A.Piotrowski

Picosecond Lifetime Measurements in ^116,118,120Cd and the Structure of Normal and Intruder States

RADIOACTIVITY ^116,118,120Ag(β^-); measured βγγ-coin. ^116,118,120Cd deduced levels, J, π, T_1/2, B(λ).

doi: 10.1103/PhysRevLett.63.143
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