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NSR database version of May 24, 2024.

Search: Author = P.Bydzovsky

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2023BY03      Phys.Rev. C 108, 024615 (2023)

P.Bydzovsky, D.Denisova, D.Petrellis, D.Skoupil, P.Vesely, G.De Gregorio, F.Knapp, N.Lo Iudice

Self-consistent many-body approach to the electroproduction of hypernuclei

NUCLEAR REACTIONS 12C(e, eK+)12B, 16O(e, eK+)16N, 40Ca(e, eK+)40K, 48Ca(e, eK+)48K, E*<31 MeV; calculated differential σ(θ) for hypernuclei electroproduction, excitation spectrum, σ of electroproduction for selected hypernucleus states. Microscopic self-consistent many-body mean field approach, known as Tamm-Dancoff for hypernuclei extended by equation of motion phonon method (EMPM). Comparison to available experimental data and empirical shell-model calculations. Relevance to the preparation of planned E12-15-008 experiment at JLab.

NUCLEAR STRUCTURE 12B, 16N, 28Al, 40K, 48K; calculated Λ binding energy for hypernuclei. 40K, 48K; calculated levels of hypernuclei, J, π, proton and Λ single particle states. Tamm-Dancoff formalism with the NF YNG interaction and elementary amplitudes - SLA and BS3.

doi: 10.1103/PhysRevC.108.024615
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2022BY02      Phys.Rev. C 106, 044609 (2022)

P.Bydzovsky, D.Denisova, D.Skoupil, P.Vesely

Fermi motion effects in electroproduction of hypernuclei

NUCLEAR REACTIONS 12C(e, eK+)12B, Q2=0.06(GeV/c)2; calculated full electroproduction σ(θ) for the selected states of 12B hypernuclei, contributions from the transverse, longitudinal, and transverse-longitudinal interference parts to the full σ. Distorted-wave impulse approximation (DWIA) with two-component Chew-Goldberger-Low-Nambu-like (CGLN-like) form of the elementary amplitude which allows its use in a general reference frame moving with respect to the nucleus rest frame. Comparison with experimental results for 12B, 9Li, 16N hypernuclei electroproduction.

doi: 10.1103/PhysRevC.106.044609
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2021BY03      Phys.Rev. C 104, 065202 (2021)

P.Bydzovsky, A.Cieply, D.Petrellis, D.Skoupil, N.Zachariou

Model selection for K+ Σ- photoproduction within an isobar model

NUCLEAR REACTIONS 1n(polarized γ, K+Σ-), E=1150, 1350, 1150, 1750, 1950, 2150, 2350, 2550 MeV, [neutrons from 2H target]; analyzed experimental data from LEPS ad CLAS collaborations for differential cross section σ(Eγ, θ(K+)) as a functions of kaon center-of-mass angle, and incident photon energy, photon beam asymmetries as functions of kaon center-of-mass angle and incident photon energy. Isobar model for investigation of K+Σ- photoproduction off a neutron in the resonance region, with free parameters of the model fitted to experimental data from LEPS and CLAS Collaborations, and including masses and widths of resonances taken from Particle Data Group (PDG) Breit-Wigner evaluations.

doi: 10.1103/PhysRevC.104.065202
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2019BY03      Phys.Rev. C 100, 035202 (2019)

P.Bydzovsky, D.Skoupil

Photoproduction of K+Λ within a Regge-plus-resonance model

NUCLEAR REACTIONS 1H(γ, K+), E=1.6-6 GeV; calculated total σ(E), differential σ(θ, E), hyperon polarization, double-polarization observables using RPR-BS and RPR-BS(pv) models using MINUIT code for parameter optimization. Comparison with experimental data from CLAS 2004, CLAS 2005, CLAS 2010, CLAS 2016, GRAAL, LEPS 2006, and LEPS 2018 collaborations. Hybrid Regge-plus-resonance model, with a novel treatment of gauge-invariance restoration for kaon photoproduction off the proton target in and above the resonance region.

doi: 10.1103/PhysRevC.100.035202
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2018SK02      Phys.Rev. C 97, 025202 (2018)

D.Skoupil, P.Bydzovsky

Photo- and electroproduction of K+Λ with a unitarity-restored isobar model

NUCLEAR REACTIONS 1H(γ, K+), E=1.6-2.6 GeV; calculated total σ(E) using BS3 model, differential σ(E, θ), hyperon polarization, double-polarization observables, energy dependence of transverse and longitudinal cross sections using BS1, BS3, Saclay-Lyon and Kaon-MAID models for four kaon center-of-mass angles using MINUIT code, and compared with experimental data from CLAS 2005, CLAS 2010, MAMI and LEPS collaborations. New version of the isobar model BS3 for kaon photo- and electroproduction on the proton in the resonance region.

doi: 10.1103/PhysRevC.97.025202
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2016BE17      Prog.Theor.Exp.Phys. 2016, 063D01 (2016)

B.Beckford, P.Bydzovsky, A.Chiba, D.Doi, T.Fujii, Y.Fujii, K.Futatsukawa, T.Gogami, O.Hashimoto, Y.C.Han, K.Hirose, R.Honda, K.Hosomi, T.Ishikawa, H.Kanda, M.Kaneta, Y.Kaneko, S.Kato, D.Kawama, C.Kimura, S.Kiyokawa, T.Koike, K.Maeda, K.Makabe, M.Matsubara, K.Miwa, S.Nagao, S.N.Nakamura, A.Okuyama, K.Shirotori, K.Sugihara, K.Suzuki, T.Tamae, H.Tamura, K.Tsukada, F.Yamamoto, T.O.Yamamoto, F.Yonemoto, H.Yamazaki

Near threshold angular distributions for the 2H(γ, Λ)X reaction

NUCLEAR REACTIONS 2H(γ, Λ), E=0.95-1.08 GeV; measured reaction products; deduced σ(θ, p). Comparison with available data.

doi: 10.1093/ptep/ptw071
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2016SK01      Phys.Rev. C 93, 025204 (2016)

D.Skoupil, P.Bydzovsky

Photoproduction of KΛ on the proton

NUCLEAR REACTIONS 1H(γ, K+)Λ, E=threshold-2.4 GeV; analyzed σ for hyperon production, σ(θ) and polarization data using two new isobar models and several hadron form factors; deduced consistency with the results of the Saclay-Lyon model.

doi: 10.1103/PhysRevC.93.025204
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2013BY01      Nucl.Phys. A914, 14c (2013)

P.Bydzovsky, D.Skoupil

Theory of the electromagnetic production of hyperons

NUCLEAR REACTIONS 1n(γ, K0), E=0.97 GeV;1H(γ, K+), E=1.3, 2.2, 8 GeV;1H(e, e'K+), E=1.75, 1.84 GeV;2H(γ, Λ), E=1 GeV; calculated hypernuclei σ(θ) using Saclay-Lyon, Kaon-MAID and H2 models. Compared to data.

doi: 10.1016/j.nuclphysa.2012.12.125
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2013GA33      Nucl.Phys. A914, 34c (2013)

F.Garibaldi, P.Bydzovsky, E.Cisbani, F.Cusanno, R.De Leo, S.Frullani, M.Iodice, J.J.LeRose, P.Markowitz, D.J.Millener, G.M.Urciuoli, for the Hall A Collaboration

High resolution hypernuclear spectroscopy at Jefferson Lab Hall A

NUCLEAR REACTIONS 12C(e, e'K+), E at 1.56 GeV/c; calculated hypernucleus σ(Ea, E*). Compared to published data.

doi: 10.1016/j.nuclphysa.2013.02.054
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2012AC01      Eur.Phys.J. A 48, 14 (2012)

P.Achenbach, C.Ayerbe Gayoso, J.C.Bernauer, S.Bianchin, R.Bohm, O.Borodina, D.Bosnar, M.Bosz, V.Bozkurt, P.Bydzovsky, L.Debenjak, M.O.Distler, A.Esser, I.Friscic, M.Gomez-Rodriguez, B.Gokuzum, K.Griessinger, P.Jennewein, E.Kim, M.Makek, H.Merkel, S.Minami, U.Muller, D.Nakajima, L.Nungesser, B.Ozel-Tashenov, J.Pochodzalla, Ch.Rappold, T.R.Saito, S.Sanchez Majos, B.S.Schlimme, S.Sirca, M.Weinriefer, C.J.Yoon

Exclusive electroproduction of K+Λ and K+Σ0 final states at Q2 = 0.030-0.055 (GeV/c)2

NUCLEAR REACTIONS 1H(e, e'K+)Λ, (e, e'K+0, E=1.508 GeV; measured reaction products using high-resolution magnetic spectrometers and Kaos spectrometer at Mainz MAMI microtron; deduced missing mass spectrum, coincidence time spectra, K+ yields, σ(θ); calculated K+ σ(θ) using different versions of K-maid model.

doi: 10.1140/epja/i2012-12014-9
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2012BY02      Nucl.Phys. A881, 199 (2012)

P.Bydzovsky, M.Sotona, T.Motoba, K.Itonaga, K.Ogawa, O.Hashimoto

Electromagnetic production of medium-mass Λ-hypernuclei

NUCLEAR REACTIONS 1H(γ, K+)Λ, E=0.9-2.2 GeV;1H(γ, K+)Λ, E(cm)=0.9-2.5 GeV; measured reaction products; deduced σ(θ); calculated σ(θ) using different models. 28Si(γ, K+)28λAl, E=1.3 GeV;40Ca(γ, K+)40ΛK, E=1.3 GeV;52Cr(γ, K+)52Λ, E=1.3 GeV; measured reaction products; deduced DDHF hypernucleus levels, J, π, configuration, σ(θ), spectroscopic factor; calculated levels, J, π, configuration, σ(θ), spectroscopic factor using DWIA, PWIA, other models.

doi: 10.1016/j.nuclphysa.2012.01.023
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2010BY02      Nucl.Phys. A835, 246c (2010)

P.Bydzovsky, M.Sotona

Strangeness Electromagnetic Production on Nucleons and Nuclei

NUCLEAR REACTIONS 1H(γ, K+), E=1.3, 2.2 GeV; analyzed σ(θ). Compared many models. 2H(γ, K+), (γ, K0), E=0.9-1.2 GeV; calculated Λ production σ(θ) using Saclay-Lyon and Kaon-MAID models. 12C(e, e'K+), E=2.2 GeV; calculated hypernucleus 12B null s(E, θ) using DWIA with Saclay-Lyon model.

doi: 10.1016/j.nuclphysa.2010.01.199
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2010CU02      Nucl.Phys. A835, 129c (2010)

F.Cusanno, A.Acha, P.Bydzovsky, C.C.Chang, E.Cisbani, C.W.De Jager, R.De Leo, S.Frullani, F.Garibaldi, D.W.Higinbotham, M.Iodice, J.J.LeRose, P.Markowitz, S.Marrone, M.Sotona, G.M.Urciuoli, and the JLab Hall A Collaboration

Update of High Resolution (e, e'K+) Hypernuclear Spectroscopy at Jefferson Lab's Hall A

NUCLEAR REACTIONS 9Be, 12C, 16O(e, eK+), E not given; calculated hypernuclei σ(θ, E) using DWIA with Saclay-Lyon interaction. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.185
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2010GA29      Int.J.Mod.Phys. E19, 2487 (2010)

F.Garibaldi, E.Cisbani, F.Cusanno, S.Frullani, M.Iodice, G.M.Urciuoli, R.De Leo, L.Lagamba, S.Marrone, J.J.LeRose, C.W.de Jager, R.J.Feuerbach, D.W.Higinbotham, B.Reitz, A.Acha, P.Markowitz, P.Bydzovsky, M.Sotona, C.C.Chang, J.Millener

High-resolution hypernuclear spectroscopy electron scattering at JLab, HALL A

NUCLEAR REACTIONS 9B, 12C, 16O(E, EK+)9Li/12B/16N, E=4 GeV; measured reaction products; deduced σ(θ, E), hypernuclear levels and relative strengths. Comparison with theoretical calculations.

doi: 10.1142/S0218301310016995
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2010MO25      Prog.Theor.Phys.(Kyoto), Suppl. 185, 224 (2010)

T.Motoba, P.Bydzovsky, M.Sotona, K.Itonaga

Spectroscopy of Electro- and Photo-Productions of Hypernuclei

NUCLEAR REACTIONS 9Be, 10B, 12C, 19F, 28Si, 40Ca(π+, K+), (π-, K-), (γ, K+), E<2.5 GeV; calculated hypernucleus production σ(θ), s(θ, E), hyperon recoil, excitation energy. Comparison with experimental data.

doi: 10.1143/PTPS.185.224
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2010MO34      Int.J.Mod.Phys. E19, 2470 (2010)

T.Motoba, P.Bydzovsky, M.Sotona, K.Itonaga, K.Ogawa, O.Hashimoto

Spectroscopy of Medium-mass hypernuclear production

NUCLEAR REACTIONS 12C, 28Si, 40Ca(γ, K+)12B/28Al/40K, E=1.3 GeV; calculated excitation spectra, photoproduction differential σ, hyperon recoil momentum.

doi: 10.1142/S0218301310016971
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2008LE08      Nucl.Phys. A804, 116 (2008)

J.J.LeRose, C.W.de Jager, R.J.Feuerbach, D.W.Higinbotham, B.Reitz, A.Acha, P.Markowitz, P.Bydzovsky, M.Sotona, C.C.Chang, E.Cisbani, F.Cusanno, S.Frullani, F.Garibaldi, R.De Leo, L.Lagamba, S.Marrone, M.Iodice, G.M.Urciuoli, for the Hall A Collaboration

Hypernuclear spectroscopy via (e, e' K+) in JLab's Hall A

NUCLEAR REACTIONS 9Be, 12C, 16O(e, e'K+), E=3.66 GeV; measured hypernuclei production excitation spectra, σ(E), missing mass spectra. 12B, 16N deduced hypernuclei levels, J, π.

doi: 10.1016/j.nuclphysa.2008.01.011
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Data from this article have been entered in the XUNDL database. For more information, click here.

2008SU13      Nucl.Phys. A807, 145 (2008)

Yu.S.Surovtsev, P.Bydzovsky

Analysis of the pion-pion scattering data and rho-like mesons

doi: 10.1016/j.nuclphysa.2008.04.005
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2008TS04      Phys.Rev. C 78, 014001 (2008); Erratum Phys.Rev. C 83, 039904 (2011)

K.Tsukada, T.Takahashi, T.Watanabe, Y.Fujii, K.Futatsukawa, O.Hashimoto, K.Hirose, K.Ito, S.Kameoka, H.Kanda, K.Maeda, A.Matsumura, Y.Miura, H.Miyase, S.N.Nakamura, H.Nomura, K.Nonaka, T.Osaka, Y.Okayasu, H.Tamura, H.Tsubota, M.Ukai, H.Yamauchi, M.Wakamatsu, T.Ishikawa, T.Kinoshita, F.Miyahara, T.Nakabayashi, H.Shimizu, T.Tamae, H.Yamazaki, A.Sasaki, O.Konno, P.Bydzovsky, M.Sotona

Photoproduction of neutral kaons on a liquid deuterium target in the threshold region

NUCLEAR REACTIONS 2H(γ, K0), E=0.8-1.1 GeV; measured mass spectra, momentum distributions, σ.

doi: 10.1103/PhysRevC.78.014001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2113.

2007BY03      Phys.Rev. C 76, 065202 (2007)

P.Bydzovsky, T.Mart

Analysis of the consistency of kaon photoproduction data with Λ in the final state

NUCLEAR REACTIONS p(γ, X)K+/Λ, E<2.6 GeV; calculated cross-sections.

doi: 10.1103/PhysRevC.76.065202
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2007WA31      Phys.Lett. B 651, 269 (2007)

T.Watanabe, P.Bydzovsky, K.Dobashi, S.Endo, Y.Fujii, O.Hashimoto, T.Ishikawa, K.Itoh, H.Kanda, M.Katoh, T.Kinoshita, O.Konno, K.Maeda, A.Matsumura, F.Miyahara, H.Miyase, T.Miyoshi, K.Mizunuma, Y.Miura, S.N.Nakamura, H.Nomura, Y.Okayasu, T.Osaka, M.Oyamada, A.Sasaki, T.Satoh, H.Shimizu, M.Sotona, T.Takahashi, T.Tamae, H.Tamura, T.Terasawa, H.Tsubota, K.Tsukada, M.Ukai, M.Wakamatsu, H.Yamauchi, H.Yamazaki

Photo-production of neutral kaons on 12C in the threshold region

doi: 10.1016/j.physletb.2007.06.033
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2064.

2005BY01      Nucl.Phys. A754, 243c (2005)

P.Bydzovsky, M.Sotona

Kaon electromagnetic production: constraints set by new data

NUCLEAR REACTIONS 1H(γ, K+X), E ≈ 1-2.5 GeV; analyzed hyperon production associated σ(θ); deduced resonance contributions.

doi: 10.1016/j.nuclphysa.2005.02.076
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2005SU09      Phys.Rev. C 71, 055205 (2005)

Y.S.Surovtsev, T.D.Blokhintseva, P.Bydzovsky, M.Nagy

Electroproduction, photoproduction, and inverse electroproduction of pions in the first resonance region

NUCLEAR REACTIONS 1n(γ, π-), E ≈ 0.2-0.8 GeV; 1H(e, e'π+), (e, e'π0), E ≈ 1-1.4 GeV; analyzed σ(θ), related data. Determination of form factors from inverse pion electroproduction discussed.

doi: 10.1103/PhysRevC.71.055205
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2001UR03      Nucl.Phys. A691, 43c (2001)

G.M.Urciuoli, P.Brindza, P.Bydzovsky, C.C.Chang, E.Cisbani, F.Cusanno, R.De Leo, S.Frullani, F.Garibaldi, M.Iodice, L.Lagamba, S.Lassiter, J.J.Le Rose, P.Markowitz, M.Sotona

Electroproduction of Hypernuclei: An experimental challenge

doi: 10.1016/S0375-9474(01)01005-3
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1994BY02      Nucl.Phys. A574, 685 (1994)

P.Bydzovsky, R.Mach, S.S.Kamalov

Nuclear Structure Effects in (π+, π0) and (p, n) Reactions on 13C

NUCLEAR REACTIONS 13C(π+, π0), E=165, 50 MeV; 13C(p, n), E=160 MeV; calculated σ(θ), asymmetry vs θ. Microscopic plus phenomenological models.

doi: 10.1016/0375-9474(94)90954-7
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1993BY02      Phys.Rev. C47, 2414 (1993)

P.Bydzovsky, R.Mach

Nucleon-Nucleon Bound State Contribution to the Proton Scattering by Nuclei

NUCLEAR REACTIONS 12C(p, p), E=64.9-83.4 MeV; 13C(p, p), (p, n), 40Ca, 16O(p, p), E=72 MeV; calculated σ(θ); deduced nucleon-nucleon bound state role.

doi: 10.1103/PhysRevC.47.2414
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1991BY01      Phys.Rev. C43, 1610 (1991)

P.Bydzovsky, R.Mach, F.Nichitiu

Isospin Effects in Antinucleon-Nucleon Scattering and Annihilation

NUCLEAR REACTIONS 1H(p-bar, p-bar), (n-bar, n-bar), E ≤ 300 MeV; calculated elastic, reaction σ(E); deduced isospin effects role. Optical model.

doi: 10.1103/PhysRevC.43.1610
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