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NSR database version of April 26, 2024.

Search: Author = B.Ma

Found 55 matches.

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2024CA03      Chin.Phys.C 48, 014103 (2024)

M.Cai, T.Liu, B.-Q.Ma

Bethe-Heitler lepton pair production in the deuteron breakup reaction

doi: 10.1088/1674-1137/ad0375
Citations: PlumX Metrics

2023HA36      Nucl.Phys. A1040, 122757 (2023)

Y.Han, T.Liu, B.-Q.Ma

Six-dimensional light-front Wigner distribution of the pion

doi: 10.1016/j.nuclphysa.2023.122757
Citations: PlumX Metrics

2023PE08      Phys.Rev. C 107, 055202 (2023)

Q.Peng, B.-Q.Ma

Determination of meson fragmentation functions in the Field-Feynman model

NUCLEAR REACTIONS ^1,2H(e^-, π⁺), (e^-, π^-), (e^-, K⁺), (e^-, K^-), (e⁺, π⁺), (e⁺, π^-), (e⁺, K⁺), (e⁺, K^-), E=27.6 GeV or Q²=2.5 GeV²; analyzed meson fragmentation functions using experimental multiplicity data for meson production from HERMES collaboration (Phys. Rev. D 87, 074029 (2011)) in leading order (LO), using Field-Feynman recursive model with extended SU(2) flavor symmetry relations of fragmentation functions; deduced fitting parameters with uncertainties, and fragmentation functions. Comparison with experimental data, and with results of other parametrizations. Discussed SU(2) flavor symmetry breaking effect of meson fragmentation functions.

doi: 10.1103/PhysRevC.107.055202
Citations: PlumX Metrics

2022XI07      Nucl.Phys. A1027, 122497 (2022)

Y.Xian, B.-Q.Ma

Photon-pion transition form factor of two photon process at BESIII from light-cone quantum field theory

doi: 10.1016/j.nuclphysa.2022.122497
Citations: PlumX Metrics

2021SU25      Nat.Phys. 17, 687 (2021), Erratum Nat.Phys. 18, 473 (2022)

V.Sulkosky, C.Peng, J.Chen, A.Deur, S.Abrahamyan, K.A.Aniol, D.S.Armstrong, T.Averett, S.L.Bailey, A.Beck, P.Bertin, F.Butaru, W.Boeglin, A.Camsonne, G.D.Cates, C.-C.Chang, S.Choi, E.Chudakov, L.Coman, J.C.Cornejo, B.Craver, F.Cusanno, R.De Leo, C.W.de Jager, J.D.Denton, S.Dhamija, R.Feuerbach, J.M.Finn, S.Frullani, K.Fuoti, H.Gao, F.Garibaldi, O.Gayou, R.Gilman, A.Glamazdin, C.Glashausser, J.Gomez, J.-O.Hansen, D.Hayes, F.W.Hersman, D.W.Higinbotham, T.Holmstrom, T.B.Humensky, C.E.Hyde, H.Ibrahim, M.Iodice, X.Jiang, L.J.Kaufman, A.Kelleher, K.E.Keister, W.Kim, A.Kolarkar, N.Kolb, W.Korsch, K.Kramer, G.Kumbartzki, L.Lagamba, V.Laine, G.Laveissiere, J.J.Lerose, D.Lhuillier, R.Lindgren, N.Liyanage, H.-J.Lu, B.Ma, D.J.Margaziotis, P.Markowitz, K.R.McCormick, M.Meziane, Z.-E.Meziani, R.Michaels, B.Moffit, P.Monaghan, S.Nanda, J.Niedziela, M.Niskin, R.Pandolfi, K.D.Paschke, M.Potokar, A.Puckett, V.A.Punjabi, Y.Qiang, R.D.Ransome, B.Reitz, R.Roche, A.Saha, A.Shabetai, S.Sirca, J.T.Singh, K.Slifer, R.Snyder, P.Solvignon, R.Stringer, R.Subedi, W.A.Tobias, N.Ton, P.E.Ulmer, G.M.Urciuoli, A.Vacheret, E.Voutier, K.Wang, L.Wan, B.Wojtsekhowski, S.Woo, H.Yao, J.Yuan, X.Zhan, X.Zheng, L.Zhu

Measurement of the generalized spin polarizabilities of the neutron in the low-Q² region

NUCLEAR REACTIONS ³He(polarized e^-, e^-), E=1.1-4.4 GeV; measured reaction products, Eβ, Iβ. ¹NN; deduced transverse-transverse and longitudinal-transverse interference σ, generalized neutron spin polarizabilities. Comparison with chiral effective field theory calculations.

doi: 10.1038/s41567-021-01245-9
Citations: PlumX Metrics

2018GO13      Phys.Rev. C 97, 065207 (2018)

C.Gong, B.-Q.Ma

Nuclear EMC effect through Λ(bar)/Λ production in semi-inclusive deep-inelastic scattering processes

doi: 10.1103/PhysRevC.97.065207
Citations: PlumX Metrics

2017HU19      Nucl.Phys. A968, 14 (2017)

C.Huang, B.-Q.Ma

Transverse charge densities of the deuteron in soft-wall AdS/QCD

NUCLEAR STRUCTURE ²H; calculated magnetic, charge and quadrupole form-factor, deuteron polarization using soft-wall AdS/QCD model considering both polarized and unpolarized cases.

doi: 10.1016/j.nuclphysa.2017.07.018
Citations: PlumX Metrics

2017TI01      Nucl.Phys. A961, 154 (2017)

F.Tian, C.Gong, B.-Q.Ma

Effect of sea quarks on the single-spin asymmetries A^W±_L in polarized pp collisions at RHIC

doi: 10.1016/j.nuclphysa.2017.02.014
Citations: PlumX Metrics

2017TI11      Nucl.Phys. A968, 379 (2017)

F.Tian, C.Gong, B.-Q.Ma

Effect of sea quarks on single-spin asymmetries A^{W, ±}_N in transversely polarized pp collisions at RHIC

doi: 10.1016/j.nuclphysa.2017.09.006
Citations: PlumX Metrics

2016MA02      Nucl.Phys. A945, 153 (2016)

W.Mao, X.Wang, X.Du, Z.Lu, B.-Q.Ma

On the cos φ_h asymmetry in electroproduction of pions in double longitudinally polarized process

doi: 10.1016/j.nuclphysa.2015.10.004
Citations: PlumX Metrics

2016WA17      Eur.Phys.J. A 52, 122 (2016)

Z.Wang, B.-Q.Ma

A unified approach to hadron phenomenology at zero and finite temperatures in a hard-wall AdS/QCD model

NUCLEAR STRUCTURE ¹n, ¹H; calculated mass excess vs temperature (high temperatures).

doi: 10.1140/epja/i2016-16122-2
Citations: PlumX Metrics

2016ZH24      Phys.Rev. C 93, 065209 (2016)

J.Zhang, B.-Q.Ma

Electroweak properties of octet baryons in a light-cone quark-diquark model

doi: 10.1103/PhysRevC.93.065209
Citations: PlumX Metrics

2014LI22      Phys.Rev. C 89, 055202 (2014)

T.Liu, B.-Q.Ma

Generalized form factors of the nucleon in a light-cone spectator-diquark model

doi: 10.1103/PhysRevC.89.055202
Citations: PlumX Metrics

2012PE07      Eur.Phys.J. A 48, 66 (2012)

T.Peng, B.-Q.Ma

Heavy quarkonium 2S states in the light-front quark model

doi: 10.1140/epja/i2012-12066-9
Citations: PlumX Metrics

2011HE22      Eur.Phys.J. A 47, 152 (2011)

X.-G.He, B.-Q.Ma

The CDF dijet excess from intrinsic quarks

doi: 10.1140/epja/i2011-11152-x
Citations: PlumX Metrics

2010WU08      Nucl.Phys. A848, 230 (2010)

B.Wu, B.-Q.Ma

On heavy-quarkonia suppression by final-state multiple scatterings in most central Au + Au collisions at RHIC

doi: 10.1016/j.nuclphysa.2010.08.008
Citations: PlumX Metrics

2009CH65      Nucl.Phys. A831, 1 (2009)

Y.Chen, B.-Q.Ma

Light flavor baryon spectrum with higher order hyperfine interactions

doi: 10.1016/j.nuclphysa.2009.09.005
Citations: PlumX Metrics

2009ZH35      Nucl.Phys. A828, 390 (2009)

Y.Zhang, L.Shao, B.-Q.Ma

Nuclear EMC effect in a statistical model

doi: 10.1016/j.nuclphysa.2009.07.006
Citations: PlumX Metrics

2007BA15      Eur.Phys.J. C 49, 967 (2007)

V.Barone, Z.Lu, B.-Q.Ma

The cos 2φ asymmetry of Drell-Yan and J/ψ production in unpolarized p(p-bar) scattering

NUCLEAR REACTIONS ¹H(p-bar, X), E not given; calculated azimuthal asymmetry in J/ψ production.

doi: 10.1140/epjc/s10052-006-0174-6
Citations: PlumX Metrics

2007LU02      Phys.Rev. D 75, 014026 (2007)

Z.Lu, B.-Q.Ma, I.Schmidt

Transverse spin effects of sea quarks in unpolarized nucleons

NUCLEAR REACTIONS ^1,2H(p, X), E not given; calculated asymmetries in unpolarized Drell-Yan processes, transverse spin effects of sea quarks.

doi: 10.1103/PhysRevD.75.014026
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2006LU13      Phys.Lett. B 639, 494 (2006)

Z.Lu, B.-Q.Ma, I.Schmidt

Flavor separation of the Boer-Mulders function from unpolarized π^-p and π^-D Drell-Yan processes

NUCLEAR REACTIONS ^1,2H(π^-, X), E(cm) ≈ 400 GeV; calculated azimuthal asymmetry. Unpolarised Drell-Yan process.

doi: 10.1016/j.physletb.2006.06.053
Citations: PlumX Metrics

2006LU17      Phys.Rev. C 74, 055202 (2006)

B.Lu, B.-Q.Ma

EMC effect in semi-inclusive deep-inelastic scattering processes

doi: 10.1103/PhysRevC.74.055202
Citations: PlumX Metrics

2006ZH23      Eur.Phys.J. A 28, 345 (2006)

Q.Zhou, B.-Q.Ma

The 27-plet baryons with spin 3/2 under SU(3) symmetry

doi: 10.1140/epja/i2006-10063-3
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2005CH51      Nucl.Phys. A759, 188 (2005)

X.Chen, Y.Mao, B.-Q.Ma

Parity-violating asymmetry of W bosons produced in p-p collisions

NUCLEAR REACTIONS ¹H(p, X), E(cm)=200 GeV; calculated W-boson production parity-violating asymmetry.

doi: 10.1016/j.nuclphysa.2005.05.146
Citations: PlumX Metrics

2005GA41      Eur.Phys.J. C 44, 63 (2005)

P.Gao, B-Q.Ma

Probing nucleon strange asymmetry from charm production in neutrino deep inelastic scattering

NUCLEAR REACTIONS ¹H(ν, X), E=high; analyzed D-meson production σ, strange quark-antiquark asymmetry effects.

doi: 10.1140/epjc/s2005-02335-5
Citations: PlumX Metrics

2005HW04      Eur.Phys.J. A 25, 467 (2005)

W.-Y.P.Hwang, B.-Q.Ma

Neutrons and antiprotons in ultrahigh-energy cosmic rays

doi: 10.1140/epja/i2005-10136-9
Citations: PlumX Metrics

2005LI50      Eur.Phys.J. A 26, 141 (2005)

D.-M.Li, B.Ma, H.Yu

Regarding the axial-vector mesons

doi: 10.1140/epja/i2005-10155-6
Citations: PlumX Metrics

2005LU08      Phys.Lett. B 615, 200 (2005)

Z.Lu, B.-Q.Ma

Azimuthal asymmetry in unpolarized πN Drell-Yan process

NUCLEAR REACTIONS ¹n, ¹H(π^-, μ⁺μ^-X), E=140-286 GeV; calculated azimuthal asymmetry, final state interaction. Unpolarized Drell-Yan process. Comparison with data.

doi: 10.1016/j.physletb.2005.04.002
Citations: PlumX Metrics

2005MA11      Eur.Phys.J. C 40, 63 (2005)

B.-Q.Ma, I.Schmidt, J.-J.Yang

Collins effect in single spin asymmetries of the p↑p → πX process

NUCLEAR REACTIONS ¹H(polarized p, π⁺X), (polarized p, π⁰X), (polarized p, π^-X), E not given; calculated single spin asymmetries, role of Collins effect.

doi: 10.1140/epjc/s2005-02136-x
Citations: PlumX Metrics

2004HU18      Phys.Lett. B 602, 67 (2004)

F.Huang, R.-G.Xu, B.-Q.Ma

Sigma meson cloud and proton's light flavor sea quarks

NUCLEAR STRUCTURE ¹H; calculated light flavor sea quark distributions.

doi: 10.1016/j.physletb.2004.09.052
Citations: PlumX Metrics

2004HW03      Nucl.Phys. A737, 294 (2004)

W.-H.P.Hwang, T.-S.H.Lee, B-Q.Ma

A Replay of Few-Body Reactions in Particle Cosmology

doi: 10.1016/j.nuclphysa.2004.03.091
Citations: PlumX Metrics

2004LU16      Nucl.Phys. A741, 200 (2004)

Z.Lu, B.-Q.Ma

Sivers function in light-cone quark model and azimuthal spin asymmetries in pion electroproduction

NUCLEAR REACTIONS ¹H(e, e'X), E=high; calculated pion production associated asymmetries. Sivers function, polarized target.

doi: 10.1016/j.nuclphysa.2004.06.006
Citations: PlumX Metrics

2004MA78      Phys.Lett. B 598, 211 (2004)

B.-Q.Ma, I.Schmidt, J.-J.Yang

Particle-antiparticle asymmetries of Λ production in hadron-nucleon collisions

NUCLEAR REACTIONS ¹H(π⁺, X), (π^-, X), (K⁺, X), (K^-, X), (p, X), E at 250 GeV/c; calculated hyperon-antihyperon production asymmetries. Comparison of model predictions, data.

doi: 10.1016/j.physletb.2004.07.049
Citations: PlumX Metrics

2002LI01      Phys.Rev. D65, 014003 (2002)

X.-Q.Li, X.-B.Zhang, B.-Q.Ma

Asymmetry of the Strange Sea in Nucleons

doi: 10.1103/PhysRevD.65.014003
Citations: PlumX Metrics

2002MA04      Phys.Rev. D65, 034010 (2002)

B.-Q.Ma, I.Schmidt, J.-J.Yang

Azimuthal Spin Asymmetries of Pion Electroproduction

NUCLEAR REACTIONS ¹n, ^1,2H(e⁺, π⁺X), (e⁺, π⁰X), (e⁺, π^-X), E=high; calculated pion production azimuthal asymmetries; deduced reaction mechanism features. Comparison with data. Polarized targets.

doi: 10.1103/PhysRevD.65.034010
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2002MA14      Phys.Rev. C65, 035205 (2002)

B.-Q.Ma, D.Qing, I.Schmidt

Electromagnetic Form Factors of Nucleons in a Light-Cone Diquark Model

NUCLEAR STRUCTURE ¹n, ¹H; calculated electromagnetic form factors. Light-cone diquark model.

doi: 10.1103/PhysRevC.65.035205
Citations: PlumX Metrics

2002MA28      Nucl.Phys. A703, 346 (2002)

B.-Q.Ma, I.Schmidt, J.Soffer, J.-J.Yang

Spin Transfers for Baryon Production in Polarized pp Collisions at RHIC-BNL

NUCLEAR REACTIONS ¹H(polarized p, X), E(cm)=200, 500 GeV; calculated spin transfer to nucleons, hyperons. Quark spectator model.

doi: 10.1016/S0375-9474(01)01460-9
Citations: PlumX Metrics

2002MA60      Phys.Rev. C66, 048201 (2002)

B.-Q.Ma, D.Qing, I.Schmidt

Axial vector form factor of nucleons in a light-cone diquark model

NUCLEAR STRUCTURE ¹n, ¹H; calculated axial form factor. Light-cone diquark model.

doi: 10.1103/PhysRevC.66.048201
Citations: PlumX Metrics

2002XI01      Eur.Phys.J. A 15, 523 (2002)

B.-W.Xiao, X.Qian, B.-Q.Ma

The kaon form factor in the light-cone quark model

doi: 10.1140/epja/i2002-10059-y
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2001MA06      Phys.Rev. D63, 037501 (2001)

B.-Q.Ma, I.Schmidt, J.-J.Yang

Nucleon Transversity Distribution from Azimuthal Spin Asymmetry in Pion Electroproduction

NUCLEAR REACTIONS ¹H(e⁺, X), E not given; analyzed charged pion production analyzing powers. ¹H deduced quark transversity distributions, related features. Polarized target.

doi: 10.1103/PhysRevD.63.037501
Citations: PlumX Metrics

2001MA97      Eur.Phys.J. A 12, 353 (2001)

B.-Q.Ma, I.Schmidt, J.-J.Yang

Understanding the Proton Spin ' Puzzle ' with a New ' Minimal ' Quark Model

doi: 10.1007/s100500170014
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2001ZH39      Phys.Lett. 523B, 260 (2001)

Y.-J.Zhang, B.Zhang, B.-Q.Ma

Detailed Balance and Sea-Quark Flavor Asymmetry of Proton

NUCLEAR STRUCTURE ¹H; calculated quark states probabilities, flavor asymmetry features.

doi: 10.1016/S0370-2693(01)01266-7
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2000BB07      Phys.Rev. C62, 062201 (2000)

V.Barone, A.Drago, B.-Q.Ma

Connection between Distribution and Fragmentation Functions

doi: 10.1103/PhysRevC.62.062201
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2000MA60      Nucl.Phys. A675, 179c (2000)

B.-Q.Ma

The Quark Distributions of Baryons

doi: 10.1016/S0375-9474(00)00242-6
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2000MA74      Phys.Lett. 488B, 254 (2000)

B.-Q.Ma, I.Schmidt, J.Soffer, J.-J.Yang

The Quark-Antiquark Asymmetry of the Nucleon Sea from Λ and (Λ-bar) Fragmentation

NUCLEAR REACTIONS ¹H(polarized e⁺, X), E=high; calculated hyperon production associated longitudinal spin transfer; deduced possible quark-antiquark asymmetry. Comparison with data.

doi: 10.1016/S0370-2693(00)00906-0
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2000MA76      Phys.Lett. 489B, 293 (2000)

B.-Q.Ma, I.Schmidt, J.Soffer, J.-J.Yang

The Quark-Antiquark Asymmetry of the Nucleon Sea from Λ and (Λ-bar) Fragmentation

doi: 10.1016/S0370-2693(00)00940-0
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2000MA81      Eur.Phys.J. C 16, 657 (2000)

B.-Q.Ma, I.Schmidt, J.Soffer, J.-J.Yang

Λ, (Λ-bar) Polarization and Spin Transfer in Lepton Deep-Inelastic Scattering

doi: 10.1007/s100520000447
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2000MA87      Phys.Rev. D62, 114009 (2000)

B.-Q.Ma, I.Schmidt, J.Soffer, J.-J.Yang

Flavor and Spin Structure of Hyperons from Quark Fragmentation

NUCLEAR REACTIONS ¹n, ¹H(polarized e, X), E not given; calculated hyperon production associated spin transfer observables. Other reactions discussed.

doi: 10.1103/PhysRevD.62.114009
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1998MA64      J.Phys.(London) G24, L71 (1998)

B.-Q.Ma, I.Schmidt

New Sum Rules for Nucleon Tensor Charges

doi: 10.1088/0954-3899/24/10/002
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1998MA82      Phys.Lett. 441B, 461 (1998)

B.-Q.Ma, I.Schmidt, J.Soffer

The Quark Spin Distributions of the Nucleon

NUCLEAR STRUCTURE ¹n, ¹H; calculated quark spin distributions, related features.

doi: 10.1016/S0370-2693(98)01158-7
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1997MA54      Phys.Lett. 408B, 387 (1997)

B.-Q.Ma

Strange Magnetic Moment and Isospin Symmetry Breaking

doi: 10.1016/S0370-2693(97)00830-7
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1996MA22      Phys.Lett. 375B, 320 (1996); Erratum Phys.Lett. 380B, 494 (1996)

B.-Q.Ma

The x-Dependent Helicity Distributions for Valence Quarks in Nucleons

NUCLEAR STRUCTURE ¹n, ^1,2H; calculated polarization asymmetries; deduced up, down valence quark asymmetry role in F₂(n)/F₂(p). Light-cone SU(6) quark-spectator model.

doi: 10.1016/0370-2693(96)00208-0
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1994MA29      J.Phys.(London) G20, 719 (1994)

B.-Q.Ma, A.Schafer, W.Greiner

Sea-Quark Content of Nucleons from Proton-Induced Drell-Yan Production

NUCLEAR STRUCTURE ¹n, ¹H; calculated structure function ratio vs Bjorken scaling variable.

doi: 10.1088/0954-3899/20/5/006
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1992MA70      Int.J.Mod.Phys. E1, 809 (1992)

B.-Q.Ma

Effect Due to Compositeness of Nucleons in Deep Inelastic Lepton Nucleus Scattering

NUCLEAR STRUCTURE Cu; calculated F₂ structure function ratio with respect to nucleon vs x. Light-cone hadron approach, deep inelastic lepton nucleus scattering.

doi: 10.1142/S0218301392000345
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1991MA17      J.Phys.(London) G17, L53 (1991)

B.-Q.Ma

Melosh Rotation: Source of the proton's missing spin

NUCLEAR STRUCTURE ¹H; analyzed spin structure function; deduced Melosh rotation role. Quark model.

doi: 10.1088/0954-3899/17/5/001
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Note: The following list of authors and aliases matches the search parameter B.Ma: , B.Q.MA