NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.M.Gasparyan Found 27 matches. 2023GA07 Phys.Rev. C 107, 034001 (2023) "Renormalization-group-invariant effective field theory" for few-nucleon systems is cutoff dependent
doi: 10.1103/PhysRevC.107.034001
2023GA08 Phys.Rev. C 107, 044002 (2023) Renormalization of nuclear chiral effective field theory with nonperturbative leading-order interactions
doi: 10.1103/PhysRevC.107.044002
2022GA08 Phys.Rev. C 105, 024001 (2022) Nucleon-nucleon interaction in chiral effective field theory with a finite cutoff: Explicit perturbative renormalization at next-to-leading order
doi: 10.1103/PhysRevC.105.024001
2022RI03 Phys.Rev. C 106, 025202 (2022) N.Rijneveen, A.M.Gasparyan, H.Krebs, E.Epelbaum Pion photoproduction in chiral perturbation theory with explicit treatment of the Δ(1232) resonance NUCLEAR REACTIONS 1H(γ, π0p), √ sNN=1092-1214 GeV; calculated low-energy constants, s- and p-wave multipoles contributions to the pion photoproduction σ(E). Covariant chiral perturbation theory with explicit Δ(1232) degrees of freedom with errors from the truncation of the small-scale expansion estimated using Bayesian approach. Comparison with experimental data from MAMI-Mainz facility.
doi: 10.1103/PhysRevC.106.025202
2021RI05 Phys.Rev. C 103, 045203 (2021) J.Rijneveen, N.Rijneveen, H.Krebs, A.M.Gasparyan, E.Epelbaum Radiative pion photoproduction in covariant chiral perturbation theory NUCLEAR REACTIONS 1H(γ, pπ0γ), (polarized γ, pπ0γ), (γ, nπ+γ), (polarized γ, nπ+γ), E<200 MeV; calculated differential σ(E), convergence of the small-scale expansion and sensitivity to magnetic moment of Δ+, double differential σ(E, θ), polarization asymmetries. Covariant chiral perturbation theory with explicitΔ(1232) degrees of freedom, including contributions up to next-to-next-to-leading order, with errors from the truncation of the small-scale expansion estimated using Bayesian approach. Comparison with experimental data from MAMI-Mainz facility.
doi: 10.1103/PhysRevC.103.045203
2021TH07 Phys.Rev. C 103, 035201 (2021) M.Thurmann, E.Epelbaum, A.M.Gasparyan, H.Krebs Nucleon polarizabilities in covariant baryon chiral perturbation theory with explicit Δ degrees of freedom NUCLEAR STRUCTURE 1H, 1n; calculated nucleon spin-independent octupole, quadrupole dispersive, and higher dipole dispersive polarizabilities. Chiral perturbation theory, with explicit Δ(1232) degrees of freedom. Comparison with available experimental data, and with other theoretical results.
doi: 10.1103/PhysRevC.103.035201
2020EP02 Eur.Phys.J. A 56, 152 (2020) E.Epelbaum, A.M.Gasparyan, J.Gegelia, Ulf-G.Meissner, X.-L.Ren How to renormalize integral equations with singular potentials in effective field theory
doi: 10.1140/epja/s10050-020-00162-4
2019EP02 Eur.Phys.J. A 55, 56 (2019) E.Epelbaum, A.M.Gasparyan, J.Gegelia, Ulf-G.Meissner Reply to the Comment by Manuel Pavon Valderrama on "How (not) to renormalize integral equations with singular potentials in effective field theory"
doi: 10.1140/epja/i2019-12751-1
2018EP01 Eur.Phys.J. A 54, 186 (2018) E.Epelbaum, A.M.Gasparyan, J.Gegelia, Ulf-G.Meissner How (not) to renormalize integral equations with singular potentials in effective field theory
doi: 10.1140/epja/i2018-12632-1
2018KR02 Phys.Rev. C 98, 014003 (2018) H.Krebs, A.M.Gasparyan, E.Epelbaum Three-nucleon force in chiral effective field theory with explicit Δ(1232) degrees of freedom: Longest-range contributions at fourth order
doi: 10.1103/PhysRevC.98.014003
2017SI25 Phys.Rev. C 96, 055205 (2017) D.Siemens, V.Bernard, E.Epelbaum, A.M.Gasparyan, H.Krebs, Ulf-G.Meissner Elastic and inelastic pion-nucleon scattering to fourth order in chiral perturbation theory NUCLEAR REACTIONS 1H(π-, π0π0), (π-, π+π-), (π-, π0π-), (π+, π+π+), (π-, π+π0), Tπ<0.4 GeV; calculated pion-nucleon total cross sections, σ(θ, E), low-energy constants (LECs); deduced contributions of the Δ(1232) resonance. Chiral perturbation theory using heavy-baryon approach and covariant formulation, with extended on-mass-shell (EOMS) scheme. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.055205
2015EP01 Eur.Phys.J. A 51, 26 (2015) E.Epelbaum, A.M.Gasparyan, H.Krebs, C.Schat Three-nucleon force at large distances: Insights from chiral effective field theory and the large-Nc expansion
doi: 10.1140/epja/i2015-15026-y
2015EP03 Eur.Phys.J. A 51, 71 (2015) E.Epelbaum, A.M.Gasparyan, J.Gegelia, H.Krebs 1S0 nucleon-nucleon scattering in the modified Weinberg approach
doi: 10.1140/epja/i2015-15071-6
2014EP02 Eur.Phys.J. A 50, 51 (2014) E.Epelbaum, A.M.Gasparyan, J.Gegelia, M.R.Schindler Deuteron electromagnetic form factors in a renormalizable formulation of chiral effective field theory NUCLEAR STRUCTURE 2H; calculated Coulomb, magnetic and quadrupole form factors using renormalizable chiral effective field theory.
doi: 10.1140/epja/i2014-14051-8
2014EP04 Few-Body Systems 55, 967 (2014) E.Epelbaum, A.M.Gasparyan, J.Gegelia, M.R.Schindler Renormalizable Chiral EFT for NN Scattering
doi: 10.1007/s00601-013-0763-5
2013GA39 Eur.Phys.J. A 49, 115 (2013) A.M.Gasparyan, M.F.M.Lutz, E.Epelbaum Two-nucleon scattering: Merging chiral effective field theory with dispersion relations
doi: 10.1140/epja/i2013-13115-7
2012GA03 Phys.Rev. C 85, 015204 (2012) A.M.Gasparyan, J.Haidenbauer, C.Hanhart Scattering lengths of strangeness S= -2 baryon-baryon interactions
doi: 10.1103/PhysRevC.85.015204
2011GA41 Nucl.Phys. A866, 79 (2011) A.M.Gasparyan, M.F.M.Lutz, B.Pasquini Compton scattering from chiral dynamics with unitarity and causality NUCLEAR REACTIONS 1H(γ, γ'), E=0-0.35 GeV; calculated beam asymmetry, beam asymmetry(θ) for polarized, unpolarized target.
doi: 10.1016/j.nuclphysa.2011.07.005
2004HA62 Fizika(Zagreb) B 13, 37 (2004) J.Haidenbauer, V.Baru, A.M.Gasparyan, C.Hanhart, J.Speth Eta meson production in NN collisions NUCLEAR REACTIONS 1H(p, pX), (n, nX), E ≈ threshold; calculated η meson production σ, invariant mass spectra. Comparisons with data.
2003BA14 Phys.Rev. C 67, 024002 (2003) V.Baru, A.M.Gasparyan, J.Haidenbauer, C.Hanhart, A.E.Kudryavtsev, J.Speth Production of η mesons in nucleon-nucleon collisions NUCLEAR REACTIONS 1H(p, pX), (n, nX), (n, dX), E ≈ threshold; calculated η production σ. Microscopic calculation, comparisons with data.
doi: 10.1103/PhysRevC.67.024002
2003BA95 Nucl.Phys. A721, 727c (2003) V.Baru, A.M.Gasparyan, J.Haidenbauer, C.Hanhart, A.E.Kudryavtsev, J.Speth Production of η mesons in nucleon-nucleon collisions NUCLEAR REACTIONS 1n, 1H(p, pX), 1n(p, dX), E ≈ threshold; calculated η meson production σ. Comparisons with data.
doi: 10.1016/S0375-9474(03)01167-9
2003GA35 Phys.Rev. C 68, 045207 (2003) A.M.Gasparyan, J.Haidenbauer, C.Hanhart, J.Speth Pion-nucleon scattering in a meson-exchange model NUCLEAR REACTIONS 1n, 1H(π, π), E(cm)=1.1-1.9 GeV; calculated phase shifts, inelasticities. 1H(π-, nX), E(cm)=1400-1900 MeV; calculated η meson production σ, σ(θ). Meson exchange model, comparisons with data.
doi: 10.1103/PhysRevC.68.045207
2003GA44 Eur.Phys.J. A 18, 305 (2003) A.M.Gasparyan, V.Yu.Grishina, L.A.Kondratyuk, W.Cassing Exclusive and semi-inclusive strangeness and charm production in πN and NN reactions NUCLEAR REACTIONS 1H(π-, X), (p, pX), E=high; calculated kaon and hyperon production σ; deduced reaction mechanism features. Quark-gluon strings model, comparisons with data.
doi: 10.1140/epja/i2002-10222-6
2001BA38 Yad.Fiz. 64, No 3, 633 (2001); Phys.Atomic Nuclei 64, 579 (2001) V.V.Baru, A.M.Gasparian, J.Haidenbauer, A.E.Kudryavtsev, J.Speth On the Migdal-Watson Approach to FSI Effects in Meson Production in NN Collisions NUCLEAR REACTIONS 1H(p, pX), E ≈ threshold; calculated meson production associated final state interaction form factors. Migdal-Watson approach.
doi: 10.1134/1.1358484
2001GA30 Nucl.Phys. A684, 397c (2001) A.M.Gasparian, J.Haidenbauer, C.Hanhart, L.Kondratyuk, J.Speth Near Threshold Λ and Σ Production in pp Collisions NUCLEAR REACTIONS 1H(p, K+X), E ≈ threshold; calculated Λ and Σ hyperon production σ. Comparison with data.
doi: 10.1016/S0375-9474(01)00407-9
2000BA92 Acta Phys.Pol. B31, 2127 (2000) V.Baru, A.M.Gasparian, J.Haidenbauer, A.E.Kudryavtsev, J.Speth FSI Effects in Meson Production in NN Collisions
2000GA21 Phys.Lett. 480B, 273 (2000) A.M.Gasparian, J.Haidenbauer, C.Hanhart, L.Kondratyuk, J.Speth The Reactions pp → pΛK+ and pp → pΣ0K+ Near Their Thresholds NUCLEAR REACTIONS 1H(p, K+X), E ≈ threshold; calculated hyperon associated production σ; deduced reaction mechanism features. Comparisons with data.
doi: 10.1016/S0370-2693(00)00412-3
Back to query form Note: The following list of authors and aliases matches the search parameter A.M.Gasparyan: A.M.GASPARIAN, A.M.GASPARYAN |