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NSR database version of April 11, 2024.

Search: Author = J.Stahov

Found 16 matches.

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2021OS03      Phys.Rev. C 104, 034605 (2021)

H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, M.Ostrick, L.Tiator, A.Svarc

Single-energy partial-wave analysis for pion photoproduction with fixed-t analyticity

NUCLEAR REACTIONS 1H(polarized γ, π0p), (polarized γ, π+n), 1n(polarized γ, π-p), (polarized γ, π0n), W<2.2 GeV; analyzed experimental world collection of data from several laboratories; deduced helicity amplitudes, polarization observables, electric and magnetic isoscalar and isovector multipoles for different isospins using fixed-t analyticity constraining method for single-energy partial wave analysis (SE PWA) in pion photoproduction. Compiled experimental world data for π0p, π+n and π-p channels from experiments at A2MAMI, CLAS, CBELSA/TAPS

doi: 10.1103/PhysRevC.104.034605
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2019OS04      Phys.Rev. C 100, 055203 (2019)

H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, M.Gorchtein, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, A.Svarc

Single-energy partial wave analysis for π0 photoproduction on the proton with fixed-t analyticity imposed

NUCLEAR REACTIONS 1H(γ, π0p), (polarized γ, π0p), E(cm)=1.07-1.9 GeV; analyzed experimental differential σ(E) data from A2@MAMI, DAPHNE, MAMI, CBELSA/TAPS and GRAAL collaborations; deduced electric and magnetic multipoles up to l=3. Fixed-t single energy partial-wave analysis (SE PWA) of π0 photoproduction on the world collection of data.

doi: 10.1103/PhysRevC.100.055203
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2018OS01      Phys.Rev. C 97, 015207 (2018)

H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, A.Svarc

Fixed-t analyticity as a constraint in single-energy partial-wave analyses of meson photoproduction reactions

NUCLEAR REACTIONS 1H(γ, pη), E=1487-1850 MeV; analyzed differential σ(E, θ) for polarization observables experimental data at MAMI and GRAAL facilities using analytical constraints from fixed-t dispersion relations in partial wave analysis of η photoproduction data.

doi: 10.1103/PhysRevC.97.015207
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2018SV01      Phys.Rev. C 97, 054611 (2018)

A.Svarc, Y.Wunderlich, H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, R.Workman

Connection between angle-dependent phase ambiguities and the uniqueness of the partial-wave decomposition

doi: 10.1103/PhysRevC.97.054611
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2018SV03      Phys.Rev. C 98, 045206 (2018)

A.Svarc, H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, M.Gorchteyn, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator

Role of angle-dependent phase rotations of reaction amplitudes in η photoproduction on protons

NUCLEAR REACTIONS 1H(γ, η), E(cm)=1.5-2.0 GeV; calculated E0+η and all η photoproduction multipoles using Kent State University, Bonn-Gatchina, Julich-Bonn, and Mainz EtaMAID models, differential σ(θ) using partial wave analysis. Comparison with experimental data from MAMI and GRAAL collaborations.

doi: 10.1103/PhysRevC.98.045206
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2018TI10      Eur.Phys.J. A 54, 210 (2018)

L.Tiator, M.Gorchtein, V.L.Kashevarov, K.Nikonov, M.Ostrick, M.Hadzimehmedovic, R.Omerovic, H.Osmanovic, J.Stahov, A.Svarc

Eta and etaprime photoproduction on the nucleon with the isobar model EtaMAID2018

NUCLEAR REACTIONS 1H(γ, η), (γ, η')1H, E ≈ 1-3 GeV;1n(γ, η)1n, E ≈ 1-3 GeV; calculated σ using EtaMAID2018 code (updated isobar model EtaMAID); compared with published experimental data.

doi: 10.1140/epja/i2018-12643-x
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2017AN19      Eur.Phys.J. A 53, 242 (2017)

A.V.Anisovich, V.Burkert, M.Hadzimehmedovic, D.G.Ireland, E.Klempt, V.A.Nikonov, R.Omerovic, A.V.Sarantsev, J.Stahov, U.Thoma

N* resonances from KΛ amplitudes in sliced bins in energy

NUCLEAR REACTIONS 1H(γ, K+)Λ, E not given;1H(π-, K0)Λ, E not given; calculated, analyzed σ(θ), Λ recoil polarization, spin rotation angle using Laurent+Pietarinen model; compared to ANL and RAL data for masses 1630-2130 MeV; deduced nucleon resonances at about 1.9 GeV with Jπ=(1/2)+, (3/2)+, (1/2)-, (3/2)-, (5/2)-.

doi: 10.1140/epja/i2017-12443-x
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2016TI11      Phys.Rev. C 94, 065204 (2016)

L.Tiator, M.Doring, R.L.Workman, M.Hadzimehmedovic, H.Osmanovic, R.Omerovic, J.Stahov, A.Svarc

Baryon transition form factors at the pole

doi: 10.1103/PhysRevC.94.065204
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2015SV01      Phys.Rev. C 91, 015207 (2015)

A.Svarc, M.Hadzimehmedovic, H.Osmanovic, J.Stahov, R.L.Workman

Pole structure from energy-dependent and single-energy fits to GWU-SAID πN elastic scattering data

doi: 10.1103/PhysRevC.91.015207
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2014SV01      Phys.Rev. C 89, 045205 (2014)

A.Svarc, M.Hadzimehmedovic, R.Omerovic, H.Osmanovic, J.Stahov

Poles of Karlsruhe-Helsinki KH80 and KA84 solutions extracted by using the Laurent-Pietarinen method

doi: 10.1103/PhysRevC.89.045205
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2014SV02      Phys.Rev. C 89, 065208 (2014)

A.Svarc, M.Hadzimehmedovic, H.Osmanovic, J.Stahov, L.Tiator, R.Workman

Pole positions and residues from pion photoproduction using the Laurent-Pietarinen expansion method

doi: 10.1103/PhysRevC.89.065208
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2013SV02      Phys.Rev. C 88, 035206 (2013)

A.Svarc, M.Hadzimehmedovic, H.Osmanovic, J.Stahov, L.Tiator, R.L.Workman

Introducing the Pietarinen expansion method into the single-channel pole extraction problem

doi: 10.1103/PhysRevC.88.035206
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2011HA40      Phys.Rev. C 84, 035204 (2011)

M.Hadzimehmedovic, S.Ceci, A.Svarc, H.Osmanovic, J.Stahov

Poles as the only true resonant-state signals extracted from a worldwide collection of partial-wave amplitudes using only one, well controlled pole-extraction method

doi: 10.1103/PhysRevC.84.035204
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2011OS02      Phys.Rev. C 84, 035205 (2011)

H.Osmanovic, S.Ceci, A.Svarc, M.Hadzimehmedovic, J.Stahov

Stability of the Zagreb realization of the Carnegie-Mellon-Berkeley coupled-channels unitary model

doi: 10.1103/PhysRevC.84.035205
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2006DE08      Phys.Lett. B 633, 209 (2006)

H.Denz, P.Amaudruz, J.T.Brack, J.Breitschopf, P.Camerini, J.L.Clark, H.Clement, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, B.Jamieson, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, O.Patarakin, J.D.Patterson M.M.Pavan, S.Piano, K.Raywood, R.a.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, J.Stahov, R.Tacik, G.J.Wagner, F.von Wrochem, D.M.Yeomans

π±p differential cross sections at low energies

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=19.9-43.3 MeV; measured σ(E, θ); deduced isospin scattering amplitude. CHAOS spectrometer.

doi: 10.1016/j.physletb.2005.12.017
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1990DE19      Nucl.Phys. A512, 626 (1990)

R.Decker, M.Nowakowski, J.Stahov

The Magnetic Moments of Baryons and the Spin of the Proton

NUCLEAR STRUCTURE 1H; calculated quark magnetic moments, radii.

doi: 10.1016/0375-9474(90)90227-D
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