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NSR database version of May 20, 2024.

Search: Author = R.Omerovic

Found 9 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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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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