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NSR database version of April 11, 2024.

Search: Author = L.Roca

Found 28 matches.

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2017RO15      Phys.Rev. C 95, 065211 (2017)

L.Roca, E.Oset

Role of a triangle singularity in the πΔ decay N (1700) (3/2)

doi: 10.1103/PhysRevC.95.065211
Citations: PlumX Metrics

2016OS01      Nucl.Phys. A954, 371 (2016)

E.Oset, H.-X.Chen, A.Feijoo, L.-S.Geng, W.-H.Liang, D.-M.Li, J.-X.Lu, V.K.Magas, J.Nieves, A.Ramos, L.Roca, E.Wang, J.-J.Xie

Study of reactions disclosing hidden charm pentaquarks with or without strangeness

doi: 10.1016/j.nuclphysa.2016.04.038
Citations: PlumX Metrics

2014AC03      Phys.Rev. C 90, 025208 (2014)

F.Aceti, E.Oset, L.Roca

Composite nature of the Λ(1520) resonance

doi: 10.1103/PhysRevC.90.025208
Citations: PlumX Metrics

2013RO11      Phys.Rev. C 87, 055201 (2013)

L.Roca, E.Oset

Λ(1405) poles obtained from π0Σ0 photoproduction data

doi: 10.1103/PhysRevC.87.055201
Citations: PlumX Metrics

2013RO32      Phys.Rev. C 88, 055206 (2013)

L.Roca, E.Oset

Isospin 0 and 1 resonances from πΣ photoproduction data

doi: 10.1103/PhysRevC.88.055206
Citations: PlumX Metrics

2012HA09      Phys.Rev. C 85, 035206 (2012)

M.Hartmann, Yu.T.Kiselev, A.Polyanskiy, E.Ya.Paryev, M.Buscher, D.Chiladze, S.Dymov, A.Dzyuba, R.Gebel, V.Hejny, B.Kampfer, I.Keshelashvili, V.Koptev, B.Lorentz, Y.Maeda, V.K.Magas, S.Merzliakov, S.Mikirtytchiants, M.Nekipelov, H.Ohm, L.Roca, H.Schade, V.Serdyuk, A.Sibirtsev, V.Y.Sinitsyna, H.J.Stein, H.Stroher, S.Trusov, Yu.Valdau, C.Wilkin, P.Wustner, Q.J.Ye

Momentum dependence of the φ-meson nuclear transparency

doi: 10.1103/PhysRevC.85.035206
Citations: PlumX Metrics

2009GE05      Eur.Phys.J. A 39, 81 (2009)

L.S.Geng, E.Oset, J.R.Pelaez, L.Roca

Nature of the axial-vector mesons from their Nc behavior within the chiral unitary approach

doi: 10.1140/epja/i2008-10689-y
Citations: PlumX Metrics

2008NA09      Eur.Phys.J. A 36, 73 (2008)

H.Nagahiro, L.Roca, E.Oset

Meson loops in the f0(980) and a0(980) radiative decays into ρ, ω

doi: 10.1140/epja/i2008-10567-8
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2008OL04      Eur.Phys.J. A 37, 15 (2008)

J.A.Oller, L.Roca

Two photons into π0 π0

doi: 10.1140/epja/i2008-10600-0
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2008RO19      Nucl.Phys. A809, 65 (2008)

L.Roca, T.Hyodo, D.Jido

On the nature of the L(1405) and Λ(1670) from their Nc behavior in chiral dynamics

doi: 10.1016/j.nuclphysa.2008.05.014
Citations: PlumX Metrics

2007OL03      Eur.Phys.J. A 31, 534 (2007)

J.A.Oller, L.Roca

Pseudoscalar meson masses in unitarized chiral perturbation theory

doi: 10.1140/epja/i2006-10292-4
Citations: PlumX Metrics

2007OL10      Eur.Phys.J. A 34, 371 (2007)

J.A.Oller, L.Roca

Non-perturbative study of the light pseudoscalar masses in chiral dynamics

doi: 10.1140/epja/i2006-10516-7
Citations: PlumX Metrics

2007OS01      Nucl.Phys. A782, 259c (2007)

E.Oset, S.Sarkar, M.J.Vicente Vacas, M.Kaskulov, L.Roca, V.K.Magas, A.Ramos, H.Toki

Recent developments in chiral dynamics of hadrons and hadrons in a nuclear medium

doi: 10.1016/j.nuclphysa.2006.10.026
Citations: PlumX Metrics

2006KA31      Eur.Phys.J. A 28, 139 (2006)

M.Kaskulov, L.Roca, E.Oset

A-dependence of the γ- and p-induced production of the Λ(1520) from nuclei

NUCLEAR REACTIONS 12C, 16O, 24Mg, 27Al, 28Si, 31P, 32S, 40Ca, 56Fe, 64Cu, 89Y, 110Cd, 152Sm, 208Pb, 238U(γ, K+X), (p, K+X), E=2-3 GeV; calculated Λ(1520) hyperon production σ, target mass dependence. In-medium effects discussed.

doi: 10.1140/epja/i2006-10052-6
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2006OS03      Pramana 66, 731 (2006)

E.Oset, D.Cabrera, V.K.Magas, L.Roca, S.Sarkar, M.J.Vicente Vacas, A.Ramos

Chiral dynamics of baryon resonances and hadrons in a nuclear medium

doi: 10.1007/BF02704803
Citations: PlumX Metrics

2006RO18      Phys.Rev. C 73, 045208 (2006)

L.Roca, S.Sarkar, V.K.Magas, E.Oset

Unitary coupled channel analysis of the Λ(1520) resonance

NUCLEAR REACTIONS 1H(K-, 2π0X), (K-, π+π-X), E not given; analyzed hyperon production σ. 1H(γ, K+K-), E=2.8-4.8 GeV; 1H(π-, K0K-), E at 2.9-3.3 GeV/c; analyzed invariant mass distributions. Resonance production data discussed.

doi: 10.1103/PhysRevC.73.045208
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2006RO19      Eur.Phys.J. A 27, 373 (2006)

L.Roca, C.Hanhart, E.Oset, U.-G.Meissner

Testing the nature of the Λ(1520)-resonance in proton-induced production

NUCLEAR REACTIONS 1H(p, pX), E at 3.7 GeV/c; calculated Λ(1520)-resonance production associated invariant mass distributions, ratios. Unitarized coupled-channels model.

doi: 10.1140/epja/i2006-10009-9
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2005MA43      Phys.Rev. C 71, 065202 (2005)

V.K.Magas, L.Roca, E.Oset

φ meson width in the medium from proton induced φ production in nuclei

NUCLEAR REACTIONS 12C, 16O, 24Mg, 27Al, 28Si, 31P, 32S, 40Ca, 56Fe, 64Cu, 89Y, 110Cd, 152Sm, 208Pb, 238U(p, X), E=2.7, 2.83 GeV; calculated φ production σ; deduced medium effects.

doi: 10.1103/PhysRevC.71.065202
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2005MA49      Nucl.Phys. A755, 495c (2005)

V.K.Magas, L.Roca, E.Oset

Measuring the φ meson width in the medium from p induced φ production in nuclei

NUCLEAR REACTIONS 12C, 16O, 24Mg, 27Al, 28Si, 31P, 32S, 40Ca, 56Fe, 64Cu, 89Y, 110Cd, 152Sm, 208Pb, 238U(p, X), E=2.7, 2.83 GeV; calculated φ-meson production σ, medium effects.

doi: 10.1016/j.nuclphysa.2005.03.062
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2005RO03      Nucl.Phys. A748, 192 (2005)


Helicity asymmetries in double pion photoproduction on the proton

NUCLEAR REACTIONS 1H(polarized γ, π+π-), (polarized γ, 2π0), E(cm)=1400-1550 MeV; calculated angular distribution of helicity asymmetry.

doi: 10.1016/j.nuclphysa.2004.10.028
Citations: PlumX Metrics

2004CA06      Nucl.Phys. A733, 130 (2004)

D.Cabrera, L.Roca, E.Oset, H.Toki, M.J.Vicente Vacas

Mass dependence of inclusive nuclear φ photoproduction

NUCLEAR REACTIONS 12C, 64Cu(γ, X), E not given; calculated φ meson production σ vs momentum; deduced target mass dependences.

doi: 10.1016/j.nuclphysa.2003.12.012
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2004RO34      Nucl.Phys. A744, 127 (2004)

L.Roca, J.E.Palomar, E.Oset, H.C.Chiang

Unitary chiral dynamics in J/Ψ → VPP decays and the role of scalar mesons

doi: 10.1016/j.nuclphysa.2004.08.004
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2003PA51      Nucl.Phys. A729, 743 (2003)

J.E.Palomar, L.Roca, E.Oset, M.J.Vicente Vacas

Sequential vector and axial-vector meson exchange and chiral loops in radiative phi decay

doi: 10.1016/j.nuclphysa.2003.10.003
Citations: PlumX Metrics

2003RO10      Nucl.Phys. A723, 129 (2003)

L.Roca, E.Oset

The (π-, γγ) reaction in nuclei and the σ meson in the medium

NUCLEAR REACTIONS 1H, 208Pb(π-, γ), E=50-400 MeV; calculated photon pair invariant mass spectra. Observability of in-medium effects discussed.

doi: 10.1016/S0375-9474(03)01090-X
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2003RO20      Nucl.Phys. A721, 719c (2003)

L.Roca, E.Oset, M.J.V.Vicente Vacas

σ meson in a nuclear medium through two pion photoproduction

NUCLEAR REACTIONS 1H, 12C, 208Pb(γ, 2π0), (γ, π0π+), (γ, π0π-), E not given; calculated two-pion invariant mass distributions, medium effects. Comparison with data.

doi: 10.1016/S0375-9474(03)01165-5
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2003VI09      Nucl.Phys. A721, 301c (2003)

M.J.Vicente Vacas, E.Oset, L.Roca

Mass and width of the σ meson at finite density

NUCLEAR REACTIONS 1H, 12C, 208Pb(γ, 2π0), (γ, π0π+), (γ, π0π-), E not given; calculated pion pair invariant mass, role of σ meson mass, width. Comparison with data.

doi: 10.1016/S0375-9474(03)01055-8
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2002RO28      Phys.Lett. 541B, 77 (2002)

L.Roca, E.Oset, M.J.Vicente Vacas

The σ Meson in a Nuclear Medium Through Two Pion Photoproduction

NUCLEAR REACTIONS 1H(γ, 2π0), E=400-460 MeV; calculated σ. 1H, 12C, 208Pb(γ, 2π0), E ≈ 400-460 MeV; calculated two-pion mass distributions; deduced medium effects.

doi: 10.1016/S0370-2693(02)02188-3
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2001NA38      Nucl.Phys. A695, 295 (2001)

J.C.Nacher, E.Oset, M.J.Vicente Vacas, L.Roca

The Role of Δ(1700) Excitation and ρ Production in Double Pion Photoproduction

NUCLEAR REACTIONS 1H(γ, π+π0), (γ, π+π-), (γ, 2π0), E=300-800 MeV; calculate σ, invariant mass spectra; deduced ρ meson and Δ resonance contributions. Comparisons with data.

doi: 10.1016/S0375-9474(01)01110-1
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