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Pregled bibliografske jedinice broj: 946191

First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron

(GRAAL Collaboration) Fantini, A; Di Salvo, R; Bartalini, O (; Bellini, V; Bocquet, JP; Casano, L; Castoldi, M; D'Angelo, A; Franco, D (; Gervino, G et al.
First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron // Physical review. C. Nuclear physics, 78 (2008), 015203; 015203, 12 doi:10.1103/PhysRevC.78.015203 (međunarodna recenzija, članak, znanstveni)

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Naslov
First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron

Autori
Fantini, A ; Di Salvo, R ; Bartalini, O ( ; Bellini, V ; Bocquet, JP ; Casano, L ; Castoldi, M ; D'Angelo, A ; Franco, D ( ; Gervino, G ; Ghio, F ; Giardina, G ; Girolami, B ; Giusa, A ; Kuznetsov, V ; Lapik, A ; Sandri, PL ; Lleres, A ; Mammoliti, F ; Mandaglio, G ; Manganaro, Marina ; Moricciani, D ; Mushkarenkov, AN (Mushkarenkov, A. N.)[ 14 ] ; Nedorezov, V ; Nicoletti, L ; Randieri, C ; Rebreyend, D ; Renard, F ; Rudnev, N ; Russo, G ; Schaerf, C ; Sperduto, ML ; Sutera, MC ; Turinge, A ; Vegna, V ; Fix, A ; Tiator, L ; Kamalov, S

Kolaboracija
GRAAL Collaboration

Izvornik
Physical review. C. Nuclear physics (0556-2813) 78 (2008), 015203; 015203, 12

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
NEAR-THRESHOLD PHOTOPRODUCTION ; BGO CALORIMETER ; MESON PHOTOPRODUCTION ; MONITORING-SYSTEM ; ENERGY REGION ; PROTON ; DEUTERON ; GRAAL ; ELECTROPRODUCTION ; PHOTOEXCITATION

Sažetak
We present the first measurement of the Sigma beam asymmetry in eta photoproduction on the neutron in the photon energy range from threshold to 1.5 GeV. Data have been collected by using the tagged and linearly polarized photon beam and the large solid angle apparatus of the GRAAL facility. Neutron data have been selected among eta photoproduction events on the deuteron in the quasi-free kinematics approximation. Proton data, extracted in the same way, are within errors identical to those previously obtained on free protons at the GRAAL facility, except for a few points falling in certain energy bins. This difference is, however, well understood in terms of the Fermi motion of the nucleons in the deuteron. We take the consistency of free and quasi-free proton data as an indication that nuclear effects are negligible also for neutron data. The ETAMAID model, in which a strong coupling of the D-15(1675) resonance to the eta-neutron channel is introduced, can explain the proton data very well, but it cannot describe the beam asymmetry for the neutron.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Profili:

Avatar Url Marina Manganaro (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada doi journals.aps.org

Citiraj ovu publikaciju:

(GRAAL Collaboration) Fantini, A; Di Salvo, R; Bartalini, O (; Bellini, V; Bocquet, JP; Casano, L; Castoldi, M; D'Angelo, A; Franco, D (; Gervino, G et al.
First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron // Physical review. C. Nuclear physics, 78 (2008), 015203; 015203, 12 doi:10.1103/PhysRevC.78.015203 (međunarodna recenzija, članak, znanstveni)
(GRAAL Collaboration) (GRAAL Collaboration) Fantini, A., Di Salvo, R., Bartalini, O., Bellini, V., Bocquet, J., Casano, L., Castoldi, M., D'Angelo, A., Franco, D. & Gervino, G. (2008) First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron. Physical review. C. Nuclear physics, 78 (015203), 015203, 12 doi:10.1103/PhysRevC.78.015203.
@article{article, author = {Fantini, A and Di Salvo, R and Bartalini, O ( and Bellini, V and Bocquet, JP and Casano, L and Castoldi, M and D'Angelo, A and Franco, D ( and Gervino, G and Ghio, F and Giardina, G and Girolami, B and Giusa, A and Kuznetsov, V and Lapik, A and Sandri, PL and Lleres, A and Mammoliti, F and Mandaglio, G and Manganaro, Marina and Moricciani, D and Nedorezov, V and Nicoletti, L and Randieri, C and Rebreyend, D and Renard, F and Rudnev, N and Russo, G and Schaerf, C and Sperduto, ML and Sutera, MC and Turinge, A and Vegna, V and Fix, A and Tiator, L and Kamalov, S}, year = {2008}, pages = {12}, DOI = {10.1103/PhysRevC.78.015203}, chapter = {015203}, keywords = {NEAR-THRESHOLD PHOTOPRODUCTION, BGO CALORIMETER, MESON PHOTOPRODUCTION, MONITORING-SYSTEM, ENERGY REGION, PROTON, DEUTERON, GRAAL, ELECTROPRODUCTION, PHOTOEXCITATION}, journal = {Physical review. C. Nuclear physics}, doi = {10.1103/PhysRevC.78.015203}, volume = {78}, number = {015203}, issn = {0556-2813}, title = {First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron}, keyword = {NEAR-THRESHOLD PHOTOPRODUCTION, BGO CALORIMETER, MESON PHOTOPRODUCTION, MONITORING-SYSTEM, ENERGY REGION, PROTON, DEUTERON, GRAAL, ELECTROPRODUCTION, PHOTOEXCITATION}, chapternumber = {015203} }
@article{article, author = {Fantini, A and Di Salvo, R and Bartalini, O ( and Bellini, V and Bocquet, JP and Casano, L and Castoldi, M and D'Angelo, A and Franco, D ( and Gervino, G and Ghio, F and Giardina, G and Girolami, B and Giusa, A and Kuznetsov, V and Lapik, A and Sandri, PL and Lleres, A and Mammoliti, F and Mandaglio, G and Manganaro, Marina and Moricciani, D and Nedorezov, V and Nicoletti, L and Randieri, C and Rebreyend, D and Renard, F and Rudnev, N and Russo, G and Schaerf, C and Sperduto, ML and Sutera, MC and Turinge, A and Vegna, V and Fix, A and Tiator, L and Kamalov, S}, year = {2008}, pages = {12}, DOI = {10.1103/PhysRevC.78.015203}, chapter = {015203}, keywords = {NEAR-THRESHOLD PHOTOPRODUCTION, BGO CALORIMETER, MESON PHOTOPRODUCTION, MONITORING-SYSTEM, ENERGY REGION, PROTON, DEUTERON, GRAAL, ELECTROPRODUCTION, PHOTOEXCITATION}, journal = {Physical review. C. Nuclear physics}, doi = {10.1103/PhysRevC.78.015203}, volume = {78}, number = {015203}, issn = {0556-2813}, title = {First measurement of the Sigma beam asymmetry in eta photoproduction on the neutron}, keyword = {NEAR-THRESHOLD PHOTOPRODUCTION, BGO CALORIMETER, MESON PHOTOPRODUCTION, MONITORING-SYSTEM, ENERGY REGION, PROTON, DEUTERON, GRAAL, ELECTROPRODUCTION, PHOTOEXCITATION}, chapternumber = {015203} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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