Differential cross section measurement of η photoproduction on the proton from threshold to 1100 MeV

被引：131

作者：

Renard, F ^{[1
]}

Anghinolfi, M

Bartalini, O

Bellini, V

Bocquet, JP

Capogni, M

Castoldi, M

Corvisiero, P

D'Angelo, A

Didelez, JP

Di Salvo, R

Gaulard, C

Gervino, G

Ghio, F

Girolami, B

Guidal, M

Hourany, E

Kouznetsov, V

Kunne, R

Lapik, A

Sandri, PL

Lleres, A

Morriciani, D

Nedorezov, V

Nicoletti, L

Rebreyend, D

Rudnev, N

Sanzone, M

Schaerf, C

Sperduto, ML

Sutera, MC

Taiuti, M

Turinge, A

Zhao, Q

Zucchiatti, A

机构：

[1] Inst Sci Nucl, IN2P3, F-38026 St Martin Dheres, France

[2] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[3] Univ Genoa, I-16146 Genoa, Italy

[4] Ist Nazl Fis Nucl, Sez Roma 2, I-00133 Rome, Italy

[5] Univ Roma Tor Vergata, I-00133 Rome, Italy

[6] Ist Nazl Fis Nucl, Sez Catania, I-95100 Catania, Italy

[7] Univ Catania, I-95100 Catania, Italy

[8] Inst Phys Nucl, IN2P3, F-91406 Orsay, France

[9] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[10] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[11] Univ Turin, I-10125 Turin, Italy

[12] Ist Nazl Fis Nucl, Sez Roma 1, I-00161 Rome, Italy

[13] Ist Super Sanita, I-00161 Rome, Italy

[14] Inst Theoret & Expt Phys, Moscow 117312, Russia

[15] RRC Kurchatov Inst, Moscow 123182, Russia

来源：

PHYSICS LETTERS B | 2002年 / 528卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)01196-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The differential cross section for the reaction p(gamma, etap) has been measured from threshold to 1100 MeV photon laboratory energy. For the first time, the region of the S-11(1535) resonance is fully covered in a photoproduction experiment and will allow a precise extraction of its parameters at the photon point. These high precision data together with the already measured beam asymmetry data will provide stringent constraints on the extraction of new couplings of baryon resonances to the eta meson. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：215 / 220

页数：6

共 27 条

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