Production of η′ mesons in the pp→ppη′ reaction at 3.67 GeV/c

被引:56
作者
Balestra, F
Bedfer, Y
Bertini, R [1 ]
Bland, LC
Brenschede, A
Brochard, F
Bussa, MP
Choi, S
Debowski, M
Dzemidzic, M
Faivre, JC
Falomkin, IV
Fava, L
Ferrero, L
Foryciarz, J
Fröhlich, I
Frolov, V
Garfagnini, R
Grasso, A
Heinz, S
Ivanov, VV
Jacobs, WW
Kühn, W
Maggiora, A
Maggiora, M
Manara, A
Panzieri, D
Pfaff, HW
Piragino, G
Pontecorvo, GB
Popov, A
Ritman, J
Salabura, P
Tchalyshev, V
Tosello, F
Vigdor, SE
Zosi, G
机构
[1] CEA Saclay, Natl Saturne Lab, Gif Sur Yvette, France
[2] Indiana Univ, Cyclotron Facil, Bloomington, IN 47401 USA
[3] Joint Inst Nucl Res Dubna, Dubna, Russia
[4] Dipartimento Fis A Avogadro, Turin, Italy
[5] Ist Nazl Fis Nucl, I-10125 Turin, Italy
[6] Univ Piemonte Orientale, Turin, Italy
[7] Jagiellonian Univ, M Smoluchowski Inst Phys, Krakow, Poland
[8] H Niewodniczanski Inst Nucl Phys, Krakow, Poland
[9] Univ Giessen, Inst Phys 2, D-6300 Giessen, Germany
基金
美国国家科学基金会;
关键词
eta ' meson; proton-proton final state interaction;
D O I
10.1016/S0370-2693(00)01015-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The ratio of the total exclusive production cross sections for eta' and eta mesons has been measured in the pp reaction at p(beam) = 3.67 GeV/c. The observed eta'/eta ratio is (0.83 +/- 0.11(-0.18)(+0.23)) x 10(-2) from which the exclusive eta' meson production cross section is determined to be (1.12 +/- 0.15(-0.31)(+0.42)) mub Differential cross section distributions have been measured. Their shape is consistent with isotropic eta' meson production. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:29 / 35
页数:7
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