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

来源：

PHYSICS LETTERS B | 2000年 / 491卷 / 1-2期

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

页码：29 / 35

页数：7

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