Search for pentaquarks in 920 GeV proton-nucleus collisions at HERA-B

被引：0

作者：

Medinnis, M ^{[1
]}

机构：

[1] DESY, D-22603 Hamburg, Germany

来源：

Quark Confinement and the Hadron Spectrum VI | 2005年 / 756卷

关键词：

pentaquark; hadron spectroscopy;

D O I：

暂无

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

HERA-B has searched in vain for evidence of the production of two recently reported states which have been identified as possible pentaquarks: the Theta(+)(1540). decaying into pK(3)(0), and the Xi(--)(3/2), decaying into Xi(-)pi(-). Upper limits on production cross sections at mid-rapidity and on ratios of the production cross sections to those of well-known resonances in 920 GeV proton-nucleus interactions are reported.

引用

页码：442 / 444

页数：3

共 50 条

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