TOTAL CROSS-SECTION FOR P+P-]P+P+PI-0 NEAR THRESHOLD MEASURED WITH THE INDIANA COOLER

被引:119
作者
MEYER, HO [1 ]
ROSS, MA [1 ]
POLLOCK, RE [1 ]
BERDOZ, A [1 ]
DOHRMANN, F [1 ]
GOODWIN, JE [1 ]
MINTY, MG [1 ]
NANN, H [1 ]
PANCELLA, PV [1 ]
PATE, SF [1 ]
VONPRZEWOSKI, B [1 ]
RINCKEL, T [1 ]
SPERISEN, F [1 ]
机构
[1] INDIANA UNIV,CYCLOTRON FACIL,BLOOMINGTON,IN 47405
关键词
D O I
10.1103/PhysRevLett.65.2846
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The total cross section for the reaction pp 'pp0 was measured at nine center-of-mass energies from 1.5 to 23 MeV above threshold. The experiment was carried out with the Indiana Cooler, a recently constructed storage ring. The experimental advantages of an electron-cooled proton beam were utilized. The data cover an energy range where only the lowest possible angular momentum state contributes in the exit channel. The measured energy dependence of the total cross section is not compatible with that predicted by models of s-wave pion production and rescattering. © 1990 The American Physical Society.
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收藏
页码:2846 / 2849
页数:4
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