PHOTOPRODUCTION OF CHARGED PION PAIRS ON PROTONS

被引:34
作者
ALVENSLEBEN, H
BECKER, U
BERTRAM, WK
CHEN, M
COHEN, KJ
KNASEL, TM
MARSHALL, R
QUINN, DJ
ROHDE, M
SANDERS, GH
SCHUBEL, H
TING, SCC
机构
[1] Deutsches Elektronen-Synchrotron, Hamburg
[2] Department of Physics, Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, MA
关键词
D O I
10.1103/PhysRevLett.23.1058
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A high-statistics (100 000 events) measurement of photoproduction of charged pion pairs on protons is reported in two parts. First, the measured cross sections are presented in a three-dimensional data matrix where all the dynamical features are explicitly shown. Second, fitting the data in the energy region 2.6-6.8 GeV with various assumptions on ρ production indicates that dσdt|t=0 for the photoproduction of ρ decreases with increasing energy similar to πN scattering. © 1969 The American Physical Society.
引用
收藏
页码:1058 / +
页数:1
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