DESCRIPTION OF PI-P-]DELTA(1232)PI AND PI-P-]DELTA(1232)RHO(770) REACTION PROCEEDING VIA BARYON EXCHANGE MECHANISM

被引：0
|
作者：
AKOPOV, NZ
ARAKELYAN, GG
FERRER, A
GRIGORYAN, AA
KHACHATRYAN, GN
PEREPELITSA, VF
机构：
[1] UNIV VALENCIA,CSIC,CTR MIXTO,IFIC,E-46100 BURJASSOT,SPAIN
[2] UNIV VALENCIA,DEPT THEORET PHYS,E-46100 BURJASSOT,SPAIN
[3] MOSCOW THEORET & EXPTL PHYS INST,MOSCOW 117259,USSR
来源：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1991年 / 52卷 / 04期
关键词：
D O I：
10.1007/BF01562342
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We analyze the available experimental data on the backward production processes pi-N --> DELTA-pi and pi-N --> DELTA-rho in the framework of the strong-cut Reggeized absorption model, which is based on the exchange of the baryon Regge trajectories N-alpha and DELTA-delta with the associated cuts. The model describes rather well the data on the differential cross sections at incident pi momenta ranging from 2.15 to 20 GeV/c. An essential contribution of DELTA-delta exchange even at small energies (E(lab) of the order of a few GeV) is found. A model-independent analysis of data confirms this fenomena.
引用
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页码：663 / 672
页数：10
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