PI(-)-C-12 ELASTIC-SCATTERING ABOVE THE DELTA-RESONANCE

被引：30
|
作者：
TAKAHASHI, T
SAKAGUCHI, H
AOKI, K
HASEGAWA, T
HASHIMOTO, O
NAGAE, T
SEKIMOTO, M
OHKUSU, A
BHANG, H
YU, H
GAVRILOV, Y
机构：
[1] NATL LAB HIGH ENERGY PHYS, IBARAKI 305, OSAKA, JAPAN
[2] UNIV TOKYO, INST NUCL STUDY, TANASHI, TOKYO 188, JAPAN
[3] OSAKA UNIV, DEPT PHYS, TOYONAKA, OSAKA 660, JAPAN
[4] SEOUL NATL UNIV, DEPT PHYS, SEOUL 151742, SOUTH KOREA
[5] RUSSIAN ACAD SCI, NUCL RES INST, MOSCOW, RUSSIA
来源：
PHYSICAL REVIEW C | 1995年 / 51卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.51.2542
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：
Systematic measurements of π- elastic scattering on C12 above the Δ-resonance region are reported. The differential cross sections were measured at 610, 710, 790, and 895 MeV/c over an angular range from 5°to 50°. The obtained data were compared with the first-order optical potential model. In the forward region, agreement with the calculation increases with the incident momentum. In the backward region, however, the calculation underestimates the data. The total cross section was extracted, and its energy dependence shows that the effect of Fermi averaging is important. © 1995 The American Physical Society.
引用
收藏
页码：2542 / 2552
页数：11
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