Compton scattering, meson exchange, and the polarizabilities of bound nucleons

被引：12

作者：

Feldman, G ^{[1
]}

Mellendorf, KE ^{[1
]}

Eisenstein, RA ^{[1
]}

Federspiel, FJ ^{[1
]}

Garino, G ^{[1
]}

Igarashi, R ^{[1
]}

Kolb, NR ^{[1
]}

Lucas, MA ^{[1
]}

MacGibbon, BE ^{[1
]}

Mize, WK ^{[1
]}

Nathan, AM ^{[1
]}

Pywell, RE ^{[1
]}

Wells, DP ^{[1
]}

机构：

[1] UNIV ILLINOIS, DEPT PHYS, URBANA, IL 61801 USA

来源：

PHYSICAL REVIEW C | 1996年 / 54卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.54.R2124

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：

Elastic photon scattering cross sections on O-16 have been measured in the energy range 27-108 MeV. These data are inconsistent with a conventional interpretation in which the electric and magnetic polarizabilities of the bound nucleon are unchanged from the free values and the meson-exchange seagull amplitude is taken in the zero-energy limit. Agreement with the data can be achieved by invoking either strongly modified polarizabilities or a substantial energy dependence to the meson-exchange seagull amplitude. It is argued that these seemingly different explanations are experimentally indistinguishable and probably physically equivalent.

引用

页码：R2124 / R2128

页数：5

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