DELBRUCK SCATTERING OF 30-100 MEV PHOTONS BY PB THROUGH ANGLES OF 15-DEGREES-30-DEGREES

被引：9

作者：

BAUMANN, A

RULLHUSEN, P

ROSE, KW

LUDWID, M

SCHUMACHER, M

MILSTEIN, AI

HENNEBERG, JM

WIELOCHLAUFENBERG, N

ZIEGLER, B

机构：

[1] NOVOSIBIRSK NUCL PHYS INST,NOVOSIBIRSK 630090,USSR

[2] MAX PLANCK INST CHEM,W-6500 MAINZ,GERMANY

来源：

NUCLEAR PHYSICS A | 1992年 / 536卷 / 01期

关键词：

NUCLEAR REACTIONS PB(GAMMA-GAMMA); E; 30-100; MEV; MEASURED D-SIGMA/D-OMEGA AT THETA = 15-DEGREES; 20-DEGREES; AND 30-DEGREES FOR COHERENT ELASTIC SCATTERING; COMPARISON WITH DIFFERENT PREDICTIONS FOR DELBRUCK SCATTERING INCLUDING THE LARGE-ANGLE HIGH-ENERGY APPROXIMATION; NATURAL TARGET;

D O I：

10.1016/0375-9474(92)90247-H

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 (Compton) scattering of 30-100 MeV photons by Pb through angles of 15-degrees-30-degrees is measured using the MPI tagged-photon facility at MAMI A. The data are discussed in terms of three different approaches to Delbruck scattering, viz. the lowest-order Born approximation, the small-angle high-energy approximation, and the large-angle high-energy approximation. The latter method which is investigated in detail for the first time, leads to a good agreement with experiment at THETA = 20-degrees but to some disagreement at THETA = 15-degrees.

引用

页码：87 / 108

页数：22

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