Production of cumulative deuterons in collisions of oxygen nuclei with protons at a momentum of 3.25 GeV/c per nucleon

被引：0

作者：

Olimov, Kh. K. ^{[1
]}

机构：

[1] Uzbek Acad Sci, Inst Phys & Technol, Fizika Solntse Res & Prod Assoc, Tashkent 700084, Uzbekistan

来源：

PHYSICS OF ATOMIC NUCLEI | 2009年 / 72卷 / 03期

关键词：

SECONDARY ABSORPTION PROCESSES; BACKWARD HEMISPHERE; (16)OP COLLISIONS; ANTINEUTRINOS;

D O I：

10.1134/S1063778809030077

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：

The production of cumulative nuclei of (2)H in (16)O (p) collisions at a momentum of 3.25 GeV/c per nucleon was studied for the first time under conditions of a 4 pi acceptance. The parameter T (0) characterizing the slope of the spectrum of invariant cross sections for cumulative-deuteron production in (16)Op interactions was determined. The contribution to cumulative-deuteron production from the decay of the alpha-particle clusters in nuclei upon slow-pion absorption by these clusters was found on the basis of an analysis of the momentum distribution of these cumulative nuclei. The estimates obtained for the contribution of these processes from a comparison of the mean multiplicities of particles and fragments in cumulative and noncumulative events agree well with the respective result extracted from the momentum distribution of cumulative deuterons.

引用

页码：452 / 458

页数：7

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