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

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 π acceptance. The parameter T 0 characterizing the slope of the spectrum of invariant cross sections for cumulative-deuteron production in 1...

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Bibliographic Details
Published in:Physics of atomic nuclei 2009-03, Vol.72 (3), p.452-458
Main Author: Olimov, Kh. K.
Format: Article
Language:English
Subjects:
ABSORPTION
ALPHA PARTICLES
ATOM COLLISIONS
ATOMIC AND MOLECULAR PHYSICS
BARYONS
BOSONS
CHARGED PARTICLES
COLLISIONS
COMPARATIVE EVALUATIONS
CROSS SECTIONS
DEUTERIUM
DEUTERONS
ELEMENTARY PARTICLES
Elementary Particles and Fields
ENERGY RANGE
EVALUATION
EVEN-EVEN NUCLEI
FERMIONS
GEV RANGE
HADRONS
HYDROGEN ISOTOPES
INTERACTIONS
IONIZING RADIATIONS
ISOTOPES
LIGHT NUCLEI
MESONS
MULTIPLICITY
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEI
NUCLEONS
ODD-ODD NUCLEI
OXYGEN 16
OXYGEN ISOTOPES
Particle and Nuclear Physics
Physics
Physics and Astronomy
PIONS
PROTONS
PSEUDOSCALAR MESONS
RADIATIONS
SORPTION
STABLE ISOTOPES
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Description
Summary: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 π acceptance. The parameter T 0 characterizing the slope of the spectrum of invariant cross sections for cumulative-deuteron production in 16 O p 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.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778809030077