Fragmentation of relativistic nuclei in peripheral interactions in nuclear track emulsion

Journal Article · Mon Sep 15 00:00:00 EDT 2008 · Physics of Atomic Nuclei

DOI:https://doi.org/10.1134/S1063778808090111· OSTI ID:21404705

Bradnova, V ^[1]; Chernyavsky, M M; Goncharova, L A ^[2]; Haiduc, M ^[3]; Kachalova, N A ^[1]; Kharlamov, S P ^[2]; Kovalenko, A D; Malakhov, A I ^[1]; Moiseenko, A A ^[4]; Orlova, G I; Peresadko, N G; Polukhina, N G ^[2]; Rukoyatkin, P A; Rusakova, V V ^[1]; Sarkisyan, V R ^[4]; Stanoeva, R ^[5]; Shchedrina, T V; Vokal, S; Vokalova, A ^[1]

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1. Joint Institute for Nuclear Research (Russian Federation)
2. Russian Academy of Sciences, Lebedev Institute of Physics (Russian Federation)
3. Institute of Space Sciences (Romania)
4. Institute of Physics (Armenia)
5. Bulgarian Academy of Sciences, Institute of Nuclear Research and NuclearEnergy (Bulgaria)

The technique of nuclear track emulsions is used to explore the fragmentation of light relativistic nuclei down to the most peripheral interactions: nuclear 'white' stars. A complete pattern of the relativistic dissociation of a 8B nucleus with target fragment accompaniment is presented. Relativistic dissociation {sup 9}Be {yields} 2{alpha} is explored using significant statistics, and a relative contribution of {sup 8}Be decays from 0+ and 2+ states is established. Target fragment accompaniments are shown for relativistic fragmentation {sup 14}N {yields} 3He +H and {sup 22}Ne {yields} 5He. The leading role of the electromagnetic dissociation on heavy nuclei with respect to breakups on target protons is demonstrated in all these cases. It is possible to conclude that the peripheral dissociation of relativistic nuclei in nuclear track emulsion is a unique tool to study many-body systems composed of the lightest nuclei and nucleons in the energy scale relevant for nuclear astrophysics.

• OSTI ID: 21404705
• Journal Information: Physics of Atomic Nuclei, Vol. 71, Issue 9; Other Information: DOI: 10.1134/S1063778808090111; Copyright (c) 2008 Pleiades Publishing, Ltd.; ISSN 1063-7788
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASTROPHYSICS
BERYLLIUM 8
BERYLLIUM 9
BORON 8
DISSOCIATION
EMULSIONS
FRAGMENTATION
HEAVY NUCLEI
HELIUM 3
HELIUM 5
MANY-BODY PROBLEM
NEON 22
NITROGEN 14
PARTICLE DECAY
PARTICLE TRACKS
PROTONS
RELATIVISTIC RANGE
WHITE DWARF STARS
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
BARYONS
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BORON ISOTOPES
COLLOIDS
DECAY
DISPERSIONS
DWARF STARS
ELEMENTARY PARTICLES
ENERGY RANGE
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMIONS
HADRONS
HELIUM ISOTOPES
ISOTOPES
LIGHT NUCLEI
MILLISECONDS LIVING RADIOISOTOPES
NEON ISOTOPES
NITROGEN ISOTOPES
NUCLEI
NUCLEONS
ODD-ODD NUCLEI
PHYSICS
RADIOISOTOPES
STABLE ISOTOPES
STARS