Production of delta isobars on tantalum nuclei in CTa collisions at a projectile momentum of 4.2 GeV/c per nucleon

A procedure that relies on analyzing the angle between the momenta of the proton and the pion originating from CTa interaction at a projectile momentum of 4.2 GeV/ c per nucleon was used to investigate for the first time the production of Δ 0 and Δ ++ resonances in such interactions and to determine...

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Published in:Physics of atomic nuclei 2010-03, Vol.73 (3), p.433-442
Main Author: Olimov, Kh. K.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
CARBON
CARBON 12
CARBON ISOTOPES
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
Elementary Particles and Fields
ELEMENTS
ENERGY RANGE
EVEN-EVEN NUCLEI
FERMIONS
GEV RANGE
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOBARIC NUCLEI
ISOTOPES
LIGHT NUCLEI
MASS DISTRIBUTION
MESONS
METALS
NONMETALS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEI
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
Particle and Nuclear Physics
PARTICLE INTERACTIONS
Physics
Physics and Astronomy
PIONS
PIONS MINUS
PROTONS
PSEUDOSCALAR MESONS
REFRACTORY METALS
RESONANCE
SPATIAL DISTRIBUTION
STABLE ISOTOPES
TANTALUM
TRANSITION ELEMENTS
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description A procedure that relies on analyzing the angle between the momenta of the proton and the pion originating from CTa interaction at a projectile momentum of 4.2 GeV/ c per nucleon was used to investigate for the first time the production of Δ 0 and Δ ++ resonances in such interactions and to determine their parameters. The criterion of stability in the parameter a characterizing the background contribution was presented for the first time and was used to reconstruct the mass distributions of Δ 0 and Δ ++ resonances. The contributions of Δ 0 - and Δ ++ -resonance decays to the production of charged pions were estimated. The results of this study are compared with similar data obtained by using the analogous procedure for Δ 0 and Δ ++ resonances produced on carbon nuclei in CC and 4 HeC collisions at a projectile momentum of 4.2 GeV/ c per nucleon and in π −12 C interactions at a projectile momentum of 40 GeV/ c .
doi_str_mv 10.1134/S1063778810030051
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identifier ISSN: 1063-7788
ispartof Physics of atomic nuclei, 2010-03, Vol.73 (3), p.433-442
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1562-692X
language eng
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subjects ATOMIC AND MOLECULAR PHYSICS
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
CARBON
CARBON 12
CARBON ISOTOPES
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
Elementary Particles and Fields
ELEMENTS
ENERGY RANGE
EVEN-EVEN NUCLEI
FERMIONS
GEV RANGE
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOBARIC NUCLEI
ISOTOPES
LIGHT NUCLEI
MASS DISTRIBUTION
MESONS
METALS
NONMETALS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEI
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
Particle and Nuclear Physics
PARTICLE INTERACTIONS
Physics
Physics and Astronomy
PIONS
PIONS MINUS
PROTONS
PSEUDOSCALAR MESONS
REFRACTORY METALS
RESONANCE
SPATIAL DISTRIBUTION
STABLE ISOTOPES
TANTALUM
TRANSITION ELEMENTS
title Production of delta isobars on tantalum nuclei in CTa collisions at a projectile momentum of 4.2 GeV/c per nucleon
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