Calculation of (K/sup -/,. pi. ) hypernuclear yields for stopped kaons in /sup 12/C

Journal Article · Mon Sep 01 04:00:00 EDT 1986 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.34.956· OSTI ID:5080938

Gal, A; Klieb, L

Yields of the /sup 12/C(K/sup -/, ..pi../sup -/)/sub //sub <1/ /sub ..lambda..//sup 2/C and /sup 12/C(K/sup -/,..pi../sup +/) /sub //sup 1/ /sub ..sigma..//sup 2/Be stopped-kaon reactions to 1s-italic and 1p-italic hypernuclear states are studied in detail within the distorted wave impulse approximation, employing realistic K/sup -/ atomic wave functions and pion distorted waves. The calculated ..lambda..-hypernuclear yields are weaker than the ..sigma..-hypernuclear yields by more than an order of magnitude, particularly because the outgoing pion wave is strongly damped in the ..lambda.. production region due to the proximity to the 3,3 resonance, and are sensitive to within factors of 1.5--3 to the choice of pion optical potential. The largest uncertainty, by as much as a factor of 3.5, is that for the ratio of 2/sup +/ to 0/sup +/ excitations. The calculated ..sigma..-hypernuclear yields, on the other hand, are generally stable, to within 20%, to variations in the input parameters. The results of the calculation are compared with old and new data of stopped-kaon reactions on /sup 12/C, and with previous theoretical reports. Yields are also calculated for production of 1p-italic/sub ..lambda../ states in /sub //sub <1/ /sub ..lambda..//sup 6/O which decay only by proton emission.

• Research Organization: TRIUMF, Vancouver, British Columbia, Canada V6T 2A3
• OSTI ID: 5080938
• Journal Information: Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 34:3; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

651315* -- Nuclear Properties &amp; Reactions
A=6-19
Theoretical-- Nuclear Reactions &amp; Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ANGULAR MOMENTUM
BARYONS
BERYLLIUM 12
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BOSONS
CARBON 12
CARBON 12 TARGET
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
DISTORTED WAVE THEORY
ELEMENTARY PARTICLES
ENERGY LEVELS
EVEN-EVEN NUCLEI
FERMIONS
HADRON REACTIONS
HADRONS
HYPERNUCLEI
IMPULSE APPROXIMATION
ISOTOPES
KAON MINUS REACTIONS
KAON REACTIONS
LIGHT NUCLEI
MESON REACTIONS
MESONS
NUCLEAR FRAGMENTS
NUCLEAR REACTION YIELD
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
OXYGEN 16
OXYGEN ISOTOPES
PARITY
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PIONS
PIONS MINUS
PIONS PLUS
PROTONS
PSEUDOSCALAR MESONS
RADIOISOTOPES
SPIN
STABLE ISOTOPES
STRANGENESS-EXCHANGE REACTIONS
TARGETS
YIELDS