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Weak decay of p-shell lambda hypernuclei

Thesis/Dissertation ·
OSTI ID:7184639

Methods and results of an experiment to study the weak decay of Lambda hypernuclei are presented. The hypernuclei under study were /sub ..lambda..//sup 12/C, /sub ..lambda..//sup 11/B, plus a hypernucleus of unknown charge and mass designated /sub ..lambda..//sup A/Z. The hypernuclei were produced using the strangeness changing reaction K/sup -/ + /sup 12/C ..-->.. ..pi../sup -/ + /sub ..lambda../sup 12/C. The hypernuclear production data were obtained using the Hypernuclear Spectrometer and the Low Energy Separated Beam (LESB I), at the AGS of Brookhaven National Laboratory. The Kaon beam momentum was 805 MeV/c. The experimental results are compared with several calculations for hypernuclear nonmesonic decay in infinite nuclear matter and in finite nuclei. Several of these calculations agree favorably with the total nonmesonic rate, but none of the calculations are able to determine both the nonmesonic rate and the neutron stimulated fraction, n.

Research Organization:
Minnesota Univ., Minneapolis (USA)
OSTI ID:
7184639
Country of Publication:
United States
Language:
English

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Related Subjects

645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYONS
BORON 11
BORON ISOTOPES
BOSONS
BROOKHAVEN AGS
CARBON 12
CARBON 12 TARGET
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
COINCIDENCE METHODS
COUNTING TECHNIQUES
CYCLIC ACCELERATORS
DATA
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
FERMIONS
GAMMA SPECTRA
HADRON REACTIONS
HADRONS
HYPERNUCLEI
HYPERONS
INFORMATION
ISOTOPES
KAON MINUS REACTIONS
KAON REACTIONS
LAMBDA BARYONS
LAMBDA PARTICLES
LIGHT NUCLEI
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NEUTRONS
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
NUMERICAL DATA
ODD-EVEN NUCLEI
PARTICLE DECAY
PARTICLE PRODUCTION
PIONS
PIONS MINUS
PIONS NEUTRAL
PROTONS
PSEUDOSCALAR MESONS
SPECTRA
STABLE ISOTOPES
STRANGE PARTICLES
SYNCHROTRONS
TARGETS
WEAK HADRONIC DECAY
WEAK PARTICLE DECAY