Spectroscopy of the hypernuclei /sub. lambda. //sup 13/C, /sub. lambda. //sup 14/N, and /sub. lambda. //sup 18/O with the (K,. pi. ) strangeness exchange reaction

Thesis/Dissertation · Sat Jan 01 04:00:00 EST 1983

OSTI ID:6350130

Bart, S M

Levels in the hypernuclei /sub ..lambda..//sup 13/C, /sub ..lambda..//sup 14/N, and /sub ..lambda..//sup 18/O have been observed at the Brookhaven National Laboratory Alternating Gradient Synchrotron. Study of such non closed shell hypernuclei represents a deviation from previous hypernuclear experiments which focused on even-even target nuceli. The hypernuclei were created with 800 MeV/c kaons in the (K/sup -/,..pi../sup -/) strangeness exchange reaction with scattering angles from 0/sup 0/ to 25/sup 0/, corresponding to momentum transfers from 50 to 330 MeV/c. The case of /sub ..lambda..//sup 13/C is a unique measurement which used an isotopically enriched benzene scintillator as the target. The large signal produced by the hyperon decay is an excellent signature of hypernuclear production. The resulting /sub ..lambda..//sup 13/C spectra have been interpreted theoretically in terms of a ..lambda.. hyperon coupled to a zero strangeness core to provide insights into the ..lambda..-nucleus and ..lambda..-nucleon interactions. Specifically, the data constrain the ..lambda..-nucleus residual interaction matrix elements and the (..lambda..-nucleus + ..lambda..-nucleon) spin orbit interaction. The experimental technique is also applicable to other hypernuclear studies, notably, ..sigma.., Xi, and ..lambda lambda.. hypernuclei.

• Research Organization: Houston Univ., TX (USA)
• OSTI ID: 6350130
• Country of Publication: United States
• Language: English

Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BOSONS
CARBON 13
CARBON 13 TARGET
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
DATA
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FERMIONS
HADRON REACTIONS
HADRONS
HYPERNUCLEI
HYPERONS
INFORMATION
ISOTOPES
KAON MINUS REACTIONS
KAON REACTIONS
LAMBDA PARTICLES
LIGHT NUCLEI
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NITROGEN 14
NITROGEN 14 TARGET
NITROGEN ISOTOPES
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
OXYGEN 18
OXYGEN 18 TARGET
OXYGEN ISOTOPES
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
SPECTRA
STABLE ISOTOPES
STRANGE PARTICLES
STRANGENESS-EXCHANGE REACTIONS
TARGETS