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INTERACTION OF ANTILAMBDA HYPERONS WITH NUCLEONS AT INTERMEDIATE ENERGIES

Journal Article · · Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
DOI:https://doi.org/10.1007/BF02732947· OSTI ID:4193837
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Cross sections for the scattering and annihilation of antinyperons by nucleons are calculated at 75 and 150 Mev laboratory energies. The model of the anti- LAMBDA -bar/sup 0/nucleon interaction is an attractive potential at large interparticle separations and a black absorptive hole at separations less than approximately 0.4 fermis. The cross-sections are obtained both with and without a spin-orbit term in the potential. The outer part of the potential is taken to be the same as the outer part of the LAMBDA /sup 0/-nucleon potential required to fit the binding energies of the LAMBDA /sup 0/ in hyperfragments. This form for the outer region follows from the assumption that this part of the potential arises from the exchange of two pions. The results indicate that about one anti- LAMBDA -bar/sup 0/ in 50 will interact with a nucleon in a hydrogen bubble chamber at 150 Mev, the others decaying in flight. There are as yet no experimental data with which to compare the calculated crosssections. (auth)
Research Organization:
Michigan State Univ., East Lansing
Sponsoring Organization:
USDOE
NSA Number:
NSA-14-000865
OSTI ID:
4193837
Journal Information:
Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10) 13; ISSN NUCIA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ANNIHILATION
ANTIHYPERONS
BINDING ENERGY
BUBBLE CHAMBERS
CROSS SECTIONS
DECAY
ENERGY RANGE
INTERACTIONS
LAMBDA PARTICLES
NUCLEONS
PARTICLE MODELS
PHYSICS
PIONS
SCATTERING
SPIN