Radiative kaon capture on deuterium and the Lambda n scattering lengths

The photon spectrum from {ital K}{sup {minus}}{ital d}{r arrow}{Lambda}{ital n}{gamma} at rest has been measured for the first time. We obtained the branching ratio, in the end-point region, of (1.89{plus minus}0.12{plus minus}0.28){times}10{sup {minus}3} where the first error is statistical and the...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 1990-08, Vol.42 (2), p.R475-R478
Main Authors: Gall, KP, Booth, EC, Fickinger, WJ, Hasinoff, MD, Hessey, NP, Horváth, D, Lowe, J, McIntyre, EK, Measday, DF, Miller, JP, Noble, AJ, Roberts, BL, Robinson, DK, Sakitt, M, Salomon, M, Whitehouse, DA
Format: Article
Language:English
Subjects:
645103 - High Energy Physics- Particle Interactions & Properties-Experimental- Strong Interactions & Baryon & Meson Properties
651220 - Nuclear Properties & Reactions, A=1-5, Experimental
BARYON-BARYON INTERACTIONS
BARYONS
CAPTURE
CHARGED-PARTICLE REACTIONS
DEUTERIUM TARGET
DIMENSIONS
ELEMENTARY PARTICLES
FERMIONS
GAMMA SPECTRA
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INTERACTIONS
KAON MINUS REACTIONS
KAON REACTIONS
LAMBDA BARYONS
LAMBDA PARTICLES
LENGTH
MESON REACTIONS
NEUTRONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
NUCLEON-HYPERON INTERACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
SCATTERING LENGTHS
SPECTRA
STRANGE PARTICLES
TARGETS
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Summary:The photon spectrum from {ital K}{sup {minus}}{ital d}{r arrow}{Lambda}{ital n}{gamma} at rest has been measured for the first time. We obtained the branching ratio, in the end-point region, of (1.89{plus minus}0.12{plus minus}0.28){times}10{sup {minus}3} where the first error is statistical and the second is systematic. We have found that the shape of the photon energy spectrum is consistent with the distribution calculated by Workman and Fearing with {Lambda}{ital n} scattering lengths and effective ranges predicted by the Nijmegen group.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.42.R475