Search for /ital K//sub /ital L///r arrow//pi//sup 0//gamma//gamma/
Journal Article
·
· Phys. Rev. Lett.; (United States)
A search for the rare decay mode /ital K//sub /ital L///r arrow//pi//sup 0//gamma//gamma/ was performed using a data set from Fermilab experiment E-731. The decay is of interest in the context of chiral perturbation theory and for its contribution to the decay /ital K//sub /ital L///r arrow//pi//sup 0/e/sup +/e/sup /minus//. The result is /ital B/(/ital K//sub /ital L///r arrow//pi//sup 0//gamma//gamma/)/lt/2.7 /times/10/sup /minus/6/ (90% confidence level) which is nearly a two-order-of magnitude improvement over the previous best limit.
- Research Organization:
- The Enrico Fermi Institute and the Department of Physics, The University of Chicago, Chicago, Illinois 60637(US); The Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637; Fermi National Accelerator Laboratory, Batavia, Illinois 60510
- OSTI ID:
- 5874473
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 63:1; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Search for the decay [ital K][sub [ital L]][sup 0][r arrow][pi][sup 0][pi][sup 0][gamma]
Analysis of the decay [ital K][sub [ital L]][r arrow][pi][sup 0][gamma][gamma] and expectations for the decays [ital K][sub [ital L]][r arrow][pi][sup 0][ital e+][ital e[minus]] and [ital K][sub [ital L]][r arrow][pi][sup 0][mu][sup +][mu][sup [minus]]
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Journal Article
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Mon Aug 01 00:00:00 EDT 1994
· Physical Review, D (Particles Fields); (United States)
·
OSTI ID:7272743
Analysis of the decay [ital K][sub [ital L]][r arrow][pi][sup 0][gamma][gamma] and expectations for the decays [ital K][sub [ital L]][r arrow][pi][sup 0][ital e+][ital e[minus]] and [ital K][sub [ital L]][r arrow][pi][sup 0][mu][sup +][mu][sup [minus]]
Journal Article
·
Tue Jun 01 00:00:00 EDT 1993
· Physical Review, D (Particles Fields); (United States)
·
OSTI ID:6771399
K sub L r arrow 2. gamma. and K sub L r arrow. pi. sup +. pi. sup minus. gamma. decays
Journal Article
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Mon Dec 31 23:00:00 EST 1990
· Physical Review, D (Particles Fields); (USA)
·
OSTI ID:6151929
Related Subjects
645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
BRANCHING RATIO
CHIRAL SYMMETRY
CP INVARIANCE
DATA
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
HADRONS
INFORMATION
INVARIANCE PRINCIPLES
KAONS
KAONS NEUTRAL
KAONS NEUTRAL LONG-LIVED
MASS SPECTRA
MASSLESS PARTICLES
MESONS
NUMERICAL DATA
PHOTONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
RADIATIVE DECAY
SPECTRA
STRANGE MESONS
STRANGE PARTICLES
SYMMETRY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
BRANCHING RATIO
CHIRAL SYMMETRY
CP INVARIANCE
DATA
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
HADRONS
INFORMATION
INVARIANCE PRINCIPLES
KAONS
KAONS NEUTRAL
KAONS NEUTRAL LONG-LIVED
MASS SPECTRA
MASSLESS PARTICLES
MESONS
NUMERICAL DATA
PHOTONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
RADIATIVE DECAY
SPECTRA
STRANGE MESONS
STRANGE PARTICLES
SYMMETRY