Evidence for a neutrino-induced dilepton event in the A. N. L. 12-foot bubble chamber. [Approximately 2000 MeV/c/sup 2/]

Technical Report · Thu Jan 01 04:00:00 EST 1976

DOI:https://doi.org/10.2172/7263249· OSTI ID:7263249

Garfinkel, A F

The event ..nu..p(n/sub s/) ..-->.. ..mu../sup -/p..pi../sup +/..pi../sup -/..pi../sup 0/e/sup +/ ..nu../sub e/(n /sub s/), found in a bubble chamber, is considered. It is concluded that this event is clearly unusual when explained in terms of normal neutrino interactions. But if it is an example of dilepton production, it occurs at the expected rate of single lepton production. If it is due to the weak decay of a new baryon, the baryon mass appears to be near 2 GeV/c/sup 2/ and is unlikely to be as high as 2.4 GeV/c/sup 2/. (JFP)

• Research Organization: Purdue Univ., Lafayette, Ind. (USA)
• OSTI ID: 7263249
• Report Number(s): COO-1428-436
• Country of Publication: United States
• Language: English

Related Subjects

645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
BARYON RESONANCES
BARYONS
BOSONS
BUBBLE CHAMBERS
DECAY
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
FERMIONS
GAS TRACK DETECTORS
HADRONS
INTERACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LEPTONS
MASS
MASSLESS PARTICLES
MEASURING INSTRUMENTS
MESONS
MUONS
MUONS MINUS
NEUTRINO-NUCLEON INTERACTIONS
NEUTRINO-PROTON INTERACTIONS
NEUTRINOS
NUCLEONS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PIONS
PIONS MINUS
PIONS NEUTRAL
PIONS PLUS
POSITRONS
PROTONS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
RESONANCE PARTICLES