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Search for doubly charged Higgs scalars in Z decay

Journal Article · · Physical Review Letters; (USA)
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We describe a search for the decay of the {ital Z} boson into pairs of doubly charged Higgs bosons with the Mark II detector operating at the SLAC Linear Collider. Each Higgs boson is assumed to decay into a same-sign leptonic pair. No event candidates are found in a sample of 528 {ital Z} decays. At the 95% confidence level, this result excludes the region of leptonic coupling {ital g}{sub {ital l}{ital l}}{gt}3{times}10{sup {minus}7} and Higgs-boson mass 6.5{lt}{ital M}{sub {ital H}}{lt}36.5 GeV/{ital c}{sup 2} for isotriplet (left-handed) Higgs bosons. Isosinglet (right-handed) Higgs bosons are excluded in the same {ital g}{sub {ital l}{ital l}} interval and in the mass interval 7.3{lt}{ital M}{sub {ital H}}{lt}34.3 GeV/{ital c}{sup 2}.
DOE Contract Number:
AC02-84ER40125; AC03-76SF00098; AC02-76ER01112; AC03-76SF00515
OSTI ID:
6761301
Journal Information:
Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 64:24; ISSN PRLTA; ISSN 0031-9007
Country of Publication:
United States
Language:
English

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Related Subjects

645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645102 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
BOSONS
DATA
DATA ANALYSIS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 01-10
GEV RANGE 10-100
HIGGS BOSONS
INFORMATION
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LEPTON-LEPTON INTERACTIONS
LEPTONIC DECAY
LIMITING VALUES
MASS
NATIONAL ORGANIZATIONS
NUMERICAL DATA
PARTICLE DECAY
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
POSTULATED PARTICLES
STANFORD LINEAR ACCELERATOR CENTER
US DOE
US ERDA
US ORGANIZATIONS
WEAK INTERACTIONS
WEAK PARTICLE DECAY
Z NEUTRAL BOSONS