Search for third-generation leptoquarks in p anti-p collisions at s**(1/2) = 1.96-TeV

Journal Article · Tue May 01 00:00:00 EDT 2007 · Phys.Rev.Lett.99:061801,2007

DOI:https://doi.org/10.1103/PhysRevLett.99.061801· OSTI ID:918732

Abazov, V M; Abbott, B; Abolins, Maris; Acharya, Bobby Samir; Adams, M; Adams, Todd; Aguilo, E; Ahn, S H; Ahsan, M; Alexeev, G D; Alkhazov, Georgiy

We report on a search for charge-1/3 third-generation leptoquarks (LQ) produced in p{bar p} collisions at {radical}(s)=1.96 TeV using the D0 detector at Fermilab. Third-generation leptoquarks are assumed to be produced in pairs and to decay to a tau neutrino and a b quark with branching fraction B. We place upper limits on {sigma}(p{bar p}{yields}LQ{ovr LQ})B{sup 2} as a function of the leptoquark mass M{sub LQ}. Assuming B=1, we exclude at the 95% confidence level third-generation scalar leptoquarks with M{sub LQ}<229 GeV.

• Research Organization: Fermi National Accelerator Laboratory (FNAL), Batavia, IL
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 918732
• Report Number(s): FERMILAB-PUB-07-113-E; arXiv eprint number arXiv:0705.0812
• Journal Information: Phys.Rev.Lett.99:061801,2007, Journal Name: Phys.Rev.Lett.99:061801,2007
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
B QUARKS
COLLISIONS
DECAY
Experiment-HEP
FERMILAB
PROTON-ANTIPROTON INTERACTIONS
SCALARS
TAU NEUTRINOS