Dijet invariant mass distribution in top quark hadronic decay with QCD corrections

Journal Article · Tue Nov 01 04:00:00 EDT 2011 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.84.094021· OSTI ID:21608027

Huasheng, Shao ^[1]; Yujie, Zhang ^[2]; Kuangta, Chao ^[1]

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1. Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871 (China)
2. Key Laboratory of Micro-nano Measurement-Manipulation and Physics (Ministry of Education) and School of Physics, Beihang University, Beijing 100191 (China)

The dijet invariant mass distributions from the hadronic decay of unpolarized top quark (t{yields}bW{sup +} followed by W{sup +}{yields}ud) are calculated, including the next-to-leading order QCD radiative corrections. We treat the top decay in the complex mass scheme due to the existence of the intermediate state W boson. Our analytical expressions are also available in different dimensional regularization schemes and {gamma}{sub 5} strategies. Finally, in order to construct the jets, we use different jet algorithms to compare their influences on our results. The obtained dijet mass distributions from the top quark decay are useful to distinguish these dijets from those produced via other sources and to clarify the issue about the recent CDF Collaboration's Wjj anomaly.

• OSTI ID: 21608027
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 84; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGORITHMS
BOSONS
COMPARATIVE EVALUATIONS
COMPUTERIZED SIMULATION
CORRECTIONS
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
EVALUATION
FERMILAB COLLIDER DETECTOR
FERMIONS
FIELD THEORIES
HADRONIC PARTICLE DECAY
INTERMEDIATE BOSONS
INTERMEDIATE STATE
INTERMEDIATE VECTOR BOSONS
MASS
MASS DISTRIBUTION
MATHEMATICAL LOGIC
MEASURING INSTRUMENTS
PARTICLE DECAY
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARKS
RADIATION DETECTORS
RADIATIVE CORRECTIONS
SIMULATION
SPATIAL DISTRIBUTION
T QUARKS
TOP PARTICLES
W MINUS BOSONS
W PLUS BOSONS