Measurement of the ratio of inclusive cross sections {sigma}(pp{yields}Z+b-quark jet)/{sigma}(pp{yields}Z+jet) at {radical}(s)=1.96 TeV
Journal Article
·
· Physical Review. D, Particles Fields
- Joint Institute for Nuclear Research, Dubna (Russian Federation)
- University of Oklahoma, Norman, Oklahoma 73019 (United States)
- Tata Institute of Fundamental Research, Mumbai (India)
- University of Illinois at Chicago, Chicago, Illinois 60607 (United States)
The ratio of the cross section for pp interactions producing a Z boson and at least one b-quark jet to the inclusive Z+jet cross section is measured using 4.2 fb{sup -1} of pp collisions collected with the D0 detector at the Fermilab Tevatron collider at {radical}(s)=1.96 TeV. The Z{yields}l{sup +}l{sup -} candidate events with at least one b jet are discriminated from Z+charm and light jet(s) events by a novel technique that exploits the properties of the tracks associated to the jet. The measured ratio is 0.0193{+-}0.0027 for events having a jet with transverse momentum p{sub T}>20 GeV and pseudorapidity |{eta}|{<=}2.5, which is the most precise to date and is consistent with theoretical predictions.
- OSTI ID:
- 21504839
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 3 Vol. 83; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
B QUARKS
BARYON-BARYON INTERACTIONS
BEAUTY PARTICLES
BOSONS
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMILAB TEVATRON
FERMIONS
FORECASTING
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LINEAR MOMENTUM
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PARTICLE TRACKS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
QUARKS
SYNCHROTRONS
TEV RANGE
TEV RANGE 01-10
TRANSVERSE MOMENTUM
Z NEUTRAL BOSONS
ACCELERATORS
B QUARKS
BARYON-BARYON INTERACTIONS
BEAUTY PARTICLES
BOSONS
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMILAB TEVATRON
FERMIONS
FORECASTING
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LINEAR MOMENTUM
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PARTICLE TRACKS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
QUARKS
SYNCHROTRONS
TEV RANGE
TEV RANGE 01-10
TRANSVERSE MOMENTUM
Z NEUTRAL BOSONS