Beauty photoproduction using decays into electrons at HERA

Journal Article · Wed Oct 01 00:00:00 EDT 2008 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.78.072001· OSTI ID:21254247

Chekanov, S; Derrick, M; Magill, S; Musgrave, B; Nicholass, D; Repond, J; Yoshida, R ^[1]; Mattingly, M C. K. ^[2]; Antonioli, P; Bari, G; Bellagamba, L; Boscherini, D; Bruni, A; Bruni, G; Cindolo, F; Corradi, M; Iacobucci, G; Margotti, A; Nania, R; Polini, A ^[3]

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1. Argonne National Laboratory, Argonne, Illinois 60439-4815 (United States)
2. Andrews University, Berrien Springs, Michigan 49104-0380 (United States)
3. INFN Bologna, Bologna (Italy)

Photoproduction of beauty quarks in events with two jets and an electron associated with one of the jets has been studied with the ZEUS detector at HERA using an integrated luminosity of 120 pb{sup -1}. The fractions of events containing b quarks, and also of events containing c quarks, were extracted from a likelihood fit using variables sensitive to electron identification as well as to semileptonic decays. Total and differential cross sections for beauty and charm production were measured and compared with next-to-leading-order QCD calculations and Monte Carlo models.

• OSTI ID: 21254247
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 7 Vol. 78; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
B QUARKS
C QUARKS
COMPARATIVE EVALUATIONS
DIFFERENTIAL CROSS SECTIONS
ELECTRONS
HERA STORAGE RING
LUMINOSITY
MONTE CARLO METHOD
MULTIPARTICLE SPECTROMETERS
PARTICLE IDENTIFICATION
PHOTOPRODUCTION
QUANTUM CHROMODYNAMICS
SEMILEPTONIC DECAY