skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Calculation of Wbb production via double parton scattering at the LHC

Abstract

We investigate the potential to observe double parton scattering at the Large Hadron Collider in pp{yields}WbbX{yields}l{nu}bbX at 7 TeV. Our analysis tests the efficacy of several kinematic variables in isolating the double parton process of interest from the single parton process and relevant backgrounds for the first 10 fb{sup -1} of integrated luminosity. These variables are constructed to expose the independent nature of the two subprocesses in double parton scattering, pp{yields}l{nu}X and pp{yields}bbX. We use next-to-leading order perturbative predictions for the double parton and single parton scattering components of Wbb and for the pertinent backgrounds. The next-to-leading order contributions are important for a proper description of some of the observables we compute. We find that the double parton process can be identified and measured with significance S/{radical}(B){approx}10, provided the double parton scattering effective cross section {sigma}{sub eff}{approx}12 mb.

Authors:
;  [1];  [2];  [1];  [3]
  1. High Energy Physics Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
  2. Physics Department, University of Texas at Arlington, Arlington, Texas 76019 (United States)
  3. (United States)
Publication Date:
OSTI Identifier:
21607779
Resource Type:
Journal Article
Journal Name:
Physical Review. D, Particles Fields
Additional Journal Information:
Journal Volume: 84; Journal Issue: 7; Other Information: DOI: 10.1103/PhysRevD.84.074021; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2821
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BORON 10; CERN LHC; CROSS SECTIONS; LUMINOSITY; PARTICLE PRODUCTION; SCATTERING; TEV RANGE 01-10; ACCELERATORS; BORON ISOTOPES; CYCLIC ACCELERATORS; ENERGY RANGE; ISOTOPES; LIGHT NUCLEI; NUCLEI; ODD-ODD NUCLEI; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; STABLE ISOTOPES; STORAGE RINGS; SYNCHROTRONS; TEV RANGE

Citation Formats

Berger, Edmond L., Quackenbush, Seth, Jackson, C. B., Shaughnessy, Gabe, and Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208. Calculation of Wbb production via double parton scattering at the LHC. United States: N. p., 2011. Web. doi:10.1103/PHYSREVD.84.074021.
Berger, Edmond L., Quackenbush, Seth, Jackson, C. B., Shaughnessy, Gabe, & Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208. Calculation of Wbb production via double parton scattering at the LHC. United States. doi:10.1103/PHYSREVD.84.074021.
Berger, Edmond L., Quackenbush, Seth, Jackson, C. B., Shaughnessy, Gabe, and Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208. Sat . "Calculation of Wbb production via double parton scattering at the LHC". United States. doi:10.1103/PHYSREVD.84.074021.
@article{osti_21607779,
title = {Calculation of Wbb production via double parton scattering at the LHC},
author = {Berger, Edmond L. and Quackenbush, Seth and Jackson, C. B. and Shaughnessy, Gabe and Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208},
abstractNote = {We investigate the potential to observe double parton scattering at the Large Hadron Collider in pp{yields}WbbX{yields}l{nu}bbX at 7 TeV. Our analysis tests the efficacy of several kinematic variables in isolating the double parton process of interest from the single parton process and relevant backgrounds for the first 10 fb{sup -1} of integrated luminosity. These variables are constructed to expose the independent nature of the two subprocesses in double parton scattering, pp{yields}l{nu}X and pp{yields}bbX. We use next-to-leading order perturbative predictions for the double parton and single parton scattering components of Wbb and for the pertinent backgrounds. The next-to-leading order contributions are important for a proper description of some of the observables we compute. We find that the double parton process can be identified and measured with significance S/{radical}(B){approx}10, provided the double parton scattering effective cross section {sigma}{sub eff}{approx}12 mb.},
doi = {10.1103/PHYSREVD.84.074021},
journal = {Physical Review. D, Particles Fields},
issn = {0556-2821},
number = 7,
volume = 84,
place = {United States},
year = {2011},
month = {10}
}