High Multiplicity Searches at the LHC Using Jet Masses

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This article introduces a new class of searches for physics beyond the Standard Model that improves the sensitivity to signals with high jet multiplicity. The proposed searches gain access to high multiplicity signals by reclustering events into large-radius, or 'fat', jets and by requiring that each event has multiple massive jets. This technique is applied to supersymmetric scenarios in which gluinos are pair-produced and then subsequently decay to final states with either moderate quantities of missing energy or final states without missing energy. In each of these scenarios, the use of jet mass improves the estimated reach in gluino mass ... continued below

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9 pages

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Hook, Anson; /SLAC /Stanford U., Appl. Phys. Dept.; Izaguirre, Eder; /SLAC /Stanford U., Phys. Dept.; Lisanti, Mariangela; U., /Princeton et al. April 24, 2012.

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Description

This article introduces a new class of searches for physics beyond the Standard Model that improves the sensitivity to signals with high jet multiplicity. The proposed searches gain access to high multiplicity signals by reclustering events into large-radius, or 'fat', jets and by requiring that each event has multiple massive jets. This technique is applied to supersymmetric scenarios in which gluinos are pair-produced and then subsequently decay to final states with either moderate quantities of missing energy or final states without missing energy. In each of these scenarios, the use of jet mass improves the estimated reach in gluino mass by 20% to 50% over current LHC searches.

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9 pages

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  • Journal Name: Physical Review. D, Condensed Matter and Materials Physics; Journal Volume: 85; Journal Issue: 5

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  • Report No.: SLAC-PUB-14965
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevD.85.055029 | External Link
  • Office of Scientific & Technical Information Report Number: 1039186
  • Archival Resource Key: ark:/67531/metadc836340

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Office of Scientific & Technical Information Technical Reports

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  • April 24, 2012

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Nov. 29, 2016, 12:35 p.m.

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Hook, Anson; /SLAC /Stanford U., Appl. Phys. Dept.; Izaguirre, Eder; /SLAC /Stanford U., Phys. Dept.; Lisanti, Mariangela; U., /Princeton et al. High Multiplicity Searches at the LHC Using Jet Masses, article, April 24, 2012; United States. (digital.library.unt.edu/ark:/67531/metadc836340/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.