D0 search for new phenomena

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Presented here are the results from three searches for non-standard model particles using approximately 13 pb{sup {minus}1} of data taken with the D0 detector at Fermilab`s Tevatron, a p{bar p} collider operating at center-of-mass energy {radical}s=1.8 TeV. A heavy right-handed W, predicted by left-right symmetric theories, is excluded at 95% confidence level with mass between 200 GeV/c{sup 2} and 540 GeV/c{sup 2}, for a right-handed neutrino mass less than 100 GeV/c{sup 2}, regardless of the decay-properties of the neutrino, and assuming the W{sub R}`s couplings and C-K-M matrix are the same as the standard model W. Stricter limits are given ... continued below

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8 p.

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Eno, S. May 1, 1995.

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  • Eno, S. Univ. of Maryland, College Park, MD (United States). Dept. of Physics

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Presented here are the results from three searches for non-standard model particles using approximately 13 pb{sup {minus}1} of data taken with the D0 detector at Fermilab`s Tevatron, a p{bar p} collider operating at center-of-mass energy {radical}s=1.8 TeV. A heavy right-handed W, predicted by left-right symmetric theories, is excluded at 95% confidence level with mass between 200 GeV/c{sup 2} and 540 GeV/c{sup 2}, for a right-handed neutrino mass less than 100 GeV/c{sup 2}, regardless of the decay-properties of the neutrino, and assuming the W{sub R}`s couplings and C-K-M matrix are the same as the standard model W. Stricter limits are given on the right-handed neutrino mass for W{sub R} masses near the upper limit, and for specific assumptions on the right-handed neutrino decay modes. A 95% confidence-level limit on the cross-section p{bar p} {yields} W{sub 1}Z{sub 2} {yields} 3 leptons, where {sub 1}, is the lightest supersymmetric partner of the charged vector bosom and charged higgs and Z{sub 2} is the second lightest supersymmetric partner of the Z, {gamma}, and neutral higgs, ranging from 3 pb for M{sub w1}, =45 GeV/c{sup 2} to 1 pb for M{sub W1}=100 GeV/c{sup 2} is presented, assuming mass relations between the supersymmetric particles predicted by a popular supergravity inspired model. Third, a 95% confidence-level limit on the mass of the supersymmetric partner of the gluon of 144 GeV/c{sup 2}, if the supersymmetric partner of the quarks are very heavy, or 212 GeV/c{sup 2}, if they have equal masses, is presented within the framework of the same popular model.

Physical Description

8 p.

Notes

INIS; OSTI as DE95013246

Source

  • Rencontres de Moriond on QCD and high energy interactions, Les Arcs (France), 11-26 Mar 1995; Other Information: DN: D0 Collaboration

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  • Other: DE95013246
  • Report No.: FNAL/C--95/095-E
  • Report No.: CONF-9503158--4
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 78715
  • Archival Resource Key: ark:/67531/metadc722430

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1, 1995

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • April 1, 2016, 3:51 p.m.

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Eno, S. D0 search for new phenomena, article, May 1, 1995; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc722430/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.