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Direct search for pair production of heavy stable charged particles in Z decays

  • E. Soderstrom
  • , J. A. McKenna
  • , G. S. Abrams
  • , C. E. Adolphsen
  • , D. Averill
  • , J. Ballam
  • , B. C. Barish
  • , T. Barklow
  • , B. A. Barnett
  • , J. Bartelt
  • , S. Bethke
  • , D. Blockus
  • , G. Bonvicini
  • , A. Boyarski
  • , B. Brabson
  • , A. Breakstone
  • , F. Bulos
  • , P. R. Burchat
  • , D. L. Burke
  • , R. J. Cence
  • J. Chapman, M. Chmeissani, D. Cords, D. P. Coupal, P. Dauncey, H. C. Destaebler, D. E. Dorfan, J. M. Dorfan, D. C. Drewer, R. Elia, G. J. Feldman, D. Fernandes, R. C. Field, W. T. Ford, C. Fordham, R. Frey, D. Fujino, K. K. Gan, E. Gero, G. Gidal, T. Glanzman, G. Goldhaber, J. J. Gomez Cadenas, G. Gratta, G. Grindhammer, P. Grosse-Wiesmann, G. Hanson, R. Harr, B. Harral, F. A. Harris, C. M. Hawkes, K. Hayes, C. Hearty, C. A. Heusch, M. D. Hildreth, T. Himel, D. A. Hinshaw, S. J. Hong, D. Hutchinson, J. Hylen, W. R. Innes, R. G. Jacobsen, J. A. Jaros, C. K. Jung, J. A. Kadyk, J. Kent, M. King, D. S. Koetke, S. Komamiya, W. Koska, L. A. Kowalski, W. Kozanecki, J. F. Kral, M. Kuhlen, L. Labarga, A. J. Lankford, R. R. Larsen, F. Le Diberder, M. E. Levi, A. M. Litke, X. C. Lou, V. L̈th, J. A.J. Matthews, T. Mattison, B. D. Milliken, K. C. Moffeit, C. T. Munger, W. N. Murray, J. Nash, H. Ogren, K. F. O Shaughnessy, S. I. Parker, C. Peck, M. L. Perl, M. Petradza
  • University of California at Berkeley
  • University of California at Santa Cruz
  • Indiana University Bloomington
  • SLAC National Accelerator Laboratory
  • California Institute of Technology
  • Johns Hopkins University
  • University of Michigan, Ann Arbor
  • University of Hawai'i at Mānoa
  • University of Colorado Boulder

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A search for pair production of stable charged particles from Z decay has been performed with the Mark II detector at the SLAC Linear Collider. Particle masses are determined from momentum, ionization energy loss, and time-of-flight measurements. A limit excluding pair production of stable fourth-generation charged leptons and stable mirror fermions with masses between the muon mass and 36.3 GeV/c2 is set at the 95% confidence level. Pair production of stable supersymmetric scalar leptons with masses between the muon mass and 32.6 GeV/c2 is also excluded.

Original languageEnglish
Pages (from-to)2980-2983
Number of pages4
JournalPhysical Review Letters
Volume64
Issue number25
DOIs
StatePublished - 1990

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