Events with large missing transverse energy at the CERN collider: III. Mass limits on supersymmetric particles
- C. Albajar
- M.G. Albrow
- O.C. Allkofer
- A. Astbury
- B. Aubert
- T. Axon
- C. Bacci
- T. Bacon
- N. Bains
- J.R. Batley
- G. Bauer
- S. Beingessner
- J. Bellinger
- A. Bettini
- A. Bezaguet
- R. Bonino
- K. Bos
- E. Buckley
- G. Busetto
- P. Catz
- P. Cennini
- S. Centro
- F. Ceradini
- D.G. Charlton
- G. Ciapetti
- S. Cittolin
- D. Clarke
- D. Cline
- C. Cochet
- J. Colas
- P. Colas
- M. Corden
- J.A. Coughlan
- G. Cox
- D. Dau
- M. Debeer
- J.P. Debrion
- M. Degiorgi
- M. Della Negra
- M. Demoulin
- B. Denby
- D. Denegri
- A. Diciaccio
- F.J. Diez Hedo
- L. Dobrzynski
- J. Dorenbosch
- J.D. Dowell
- E. Duchovni
- R. Edgecock
- K. Eggert
- E. Eisenhandler
- N. Ellis
- P. Erhard
- H. Faissner
- I.F. Fensome
- A. Ferrando
- M. Fincke-Keeler
- P. Flynn
- G. Fontaine
- R. Frey
- J. Garvey
- D. Gee
- S. Geer
- A. Geiser
- C. Ghesquiere
- P. Ghez
- C. Ghiglino
- Y. Giraud-Heraud
- A. Givernaud
- A. Gonidec
- H. Grassmann
- G. Grayer
- W. Haynes
- S.J. Haywood
- D.J. Holthuizen
- A. Honma
- M. Ikeda
- W. Jank
- M. Jimack
- G. Jorat
- P.I.P. Kalmus
- V. Karimaki
- R. Keeler
- I. Kenyon
- A. Kernan
- A. Khan
- W. Kienzle
- R. Kinnunen
- M. Krammer
- J. Kroll
- D. Kryn
- Francesco Lacava
- J.P. Laugier
- J.P. Lees
- R. Leuchs
- S. Levegrun
- M. Levi
- S. Li
- D. Linglin
- E. Locci
- K. Long
- T. Markiewicz
- C. Markou
- M. Markytan
- M.A. Marquina
- G. Maurin
- J.P. Mendiburu
- A. Meneguzzo
- J.P. Merlo
- T. Meyer
- M.N. Minard
- M. Mohammadi
- K. Morgan
- M. Moricca
- H.G. Moser
- B. Mours
- Th Muller
- A. Nandi
- L. Naumann
- P. Nedelec
- A. Nisati
- A. Norton
- F. Pauss
- C. Perault
- E. Petrolo
- G. Piano Mortari
- E. Pietarinen
- C. Pigot
- M. Pimia
- A. Placci
- J.P. Porte
- M. Preischl
- E. Radermacher
- T. Redelberger
- H. Reithler
- J.P. Revol
- J. Richman
- D. Robinson
- T. Rodrigo
- J. Rohlf
- P. Rossi
- C. Rubbia
- W. Ruhm
- G. Sajot
- G. Salvini
- J. Sass
- D. Samyn
- A. Savoy-Navarro
- D. Schinzel
- M. Schroder
- A. Schwartz
- W. Scott
- C. Seez
- T.P. Shah
- I. Sheer
- I. Siotis
- D. Smith
- R. Sobie
- P. Sphicas
- J. Strauss
- J. Streets
- C. Stubenrauch
- D. Summers
- K. Sumorok
- F. Szoncso
- C. Tao
- A. Taurok
- I. Ten Have
- S. Tether
- G. Thompson
- E. Tscheslog
- J. Tuominiemi
- B. Van Eijk
- J.P. Vialle
- L. Villasenor
- T.S. Virdee
- H. Von Der Schmitt
- W. Von Schlippe
- J. Vrana
- V. Vuillemin
- K. Wacker
- G. Walzel
- P. Watkins
- A. Wildish
- I. Wingerter
- S.J. Wimpenny
- X. Wu
- C.E. Wulz
- T. Wyatt
- M. Yvert
- C. Zaccardelli
- I. Zacharov
- N. Zaganidis
- L. Zanello
- P. Zotto
DOIAbstract
A sample of events with large missing transverse energy from 715 nb-1 of data from the UA1 experiment at the CERN proton-antiproton collider is used to search for evidence of supersymmetric particle production. Assuming that the photino is the lightest supersymmetric particle and that it is massless, we find a limit on the squark mass of mq>45 GeV/c2 at 90% CL, independently of the gluino mass. Similarly, we find a limit on the gluino mass of mg>53 GeV/c2 (at 90% CL) independently of the squark mass, provided that the gluino is not long-lived (i.e. provided that the squark is not too heavy, mq{less-than or approximate}1 TeV/c2). For equal squark and gluino masses we find a limit mq=mg>75 GeV/c2 at 90% CL. The effect of a non-zero p...
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