Search for R -Parity Violating Supersymmetry Using Like-Sign Dielectrons in p{ovr p} Collisions at {radical} (s) =1.8 TeV
Journal Article
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· Physical Review Letters
OSTI ID:698881
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- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
- Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
- Brandeis University, Waltham, Massachusetts 02254 (United States)
- University of California at Los Angeles, Los Angeles, California 90024 (United States)
- University of Chicago, Chicago, Illinois 60637 (United States)
- Duke University, Durham, North Carolina 27708 (United States)
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
- University of Florida, Gainesville, Florida 32611 (United States)
- Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati (Italy)
- University of Geneva, CH-1211 Geneva 4 (Switzerland)
We present a search for like-sign dielectron plus multijet events using 107 pb{sup {minus}1} of data in p{ovr p} collisions at {radical} (s) =1.8 TeV collected in 1992{endash}1995 by the CDF experiment. Finding no events that pass our selection, we set {sigma}{times}BR limits on two supersymmetric processes that can produce this experimental signature: gluino-gluino or squark-antisquark production with R -parity violating decays of the charm squark or lightest neutralino via a nonzero {lambda}{sup {prime}}{sub 121} coupling. We compare our results to the next-to-leading order calculations for gluino and squark production cross sections and set lower limits on M({tilde g}) , M({tilde t}{sub 1}) , and M({tilde q}) . {copyright} {ital 1999} {ital The American Physical Society}
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- OSTI ID:
- 698881
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 11 Vol. 83; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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