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| Total Pages | : 4 |
| Release | : 1990 |
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We investigate the potential for discovery of super-symmetry during the next Tevatron Collider run in the light of new results fro LEP and CDF.
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| Total Pages | : 4 |
| Release | : 1990 |
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| Total Pages | : 17 |
| Release | : 1990 |
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We review the most recent data from ee− and p{bar p} colliders and discuss the resulting constraints on the parameters of the Minimal Supersymmetric Standard Model, and their implications for future supersymmetry searches. We review the patterns of cascade decays of squarks and gluinos and discuss the present status of supersymmetry event generators for hadron colliders. We present the results of detailed simulations of E{sub T} and same sign dilepton events from supersymmetry at the Tevatron. Although the E{sub T} signal continues to be viable, it is concluded that the same sign dilepton signal may be too small unless squarks and gluinos are approximately degenerate. The E{sub T} and the same-sign dilepton signals from supersymmetry and the Standard Model backgrounds at the SSC are also discussed in detail. We also discuss other promising ways of searching for supersymmetry at the SSC including events containing Z° bosons, and events containing n isolated leptons (n e"3). Finally, we discuss how supersymmetry searches might be modified if the Higgs sectors is more complicated or if R-parity is not conserved due to baryon number violating interactions. 49 refs., 12 figs.
| Author | : Giulia Manca |
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| Total Pages | : 4 |
| Release | : 2005 |
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The Run II physics programme of the Tevatron is proceeding with more than 300 pb{sup -1} of analysis quality data, collected at a center-of-mass energy of 1.96 TeV. Searches for supersymmetric particles are starting to set new limits, improving over the LEP and Run I results and exploring new regions of parameter space. They present recent results in Supersymmetry with the upgraded CDF and D0 detectors and give some prospects for the future of these searches.
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| Total Pages | : 139 |
| Release | : 2003 |
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We summarize a discovery potential for supersymmetric particles at the p{bar p} collider of Tevatron with center-of-mass energy √s = 2 TeV and integrated luminosity ∫ L dt = 15-30 fb−1. Any direct search is kinematically limited to below 450 GeV/c2. We, however, have a unique opportunity to test various supersymmetric scenarios by a measurement of the branching ratio for the rare decay mode B{sub s} →??−. Using the background estimate in the CDF analysis of B{sub s} →?+?− in Run I, we investigate the prospects for studying this mode in Run II. CDF would be sensitive to this decay for a branching ratio> 1.2 x 10−8 with 15 fb−1 (or, if a similar analysis holds for D0,> 6.5 x 10−9 for the combined data). For tan?> 30, the B{sub s} →?+?− search can probe the SUSY parameter space that cannot be probed by direct production of SUSY particles at Run II. An observation of B{sub s} →?+?− with a large branching ratio> 7(14) x 10−8 (feasible with only 2 fb−1) would be sufficient to exclude the mSUGRA model for tan? ≤ 50(55) including other experimental constraints. For some models, the branching ratio can be large enough to be detected even for small tan? and large m12.
| Author | : Howard Baer |
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| Total Pages | : 17 |
| Release | : 1990 |
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| Total Pages | : 484 |
| Release | : 1994-02 |
| Genre | : Power resources |
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| Author | : Berger Edmond L |
| Publisher | : World Scientific |
| Total Pages | : 828 |
| Release | : 1992-09-16 |
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| ISBN | : 9814555010 |
With the advent of the Superconducting Super Collider and other new technologies, coupled with the development of particle astrophysics and other non-accelerator based physics, research in high energy particle physics in the nineties promises to break into new and exciting frontiers. To chart the directions and opportunities for this new decade, the 1990 Summer Study on High Energy Physics was organized in Snowmass, Colorado. Like previous Snowmass Summer Studies, it plays a key role in shaping research directions and in drawing the particle physics community together.This book of the proceedings examines the full spectrum of important scientific issues and opportunities in high energy particle physics in the decade of the 1990's, including research at existing and anitcipated hadron-hadron, e+e-, and ep colliders; research at fixed-target facilities; the scientific potential of possible new facilities such as B factories; particle astrophysics and non-accelerator based physics; and accelerator and detector initiatives. It also discusses the physics and technical aspects of the initial Superconducting Super Collider experimental program.This volume, therefore, offers a captivating glimpse into the future of high energy physics, and makes essential reading for all physicists interested in assessing the exciting new research opportunities the future technologies would bring.
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| Release | : 2001 |
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We review current experimental results of searches for Supersymmetry (SUSY) at the Fermilab Tevatron Collider using the Run I data collected during 1992-1996. New results from the CDF detector in the jets + missing E{sub t} and lepton-photon channels are presented. Recent results from model independent searches at D0 using the SLEUTH algorithm are reviewed. We discuss the prospects for supersymmetry searches at Run II of the Tevatron, scheduled to start in March, 2001.
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| Release | : 2003 |
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For Run II, both CDF and D0 underwent significant improvement of the detectors to enhance their sensitivity to new physics. The detectors are commissioned and are taking data. The Tevatron is operating at a record center of mass energy of 1.96 TeV. Despite earlier difficulties, the luminosity situation is improving and both detectors have accumulated amounts of data comparable or higher than those available in Run I. This is a report on the status and prospects of SUSY searches at CDF and D0 in Run II. Recent SUSY analyses from run I are also reported.
