Search for Superpartner of Electron and Muon in the e[+]e[-] Reactions up to the √s of 61.4GeV
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| File | |
| Title ( eng ) |
Search for Superpartner of Electron and Muon in the e[+]e[-] Reactions up to the √s of 61.4GeV
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| Title ( jpn ) |
重心系エネルギー61.4Gev以下での電子陽電子反応における電子およびミュー粒子の超対称性粒子探索
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| Creator |
Taketani Atsushi
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| Abstract |
An experimental search for scalar electron and scalar muon, the super-symmetric partner of electron and muon, has been performed at TRISTAN e+e- collider at the National Laboratory of High Energy Physics, using the VENUS detector. The study has been made at center-of-mass energies from 55 to 61.4GeV with an integrated luminosity of 29.2pb-1. No events which are due to scalar electron or scalar muon are observed and lower mass limits are obtained as functions of photino mass.
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| Descriptions |
Contents / p1
1 Introduction / p3 1.1 Standard model / p3 1.2 Supersymmetry / p7 1.3 Two-photon process / p11 2 Experimental Procedure / p13 2.1 TRISTAN Accelerator / p13 2.2 VENUS detector / p15 3 Trigger system / p24 3.1 First-level trigger / p25 3.2 Second-level trigger / p41 4 Data Analysis / p44 4.1 Pre-selection / p44 4.2 Electron-pair event selection / p48 4.3 Muon-pair event selection / p49 4.4 Selection for heavy stable particles / p50 4.5 Luminosity measurement / p51 5 Results and Discussion / p53 5.1 Background for two-photon process / p53 5.2 Lepton production from two-photon collision / p58 5.3 Search for superpartner / p63 6 Conclusion / p77 A Look-up table / p82 B Two-track limited trigger modules / p84 C Beam test of hadron response in the LG calorimeter / p86 |
| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | doctoral thesis |
| Rights |
Copyright(c) by Author
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| Publish Type | Not Applicable (or Unknown) |
| Access Rights | open access |
| Dissertation Number | 甲第827号 |
| Degree Name | |
| Date of Granted | 1990-03-26 |
| Degree Grantors |
広島大学
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