Search for an excited quark decaying to a top quark plus gluon
| Autor: | Ta-Wei Wang, 王大維 |
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| Rok vydání: | 2013 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 101 We perform a search for a pair-produced–excited top quark, t∗, that decays exclusively to a top quark and a gluon using data collected by the CMS detector from pp collisions at √s = 8 TeV. The search is performed using events consistent with the semi-leptonic decay of the t∗t∗ system, that is events having a single isolated muon or electron, missing energy, and at least six well-reconstructed jets, one of which must be identified as originating from the fragmentation of a b quark. The data ana- lyzed corresponds to an integrated luminosity of 19.6 fb−1. No significant excess over expectations is observed and we set a lower limit on the t∗-quark mass of 794 GeV/c2 at 95% confidence level. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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