Search for anomalous t t over bar production in the highly boostedall hadronic final state
Yazarlar (1)
Doç. Dr. Mustafa Numan BAKIRCI Tokat Gaziosmanpaşa Üniversitesi, Türkiye
| Makale Türü |
Özgün Makale
(SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
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| Dergi Adı | Journal of High Energy Physics (Q1) | ||
| Dergi ISSN | 1126-6708 Dergi Bilgileri (2012) | ||
| Dergi Tarandığı Indeksler | SCI | ||
| Makale Dili | İngilizce | Basım Tarihi | 09-2012 |
| Kabul Tarihi | 01-08-2012 | Yayınlanma Tarihi | 01-09-2012 |
| Cilt / Sayı / Sayfa | 2012 / 9 / – | DOI | 10.1007/JHEP09(2012)029 |
| Makale Linki | https://doi.org/10.1007/jhep09(2012)029 | ||
| UAK Araştırma Alanları |
Yüksek Enerji ve Parçacık Fiziği
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| Özet |
| A search is presented for a massive particle, generically referred to as a Z′, decaying into a pair. The search focuses on Z′ resonances that are sufficiently massive to produce highly Lorentz-boosted top quarks, which yield collimated decay products that are partially or fully merged into single jets. The analysis uses new methods to analyze jet substructure, providing suppression of the non-top multijet backgrounds. The analysis is based on a data sample of proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 5 fb− 1. Upper limits in the range of 1 pb are set on the product of the production cross section and branching fraction for a topcolor Z′ modeled for several widths, as well as for a Randall-Sundrum Kaluza-Klein gluon. In addition, the result contrain any enhancement in production beyond expectations of the standard mode for tt invariant mass larger … |
| Anahtar Kelimeler |
| Hadron-hadron scattering |
