Search for a new bottomonium state decaying to Υ(1S)π+π- in pp collisions at √s=8 TeV
Yazarlar (1)
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Physics Letters Section B Nuclear Elementary Particle and High Energy Physics (Q1)
Dergi ISSN 0370-2693 Dergi Bilgileri (2013)
Makale Dili İngilizce Basım Tarihi 11-2013
Kabul Tarihi Yayınlanma Tarihi 01-11-2013
Cilt / Sayı / Sayfa 727 / 1 / 57–76 DOI 10.1016/j.physletb.2013.10.016
Makale Linki https://arxiv.org/pdf/1309.0250
UAK Araştırma Alanları
Fen Bilimleri ve Matematik
Özet
The results of a search for the bottomonium counterpart, denoted as X b, of the exotic charmonium state X (3872) is presented. The analysis is based on a sample of pp collisions at s= 8 TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 20.7 fb− 1. The search looks for the exclusive decay channel X b→ ϒ (1 S) π+ π− followed by ϒ (1 S)→ μ+ μ−. No evidence for an X b signal is observed. Upper limits are set at the 95% confidence level on the ratio of the inclusive production cross sections times the branching fractions to ϒ (1 S) π+ π− of the X b and the ϒ (2 S). The upper limits on the ratio are in the range 0.9–5.4% for X b masses between 10 and 11 GeV. These are the first upper limits on the production of a possible X b at a hadron collider.
Anahtar Kelimeler
CMS | Exotic quarkonia | Physics
Science Direct
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Web of Science 49
Scopus 46
Google Scholar 106
Search for a new bottomonium state decaying to Υ(1S)π+π- in pp collisions at √s=8 TeV

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