Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7438
Title: Search for the X-b and other hidden-beauty states in the pi(+)pi(-)gamma(1S) channel at ATLAS
Authors: Aad, G.
Abbott, B.
Abdallah, J.
Khalek, S. Abdel
Abdinov, O.
Aben, R.
The ATLAS Collaboration
Sultansoy, Saleh
Keywords: [No Keywords]
Issue Date: 2015
Publisher: Elsevier
Abstract: This Letter presents a search for a hidden-beauty counterpart of the X(3872) in the mass ranges of 10.05-10.31 GeV and 10.40-11.00 GeV, in the channel X-b -> pi(+)pi(-)gamma(1S)(-> mu(+)mu(-)), using 16.2 fb(-1) of root s = 8 TeV pp collision data collected by the ATLAS detector at the LHC. No evidence for new narrow states is found, and upper limits are set on the product of the Xb cross section and branching fraction, relative to those of the gamma(25), at the 95% confidence level using the CLs approach. These limits range from 0.8% to 4.0%, depending on mass. For masses above 10.1 GeV, the expected upper limits from this analysis are the most restrictive to date. Searches for production of the gamma(1(3)D(J)), gamma(10860), and gamma(11 020) states also reveal no significant signals. (C) 2014 The Authors. Published by Elsevier B.V.
URI: https://doi.org/10.1016/j.physletb.2014.11.055
https://hdl.handle.net/20.500.11851/7438
ISSN: 0370-2693
1873-2445
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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