Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/3062
Title: | Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at ?s = 7 and 8 TeV with the ATLAS and CMS experiments | Authors: | The ATLAS Collaboration Sultansoy, Saleh |
Keywords: | Quarks production quark production |
Publisher: | Springer Verlag | Source: | ATLAS Collaboration. (2019). Combinations of single-top-quark production cross-section measurements and| f LV V tb| determinations at ?s = 7 and 8 TeV with the ATLAS and CMS experiments. Journal of High Energy Physics, 2019, 1-81. | Abstract: | This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at s = 7 and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb−1 at s = 7 TeV and 12.2 to 20.3 fb−1 at s = 8 TeV. These combinations are performed per centre-of-mass energy and for each production mode: t-channel, tW, and s-channel. The combined t-channel cross-sections are 67.5 ± 5.7 pb and 87.7 ± 5.8 pb at s = 7 and 8 TeV respectively. The combined tW cross-sections are 16.3 ± 4.1 pb and 23.1 ± 3.6 pb at s = 7 and 8 TeV respectively. For the s-channel cross-section, the combination yields 4.9 ± 1.4 pb at s = 8 TeV. The square of the magnitude of the CKM matrix element Vtb multiplied by a form factor fLV is determined for each production mode and centre-of-mass energy, using the ratio of the measured cross-section to its theoretical prediction. It is assumed that the top-quark-related CKM matrix elements obey the relation |Vtd|, |Vts| ≪ |Vtb|. All the |fLVVtb|2 determinations, extracted from individual ratios at s = 7 and 8 TeV, are combined, resulting in |fLVVtb| = 1.02 ± 0.04 (meas.) ± 0.02 (theo.). All combined measurements are consistent with their corresponding Standard Model predictions.[Figure not available: see fulltext.]. © 2019, The Author(s). | URI: | https://link.springer.com/article/10.1007%2FJHEP05%282019%29088 https://hdl.handle.net/20.500.11851/3062 |
ISSN: | 11266708 |
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 |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
sultansoy_Combinations.pdf | 1.15 MB | Adobe PDF | View/Open |
CORE Recommender
SCOPUSTM
Citations
15
checked on Apr 20, 2024
WEB OF SCIENCETM
Citations
5
checked on Sep 24, 2022
Page view(s)
46
checked on Apr 22, 2024
Download(s)
8
checked on Apr 22, 2024
Google ScholarTM
Check
Altmetric
Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.