Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector
A search for single top-quark production via flavour-changing neutral current processes from gluon plus up- or charm-quark initial states in proton-proton collisions at the LHC is presented. Data collected with the ATLAS detector in 2012 at a centre-of-mass energy of 8 TeV and corresponding to an in...
| Published in: | The European physical journal C Vol. 76, № 2. P. 55 (1-30) |
|---|---|
| Other Authors: | , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000581603 Перейти в каталог НБ ТГУ |
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| 003 | RU-ToGU | ||
| 005 | 20230319211429.0 | ||
| 007 | cr | | ||
| 008 | 170907|2016 gw s a eng d | ||
| 024 | 7 | |a 10.1140/epjc/s10052-016-3876-4 |2 doi | |
| 035 | |a to000581603 | ||
| 039 | 9 | |a 201709111727 |c 201709071613 |d VLOAD |y 201709071539 |z Александр Эльверович Гилязов | |
| 040 | |a RU-ToGU |b rus |c RU-ToGU | ||
| 245 | 1 | 0 | |a Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector |c G. Aad, B. Abbott, J. Abdallah [et al.] |
| 504 | |a Библиогр.: 91 назв. | ||
| 520 | 3 | |a A search for single top-quark production via flavour-changing neutral current processes from gluon plus up- or charm-quark initial states in proton-proton collisions at the LHC is presented. Data collected with the ATLAS detector in 2012 at a centre-of-mass energy of 8 TeV and corresponding to an integrated luminosity of 20.3 fb−1 are used. Candidate events for a top quark decaying into a lepton, a neutrino and a jet are selected and classified into signal- and background-like candidates using a neural network. No signal is observed and an upper limit on the production cross-section multiplied by the t→Wb branching fraction is set. The observed 95 % CL limit is σqg→t×B(t→Wb)<3.4pb and the expected 95 % CL limit is σqg→t×B(t→Wb)<2.9pb. The observed limit can be interpreted as upper limits on the coupling constants of the flavour-changing neutral current interactions divided by the scale of new physics κugt/Λ<5.8×10−3TeV−1 and κcgt/Λ<13×10−3TeV and on the branching fractions B(t→ug)<4.0×10−5 and B(t→cg)<20×10−5. | |
| 653 | |a ATLAS, детектор | ||
| 653 | |a Большой адронный коллайдер | ||
| 653 | |a кварки | ||
| 655 | 4 | |a статьи в журналах |9 879358 | |
| 700 | 1 | |a Abbott, B. |9 116041 | |
| 700 | 1 | |a Abdallah, J. |9 116040 | |
| 700 | 1 | |a Chelkov, G. A. |9 96983 | |
| 700 | 1 | |a Aad, G. |9 116039 | |
| 773 | 0 | |t The European physical journal C |d 2016 |g Vol. 76, № 2. P. 55 (1-30) |x 1434-6044 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 7 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000581603 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=426133 | ||
| 908 | |a статья | ||
| 999 | |c 426133 |d 426133 | ||