Search for flavor-changing neutral currents in top quark decays t→Hc and t→Hu in multilepton final states in proton-proton collisions at √s=13 TeV with the ATLAS detector
Flavor-changing neutral currents are not present in the Standard Model at tree level and are suppressed in loop processes by the unitarity of the Cabibbo-Kobayashi-Maskawa matrix; the corresponding rates for top quark decay processes are experimentally unobservable. Extensions of the Standard Model...
| Published in: | Physical Review D Vol. 98, № 3. P. 032002-1-032002-25 |
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| Other Authors: | , , , , , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000651143 Перейти в каталог НБ ТГУ |
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| 007 | cr | | ||
| 008 | 190325|2018 xxu s a eng d | ||
| 024 | 7 | |a 10.1103/PhysRevD.98.032002 |2 doi | |
| 035 | |a to000651143 | ||
| 039 | 9 | |a 201903261400 |b 100 |c 201903251714 |d VLOAD |y 201903251635 |z Александр Эльверович Гилязов | |
| 040 | |a RU-ToGU |b rus |c RU-ToGU | ||
| 245 | 1 | 0 | |a Search for flavor-changing neutral currents in top quark decays t→Hc and t→Hu in multilepton final states in proton-proton collisions at √s=13 TeV with the ATLAS detector |c M. Aaboud, G. Aad, B. Abbott [et al.] |
| 504 | |a Библиогр.: 61 назв. | ||
| 520 | 3 | |a Flavor-changing neutral currents are not present in the Standard Model at tree level and are suppressed in loop processes by the unitarity of the Cabibbo-Kobayashi-Maskawa matrix; the corresponding rates for top quark decay processes are experimentally unobservable. Extensions of the Standard Model can generate new flavor-changing neutral current processes, leading to signals which, if observed, would be unambiguous evidence of new interactions. A data set corresponding to an integrated luminosity of 36.1 fb-1 of pp collisions at a center-of-mass energy of s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider is used to search for top quarks decaying to up or charm quarks with the emission of a Higgs boson, with subsequent Higgs boson decay to final states with at least one electron or muon. No signal is observed and limits on the branching fractions B(t→Hc)<0.16% and B(t→Hu)<0.19% at 95% confidence level are obtained (with expected limits of 0.15% in both cases). | |
| 653 | |a ATLAS, детектор | ||
| 653 | |a Большой адронный коллайдер | ||
| 653 | |a протон-протонные столкновения | ||
| 655 | 4 | |a статьи в журналах |9 879358 | |
| 700 | 1 | |a Aad, G. |9 116039 | |
| 700 | 1 | |a Abbott, B. |9 116041 | |
| 700 | 1 | |a Chelkov, G. A. |9 96983 | |
| 700 | 1 | |a Khodinov, A. |9 159187 | |
| 700 | 1 | |a Parida, B. |9 395729 | |
| 700 | 1 | |a Tsybychev, D. |9 395730 | |
| 700 | 1 | |a Vaniachine, A. |9 159188 | |
| 700 | 1 | |a Aaboud, M. |9 159186 | |
| 773 | 0 | |t Physical Review D |d 2018 |g Vol. 98, № 3. P. 032002-1-032002-25 |x 1550-7998 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000651143 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=332018 | ||
| 908 | |a статья | ||
| 999 | |c 332018 |d 332018 | ||