Measurement of the cross section for electroweak production of a Z boson, a photon and two jets in proton-proton collisions at √s = 13 TeV and constraints on anomalous quartic couplings; Journal of High Energy Physics; Vol. 2020, iss. 6
| Parent link: | Journal of High Energy Physics Vol. 2020, iss. 6.— 2020.— [76, 41 p.] |
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| Enti autori: | , |
| Altri autori: | , , , , , , , |
| Riassunto: | Title screen A measurement is presented of the cross section for electroweak production of a Z boson and a photon in association with two jets (Z?jj) in proton-proton collisions. The Z boson candidates are selected through their decay into a pair of electrons or muons. The process of interest, electroweak Z?jj production, is isolated by selecting events with a large dijet mass and a large pseudorapidity gap between the two jets. The measurement is based on data collected at the CMS experiment at sv = 13 TeV, corresponding to an integrated luminosity of 35.9 fb-1. The observed significance of the signal is 3.9 standard deviations, where a significance of 5.2 standard deviations is expected in the standard model. These results are combined with published results by CMS at sv = 8 TeV, which leads to observed and expected respective significances of 4.7 and 5.5 standard deviations. From the 13 TeV data, a value is obtained for the signal strength of electroweak Z?jj production and bounds are given on quartic vector boson interactions in the framework of dimension-eight effective field theory operators. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2020
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1007/JHEP06(2020)076 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662245 |
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| 200 | 1 | |a Measurement of the cross section for electroweak production of a Z boson, a photon and two jets in proton-proton collisions at √s = 13 TeV and constraints on anomalous quartic couplings |f A. M. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 50 tit.] | ||
| 330 | |a A measurement is presented of the cross section for electroweak production of a Z boson and a photon in association with two jets (Z?jj) in proton-proton collisions. The Z boson candidates are selected through their decay into a pair of electrons or muons. The process of interest, electroweak Z?jj production, is isolated by selecting events with a large dijet mass and a large pseudorapidity gap between the two jets. The measurement is based on data collected at the CMS experiment at sv = 13 TeV, corresponding to an integrated luminosity of 35.9 fb-1. The observed significance of the signal is 3.9 standard deviations, where a significance of 5.2 standard deviations is expected in the standard model. These results are combined with published results by CMS at sv = 8 TeV, which leads to observed and expected respective significances of 4.7 and 5.5 standard deviations. From the 13 TeV data, a value is obtained for the signal strength of electroweak Z?jj production and bounds are given on quartic vector boson interactions in the framework of dimension-eight effective field theory operators. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of High Energy Physics | ||
| 463 | |t Vol. 2020, iss. 6 |v [76, 41 p.] |d 2020 | ||
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| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a electroweak interaction | |
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| 610 | 1 | |a электрослабые взаимодействия | |
| 610 | 1 | |a адрон-адронное рассеяние | |
| 701 | 1 | |a Sirunyan |b A. M. | |
| 701 | 1 | |a Tumasyan |b A. R. | |
| 701 | 1 | |a Adam |b W. |g Wolfgang | |
| 701 | 1 | |a Ambrogi |b F. |g Federico | |
| 701 | 1 | |a Bergauer |b T. |g Thomas | |
| 701 | 1 | |a Babaev |b A. A. |c physicist |c engineer-issledovatelskogo Polytechnic University, candidate of physical and mathematical Sciences |f 1981- |g Anton Anatoljevich |3 (RuTPU)RU\TPU\pers\35154 |9 18420 | |
| 701 | 1 | |a Yuzhakov |b A. D. |g Aleksandr Dmitrievich | |
| 701 | 1 | |a Okhotnikov |b V. V. |c physicist |c engineer of Tomsk Polytechnic University |f 1992- |g Vitaly Vladimirovich |3 (RuTPU)RU\TPU\pers\36453 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
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