Please use this identifier to cite or link to this item:
https://elib.bsu.by/handle/123456789/258766
Title: | Search for new phenomena in dijet events using 37 fb-1 of pp collision data collected at √s=13 TeV with the ATLAS detector |
Authors: | Hrynevich, A. ATLAS Collaboration |
Keywords: | ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика |
Issue Date: | 2017 |
Publisher: | American Physical Society |
Citation: | Phy Rev D 2017;96(5) |
Abstract: | Dijet events are studied in the proton-proton collision data set recorded at s=13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to integrated luminosities of 3.5 fb-1 and 33.5 fb-1 respectively. Invariant mass and angular distributions are compared to background predictions and no significant deviation is observed. For resonance searches, a new method for fitting the background component of the invariant mass distribution is employed. The data set is then used to set upper limits at a 95% confidence level on a range of new physics scenarios. Excited quarks with masses below 6.0 TeV are excluded, and limits are set on quantum black holes, heavy W′ bosons, W∗ bosons, and a range of masses and couplings in a Z′ dark matter mediator model. Model-independent limits on signals with a Gaussian shape are also set, using a new approach allowing factorization of physics and detector effects. From the angular distributions, a scale of new physics in contact interaction models is excluded for scenarios with either constructive or destructive interference. These results represent a substantial improvement over those obtained previously with lower integrated luminosity. |
URI: | https://elib.bsu.by/handle/123456789/258766 |
DOI: | 10.1103/PhysRevD.96.052004 |
Scopus: | 85031108107 |
Sponsorship: | ST/N000447/1; IN2P3-CNRS |
Appears in Collections: | Статьи НИУ «Институт ядерных проблем» |
Files in This Item:
File | Description | Size | Format | |
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PhysRevD.96.052004.pdf | 953,26 kB | Adobe PDF | View/Open |
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