ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

Observation of Electroweak Production of a Same-Sign W Boson Pair in Association with Two Jets in pp Collisions root s=13 TeV with the ATLAS Detector

NázevTitle
Observation of Electroweak Production of a Same-Sign W Boson Pair in Association with Two Jets in pp Collisions root s=13 TeV with the ATLAS DetectorObservation of Electroweak Production of a Same-Sign W Boson Pair in Association with Two Jets in pp Collisions root s=13 TeV with the ATLAS Detector
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B. Ali, K. Augsten, B. Bergmann, D. Caforio, P. Gallus, M. Havránek, Z. Hubáček, M. Myška, R. Novotný, S. Pospíšil, T. Slavíček, K. Smolek, M. Solar, A. Sopczak, M. Suk, V. Vacek, P. Vokáč, V. Vrba
Klíčová slovaKeywords
weak-interactions, W boson, Electroweak
ExperimentCollaboration
ATLAS
DOIDOI
10.1103/PhysRevLett.123.161801
Časopis / citaceJournal / citation
Physical Review Letters 123(16), 161801 (2019) · ISSN 0031-9007
RokYear
2019
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Získávání nových poznatků o mikrosvětě v infrastruktuře CERNAcquiring new pieces of knowledge about micro-world in CERN research infrastructure; Centrum pokročilých aplikovaných přírodních vědCenter for advanced applied sciences
CitovánoCited by
187 (INSPIRE-HEP)
2019: 182020: 342021: 332022: 292023: 232024: 232025: 162026: 11
Plný text (open access)Full text (open access)
http://link.aps.org/pdf/10.1103/PhysRevLett.123.161801
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

This Letter presents the observation and measurement of electroweak production of a same-sign W boson pair in association with two jets using 36.1 fb(-1) of proton-proton collision data recorded at a centerof-mass energy root s = 13 TeV by the ATLAS detector at the Large Hadron Collider. The analysis is performed in the detector fiducial phase-space region, defined by the presence of two same-sign leptons, electron or muon, and at least two jets with a large invariant mass and rapidity difference. A total of 122 candidate events are observed for a background expectation of 69 +/- 7 events, corresponding to an observed signal significance of 6.5 standard deviations. The measured fiducial signal cross section is sigma(fid) = 2.89(-0.48)(+0.51)(stat)(-0.28)(+0.29)(syst) fb.

This Letter presents the observation and measurement of electroweak production of a same-sign W boson pair in association with two jets using 36.1 fb(-1) of proton-proton collision data recorded at a centerof-mass energy root s = 13 TeV by the ATLAS detector at the Large Hadron Collider. The analysis is performed in the detector fiducial phase-space region, defined by the presence of two same-sign leptons, electron or muon, and at least two jets with a large invariant mass and rapidity difference. A total of 122 candidate events are observed for a background expectation of 69 +/- 7 events, corresponding to an observed signal significance of 6.5 standard deviations. The measured fiducial signal cross section is sigma(fid) = 2.89(-0.48)(+0.51)(stat)(-0.28)(+0.29)(syst) fb.

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