Evidence for electroweak production of w(+/-)w(+/-)jj in pp collisions at root s=8 TeV with the ATLAS detector
Üst veriTüm öğe kaydını göster
KünyeAad, G, Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R. ... ATLAS Collaboration. (2014). Evidence for electroweak production of w(+/-)w(+/-)jj in pp collisions at root s=8 TeV with the ATLAS detector. Physical Review Letters, 113 (14), 19p. http://dx.doi.org/10.1103/PhysRevLett.113.141803.
This Letter presents the first study of W(+/-)W(+/-)jj, same-electric-charge diboson production in association with two jets, using 20.3 fb(-1) of proton-proton collision data at root s = 8 TeV recorded by the ATLAS detector at the Large Hadron Collider. Events with two reconstructed same-charge leptons (e(+/-)e(+/-), e(+/-)mu(+/-), and mu(+/-)mu(+/-)) and two or more jets are analyzed. Production cross sections are measured in two fiducial regions, with different sensitivities to the electroweak and strong production mechanisms. First evidence for W(+/-)W(+/-)jj production and electroweak-only W(+/-)W(+/-)jj production is observed with a significance of 4.5 and 3.6 standard deviations, respectively. The measured production cross sections are in agreement with standard model predictions. Limits at 95% confidence level are set on anomalous quartic gauge couplings.