This paper presents a study of the production of WW or WZ boson pairs, with one W boson decaying to e? or µ? and one W or Z boson decaying hadronically. The analysis uses 20.2fb-1 of s=8TeVpp collision data, collected by the ATLAS detector at the Large Hadron Collider. Cross-sections for WW / WZ production are measured in high-pTfiducial regions defined close to the experimental event selection. The cross-section is measured for the case where the hadronically decaying boson is reconstructed as two resolved jets, and the case where it is reconstructed as a single jet. The transverse momentum distribution of the hadronically decaying boson is used to search for new physics. Observations are consistent with the Standard Model predictions, and 95% confidence intervals are calculated for parameters describing anomalous triple gauge-boson couplings.

Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S.H., et al. (2017). Measurement of WW/WZ -> lnuqq'production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at vs=8TeV with ATLAS, and constraints on anomalous gauge couplings. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 77(8) [10.1140/epjc/s10052-017-5084-2].

Measurement of WW/WZ -> lnuqq'production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at vs=8TeV with ATLAS, and constraints on anomalous gauge couplings

Ceradini F.;Di Micco B.;Di Nardo R.;Orestano D.;Petrucci F.;Salamanna G.;Sessa M.;Verducci M.;
2017-01-01

Abstract

This paper presents a study of the production of WW or WZ boson pairs, with one W boson decaying to e? or µ? and one W or Z boson decaying hadronically. The analysis uses 20.2fb-1 of s=8TeVpp collision data, collected by the ATLAS detector at the Large Hadron Collider. Cross-sections for WW / WZ production are measured in high-pTfiducial regions defined close to the experimental event selection. The cross-section is measured for the case where the hadronically decaying boson is reconstructed as two resolved jets, and the case where it is reconstructed as a single jet. The transverse momentum distribution of the hadronically decaying boson is used to search for new physics. Observations are consistent with the Standard Model predictions, and 95% confidence intervals are calculated for parameters describing anomalous triple gauge-boson couplings.
2017
Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S.H., et al. (2017). Measurement of WW/WZ -> lnuqq'production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at vs=8TeV with ATLAS, and constraints on anomalous gauge couplings. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 77(8) [10.1140/epjc/s10052-017-5084-2].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/329747
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