The top quark mass is measured in the t (t) over bar -> dilepton channel (lepton= e, mu) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of root s = 8 TeV and correspond to an integrated luminosity of about 20.2 fb(-1). Exploiting the template method, and using the distribution of invariant masses of lepton-b-jetpairs, the top quark mass is measured to be m(top) = 172.99 +/- 0.41(stat)+/- 0.74(syst) GeV, with a total uncertainty of 0.84 GeV. Finally, acombination with previous ATLAS m(top) measurements from root s = 7 TeV data in the t (t) over bar -> dilepton and t (t) over bar -> lepton + jets channels results in m(top) = 172.84 +/- 0.34(stat)+/- 0.61(syst) GeV, with a total uncertainty of 0.70 GeV. (C) 2016 The Author. Published by Elsevier B.V.

Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data / Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abouzeid, O.S., Abraham, N.L., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B.S., Adamczyk, L., Adams, D.L., Adelman, J., Adomeit, S., Adye, T., Affolder, A.A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 761:(2016), pp. 350-371. [10.1016/j.physletb.2016.08.042]

Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data

Artoni, G.;BAGNAIA, Paolo;BAUCE, MATTEO;BINI, Cesare;DE CECCO, Sandro;GENTILE, Simonetta;GIAGU, Stefano;Kado, M.;LACAVA, Francesco;LUCI, Claudio;MESSINA, Andrea;Policicchio, A.;
2016

Abstract

The top quark mass is measured in the t (t) over bar -> dilepton channel (lepton= e, mu) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of root s = 8 TeV and correspond to an integrated luminosity of about 20.2 fb(-1). Exploiting the template method, and using the distribution of invariant masses of lepton-b-jetpairs, the top quark mass is measured to be m(top) = 172.99 +/- 0.41(stat)+/- 0.74(syst) GeV, with a total uncertainty of 0.84 GeV. Finally, acombination with previous ATLAS m(top) measurements from root s = 7 TeV data in the t (t) over bar -> dilepton and t (t) over bar -> lepton + jets channels results in m(top) = 172.84 +/- 0.34(stat)+/- 0.61(syst) GeV, with a total uncertainty of 0.70 GeV. (C) 2016 The Author. Published by Elsevier B.V.
2016
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data / Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abouzeid, O.S., Abraham, N.L., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B.S., Adamczyk, L., Adams, D.L., Adelman, J., Adomeit, S., Adye, T., Affolder, A.A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 761:(2016), pp. 350-371. [10.1016/j.physletb.2016.08.042]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/968201
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