Measurement of the top-quark mass in tt¯+ 1-jet events collected with the ATLAS detector in pp collisions at √s = 8 TeV
| العنوان: | Measurement of the top-quark mass in tt¯+ 1-jet events collected with the ATLAS detector in pp collisions at √s = 8 TeV |
|---|---|
| المؤلفون: | Aad, Georges, Abbott, Brad, Abbott, Dale C., Abdinov, Ovsat Bahram oglu, Abed Abud, Adam, Abeling, Kira, Abhayasinghe, Deshan Kavishka, Abidi, Syed Haider, AbouZeid, Hass, Abraham, Nadine L., Bjørke, Kristian, Bugge, Magnar Kopangen, Cameron, David Gordon, Catmore, James Richard, Feigl, Simon, Garonne, Vincent, Gramstad, Eirik, Hellesund, Simen, Morisbak, Vanja, Oppen, Henrik, Ould-Saada, Farid, Pedersen, Maiken, Read, Alexander Lincoln, Røhne, Ole Myren, Sandaker, Heidi, Vadla, Knut Oddvar Høie, Buanes, Trygve, Djuvsland, Julia Isabell, Eigen, Gerald, Fomin, Nikolai, Lee, Graham Richard, Lipniacka, Anna, Martin dit Latour, Bertrand, Mæland, Steffen, Stugu, Bjarne, Træet, Are Sivertsen, Abramowicz, Halina, Abreu, Henso, Abulaiti, Yiming, Acharya, Bobby S., Achkar, Baida, Adachi, Shunsuke, Adam, Lennart, Adam-Bourdarios, Claire, Adamczyk, Leszek, Adamek, Lukas, Adelman, Jareed, Adersberger, Michael, Adigüzel, Aytül, Adorni, Sofia, ATLAS, Collaboration |
| المصدر: | Journal of High Energy Physics (JHEP) |
| بيانات النشر: | Springer, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | High Energy Physics::Phenomenology, Matematikk og naturvitenskap: 400::Fysikk: 430::Kjerne- og elementærpartikkelfysikk: 431 [VDP], High Energy Physics::Experiment, Nuclear Experiment, Mathematics and natural scienses: 400::Physics: 430::Nuclear and elementary particle physics: 431 [VDP] |
| الوصف: | A determination of the top-quark mass is presented using 20.2 fb−1 of 8 TeV proton-proton collision data produced by the Large Hadron Collider and collected by the ATLAS experiment. The normalised differential cross section of top-quark pair production in association with an energetic jet is measured in the lepton+jets final state and unfolded to parton and particle levels. The unfolded distribution at parton level can be described using next-to-leading-order QCD predictions in terms of either the top-quark pole mass or the running mass as defined in the (modified) minimal subtraction scheme. A comparison between the experimental distribution and the theoretical prediction allows the top-quark mass to be extracted in the two schemes. The value obtained for the pole-mass scheme is: mpolet=171.1±0.4(stat)±0.9(syst)+0.7−0.3(theo)GeV The extracted value in the running-mass scheme is: mt(mt)=162.9±0.5(stat)±1.0(syst)+2.1−1.2(theo)GeV. The results for the top-quark mass using the two schemes are consistent, when translated from one scheme to the other. publishedVersion |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 1126-6708 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::517120e5ac15b70572943518aae0fe05 https://hdl.handle.net/1956/22923 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.dedup.wf.001..517120e5ac15b70572943518aae0fe05 |
| قاعدة البيانات: | OpenAIRE |
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