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Article: Measurement of the top-quark mass in tt-+ 1-jet events collected with the ATLAS detector in pp collisions at √s = 8 TeV
| Title | Measurement of the top-quark mass in tt-+ 1-jet events collected with the ATLAS detector in pp collisions at √s = 8 TeV |
|---|---|
| Authors | |
| Keywords | Hadron-Hadron scattering (experiments) Top physics |
| Issue Date | 2019 |
| Publisher | Springer Verlag (Germany): SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130 |
| Citation | Journal of High Energy Physics, 2019, v. 2019 n. 11, article no. 150 How to Cite? |
| Abstract | 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. |
| Persistent Identifier | http://hdl.handle.net/10722/286315 |
| ISSN | 2021 Impact Factor: 6.379 2020 SCImago Journal Rankings: 0.998 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | ATLAS collaboration | - |
| dc.contributor.author | Lo, CY | - |
| dc.contributor.author | Paredes Hernandez, D | - |
| dc.contributor.author | Tu, Y | - |
| dc.contributor.author | Pizzimento, L | - |
| dc.date.accessioned | 2020-08-31T07:02:10Z | - |
| dc.date.available | 2020-08-31T07:02:10Z | - |
| dc.date.issued | 2019 | - |
| dc.identifier.citation | Journal of High Energy Physics, 2019, v. 2019 n. 11, article no. 150 | - |
| dc.identifier.issn | 1029-8479 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/286315 | - |
| dc.description.abstract | 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. | - |
| dc.language | eng | - |
| dc.publisher | Springer Verlag (Germany): SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130 | - |
| dc.relation.ispartof | Journal of High Energy Physics | - |
| dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
| dc.subject | Hadron-Hadron scattering (experiments) | - |
| dc.subject | Top physics | - |
| dc.title | Measurement of the top-quark mass in tt-+ 1-jet events collected with the ATLAS detector in pp collisions at √s = 8 TeV | - |
| dc.type | Article | - |
| dc.identifier.email | Lo, CY: samuel3@hku.hk | - |
| dc.identifier.email | Paredes Hernandez, D: dparedes@hku.hk | - |
| dc.identifier.email | Tu, Y: yanjuntu@hku.hk | - |
| dc.identifier.authority | Tu, Y=rp01971 | - |
| dc.description.nature | published_or_final_version | - |
| dc.identifier.doi | 10.1007/jhep11(2019)150 | - |
| dc.identifier.scopus | eid_2-s2.0-85076438382 | - |
| dc.identifier.hkuros | 313503 | - |
| dc.identifier.volume | 2019 | - |
| dc.identifier.issue | 11 | - |
| dc.identifier.spage | article no. 150 | - |
| dc.identifier.epage | article no. 150 | - |
| dc.identifier.isi | WOS:000514894800001 | - |
| dc.publisher.place | Germany | - |
| dc.identifier.issnl | 1029-8479 | - |