Measurement of the Z(→ l+l-)γ production cross-section in pp collisions at √s=13 TeV with the ATLAS detector
The production of a prompt photon in association with a Z boson is studied in proton-proton collisions at a centre-of-mass energy s = 13 TeV. The analysis uses a data sample with an integrated luminosity of 139 fb(-1) collected by the ATLAS detector at the LHC from 2015 to 2018. The production cross...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
March 10, 2020
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| In: |
Journal of high energy physics
Year: 2020, Heft: 3 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP03(2020)054 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP03(2020)054
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| Verfasserangaben: | The ATLAS Collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of the Z(→ l+l-)γ production cross-section in pp collisions at √s=13 TeV with the ATLAS detector |c The ATLAS Collaboration |
| 246 | 3 | 3 | |a Measurement of the Z(→ l+l-) gamma production cross-section in pp collisions at √s=13 TeV with the ATLAS detector |
| 246 | 3 | 3 | |a Measurement of the Z(→ l+l-)γ production cross-section in pp collisions at sqrt s=13 TeV with the ATLAS detector |
| 246 | 3 | 3 | |a Measurement of the Z(→ l+l-)γ production cross-section in pp collisions at square root s=13 TeV with the ATLAS detector |
| 246 | 3 | 3 | |a Measurement of the Z(→ l+l-)γ production cross-section in pp collisions at root s=13 TeV with the ATLAS detector |
| 264 | 1 | |c March 10, 2020 | |
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| 500 | |a Das Plus- und Minuszeichen in l+l- im Titel ist hochgestellt, das s steht unter dem Wurzelzeichen | ||
| 500 | |a The ATLAS Collaboration: G. Aad, V. C.F. Anders, V. Andrei, C.Antel, A.C. Bolz, M. Dunford, D.E. Ferreira de Lima, S. Franchino, M.P. Geisler, L. Helary, J. Jongmanns, M. Klassen, M. Kolb, A. Krishnan, A. Kugel, M. Lisovyi, H. Meyer zu Theenhausen, F. Napolitano, P.S. Ott, M. Sahinsoy, A. Schoening, H.-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, S. Suchek, L. Vigani, J. Wang, S.M. Weber, M. Wessels, X. Yue und 2923 weitere | ||
| 500 | |a Gesehen am 17.04.2020 | ||
| 520 | |a The production of a prompt photon in association with a Z boson is studied in proton-proton collisions at a centre-of-mass energy s = 13 TeV. The analysis uses a data sample with an integrated luminosity of 139 fb(-1) collected by the ATLAS detector at the LHC from 2015 to 2018. The production cross-section for the process pp -> l(+)l(-)gamma + X (l = e, mu) is measured within a fiducial phase-space region defined by kinematic requirements on the photon and the leptons, and by isolation requirements on the photon. An experimental precision of 2.9% is achieved for the fiducial cross-section. Differential cross-sections are measured as a function of each of six kinematic variables characterising the l(+)l(-)gamma system. The data are compared with theoretical predictions based on next-to-leading-order and next-to-next-to-leading-order perturbative QCD calculations. The impact of next-to-leading-order electroweak corrections is also considered. | ||
| 650 | 4 | |a electroweak corrections | |
| 650 | 4 | |a gauge-boson couplings | |
| 650 | 4 | |a Hadron-Hadron scattering (experiments) | |
| 650 | 4 | |a z-gamma production | |
| 650 | 4 | |a zz-gamma | |
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