Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in √s=13 TeV pp collisions using the ATLAS detector
A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb$$^{-1}$$-1 of proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider at √s=13 TeV. Three R-parity-conse...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 February 2020
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| In: |
The European physical journal. C, Particles and fields
Year: 2020, Jahrgang: 80, Heft: 2 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-019-7594-6 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-019-7594-6 Verlag, lizenzpflichtig, Volltext: https://link.springer.com/content/pdf/10.1140/epjc/s10052-019-7594-6.pdf 
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| Verfasserangaben: | ATLAS Collaboration* |
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| 245 | 1 | 0 | |a Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in √s=13 TeV pp collisions using the ATLAS detector |c ATLAS Collaboration* |
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| 246 | 3 | 3 | |a Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in square root s = 13 TeV pp collisions using the ATLAS detector |
| 264 | 1 | |c 14 February 2020 | |
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| 500 | |a ATLAS Collaboration: G. Aad, V. Andrei, A.E. Bolz, M. Dunford, S. Franchino, L. Helary, M. Klassen, A. Krishnan, A. Kugel, F. Napolitano, P.S. Ott, A. Schoening, H-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, X. Yue [und weitere] | ||
| 500 | |a Gesehen am 21.04.2020 | ||
| 520 | |a A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb$$^{-1}$$-1 of proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider at √s=13 TeV. Three R-parity-conserving scenarios where the lightest neutralino is the lightest supersymmetric particle are considered: the production of chargino pairs with decays via either W bosons or sleptons, and the direct production of slepton pairs. The analysis is optimised for the first of these scenarios, but the results are also interpreted in the others. No significant deviations from the Standard Model expectations are observed and limits at 95% confidence level are set on the masses of relevant supersymmetric particles in each of the scenarios. For a massless lightest neutralino, masses up to 420 $$\text {Ge}\text {V}$$Ge are excluded for the production of the lightest-chargino pairs assuming W-boson-mediated decays and up to 1 $$\text {TeV}$$TeV for slepton-mediated decays, whereas for slepton-pair production masses up to 700 $$\text {Ge}\text {V}$$Ge are excluded assuming three generations of mass-degenerate sleptons. | ||
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