Measurement of exclusive pion pair production in proton-proton collisions at √s = 7 TeV with the ATLAS detector
The exclusive production of pion pairs in the process pp → ppπ+π− has been measured at √s = 7 TeV with the ATLAS detector at the LHC, using 80 μb−1 of low-luminosity data. The pion pairs were detected in the ATLAS central detector while outgoing protons were measured in the forward ATLAS ALFA detect...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
17 July 2023
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| In: |
The European physical journal. C, Particles and fields
Year: 2023, Jahrgang: 83, Heft: 7, Pages: 1-28 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-023-11700-x |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-023-11700-x
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| Verfasserangaben: | ATLAS Collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of exclusive pion pair production in proton-proton collisions at √s = 7 TeV with the ATLAS detector |c ATLAS Collaboration |
| 246 | 3 | 3 | |a Measurement of exclusive pion pair production in proton-proton collisions at square root s = 7 TeV with the ATLAS detector |
| 264 | 1 | |c 17 July 2023 | |
| 300 | |b Illustrationen | ||
| 300 | |a 28 | ||
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| 500 | |a Im Titel steht der Buchstabe s unter dem Wurzelsymbol | ||
| 500 | |a ATLAS Collaboration: G. Aad, L.M. Baltes, F. Bartels, F.L. Castillo, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, M. Klassen, M. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und viele weitere] | ||
| 500 | |a Gesehen am 12.02.2024 | ||
| 520 | |a The exclusive production of pion pairs in the process pp → ppπ+π− has been measured at √s = 7 TeV with the ATLAS detector at the LHC, using 80 μb−1 of low-luminosity data. The pion pairs were detected in the ATLAS central detector while outgoing protons were measured in the forward ATLAS ALFA detector system. This represents the first use of proton tagging to measure an exclusive hadronic final state at the LHC. A cross-section measurement is performed in two kinematic regions defined by the proton momenta, the pion rapidities and transverse momenta, and the pion–pion invariant mass. Cross-section values of 4.8 ± 1.0 (stat) +0.3 −0.2 (syst) μb and 9 ± 6 (stat) +2 −2 (syst) μb are obtained in the two regions; they are compared with theoretical models and provide a demonstration of the feasibility of measurements of this type. | ||
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