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Characterisation of the dip-bump structure observed in proton–proton elastic scattering at s = 8 TeVAntchev, G.; Aspell, P.; Atanassov, I.; Avati, V.; Baechler, J.; Barrera, C. Baldenegro; Berardi, V.; Berretti, M.; Borchsh, V.; Bossini, E.; Bottigli, U.; Bozzo, M.; Burkhardt, H.; Cafagna, F. S.; Catanesi, M. G.; Csanád, M.; Csörgő, T.; Deile, M.; De Leonardis, F.; Doubek, M.; Druzhkin, D.; Eggert, K.; Eremin, V.; Ferro, F.; Fiergolski, A.; Forthomme, L.; Garcia, F.; Georgiev, V.; Giani, S.; Grzanka, L.; Hammerbauer, J.; Isidori, T.; Ivanchenko, V.; Janda, M.; Karev, A.; Kašpar, J.; Kaynak, B.; Kopal, J.; Kundrát, V.; Lami, S.; Latino, G.; Linhart, R.; Lindsey, C.; Lokajíček, M. V.; Losurdo, L.; Rodríguez, F. Lucas; Macrí, M.; Malawski, M.; Minafra, N.; Minutoli, S.; Naaranoja, T.; Nemes, F.; Niewiadomski, H.; Novák, T.; Oliveri, E.; Oljemark, F.; Oriunno, M.; Österberg, K.; Palazzi, P.; Passaro, V.; Peroutka, Z.; Procházka, J.; Quinto, M.; Radermacher, E.; Radicioni, E.; Ravotti, F.; Robutti, E.; Royon, C.; Ruggiero, G.; Saarikko, H.; Samoylenko, V. D.; Scribano, A.; Siroky, J.; Smajek, J.; Snoeys, W.; Stefanovitch, R.; Sziklai, J.; Taylor, C.; Tcherniaev, E.; Turini, N.; Urban, O.; Vacek, V.; Vavroch, O.; Welti, J.; Williams, J.; Zich, J.; Zielinski, K.
The European physical journal. C, Particles and fields, 03/2022, Volume: 82, Issue: 3Journal Article
The TOTEM collaboration at the CERN LHC has measured the differential cross-section of elastic proton–proton scattering at s = 8 TeV in the squared four-momentum transfer range 0.2 GeV 2 < | t | < 1.9 GeV 2 . This interval includes the structure with a diffractive minimum (“dip”) and a secondary maximum (“bump”) that has also been observed at all other LHC energies, where measurements were made. A detailed characterisation of this structure for s = 8 TeV yields the positions, | t | dip = ( 0.521 ± 0.007 ) GeV 2 and | t | bump = ( 0.695 ± 0.026 ) GeV 2 , as well as the cross-section values, d σ / d t dip = ( 15.1 ± 2.5 ) μ b / GeV 2 and d σ / d t bump = ( 29.7 ± 1.8 ) μ b / GeV 2 , for the dip and the bump, respectively.
