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- Title
Characterisation of the dip-bump structure observed in proton–proton elastic scattering at s = 8 TeV.
- Authors
Antchev, 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.
- Abstract
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.
- Subjects
ELASTIC scattering; MEASUREMENT
- Publication
European Physical Journal C -- Particles & Fields, 2022, Vol 82, Issue 3, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-022-10065-x