作者
Gueorgui Antchev, Paul Aspell, I Atanassov, Valenina Avati, Joachim Baechler, Vincenzo Berardi, M Berretti, E Bossini, U Bottigli, M Bozzo, P Broulím, Helmut Burkhardt, A Buzzo, FS Cafagna, CE Campanella, MG Catanesi, M Csanád, T Csörgő, Mario Deile, F De Leonardis, A D’Orazio, M Doubek, K Eggert, V Eremin, F Ferro, A Fiergolski, F Garcia, V Georgiev, S Giani, L Grzanka, C Guaragnella, J Hammerbauer, J Heino, A Karev, J Kašpar, J Kopal, V Kundrát, S Lami, G Latino, R Lauhakangas, R Linhart, E Lippmaa, J Lippmaa, MV Lokajíček, L Losurdo, M Lo Vetere, F Lucas Rodríguez, M Macrí, A Mercadante, N Minafra, S Minutoli, T Naaranoja, F Nemes, H Niewiadomski, E Oliveri, F Oljemark, R Orava, M Oriunno, K Österberg, P Palazzi, L Paločko, V Passaro, Z Peroutka, V Petruzzelli, T Politi, J Procházka, F Prudenzano, M Quinto, E Radermacher, E Radicioni, F Ravotti, S Redaelli, E Robutti, L Ropelewski, G Ruggiero, H Saarikko, B Salvachua, A Scribano, J Smajek, W Snoeys, J Sziklai, C Taylor, N Turini, V Vacek, G Valentino, J Welti, J Wenninger, P Wyszkowski, K Zielinski
发表日期
2016/12
期刊
The European Physical Journal C
卷号
76
页码范围
1-21
出版商
Springer Berlin Heidelberg
简介
The TOTEM experiment at the CERN LHC has measured elastic proton–proton scattering at the centre-of-mass energy TeV and four-momentum transfers squared, |t|, from to 0.2 GeV. Near the lower end of the t-interval the differential cross-section is sensitive to the interference between the hadronic and the electromagnetic scattering amplitudes. This article presents the elastic cross-section measurement and the constraints it imposes on the functional forms of the modulus and phase of the hadronic elastic amplitude. The data exclude the traditional Simplified West and Yennie interference formula that requires a constant phase and a purely exponential modulus of the hadronic amplitude. For parametrisations of the hadronic modulus with second- or third-order polynomials in the exponent, the data are compatible with hadronic phase functions giving either central or peripheral behaviour in the impact …
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