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arxiv: 1204.5689 · v1 · pith:LW36V4T3new · submitted 2012-04-25 · ✦ hep-ex

Elastic Scattering and Total Cross-Section in p+p reactions measured by the LHC Experiment TOTEM at sqrt(s) = 7 TeV

T. Cs\"org\H{o} , G. Antchev , P. Aspell , I. Atanassov , V. Avati , J. Baechler , V. Berardi , M. Berretti
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E. Bossini M. Bozzo P. Brogi E. Br\"ucken A. Buzzo F. S. Cafagna M. Calicchio M. G. Catanesi C. Covault M. Csan\'ad M. Deile E. Dimovasili M. Doubek K. Eggert V.Eremin R. Ferretti F. Ferro A. Fiergolski F. Garcia S. Giani V. Greco L. Grzanka J. Heino T. Hilden M. R. Intonti M. Janda J. Ka\v{s}par J. Kopal V. Kundr\'at K. Kurvinen S. Lami G. Latino R. Lauhakangas T. Leszko E. Lippmaa M. Lokaj\'i\v{c}ek M. Lo Vetere F. Lucas Rodr\'iguez M. Macr\'i L. Magaletti G. Magazz\`u A. Mercadante M. Meucci S. Minutoli F. Nemes H. Niewiadomski E. Noschis T. Nov\'ak E. Oliveri F. Oljemark R. Orava M. Oriunno K. \"Osterberg P. Palazzi A.-L. Perrot E. Pedreschi J. Pet\"aj\"aj\"arvi J. Proch\'azka M. Quinto E. Radermacher E. Radicioni F. Ravotti E. Robutti L. Ropelewski G. Ruggiero H. Saarikko G. Sanguinetti A. Santroni A. Scribano G. Sette W. Snoeys F. Spinella J. Sziklai C. Taylor N. Turini V. Vacek M. V\'itek J. Welti J. Whitmore (the TOTEM Collaboration)
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classification ✦ hep-ex
keywords measuredsqrtbeamcross-sectionelasticexperimentmeasurementsproton-proton
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Proton-proton elastic scattering has been measured by the TOTEM experiment at the CERN Large Hadron Collider at $\sqrt{s} = 7 $ TeV in special runs with the Roman Pot detectors placed as close to the outgoing beam as seven times the transverse beam size. The differential cross-section measurements are reported in the |t|-range of 0.36 to 2.5 GeV^2. Extending the range of data to low t values from 0.02 to 0.33 GeV^2,and utilizing the luminosity measurements of CMS, the total proton-proton cross section at sqrt(s) = 7 TeV is measured to be (98.3 +- 0.2(stat) +- 2.8(syst)) mb.

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