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First measurement of elastic, inelastic and total cross-section at √s = 13 TeV by TOTEM and overview of cross-section data at LHC energies
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SYSNO ASEP 0540654 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title First measurement of elastic, inelastic and total cross-section at √s = 13 TeV by TOTEM and overview of cross-section data at LHC energies Author(s) Antchev, G. (BG)
Aspell, P. (CH)
Atanassov, I. (BG)
Kašpar, Jan (FZU-D) RID, ORCID
Kundrát, Vojtěch (FZU-D) RID, ORCID
Lokajíček, Miloš V. (FZU-D) RID, ORCID
Procházka, Jiří (FZU-D) RID, ORCIDNumber of authors 87 Article number 103 Source Title European Physical Journal C. - : Springer - ISSN 1434-6044
Roč. 79, č. 2 (2019), s. 1-10Number of pages 10 s. Language eng - English Country DE - Germany Keywords elastic proton proton scattering ; LHC ; Coulomb-hadronic interference Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects LTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CERN-CZ - 90058 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000457389300005 EID SCOPUS 85060982187 DOI 10.1140/epjc/s10052-019-6567-0 Annotation The TOTEM collaboration has measured the proton–proton total cross section at √s = 13 TeV with a luminosity-independent method. Using dedicated β∗ = 90m beam optics, the Roman Pots were inserted very close to the beam. The inelastic scattering rate has been measured by the T1 and T2 telescopes during the same LHC fill. After applying the optical theorem the total proton–proton cross section is σtot = (110.6±3.4) mb, well in agreement with the extrapolation from lower energies. This method also allows one to derive the luminosity-independent elastic and inelastic cross sections: σel = (31.0±1.7)mb and σinel = (79.5±1.8) mb.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2021 Electronic address http://hdl.handle.net/11104/0318295
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