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Article: Measurement of the total cross section and ρ-parameter from elastic scattering in pp collisions at √s=13 TeV with the ATLAS detector

TitleMeasurement of the total cross section and ρ-parameter from elastic scattering in <i>pp</i> collisions at √s=13 TeV with the ATLAS detector
Authors
Aad, GAbbott, BAbbott, DCAbeling, KAbidi, SHAboulhorma, AAbramowicz, HAbreu, HAbulaiti, YAbusleme, Hoffman ACAcharya, BSAchkar, BAdam, LAdam, Bourdarios CAdamczyk, LAdamek, LAddepalli, SVAdelman, JAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgaras, MNAgarwala, JAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAizenberg, IAkbiyik, MÅkesson, TPAAkimov, AVAl, Khoury KAlberghi, GLAlbert, JAlbicocco, PAlconada, Verzini MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllport, PPAloisio, AAlonso, FAlpigiani, CAlunno, Camelia EAlvarez, Estevez MAlviggi, MGAmaral, Coutinho YAmbler, AAmelung, CAmes, CGAmidei, DAmor, Dos Santos SPAmoroso, SAmos, KRAmrouche, CSAnaniev, VAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi, Pozo JAAparo, MAAperio, Bella LAppelt, CAranzabal, NAraujo, Ferraz VArcangeletti, CArce, ATHArena, EArguin, JFArgyropoulos, SArling, JHArmbruster, AJArnaez, OArnold, HArrubarrena, Tame ZPArtoni, GAsada, HAsai, KAsai, SAsbah, NAAsimakopoulou, EMAssahsah, JAssamagan, KAstalos, RAtkin, RJAtkinson, MAtlay, NBAtmani, HAtmasiddha, PAAugsten, KAuricchio, SAuriol, ADAustrup, VAAvner, GAvolio, GAxiotis, KAyoub, MKAzuelos, GParedes Hernandez, Daniela KatherinneHUANG, ShuhuiPENG, ChenTAM, Kai ChungTu, Yanjunet al
Issue Date26-May-2023
PublisherSpringerOpen
Citation
The European Physical Journal C, 2023, v. 83, n. 5, p. 1-49 How to Cite?
Abstract

In a special run of the LHC with beta star=2.5 km, proton-proton elastic-scattering events were recorded at root s=13 TeV with an integrated luminosity of 340 mu b(-1) using the ALFA subdetector of ATLAS in 2016. The elastic cross section was measured differentially in the Mandelstam t variable in the range from -t=2.5 center dot 10(-4) GeV2 to -t=0.46 GeV2 using 6.9 million elastic-scattering candidates. This paper presents measurements of the total cross section sigma(tot), parameters of the nuclear slope, and the rho-parameter defined as the ratio of the real part to the imaginary part of the elastic-scattering amplitude in the limit t -> 0. These parameters are determined from a fit to the differential elastic cross section using the optical theorem and different parameterizations of the t-dependence. The results for sigma(tot) and rho are sigma(tot) (PP -> X ) =104.7 +/- 1.1 mob , rho=0.098 +/- 0.011. The uncertainty in sigma(tot) is dominated by the luminosity measurement, and in rho by imperfect knowledge of the detector alignment and by modelling of the nuclear amplitude.


Persistent Identifierhttp://hdl.handle.net/10722/339999
ISSN
2022 Impact Factor: 4.4
2020 SCImago Journal Rankings: 1.938
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAad, G-
dc.contributor.authorAbbott, B-
dc.contributor.authorAbbott, DC-
dc.contributor.authorAbeling, K-
dc.contributor.authorAbidi, SH-
dc.contributor.authorAboulhorma, A-
dc.contributor.authorAbramowicz, H-
dc.contributor.authorAbreu, H-
dc.contributor.authorAbulaiti, Y-
dc.contributor.authorAbusleme, Hoffman AC-
dc.contributor.authorAcharya, BS-
dc.contributor.authorAchkar, B-
dc.contributor.authorAdam, L-
dc.contributor.authorAdam, Bourdarios C-
dc.contributor.authorAdamczyk, L-
dc.contributor.authorAdamek, L-
dc.contributor.authorAddepalli, SV-
dc.contributor.authorAdelman, J-
dc.contributor.authorAdiguzel, A-
dc.contributor.authorAdorni, S-
dc.contributor.authorAdye, T-
dc.contributor.authorAffolder, AA-
dc.contributor.authorAfik, Y-
dc.contributor.authorAgaras, MN-
dc.contributor.authorAgarwala, J-
dc.contributor.authorAggarwal, A-
dc.contributor.authorAgheorghiesei, C-
dc.contributor.authorAguilar-Saavedra, JA-
dc.contributor.authorAhmad, A-
dc.contributor.authorAhmadov, F-
dc.contributor.authorAhmed, WS-
dc.contributor.authorAi, X-
dc.contributor.authorAielli, G-
dc.contributor.authorAizenberg, I-
dc.contributor.authorAkbiyik, M-
dc.contributor.authorÅkesson, TPA-
dc.contributor.authorAkimov, AV-
dc.contributor.authorAl, Khoury K-
dc.contributor.authorAlberghi, GL-
dc.contributor.authorAlbert, J-
dc.contributor.authorAlbicocco, P-
dc.contributor.authorAlconada, Verzini MJ-
dc.contributor.authorAlderweireldt, S-
dc.contributor.authorAleksa, M-
dc.contributor.authorAleksandrov, IN-
dc.contributor.authorAlexa, C-
dc.contributor.authorAlexopoulos, T-
dc.contributor.authorAlfonsi, A-
dc.contributor.authorAlfonsi, F-
dc.contributor.authorAlhroob, M-
dc.contributor.authorAli, B-
dc.contributor.authorAli, S-
dc.contributor.authorAliev, M-
dc.contributor.authorAlimonti, G-
dc.contributor.authorAllaire, C-
dc.contributor.authorAllbrooke, BMM-
dc.contributor.authorAllport, PP-
dc.contributor.authorAloisio, A-
dc.contributor.authorAlonso, F-
dc.contributor.authorAlpigiani, C-
dc.contributor.authorAlunno, Camelia E-
dc.contributor.authorAlvarez, Estevez M-
dc.contributor.authorAlviggi, MG-
dc.contributor.authorAmaral, Coutinho Y-
dc.contributor.authorAmbler, A-
dc.contributor.authorAmelung, C-
dc.contributor.authorAmes, CG-
dc.contributor.authorAmidei, D-
dc.contributor.authorAmor, Dos Santos SP-
dc.contributor.authorAmoroso, S-
dc.contributor.authorAmos, KR-
dc.contributor.authorAmrouche, CS-
dc.contributor.authorAnaniev, V-
dc.contributor.authorAnastopoulos, C-
dc.contributor.authorAndari, N-
dc.contributor.authorAndeen, T-
dc.contributor.authorAnders, JK-
dc.contributor.authorAndrean, SY-
dc.contributor.authorAndreazza, A-
dc.contributor.authorAngelidakis, S-
dc.contributor.authorAngerami, A-
dc.contributor.authorAnisenkov, AV-
dc.contributor.authorAnnovi, A-
dc.contributor.authorAntel, C-
dc.contributor.authorAnthony, MT-
dc.contributor.authorAntipov, E-
dc.contributor.authorAntonelli, M-
dc.contributor.authorAntrim, DJA-
dc.contributor.authorAnulli, F-
dc.contributor.authorAoki, M-
dc.contributor.authorAparisi, Pozo JA-
dc.contributor.authorAparo, MA-
dc.contributor.authorAperio, Bella L-
dc.contributor.authorAppelt, C-
dc.contributor.authorAranzabal, N-
dc.contributor.authorAraujo, Ferraz V-
dc.contributor.authorArcangeletti, C-
dc.contributor.authorArce, ATH-
dc.contributor.authorArena, E-
dc.contributor.authorArguin, JF-
dc.contributor.authorArgyropoulos, S-
dc.contributor.authorArling, JH-
dc.contributor.authorArmbruster, AJ-
dc.contributor.authorArnaez, O-
dc.contributor.authorArnold, H-
dc.contributor.authorArrubarrena, Tame ZP-
dc.contributor.authorArtoni, G-
dc.contributor.authorAsada, H-
dc.contributor.authorAsai, K-
dc.contributor.authorAsai, S-
dc.contributor.authorAsbah, NA-
dc.contributor.authorAsimakopoulou, EM-
dc.contributor.authorAssahsah, J-
dc.contributor.authorAssamagan, K-
dc.contributor.authorAstalos, R-
dc.contributor.authorAtkin, RJ-
dc.contributor.authorAtkinson, M-
dc.contributor.authorAtlay, NB-
dc.contributor.authorAtmani, H-
dc.contributor.authorAtmasiddha, PA-
dc.contributor.authorAugsten, K-
dc.contributor.authorAuricchio, S-
dc.contributor.authorAuriol, AD-
dc.contributor.authorAustrup, VA-
dc.contributor.authorAvner, G-
dc.contributor.authorAvolio, G-
dc.contributor.authorAxiotis, K-
dc.contributor.authorAyoub, MK-
dc.contributor.authorAzuelos, G-
dc.contributor.authorParedes Hernandez, Daniela Katherinne-
dc.contributor.authorHUANG, Shuhui-
dc.contributor.authorPENG, Chen-
dc.contributor.authorTAM, Kai Chung-
dc.contributor.authorTu, Yanjun-
dc.contributor.authoret al-
dc.date.accessioned2024-03-11T10:40:54Z-
dc.date.available2024-03-11T10:40:54Z-
dc.date.issued2023-05-26-
dc.identifier.citationThe European Physical Journal C, 2023, v. 83, n. 5, p. 1-49-
dc.identifier.issn1434-6044-
dc.identifier.urihttp://hdl.handle.net/10722/339999-
dc.description.abstract<p>In a special run of the LHC with beta star=2.5 km, proton-proton elastic-scattering events were recorded at root s=13 TeV with an integrated luminosity of 340 mu b(-1) using the ALFA subdetector of ATLAS in 2016. The elastic cross section was measured differentially in the Mandelstam t variable in the range from -t=2.5 center dot 10(-4) GeV2 to -t=0.46 GeV2 using 6.9 million elastic-scattering candidates. This paper presents measurements of the total cross section sigma(tot), parameters of the nuclear slope, and the rho-parameter defined as the ratio of the real part to the imaginary part of the elastic-scattering amplitude in the limit t -> 0. These parameters are determined from a fit to the differential elastic cross section using the optical theorem and different parameterizations of the t-dependence. The results for sigma(tot) and rho are sigma(tot) (PP -> X ) =104.7 +/- 1.1 mob , rho=0.098 +/- 0.011. The uncertainty in sigma(tot) is dominated by the luminosity measurement, and in rho by imperfect knowledge of the detector alignment and by modelling of the nuclear amplitude.</p>-
dc.languageeng-
dc.publisherSpringerOpen-
dc.relation.ispartofThe European Physical Journal C-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMeasurement of the total cross section and ρ-parameter from elastic scattering in <i>pp</i> collisions at √s=13 TeV with the ATLAS detector-
dc.typeArticle-
dc.identifier.doi10.1140/epjc/s10052-023-11436-8-
dc.identifier.scopuseid_2-s2.0-85160419394-
dc.identifier.volume83-
dc.identifier.issue5-
dc.identifier.spage1-
dc.identifier.epage49-
dc.identifier.eissn1434-6052-
dc.identifier.isiWOS:001104629900004-
dc.publisher.placeNEW YORK-
dc.identifier.issnl1434-6044-

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