Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector

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dc.contributor.authorAaboud, M
dc.contributor.authorAad, G
dc.contributor.authorAbbott, B
dc.contributor.authorAbdallah, J
dc.contributor.authorAbdinov, O
dc.contributor.authorAbeloos, B
dc.contributor.authorAben, R
dc.contributor.authorAbouZeid, O S
dc.contributor.authorAbraham, N L
dc.contributor.authorAbramowicz, H
dc.contributor.authorAbreu, H
dc.contributor.authorAbreu, R
dc.contributor.authorAbulaiti, Y
dc.contributor.authorAcharya, B S
dc.contributor.authorAdachi, S
dc.contributor.authorAdamczyk, L
dc.contributor.authorAdams, D L
dc.contributor.authorAdelman, J
dc.contributor.authorAdomeit, S
dc.contributor.authorAdye, T
dc.contributor.authorAffolder, A A
dc.contributor.authorAgatonovic-Jovin, T
dc.contributor.authorAgricola, J
dc.contributor.authorAguilar-Saavedra, J A
dc.contributor.authorAhlen, S P
dc.contributor.authorAhmadov, F
dc.contributor.authorAielli, G
dc.contributor.authorAkerstedt, H
dc.contributor.authorÅkesson, T P A
dc.contributor.authorAkimov, A V
dc.contributor.authorAlberghi, G L
dc.contributor.authorAlbert, J
dc.date.accessioned2021-10-08T07:11:49Z
dc.date.available2021-10-08T07:11:49Z
dc.date.issued2016
dc.description.abstractA measurement of the total $pp$ cross section at the LHC at $sqrt{s}=8$ TeV is presented. An integrated luminosity of $500$ $mu$b${-1}$ was accumulated in a special run with high-$beta{star}$ beam optics to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable $t$. The measurement is performed with the ALFA sub-detector of ATLAS. Using a fit to the differential elastic cross section in the $-t$ range from $0.014$ GeV$2$ to $0.1$ GeV$2$ to extrapolate $trightarrow 0$, the total cross section, $sigma_{mathrm{tot}}(pprightarrow X)$, is measured via the optical theorem to be: $sigma_{mathrm{tot}}(pprightarrow X) = {96.07} ; pm 0.18 ; ({{stat.}}) pm 0.85 ; ({{exp.}}) pm 0.31 ; ({extr.}) ; {mb} ;,$ where the first error is statistical, the second accounts for all experimental systematic uncertainties and the last is related to uncertainties in the extrapolation $trightarrow 0$. In addition, the slope of the exponential function describing the elastic cross section at small $t$ is determined to be $B = 19.74 pm 0.05 ; ({{stat.}}) pm 0.23 ; ({{syst.}}) ; {GeV}{-2}$.
dc.identifier.apacitationAaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., ... Albert, J. (2016). Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector. <i>Physics Letters, B</i>, 761(C), 158 - 178. http://hdl.handle.net/11427/34691en_ZA
dc.identifier.chicagocitationAaboud, M, G Aad, B Abbott, J Abdallah, O Abdinov, B Abeloos, R Aben, et al "Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector." <i>Physics Letters, B</i> 761, C. (2016): 158 - 178. http://hdl.handle.net/11427/34691en_ZA
dc.identifier.citationAaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R. & AbouZeid, O.S. et al. 2016. Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector. <i>Physics Letters, B.</i> 761(C):158 - 178. http://hdl.handle.net/11427/34691en_ZA
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.ris TY - Journal Article AU - Aaboud, M AU - Aad, G AU - Abbott, B AU - Abdallah, J AU - Abdinov, O AU - Abeloos, B AU - Aben, R AU - AbouZeid, O S AU - Abraham, N L AU - Abramowicz, H AU - Abreu, H AU - Abreu, R AU - Abulaiti, Y AU - Acharya, B S AU - Adachi, S AU - Adamczyk, L AU - Adams, D L AU - Adelman, J AU - Adomeit, S AU - Adye, T AU - Affolder, A A AU - Agatonovic-Jovin, T AU - Agricola, J AU - Aguilar-Saavedra, J A AU - Ahlen, S P AU - Ahmadov, F AU - Aielli, G AU - Akerstedt, H AU - Åkesson, T P A AU - Akimov, A V AU - Alberghi, G L AU - Albert, J AB - A measurement of the total $pp$ cross section at the LHC at $sqrt{s}=8$ TeV is presented. An integrated luminosity of $500$ $mu$b${-1}$ was accumulated in a special run with high-$beta{star}$ beam optics to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable $t$. The measurement is performed with the ALFA sub-detector of ATLAS. Using a fit to the differential elastic cross section in the $-t$ range from $0.014$ GeV$2$ to $0.1$ GeV$2$ to extrapolate $trightarrow 0$, the total cross section, $sigma_{mathrm{tot}}(pprightarrow X)$, is measured via the optical theorem to be: $sigma_{mathrm{tot}}(pprightarrow X) = {96.07} ; pm 0.18 ; ({{stat.}}) pm 0.85 ; ({{exp.}}) pm 0.31 ; ({extr.}) ; {mb} ;,$ where the first error is statistical, the second accounts for all experimental systematic uncertainties and the last is related to uncertainties in the extrapolation $trightarrow 0$. In addition, the slope of the exponential function describing the elastic cross section at small $t$ is determined to be $B = 19.74 pm 0.05 ; ({{stat.}}) pm 0.23 ; ({{syst.}}) ; {GeV}{-2}$. DA - 2016 DB - OpenUCT DP - University of Cape Town IS - C J1 - Physics Letters, B LK - https://open.uct.ac.za PY - 2016 SM - 0370-2693 SM - 1873-2445 T1 - Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector TI - Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector UR - http://hdl.handle.net/11427/34691 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/34691
dc.identifier.vancouvercitationAaboud M, Aad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, et al. Measurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector. Physics Letters, B. 2016;761(C):158 - 178. http://hdl.handle.net/11427/34691.en_ZA
dc.publisher.departmentDepartment of Physics
dc.publisher.facultyFaculty of Science
dc.sourcePhysics Letters, B
dc.source.journalissueC
dc.source.journalvolume761
dc.source.pagination158 - 178
dc.source.urihttps://dx.doi.org/10.1016/j.physletb.2016.08.020
dc.subject.otherScience &
dc.subject.otherTechnology
dc.subject.otherPhysical Sciences
dc.subject.otherAstronomy &
dc.subject.otherAstrophysics
dc.subject.otherPhysics
dc.subject.otherNuclear
dc.subject.otherParticles &
dc.subject.otherFields
dc.subject.otherHIGH-ENERGY
dc.subject.otherLHC ENERGY
dc.subject.otherINTERFERENCE
dc.subject.otherMODEL
dc.titleMeasurement of the total cross section from elastic scattering in pp collisions at s = 8   TeV with the ATLAS detector
dc.typeJournal Article
uct.type.publicationResearch
uct.type.resourceJournal Article
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