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Abstract:

A measurement of the total pp cross section at the LHC at s=7 TeV is presented. In a special run with high-β ⋆ beam optics, an integrated luminosity of 80 μb −1 was accumulated in order 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 0.01 GeV 2 to 0.1 GeV 2 to extrapolate to |t|→0, the total cross section, σ tot (pp→X), is measured via the optical theorem to be: σ tot (pp→X)=95.35±0.38(stat.)±1.25(exp.)±0.37(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 to |t|→0. In addition, the slope of the elastic cross section at small |t| is determined to be B=19.73±0.14(stat.)±0.26(syst.) GeV −2 . © 2014 The Authors

Registro:

Documento: Artículo
Título:Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 2901 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2901 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2014
Volumen:889
Página de inicio:486
Página de fin:548
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2014.10.019
Título revista:Nuclear Physics B
Título revista abreviado:Nucl. Phys. B
ISSN:05503213
CODEN:NUPBB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05503213_v889_n_p486_Aad

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Citas:

---------- APA ----------
(2014) . Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector. Nuclear Physics B, 889, 486-548.
http://dx.doi.org/10.1016/j.nuclphysb.2014.10.019
---------- CHICAGO ----------
Aad, G. "Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector" . Nuclear Physics B 889 (2014) : 486-548.
http://dx.doi.org/10.1016/j.nuclphysb.2014.10.019
---------- MLA ----------
Aad, G. "Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector" . Nuclear Physics B, vol. 889, 2014, pp. 486-548.
http://dx.doi.org/10.1016/j.nuclphysb.2014.10.019
---------- VANCOUVER ----------
Aad, G. Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector. Nucl. Phys. B. 2014;889:486-548.
http://dx.doi.org/10.1016/j.nuclphysb.2014.10.019