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Abstract:

The dependence of the rate of proton-proton interactions on the centre-of-mass collision energy, √s, is of fundamental importance for both hadron collider physics and particle astrophysics. The dependence cannot yet be calculated from first principles; therefore, experimental measurements are needed. Here we present the first measurement of the inelastic proton-proton interaction cross-section at a centre-of-mass energy, √s, of 7 TeV using the ATLAs detector at the Large Hadron Collider. Events are selected by requiring hits on scintillation counters mounted in the forward region of the detector. An inelastic cross-section of 60.3 ± 2.1 mb is measured for ξ> 5×10 -6 , where ξ is calculated from the invariant mass, M x , of hadrons selected using the largest rapidity gap in the event. For diffractive events, this corresponds to requiring at least one of the dissociation masses to be larger than 15.7 GeV. © 2011 Macmillan Publishers Limited. All rights reserved.

Registro:

Documento: Artículo
Título:Measurement of the inelastic proton-proton cross-section at √s = 7 TeV with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 3053 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 3053 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:proton; article; calculation; dissociation; elasticity; energy; hadron; measurement; scintillation
Año:2011
Volumen:2
Número:1
DOI: http://dx.doi.org/10.1038/ncomms1472
Título revista:Nature Communications
Título revista abreviado:Nat. Commun.
ISSN:20411723
CAS:proton, 12408-02-5, 12586-59-3
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20411723_v2_n1_p_Aad

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Citas:

---------- APA ----------
(2011) . Measurement of the inelastic proton-proton cross-section at √s = 7 TeV with the ATLAS detector. Nature Communications, 2(1).
http://dx.doi.org/10.1038/ncomms1472
---------- CHICAGO ----------
Aad, G. "Measurement of the inelastic proton-proton cross-section at √s = 7 TeV with the ATLAS detector" . Nature Communications 2, no. 1 (2011).
http://dx.doi.org/10.1038/ncomms1472
---------- MLA ----------
Aad, G. "Measurement of the inelastic proton-proton cross-section at √s = 7 TeV with the ATLAS detector" . Nature Communications, vol. 2, no. 1, 2011.
http://dx.doi.org/10.1038/ncomms1472
---------- VANCOUVER ----------
Aad, G. Measurement of the inelastic proton-proton cross-section at √s = 7 TeV with the ATLAS detector. Nat. Commun. 2011;2(1).
http://dx.doi.org/10.1038/ncomms1472