A new method for indirect mass measurements using the integral charge asymmetry at the LHC

Abstract : Processes producing a charged final state at the LHC most often have a positive or null integral charge asymmetry. We propose a novel method for an indirect measurement of the mass of these final states based upon the process integral charge asymmetry. We present this method in three stages. Firstly, the theoretical prediction of the integral charge asymmetry and its related uncertainties are studied through parton level cross sections calculations. Secondly, the experimental extraction of the integral charge asymmetry of a given signal, in the presence of some background, is performed using particle level simulations. Process dependent templates enable to convert the measured integral charge asymmetry into an estimated mass of the charged final state. Thirdly, a combination of the experimental and the theoretical uncertainties determines the full uncertainty of the indirect mass measurement. This new method applies to all charged current processes at the LHC. In this article, we demonstrate its effectiveness at extracting the mass of the W boson, as a first step, and the sum of the masses of a chargino and a neutralino in case these supersymmetric particles are produced by pair, as a second step.
Type de document :
Article dans une revue
Journal of High Energy Physics, Springer Verlag (Germany), 2016, pp.2016: 179. 〈10.1007/JHEP04(2016)179〉
Liste complète des métadonnées

Littérature citée [60 références]  Voir  Masquer  Télécharger

http://hal.in2p3.fr/in2p3-01313683
Contributeur : Steve Muanza <>
Soumis le : mardi 10 mai 2016 - 11:52:31
Dernière modification le : lundi 19 février 2018 - 15:25:11
Document(s) archivé(s) le : mercredi 25 mai 2016 - 08:15:11

Fichier

JHEP04(2016)179.pdf
Fichiers produits par l'(les) auteur(s)

Licence


Copyright (Tous droits réservés)

Identifiants

Collections

Citation

Steve Muanza, Thomas Serre. A new method for indirect mass measurements using the integral charge asymmetry at the LHC. Journal of High Energy Physics, Springer Verlag (Germany), 2016, pp.2016: 179. 〈10.1007/JHEP04(2016)179〉. 〈in2p3-01313683〉

Partager

Métriques

Consultations de la notice

132

Téléchargements de fichiers

59