Search for single production of scalar leptoquarks in proton-proton collisions at root s=8 TeV

Torna indietro

Abstract

A search is presented for the production of both first- and second-generation scalar leptoquarks with a final state of either two electrons and one jet or two muons and one jet. The search is based on a data sample of proton-proton collisions at center-of-mass energy root s = 8 TeV recorded with the CMS detector and corresponding to an integrated luminosity of 19.6 fb(-1). Upper limits are set on both the first- and second-generation leptoquark production cross sections as functions of the leptoquark mass and the leptoquark couplings to a lepton and a quark. Results are compared with theoretical predictions to obtain lower limits on the leptoquark mass. At 95 confidence level, single production of first- generation leptoquarks with a coupling and branching fraction of 1.0 is excluded for masses below 1730 GeV, and second-generation leptoquarks with a coupling and branching fraction of 1.0 is excluded for masses below 530 GeV. These are the best overall limits on the production of first-generation leptoquarks to date.

Autore Pugliese

Tutti gli autori

  • POMPILI A.;CALABRIA C.;CAPUTO C.;MINIELLO G.;SELVAGGI G.;CRISTELLA L.;ABBRESCIA M.;DE PALMA M.;RADOGNA R.;VENDITTI R.;MY S.;NUZZO S.V.;CHHIBRA S.S

Titolo volume/Rivista

Non Disponibile

Anno di pubblicazione

2016

ISSN

2470-0010

ISBN

Non Disponibile

Numero di citazioni Wos

13

Ultimo Aggiornamento Citazioni

Non Disponibile

Numero di citazioni Scopus

19

Ultimo Aggiornamento Citazioni

Non Disponibile

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile