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Cornering scalar leptoquarks at LHC (CROSBI ID 218774)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Doršner, Ilja ; Fajfer, Svjetlana ; Greljo, Admir Cornering scalar leptoquarks at LHC // The Journal of high energy physics, (2014), 154-1-154-. doi: 10.1007/JHEP10(2014)154

Podaci o odgovornosti

Doršner, Ilja ; Fajfer, Svjetlana ; Greljo, Admir

engleski

Cornering scalar leptoquarks at LHC

We study implications of large lepton-quark-leptoquark couplings for direct leptoquark searches at Large Hadron Collider. We present all existing flavor constraints on the strength of these couplings assuming that leptoquarks under consideration interact exclusively with charged leptons and quarks of the same generation. We find that these leptoquarks can have sizeable couplings to the Standard Model fermions. This insures a self consistency of our study. We discuss the leptoquark production mechanisms at LHC and demonstrate the importance of inclusion of a t-channel pair production and, in particular, a single leptoquark production through a recast of an existing CMS search at LHC for the second generation leptoquark. Our recast yields the best direct limit on Yukawa coupling of the second generation leptoquark that couples to a muon and a strange quark to date.

Phenomenological Models; Hadronic Colliders

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Podaci o izdanju

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2014.

154-1-154-

objavljeno

1029-8479

10.1007/JHEP10(2014)154

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Fizika

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