Search Results - "Fajfer, Svjetlana"

Muon g − 2 and scalar leptoquark mixing by Doršner, Ilja, Fajfer, Svjetlana, Sumensari, Olcyr

“…A bstract The observed muon anomalous magnetic moment deviates from the Standard Model predictions. There are two scalar leptoquarks with simultaneous…”
Get full text

Interplay of New Physics effects in (g − 2)ℓ and h → ℓ+ℓ− — lessons from SMEFT by Fajfer, Svjetlana, Kamenik, Jernej F., Tammaro, M.

“…A bstract We explore the interplay of New Physics (NP) effects in ( g − 2) ℓ and h → ℓ + ℓ − within the Standard Model Effective Field Theory (SMEFT)…”
Get full text

Leptoquark mechanism of neutrino masses within the grand unification framework by Doršner, Ilja, Fajfer, Svjetlana, Košnik, Nejc

“…We demonstrate the viability of the one-loop neutrino mass mechanism within the framework of grand unification when the loop particles comprise scalar…”
Get full text

The role of the S 3 GUT leptoquark in flavor universality and collider searches by Doršner, Ilja, Fajfer, Svjetlana, Faroughy, Darius A., Košnik, Nejc

“…Abstract We investigate the ability of the S 3 scalar leptoquark to address the recent hints of lepton universality violation in B meson decays. The S 3…”
Get full text

Novel leptoquark pair production at LHC by Doršner, Ilja, Fajfer, Svjetlana, Lejlić, Ajla

“…A bstract We introduce a novel mechanism for the leptoquark pair production at LHC that is of a t -channel topology and is quark-quark initiated. This…”
Get full text

A comparative study of the S1 and U1 leptoquark effects in the light quark regime by Doršner, Ilja, Fajfer, Svjetlana, Patra, Monalisa

“…We study the phenomenology of two leptoquarks, the Standard Model SU (2) singlets S 1 and U 1 , with regard to the latest experimental data from the low-energy…”
Get full text

Triple-leptoquark interactions for tree- and loop-level proton decays by Doršner, Ilja, Fajfer, Svjetlana, Sumensari, Olcyr

“…A bstract We study the impact of triple-leptoquark interactions on matter stability for two specific proton decay topologies that arise at the tree- and…”
Get full text

Implications of b → sμμ anomalies for future measurements of B→K(⁎)νν¯ and K→πνν by Descotes-Genon, Sébastien, Fajfer, Svjetlana, Kamenik, Jernej F., Novoa-Brunet, Martín

“…We investigate the consequences of deviations from the Standard Model observed in b→sμμ transitions for flavour-changing neutral-current processes involving…”
Get full text

Scalar leptoquarks: From GUT to B anomalies by Fajfer, Svjetlana

“…Leptoquarks are often used to explain B meson anomalies. The minimalistic approach assumes only one light leptoquark explaining both puzzles. However, one…”
Get full text

Light mediators in anomaly free U (1)X models. Part I. Theoretical framework by Correia, F.C., Fajfer, Svjetlana

“…A bstract We examine theoretical features of U (1) X extensions of the Standard Model whose quantum anomalies are canceled per generation. Similarly to other…”
Get full text

Theory Status - Puzzles in B Meson Decays and LFU? by Svjetlana Fajfer

“…Currently B meson puzzles motivate many studies of New Physics due to the observed deviations from the Standard Model predictions. There are two B meson…”
Get full text

Light mediators in anomaly free U (1)X models. Part II. Constraints on dark gauge bosons by Correia, F. C., Fajfer, Svjetlana

“…A bstract We consider experimental constraints in the MeV region in order to determine the parameter space for the U(1) X extension of the Standard Model,…”
Get full text

New Physics in CP violating and flavour changing quark dipole transitions by Fajfer, Svjetlana, Kamenik, Jernej F., Košnik, Nejc, Smolkovič, Aleks, Tammaro, Michele

“…A bstract We explore CP-violating (CPV) effects of heavy New Physics in flavour-changing quark dipole transitions, within the framework of Standard Model…”
Get full text

New physics models facing lepton flavor violating Higgs decays at the percent level by Doršner, Ilja, Fajfer, Svjetlana, Greljo, Admir, Kamenik, Jernej F., Košnik, Nejc, Nišandžić, Ivan

“…A bstract We speculate about the possible interpretations of the recently observed excess in the h → τμ decay. We derive a robust lower bound on the Higgs…”
Get full text

Correlating New Physics Effects in Semileptonic ∆C = 1 and ∆S = 1 Processes by Fajfer, Svjetlana, Kamenik, Jernej F., Korajac, Arman, Košnik, Nejc

“…A bstract We present constraints on the left-handed dimension-6 interactions that contribute to semileptonic and leptonic decays of K , D , pions and to…”
Get full text

Angular distributions of B‾→D(⁎)ℓν‾ℓ decays and search of New Physics by Bečirević, Damir, Fajfer, Svjetlana, Nišandžić, Ivan, Tayduganov, Andrey

“…We derive the expressions for the full angular distributions of B‾→Dℓν‾ℓ and B‾→D⁎ℓν‾ℓ decays and discuss the spectra on each angle separately. The coefficient…”
Get full text

Enhanced CP asymmetries in B→Kμ+μ by Bečirević, Damir, Fajfer, Svjetlana, Košnik, Nejc, Smolkovič, Aleks

“…We show that the current values of R K exp and R K ∗ exp can be accommodated by allowing a nonzero New Physics coupling δ C 9 μ μ to be complex, both in the…”
Get full text

Limits on scalar leptoquark interactions and consequences for GUTs by Doršner, Ilja, Drobnak, Jure, Fajfer, Svjetlana, Kamenik, Jernej F., Košnik, Nejc

“…A colored weak singlet scalar state with hypercharge 4/3 is one of the possible candidates for the explanation of the unexpectedly large forward-backward…”
Get full text

Heavy and light scalar leptoquarks in proton decay by Doršner, Ilja, Fajfer, Svjetlana, Košnik, Nejc

“…We list scalar leptoquarks which mediate proton decay via renormalizable couplings to the standard model fermions. We employ a general basis of baryon number…”
Get full text

Light Higgs and vector-like quarks without prejudice by Fajfer, Svjetlana, Greljo, Admir, Kamenik, Jernej F., Mustać, Ivana

“…A bstract Light vector-like quarks with non-renormalizable couplings to the Higgs are a common feature of models trying to address the electroweak (EW)…”
Get full text