280 citations · 1.9k across the 29 of their papers we have counts for
25 papers · 1 filter
Reactor neutrino oscillations as constraints on Effective Field Theory
Adam Falkowski, Martín González-Alonso, Zahra Tabrizi
We study constraints on the Standard Model Effective Field Theory (SMEFT) from neutrino oscillations in short-baseline reactor experiments. We calculate the survival probability of…
The CKM parameters in the SMEFT
Sébastien Descotes-Genon, Adam Falkowski, Marco Fedele +2
The extraction of the Cabibbo-Kobayashi-Maskawa (CKM) matrix from flavour observables can be affected by physics beyond the Standard Model (SM). We provide a general roadmap to tak…
Hadronic tau decays as New Physics probes in the LHC era
Vincenzo Cirigliano, Adam Falkowski, Martín González-Alonso +1
We analyze the sensitivity of hadronic tau decays to non-standard interactions within the model-independent framework of the Standard Model Effective Field Theory (SMEFT). Both exc…
Adding Pseudo-Observables to the Four-Lepton Experimentalist's Toolbox
James S. Gainer, Martín González-Alonso, Admir Greljo +12
The "golden" channel, in which the newly-discovered Higgs boson decays to four leptons by means of intermediate vector bosons, is important for determining the properties of the Hi…
New physics searches in nuclear and neutron decay
Martin Gonzalez-Alonso, Oscar Naviliat-Cuncic, Nathal Severijns
The status of tests of the standard electroweak model and of searches for new physics in allowed nuclear decay and neutron decay is reviewed including both theoretical and expe…
Compilation of low-energy constraints on 4-fermion operators in the SMEFT
Adam Falkowski, Martín González-Alonso, Kin Mimouni
We compile information from low-energy observables sensitive to flavor-conserving 4-fermion operators with two or four leptons. Our analysis includes data from e+e- colliders, neut…
Anomalous Triple Gauge Couplings in the Effective Field Theory Approach at the LHC
Adam Falkowski, Martin Gonzalez-Alonso, Admir Greljo +2
We discuss how to perform consistent extractions of anomalous triple gauge couplings (aTGC) from electroweak boson pair production at the LHC in the Standard Model Effective Field…
Global Effective-Field-Theory analysis of New-Physics effects in (semi)leptonic kaon decays
Martín González-Alonso, Jorge Martin Camalich
We analyze the decays and (, ) using a low-energy Effective-Field-Theory approach to parametrize New Physics and study the complementari…
Updated determination of chiral couplings and vacuum condensates from hadronic tau decay data
A. Rodríguez-Sánchez, M. González-Alonso, A. Pich
We analyze the lowest spectral moments of the left-right two-point correlation function, using all known short-distance constraints and the recently updated ALEPH V-A spectral func…
Global constraints on anomalous triple gauge couplings in effective field theory approach
Adam Falkowski, Martin Gonzalez-Alonso, Admir Greljo +1
We present a combined analysis of LHC Higgs data (signal strengths) together with LEP-2 WW production measurements. To characterize possible deviations from the Standard Model (SM)…
Electroweak bounds on Higgs pseudo-observables and decays
Martin Gonzalez-Alonso, Admir Greljo, Gino Isidori +1
We analyze the bounds on the Higgs pseudo-observables following from electroweak constraints, under the assumption that the Higgs particle is the massive excitation of an …
Beyond-Standard-Model Tensor Interaction and Hadron Phenomenology
Aurore Courtoy, Stefan Baessler, Martin Gonzalez-Alonso +1
We evaluate the impact of recent developments in hadron phenomenology on extracting possible fundamental tensor interactions beyond the standard model. We show that a novel class o…
Non-standard semileptonic hyperon decays
Hsi-Ming Chang, Martin González-Alonso, Jorge Martin Camalich
We investigate the discovery potential of semileptonic hyperon decays in terms of searches of new physics at teraelectronvolt scales. These decays are controlled by a small …
Pseudo-observables in Higgs decays
Martin Gonzalez-Alonso, Admir Greljo, Gino Isidori +1
We define a set of pseudo-observables characterizing the properties of Higgs decays in generic extensions of the Standard Model with no new particles below the Higgs mass. The pseu…
The spectrum at low : Standard Model vs. light New Physics
Martin Gonzalez-Alonso, Gino Isidori
We analyze decays in the kinematical region where the dilepton pair of low invariant mass () is not far from QCD resonances ( and states). On the one ha…
Non-standard Charged Current Interactions: beta decays versus the LHC
Vincenzo Cirigliano, Martín González-Alonso, Michael L. Graesser
We discuss low-energy and collider constraints on the effective couplings characterizing non-standard charged current interactions. A direct comparison of low-energy and LHC probes…
U(2)^5 flavor symmetry and lepton universality violation in W -> tau nu_tau
Alberto Filipuzzi, Martin Gonzalez-Alonso, Jorge Portoles
The seeming violation of universality in the tau lepton coupling to the W boson suggested by LEP II data is studied using an Effective Field Theory (EFT) approach. Within this fram…
Probing Novel Scalar and Tensor Interactions from (Ultra)Cold Neutrons to the LHC
Tanmoy Bhattacharya, Vincenzo Cirigliano, Saul D. Cohen +5
Scalar and tensor interactions were once competitors to the now well-established V-A structure of the Standard Model weak interactions. We revisit these interactions and survey con…
Gauge Origin of M-Parity and the mu-Term in Supersymmetry
Pavel Fileviez Perez, Martin Gonzalez-Alonso, Sogee Spinner
In this article we present a simple theoretical framework where the origin of the mu-term and the matter-parity violating interactions of the minimal supersymmetric standard model…
Pinched weights and Duality Violation in QCD Sum Rules: a critical analysis
Martin Gonzalez-Alonso, Antonio Pich, Joaquim Prades
We analyze the so-called pinched weights, that are generally thought to reduce the violation of quark-hadron duality in Finite-Energy Sum Rules. After showing how this is not true…
Violation of Quark-Hadron Duality and Spectral Chiral Moments in QCD
Martin Gonzalez-Alonso, Antonio Pich, Joaquim Prades
We analyze the spectral moments of the V-A two-point correlation function. Using all known short-distance constraints and the most recent experimental data from tau decays, we dete…
New Physics bounds from the combination of CKM-universality and high energy data
Martin Gonzalez-Alonso
Through an effective field theory approach, we analyze the new physics corrections to muon and beta decays and their effects on the extractions of V_ud and V_us. Assuming nearly fl…
From hadronic tau decays to the chiral couplings L_10 and C_87
M. Gonzalez-Alonso, A. Pich, J. Prades
A sum rule analysis of the hadronic tau-decay data can be used to determine the low-energy constants L10(mu) and C87(mu). These constants are QCD chiral-order parameters, which app…
Determination of the Chiral Couplings L_10 and C_87 from Semileptonic Tau Decays
Martin Gonzalez-Alonso, Antonio Pich, Joaquim Prades
Using recent precise hadronic tau-decay data on the V-A spectral function, and general properties of QCD such as analyticity, the operator product expansion and chiral perturbation…