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Showing 2016 · hep-phShow all

16 papers · 2 filters

hep-ph2016★ 19 cited

Correlated wounded hot spots in proton-proton interactions

Javier L. Albacete, Hannah Petersen, Alba Soto-Ontoso

We investigate the effect of non-trivial spatial correlations between proton constituents, considered in this work to be gluonic hot spots, on the initial conditions of proton-prot…

hep-ph2016

Heavy Quark Coupled Channel Dynamics from Thermal Shifts

Enrique Ruiz Arriola, Lorenzo Luis Salcedo, Eugenio Megias

QCD at finite temperature below the phase transition should be determined in terms of colour singlet states such as hadrons and strings. We show how quark-hadron duality allows ext…

hep-ph2016★ 2 cited

Dark matter and the neutrino portal paradigm

Vannia González-Macías, José Illana, José Wudka

A simple extension of the Standard Model (SM) that provides an explicit realization of the dark-matter (DM) neutrino-portal paradigm is presented. The leading interactions between…

hep-ph2016★ 22 cited

Golden Probe of Electroweak Symmetry Breaking

Yi Chen, Joe Lykken, Maria Spiropulu +2

The ratio of the Higgs couplings to and pairs, , is a fundamental parameter in electroweak symmetry breaking as well as a measure of the (approximate) custodial s…

hep-ph2016★ 7 cited

Traces of a triboson resonance

J. A. Aguilar-Saavedra, J. H. Collins, S. Lombardo

We show that the relatively small but coincident excesses observed around 2 TeV in the ATLAS Run 1 and Run 2 hadronic diboson searches --- when a cut on the number of tracks in the…

hep-ph2016★ 63 cited

Hot spots and the hollowness of proton-proton interactions at high energies

Javier L. Albacete, Alba Soto-Ontoso

We present a dynamical explanation of the hollowness effect observed in proton-proton scattering at TeV. This phenomenon, not observed at lower energies, consists i…

hep-ph2016★ 10 cited

Ultra-forward particle production from CGC+Lund fragmentation

Javier L. Albacete, Pablo Guerrero Rodríguez, Yasushi Nara

We present an analysis of data on single inclusive pion production measured by the LHCf collaboration in high-energy proton-proton and proton-nucleus at ultra-forward rapidities, $…

hep-ph2016★ 200 cited

Warm Little Inflaton

Mar Bastero-Gil, Arjun Berera, Rudnei O. Ramos +1

We show that inflation can naturally occur at a finite temperature T>H that is sustained by dissipative effects, when the inflaton field corresponds to a pseudo Nambu-Goldstone bos…

hep-ph2016★ 26 cited

Generalized Valon Model for Double Parton Distributions

Wojciech Broniowski, Enrique Ruiz Arriola, Krzysztof Golec-Biernat

We show how the double parton distributions may be obtained consistently from the many-body light-cone wave functions. We illustrate the method on the example of the pion with two…

hep-ph2016★ 5 cited

Heavy quark-antiquark free energy and thermodynamics of string-hadron avoided crossings

E. Megias, E. Ruiz Arriola, L. L. Salcedo

The correlation function between two Polyakov loops encodes the free-energy shift due to a pair of separated colour conjugated sources in the hot QCD medium. This is analyzed in te…

hep-ph2016★ 22 cited

Diphoton and Diboson Probes of Fermiophobic Higgs Bosons at the LHC

Antonio Delgado, Mateo Garcia-Pepin, Mariano Quiros +2

Extensions of the Standard Model Higgs sector with electroweak charged scalars can possess exotic `Higgs' bosons with vanishing or suppressed couplings to Standard Model fermions.…

hep-ph2016★ 87 cited

One-loop effective lagrangians after matching

Francisco del Aguila, Zoltan Kunszt, Jose Santiago

We discuss the limitations of the covariant derivative expansion prescription advocated to compute the one-loop Standard Model (SM) effective lagrangian when the heavy fields coupl…

hep-ph2016★ 31 cited

Multiboson production in W' decays

J. A. Aguilar-Saavedra, F. R. Joaquim

In models with an extra gauge group and an extended scalar sector, the cascade decays of the boson can provide various multiboson signals. In particular, dibo…

hep-ph2016★ 21 cited

The Virtual Diphoton Excess

Daniel Stolarski, Roberto Vega-Morales

Interpreting the excesses around 750 GeV in the diphoton spectra to be the signal of a new heavy scalar decaying to photons, we point out the possibility of looking for correlated…

hep-ph2016★ 62 cited

A realistic model for Dark Matter interactions in the neutrino portal paradigm

Vannia González-Macías, José I. Illana, José Wudka

We discuss a simple extension of the Standard Model (SM) that provides an explicit realization of the dark-matter (DM) neutrino-portal paradigm. The dark sector is composed of a sc…

hep-ph2016★ 15 cited

Asking for an extra photon in Higgs production at the LHC and beyond

Emidio Gabrielli, Barbara Mele, Fulvio Piccinini +1

We study the inclusive production of a Higgs boson in association with a high- photon at the LHC, detailing the leading-order features of the main processes contributing to th…