Publications (56)
Recent progress on in-medium properties of heavy mesons from finite-temperature EFTs
Gloria Montana, Angels Ramos, Laura Tolos +1
Mesons with heavy flavor content are an exceptional probe of the hot QCD medium produced in heavy-ion collisions. In the past few years, significant progress has been made toward d…
The in-medium interaction within a chiral unitary approach
Laura Tolos, Angels Ramos, Eulogio Oset
The s- and p-wave contributions to the interaction in dense nuclear matter are obtained using a chiral unitary approach. We perform a self-consistent calculation of the…
X(3872) in a hot pion bath
Martin Cleven, Volodymyr K. Magas, Angels Ramos
Right since its discovery in 2003 by the Belle collaboration, establishing the nature of the meson has been one of the main priorities in the field of quarkonium physics.…
Kaon Condensation in Neutron Stars
Angels Ramos, Jurgen Schaffner-Bielich, Jochen Wambach
We discuss the kaon-nucleon interaction and its consequences for the change of the properties of the kaon in the medium. The onset of kaon condensation in neutron stars under vario…
and mesons in hot and dense matter
Laura Tolos, Angels Ramos, Tetsuro Mizutani
The and mesons are studied in hot dense matter within a self-consistent coupled-channel approach taking, as bare interaction, a broken SU(4) s-wave Tomozawa-Weinberg…
Open-charm Euclidean correlators within heavy-meson EFT interactions
Glòria Montaña, Olaf Kaczmarek, Laura Tolos +1
The open-charm Euclidean correlators have been computed for the first time using the thermal spectral functions extracted from a finite-temperature self-consistent unitarized appro…
Chiral approach to antikaons in dense matter
Laura Tolos, Angels Ramos, Eulogio Oset
Antikaons in dense nuclear matter are studied using a chiral unitary approach which incorporates the - and p-waves of the interaction. We include, in a self-consisten…
Hyperonic uncertainties in neutron stars, mergers and supernovae
Hristijan Kochankovski, Angels Ramos, Laura Tolos
In this work we delve into the temperature-dependent Equation of State (EoS) of baryonic matter within the framework of the FSU2H hadronic model, which comprehensively incorpor…
, , and their bottom partners at finite temperature
Gloria Montaña, Angels Ramos, Laura Tolos +1
The properties of the and its spin partner, the , are studied both in vacuum and at finite temperature. Using an effective hadron theory based on the hidden-gaug…
Properties of open and hidden charm mesons in light quark matter
Martin Cleven, Volodymyr K. Magas, Angels Ramos
In this work we study the implications of light-quark pionic matter at finite temperatures on the properties of open and hidden charm mesons. The meson-meson interactions are descr…
Heavy mesons in dense matter
Laura Tolos, Daniel Gamermann, Carmen Garcia-Recio +4
Charmed mesons in dense matter are studied within a unitary coupled-channel approach which takes into account Pauli-blocking effects and meson self-energies in a self-consistent ma…
Equation of state for hot hyperonic neutron star matter
Hristijan Kochankovski, Angels Ramos, Laura Tolos
The FSU2H equation-of-state model, originally developed to describe cold neutron star matter with hyperonic cores, is extended to finite temperature. Results are presented for a wi…
What makes the peak structure of the invariant-mass spectrum in the reaction?
Takayasu Sekihara, Eulogio Oset, Angels Ramos
Recently a peak structure was observed near the threshold in the in-flight reaction of the E15 experiment at J-PARC, which could be…
The antikaon nuclear potential in hot and dense matter
Laura Tolos, Angels Ramos, Artur Polls
The antikaon optical potential in hot and dense nuclear matter is studied within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interac…
Further Theoretical Analysis on the Reaction for the Bound-State Search in the J-PARC E15 Experiment
Takayasu Sekihara, Eulogio Oset, Angels Ramos
Based on the scenario that a bound state is generated and it eventually decays into , we calculate the cross section of the re…
Partial wave contributions to the antikaon potential at finite momentum
Laura Tolos, Angels Ramos, Artur Polls +1
The momentum dependence of the antikaon optical potential in nuclear matter is obtained from a microscopic and self-consistent calculation using the meson-exchange Jülich $\bar{K}…
Temperature dependence of the properties of open heavy-flavor mesons
Gloria Montana, Angels Ramos, Laura Tolos +1
We address the modification of open heavy-flavor mesons in a hot medium of light mesons within an effective theory approach consistent with chiral and heavy-quark spin-flavor symme…
Strange and heavy mesons in hadronic matter
Daniel Cabrera, Luciano M. Abreu, Elena Bratkovskaya +5
We present selected results on the properties of strange and heavy-flavoured mesons in a hot and dense nuclear medium, with emphasis in selfconsistent coupled-channel approaches ba…
Properties of heavy mesons at finite temperature
Gloria Montaña, Angels Ramos, Laura Tolos
We study the properties of heavy mesons using a unitarized approach in a hot pionic medium, based on an effective hadronic theory. The interaction between the heavy mesons and pseu…
The impact of hyperons on neutron star mergers: gravitational waves, mass ejection and black hole formation
Hristijan Kochankovski, Georgios Lioutas, Sebastian Blacker +3
We study the influence of hyperons in binary neutron star (NS) mergers considering a total of 14 temperature dependent equations of state (EoSs) models which include hyperonic degr…
Thermal behavior as indicator for hyperons in binary neutron star merger remnants
Sebastian Blacker, Hristijan Kochankovski, Andreas Bauswein +2
We provide the first comprehensive study of hyperons in neutron star mergers and quantify their specific impact. We discuss the thermal behavior of hyperonic equations of state~(Eo…
Hyperonic equation of state at finite temperature for neutron stars
Hristijan Kochankovski, Angels Ramos, Laura Tolos
We review the composition and the equation of state of the hyperonic core of neutron stars at finite temperature within a relativistic mean-field approach. We make use of the new F…
Weak decays of heavy hadrons into dynamically generated resonances
Eulogio Oset, Wei-Hong Liang, Melahat Bayar +24
In this review we give a perspective of the theoretical work done recently on the interpretation of results from , , , weak decays into final states that contain…
A two-body femtoscopy approach to the proton-deuteron correlation function
Juan M. Torres-Rincon, Angels Ramos, Joel RufÃ
The proton-deuteron correlation function measured by the ALICE collaboration in high multiplicity p+p collisions shows a momentum dependence which is in contradiction with the pred…
Hyperons in neutron star mergers
Hristijan Kochankovski, Angels Ramos, Laura Tolos +2
We discuss the effects induced by the potential presence of hyperons in hot and ultra-dense matter within the context of neutron star mergers. Specifically, we address their effect…
The entropy of a correlated system of nucleons
Arnau Rios, Artur Polls, Angels Ramos +1
Realistic nucleon-nucleon interaction induce correlations to the nuclear many-body system which lead to a fragmentation of the single-particle strength over a wide range of energie…
The Peak Structure in the In-Flight Reaction Around the Threshold
Takayasu Sekihara, Eulogio Oset, Angels Ramos
We theoretically investigate the origin of the peak structure around the threshold observed in the in-flight reaction in the rece…
Equation of State for Nucleonic and Hyperonic Neutron Stars with Mass and Radius Constraints
Laura Tolos, Mario Centelles, Angels Ramos
We obtain a new equation of state for the nucleonic and hyperonic inner core of neutron stars that fulfills the 2 observations as well as the recent determinations of st…
Heavy Mesons in Nuclear Matter and Nuclei
Laura Tolos, Daniel Cabrera, Carmen Garcia-Recio +7
Heavy mesons in nuclear matter and nuclei are analyzed within different frameworks, paying a special attention to unitarized coupled-channel approaches. Possible experimental signa…
Review of low-energy interaction of strange and charm hadrons with nucleons and nuclei
Laura Tolos, Carmen Garcia-Recio, Raquel Molina +4
The properties of strange and charm mesons in nuclear matter and nuclei are reviewed. Different frameworks are presented and discussed paying a special attention to unitarized coup…
Properties of in light quark matter
Martin Cleven, Volodymyr K. Magas, Angels Ramos
With various experiments studying heavy-ion collisions a demand exists in the hadron physics community for theoretical predictions of hadronic properties at temperatures and densit…
Finite-temperature equation of state with hyperons
Hristijan Kochankovski, Angels Ramos, Laura Tolos
We present the novel finite-temperature FSU2H equation-of-state model that covers a wide range of temperatures and lepton fractions for the conditions in proto-neutron stars, n…
On the structure observed in the in-flight reaction at J-PARC
Takayasu Sekihara, Eulogio Oset, Angels Ramos
A theoretical investigation is done to clarify the origin of the peak structure observed near the threshold in the in-flight react…
Open charm in nuclear matter at finite temperature
Laura Tolos, Angels Ramos, Tetsuro Mizutani
We study the properties of open-charm mesons ( and ) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon intera…
The interaction in higher partial waves
Albert Feijoo, Daniel Gazda, Volodymyr Magas +1
We present a chiral interaction model that has been developed and optimized in order to account for the experimental data of inelastic reaction channels tha…
meson-baryon interaction and the role of isospin filtering processes
Albert Feijoo, Volodymyr Magas, Angels Ramos
A study of the meson-baryon interaction in the sector is performed, employing a chiral SU(3) lagrangian up to next-to-leading order (NLO) and implementing unitarization in c…
Exotic baryons from meson-baryon scattering
Gloria Montana, Angels Ramos, Albert Feijoo
A meson-baryon interaction in the charm , strangeness and isospin sector is built from a t-channel vector meson exchange model employing effective Lagrangians. The imp…
Moat hyperons in cold neutron stars
Hristijan Kochankovski, Angels Ramos, Laura Tolos
We investigate the hyperonic equation of state within the non-linear derivative model that incorporates a momentum dependence on the interactions, with a special emphasis on proper…
The width of the meson in dense matter
Laura Tolos, Raquel Molina, Eulogio Oset +1
We obtain the width of the meson in dense nuclear matter by taking into account (i) the free decay of the into three pions, which is dominated by mode, (ii) the pr…
Femtoscopy study of and interactions
Pablo Encarnacion, Albert Feijoo, Angels Ramos
We have calculated the femtoscopic correlation functions of meson-baryon pairs in the strangeness sector, employing a unitarized chiral interaction model up to next-to-leadi…
Cooling of Small and Massive Hyperonic Stars
Rodrigo Negreiros, Laura Tolos, Mario Centelles +2
We perform cooling simulations for isolated neutron stars using recently developed equations of state for their core. The equations of state are obtained from new parametrizations…
Femtoscopy of and systems
Mikel F. Barbat, Juan M. Torres-Rincon, Angels Ramos +1
The capability of the ALICE@LHC and STAR@RHIC experiments to reconstruct mesons has enabled femtoscopic correlation measurements of open-charm mesons in both small and large sy…
Self-consistent coupled-channel approach to and in hot dense matter
Laura Tolos, Angels Ramos, Tetsuro Mizutani
A self-consistent coupled-channel approach is used to study the properties of and mesons in hot dense matter. The starting point is a broken SU(4) s-wave Tomozawa-Wein…
The Equation of State for the Nucleonic and Hyperonic Core of Neutron Stars
Laura Tolos, Mario Centelles, Angels Ramos
We reexamine the equation of state for the nucleonic and hyperonic inner core of neutron stars that satisfies the 2 observations as well as the recent determinations of…
ratio in heavy-ion collisions at GSI with an antikaon self-energy in hot and dense matter
Laura Tolós, Artur Polls, Angels Ramos +1
The ratio produced in heavy-ion collisions at GSI energies is studied. The in-medium properties at finite temperature of the hadrons involved are included, paying a speci…
The molecular nature of some states
Gloria Montana, Angels Ramos, Albert Feijoo
A vector meson exchange model based on effective Lagrangians is used to build the meson--baryon interaction in the charm , strangeness and isospin sector. The s-wave s…
Hyperonic degrees of freedom in binary neutron star mergers
Laura Tolos, Hristijan Kochankovski, Angels Ramos +3
We analyze the influence of hyperons in binary neutron star mergers considering several different equations of state that include hyperons. By running a large set of simulations, w…
Interplay between Particles and Hyperons in Neutron Stars
Patricia Ribes, Angels Ramos, Laura Tolos +2
We analyze the effects of including isobars in an equation of state (EoS) for cold, -stable neutron star matter, employing relativistic nuclear mean field theory. Th…
The effect of the in-medium pentaquark on the kaon optical potential
Laura Tolos, Daniel Cabrera, Angels Ramos +1
The kaon nuclear optical potential is studied including the effect of the pentaquark. The one-nucleon contribution is obtained using an extension of the Jülich meson-exchan…
Strangeness and charm at FAIR
Laura Tolos, Daniel Cabrera, Daniel Gamermann +4
We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and tempera…
Strangeness and Charm in Nuclear Matter
Laura Tolos, Daniel Cabrera, Carmen Garcia-Recio +6
The properties of strange (, and ) and open-charm (, and ) mesons in dense matter are studied using a unitary approach in coupled channels fo…
The Equation of State and Cooling of Hyperonic Neutron Stars
Laura Tolos, Mario Centelles, Angels Ramos +2
We present two recent parametrizations of the equation of state (FSU2R and FSU2H models) that reproduce the properties of nuclear matter and finite nuclei, fulfill constraints on h…
meson in nuclear matter
Laura Tolos, Raquel Molina, Eulogio Oset +1
The properties of the meson in dense matter are studied using a unitary approach in coupled channels within the framework of the local hidden gauge formalism. We obtain…
Bulk and single-particle properties of hyperonic matter at finite temperature
Arnau Rios, Artur Polls, Angels Ramos +1
Bulk and single-particle properties of hot hyperonic matter are studied within the Brueckner-Hartree-Fock approximation extended to finite temperature. The bare interaction in the…
Theoretical analysis on the reaction for the bound-state search in the J-PARC E15 experiment
Takayasu Sekihara, Eulogio Oset, Angels Ramos
We theoretically analyze the reaction for the bound-state search in the J-PARC E15 experiment. We find that, by detecting a fast an…
Charm mesons at FAIR
Laura Tolos, Angels Ramos, Tetsuro Mizutani
The in-medium properties of charm mesons ( and ) in a hot and dense matter are studied. A self-consistent coupled-channel approach is driven by a broken SU(4) s-wave Tom…