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Related papers: Nuclear medium effects on the $\bar K^*$ meson

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The properties of the $\bar K^*$ meson in dense matter are studied using a unitary approach in coupled channels within the framework of the local hidden gauge formalism. We obtain the $\bar K^*$ spectral function in the nuclear medium and…

Nuclear Theory · Physics 2011-09-30 Laura Tolos , Raquel Molina , Eulogio Oset , Angels Ramos

We study the properties of $\bar K^*$ mesons in nuclear matter using a unitary approach in coupled channels within the framework of the local hidden gauge formalism and incorporating the $\bar K \pi$ decay channel in matter. The in-medium…

Nuclear Theory · Physics 2010-11-09 L. Tolos , R. Molina , E. Oset , A. Ramos

The properties of strange mesons ($K$, $\bar K$ and $\bar K^*$) in dense matter are studied using a unitary approach in coupled channels for meson-baryon scattering. The kaon-nucleon interaction incorporates $s$- and $p$-wave contributions…

Nuclear Theory · Physics 2011-03-10 L. Tolos , D. Cabrera , R. Molina , E. Oset , A. Ramos

The self-energy of the K^- meson in nuclear matter is calculated in a self-consistent microscopic approach, using a \bar{K}N interaction obtained from the lowest-order meson-baryon chiral Lagrangian. The effective \bar{K}N interaction in…

Nuclear Theory · Physics 2009-10-31 A. Ramos , E. Oset

We investigate the in-medium properties of strange vector mesons ($K^*$ and $\bar K^*$) in dense and hot nuclear matter based on chirally motivated models of the meson selfenergies. We parameterise medium effects as density or temperature…

High Energy Physics - Phenomenology · Physics 2015-06-18 Andrej Ilner , Daniel Cabrera , Pornrad Srisawad , Elena Bratkovskaya

The $\phi$ meson spectrum, which in vacuum is dominated by its coupling to the $\bar{K} K$ system, is modified in nuclear matter. Following a model based on chiral SU(3) dynamics we calculate the $\phi$ meson selfenergy in nuclear matter…

Nuclear Theory · Physics 2011-02-09 D. Cabrera , M. J. Vicente Vacas

We study the properties of $K$ and $\bar K$ mesons in nuclear matter at finite temperature from a chiral unitary approach in coupled channels which incorporates the $s$- and p-waves of the kaon-nucleon interaction. The in-medium solution…

Nuclear Theory · Physics 2008-11-26 L. Tolos , D. Cabrera , A. Ramos

The properties of strange ($K$, $\bar K$ and $\bar K^*$) and open-charm ($D$, $\bar D$ and $D^*$) mesons in dense matter are studied using a unitary approach in coupled channels for meson-baryon scattering. In the strangeness sector, the…

We have studied the decay of the \phi meson in nuclear matter by taking into account the renormalization of the K and \bar{K} mesons in the medium. We separate the contribution of the total width into different reaction channels, K\bar{K}…

Nuclear Theory · Physics 2009-11-06 E. Oset , A. Ramos

The vacuum spectrum of the $\phi$-meson is characterized by its decay into $K{\bar K} $. Modifications of the $K {\bar K}$-loops in baryonic matter change this spectrum. We calculate these in-medium modifications taking both s- and p-wave…

High Energy Physics - Phenomenology · Physics 2009-10-30 F. Klingl , T. Waas , W. Weise

The D-meson properties in dense nuclear matter are studied. The D-meson spectral density is obtained within the framework of a coupled-channel self-consistent calculation assuming, as bare meson-baryon interaction, a separable potential.…

High Energy Physics - Phenomenology · Physics 2009-01-07 L. Tolos , J. Schaffner-Bielich , A. Mishra

The first order self-energy corrections of the kaon in the symmetric nuclear matter are calculated from kaon-nucleon scattering matrix elements using a chiral Lagrangian within the framework of relativistic mean field approximation. It…

Nuclear Theory · Physics 2008-12-25 Yue-Lei Cui , Bao-Xi Sun

We study the properties of $D$ and $D^*$ mesons in nuclear matter within a simultaneous self-consistent coupled-channel unitary approach that implements heavy-quark symmetry. The in-medium solution accounts for Pauli blocking effects, and…

Nuclear Theory · Physics 2009-12-14 L. Tolos , C. Garcia-Recio , J. Nieves

Observing the mass shifts of mesons immersed in nuclear matter is interesting, as the changes are expected to shed light on the effects of chiral symmetry breaking on the origin of hadron masses. At the same time, it is important to…

Nuclear Theory · Physics 2025-08-08 Seokwoo Yeo , HyungJoo Kim , Su Houng Lee

We investigate probing the hot and dense nuclear matter with strange vector mesons ($K^*, \bar{K}^*$). Our analysis is based on PHSD which incorporates partonic and hadronic dof and describes the full dynamics of HICs. This allows to study…

High Energy Physics - Phenomenology · Physics 2019-03-06 Andrej Ilner , Justin Blair , Daniel Cabrera , Christina Markert , Elena Bratkovskaya

We obtain the width of the $\omega$ meson in dense nuclear matter by taking into account (i) the free decay of the $\omega$ into three pions, which is dominated by $\rho \pi$ mode, (ii) the processes induced by a vector-baryon interaction…

Nuclear Theory · Physics 2014-01-10 Laura Tolos , Raquel Molina , Eulogio Oset , Angels Ramos

The s- and p-wave contributions to the $\bar K N$ interaction in dense nuclear matter are obtained using a chiral unitary approach. We perform a self-consistent calculation of the $\bar K$ self-energy including Pauli blocking effects, meson…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Eulogio Oset

The meson meson interaction in the scalar isoscalar channel at finite baryonic density is studied in the framework of a chiral unitary approach which generates the f0 and sigma resonances and reproduces well the meson meson phase shifts in…

Nuclear Theory · Physics 2007-05-23 M. J. Vicente Vacas , E. Oset

We show how the nuclear medium affects the masses of the $\eta$ and $\eta'$ mesons. The change should be easily detectable for dense matter and/or strong $\eta(\eta')N\bar N$ coupling. We also find that the $\eta-\eta'$ mixing angle is less…

Nuclear Theory · Physics 2007-05-23 Vivek Kumar Tiwari , Anirban Kundu

We have studied the feasibility of the experimental determination of the width of a $D$ meson in a nuclear medium by using the method of the nuclear transparency. The cross section for inclusive production of a $D^+$ in different nuclei is…

Nuclear Theory · Physics 2025-01-08 Victor Montesinos , Natsumi Ikeno , Eulogio Oset , Miguel Albaladejo , Juan Nieves , Laura Tolos
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