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Related papers: Pseudoscalar and vector open-charm mesons at finit…

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We investigate the masses of the pseudoscalar ($D$($D^0$, $D^+$), $\bar{D}$($\bar{D^0}$, $D^-$) and vector open charm mesons ($D^*$($D^{*0}$, $D^{*+}$), ${\bar{D}}^*$(${\bar{D}}^{*0}$, $D^{*-}$) as well as the pseudoscalar ($\eta_c(1S)$,…

High Energy Physics - Phenomenology · Physics 2023-01-06 Amal Jahan C. S. , Amruta Mishra

We study $D$ and $D_s$ mesons at finite temperature using an effective field theory based on chiral and heavy-quark spin-flavor symmetries within the imaginary-time formalism. Interactions with the light degrees of freedom are unitarized…

High Energy Physics - Phenomenology · Physics 2020-05-27 Glòria Montaña , Àngels Ramos , Laura Tolos , Juan M. Torres-Rincon

We study the spectroscopy and transport properties of charmed mesons in a thermal medium by applying an effective field theory based on chiral and heavy-quark symmetries in the imaginary time formalism. Relying on unitarity constraints and…

High Energy Physics - Phenomenology · Physics 2022-09-21 Juan M. Torres-Rincon , Glòria Montaña , Àngels Ramos , Laura Tolos

The properties of open charm mesons, $D$, $\bar D$, $D_s$ and $\bar D_s$ in nuclear matter at finite temperature are studied within a self-consistent coupled-channel approach. The interaction of the low lying pseudoscalar mesons with the…

High Energy Physics - Phenomenology · Physics 2011-08-09 C. E. Jiménez-Tejero , A. Ramos , L. Tolós , I. Vidaña

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 symmetries and the use of the imaginary time formalism to…

High Energy Physics - Phenomenology · Physics 2022-02-16 Gloria Montana , Angels Ramos , Laura Tolos , Juan M. Torres-Rincon

We present a $U(4)_R \times U(4)_L$ chirally symmetric model, which in addition to scalar and pseudoscalar mesons also includes vector and axial-vector mesons. A part from the three new parameters pertaining to the charm degree of freedom,…

High Energy Physics - Phenomenology · Physics 2015-06-23 Walaa I. Eshraim

Combining heavy quark effective theory and the chiral Lagrangian approach we investigate radiative decays of pseudoscalar $D$ mesons. We first reanalyse $D^{*} \rightarrow D \gamma$ decays within the effective Lagrangian approach using…

High Energy Physics - Phenomenology · Physics 2009-10-28 B. Bajc , S. Fajfer , R. J. Oakes

We study the properties of charmed pseudoscalar and vector mesons in dense matter within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3)…

Nuclear Theory · Physics 2015-06-11 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

Determining the type of excitations that can exist in a thermal medium is key to understanding how hadronic matter behaves at extreme temperatures. In this work we study this question for pseudo-scalar mesons comprised of light-strange and…

High Energy Physics - Lattice · Physics 2024-06-04 Dibyendu Bala , Olaf Kaczmarek , Peter Lowdon , Owe Philipsen , Tristan Ueding

We compute the masses of the pseudoscalar mesons $\pi^+$ , $K^0$ and $D^+$ at finite temperature and baryon chemical potential. The computations are based on a symmetry- preserving Dyson-Schwinger equation treatment of a vector-vector four…

Nuclear Theory · Physics 2017-03-27 Fernando E. Serna , Gastão Krein

Utilizing QCD sum rules, we extract the temperature dependences of the spectral properties of the pseudo-scalar and scalar D mesons regarded as chiral partners. Besides the masses also decay constants are analyzed as the D meson yields in…

Nuclear Theory · Physics 2018-07-10 Thomas Buchheim , Thomas Hilger , Burkhard Kampfer , Stefan Leupold

We investigate the in-medium masses of the pseudoscalar $(D,{\bar D},D_s^{\pm})$, and vector $(D^*,\bar{D}^*, D_s^{*\pm})$, open charm mesons in isospin asymmetric magnetized nuclear matter, accounting for the effects of Dirac sea. The…

High Energy Physics - Phenomenology · Physics 2023-08-23 Sourodeep De , Pallabi Parui , Amruta Mishra

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 pseudoscalar Goldstone bosons is described by a chiral…

High Energy Physics - Phenomenology · Physics 2019-10-04 Gloria Montaña , Angels Ramos , Laura Tolos

Chiral thermodynamics of charmed mesons is formulated at finite temperature within a $2+1+1$-flavored effective Lagrangian incorporating heavy quark symmetry. The charmed-meson mean fields act as an extra source which breaks the chiral…

High Energy Physics - Phenomenology · Physics 2015-06-22 Chihiro Sasaki

We study the in-medium properties of $D$ and $\bar{D}$ mesons in isospin-asymmetric nuclear matter at finite temperatures using an effective chiral SU(4) model. The interactions of $D$ and $\bar{D}$ mesons with nucleons, scalar isoscalar…

Nuclear Theory · Physics 2010-05-18 Arvind Kumar , Amruta Mishra

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 described by means of a chiral unitary approach accounting for…

High Energy Physics - Phenomenology · Physics 2017-10-18 Martin Cleven , Volodymyr K. Magas , Angels Ramos

The composite operator formalism is applied to QCD at finite temperature to calculate the masses of scalar and pseudoscalar mesons. In particular the ratio of the sigma mass to the pion mass is an interesting measure of the degree of chiral…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Barducci , R. Casalbuoni , R. Gatto , M. Modugno , G. Pettini

We study what happens to D and D_s mesons as the temperature increases, using lattice QCD simulations with N_f=2+1 dynamical flavours on anistropic lattices. We have access to five temperatures in the hadronic phase. Using the determined…

We have developed a self-consistent theoretical approach to study the modification of the properties of heavy mesons in hot mesonic matter which takes into account chiral and heavy-quark spin-flavor symmetries. The heavy-light meson-meson…

High Energy Physics - Phenomenology · Physics 2022-02-16 G. Montana

We study the properties of open-charm mesons ($D$ and $\bar {D}$) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon interactions are adopted from a type of broken SU(4) s-wave…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani
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