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Related papers: Heavy mesons in dense matter

200 papers

Charmed scalar mesons are studied. By assigning the newly observed charmed strange meson with a narrow width to one of the iso-triplet four-quark mesons, decays of the multiplet members are investigated and, as the consequence, existence of…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Terasaki

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 temperature expected for the CBM experiment at FAIR/GSI. The…

High Energy Physics - Phenomenology · Physics 2009-06-25 Laura Tolos , Daniel Cabrera , Daniel Gamermann , Tetsuro Mizutani , Raquel Molina , Eulogio Oset , Angels Ramos

We discuss recent achievements in light scalar mesons spectroscopy through amplitude analysis of charm particle decay and its consequences. The high statistics clean samples of charmed mesons, in addition to it's definite J^P and mass, is…

High Energy Physics - Experiment · Physics 2007-05-23 Jussara M. de Miranda

The $D$ and $\bar {D}$ 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 interaction supplemented by an attractive isoscalar-scalar…

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

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

A self-consistent coupled-channel approach is used to study the properties of $D$ and $\bar D$ mesons in hot dense matter. The starting point is a broken SU(4) s-wave Tomozawa-Weinberg $DN$ ($\bar DN$) interaction supplemented by an…

Nuclear Theory · Physics 2007-11-22 Laura Tolos , Angels Ramos , Tetsuro Mizutani

We investigate the in-medium masses of open charm mesons ($D$($D^0$, $D^+$), $\bar{D}$($\bar{D^0}$, $D^-$), $D_s$(${D_{s}}^+$, ${D_{s}}^-$)) and charmonium states ($J/\psi$, $\psi(3686)$, $\psi(3770)$, $\chi_{c0}$, $\chi_{c2}$) in strongly…

High Energy Physics - Phenomenology · Physics 2021-01-22 Amal Jahan C. S. , Amruta Mishra

Within the framework of heavy quark effective theory and chiral perturbation theory, masses and splittings of heavy charm mesons are studied. A mass formula is used for comprehensive analysis of low lying charm meson states.The variation of…

High Energy Physics - Phenomenology · Physics 2012-02-01 S. Singh , M. Batra , A. Upadhyay

Fragmentation functions for heavy-light mesons, like the charmed D, D^* mesons, are proposed. They rest on next-to-leading QCD Perturbative Fragmentation Functions for heavy quarks, with the addition of a non-perturbative term describing…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Cacciari , M. Greco , S. Rolli , A. Tanzini

We study the possible heavy molecular states composed of a pair of charm mesons in the H and S doublets. Since the P-wave charm-strange mesons $D_{s0}(2317)$ and $D_{s1}(2460)$ are extremely narrow, the future experimental observation of…

High Energy Physics - Phenomenology · Physics 2010-11-24 Lei-Lei Shen , Xiao-Lin Chen , Zhi-Gang Luo , Peng-Zhi Huang , Shi-Lin Zhu , Peng-Fei Yu , Xiang Liu

We derive mass formulas for the $P$-wave orbitally excited $D^*_{0(s)}$, $D^\prime_{1(s)}$, $D_{1(s)}$, and $D^*_{2(s)}$ heavy charmed mesons including all effects from one-loop corrections that contribute at leading order in chiral…

High Energy Physics - Phenomenology · Physics 2020-01-06 Mohammad H. Alhakami

We study charmed baryon resonances that are generated dynamically from a coupled-channel unitary approach that implements heavy-quark symmetry. Some states can already be identified with experimental observations, such as $\Lambda_c(2595)$,…

High Energy Physics - Phenomenology · Physics 2010-11-02 L. Tolos , C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo

The mass spectrum of the charmed mesons is investigated by considering the coupled channel effects within the nonrelativistic potential model. The predicted masses of the charmed mesons are in agreement with experimental data. The strong…

High Energy Physics - Phenomenology · Physics 2024-11-06 Wei Hao , M. Atif Sultan , En Wang

A brief overview of charm scalar resonances is given. It is demonstrated that experimental data on the D_s^{*+}gamma and D_s^+pi^0 decays of D_{s0}^+(2317) favor its assignment to the I_3=0 component of iso-triplet four-quark mesons. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Terasaki

We study the spectral distributions of charmed meson with $J^P=0^-$ quantum numbers in cold nuclear matter applying a self-consistent and covariant many-body approach established previously for the nuclear dynamics of kaons. At leading…

Nuclear Theory · Physics 2010-12-16 M. F. M. Lutz , C. L. Korpa

We investigate the $D{\bar D}$ decay width of excited charmonium states at finite nuclear density with simultaneous modification of both $D$ and ${\bar D}$ mesons in nuclear matter. The strongest effect is found for the $\Psi^{\prime}$…

Nuclear Theory · Physics 2009-11-07 A. Sibirtsev

Charmed and beauty hadrons in matter are discussed within a unitarized coupled-channel model consistent with heavy-quark spin symmetry. We analyse the formation of D-mesic states as well as the propagation of charmed and beauty hadrons in…

High Energy Physics - Phenomenology · Physics 2017-12-22 Laura Tolos

In the present paper we address the interaction of charmed mesons in hidden charm channels in a finite box. We use the interaction from a recent model based on heavy quark spin symmetry that predicts molecules of hidden charm in the…

High Energy Physics - Lattice · Physics 2015-06-18 M. Albaladejo , C. Hidalgo-Duque , J. Nieves , E. Oset

We use a unitary coupled-channel model to study the $\bar{D} \Lambda_c - \bar{D} \Sigma_c$ interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with…

High Energy Physics - Phenomenology · Physics 2018-02-02 Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

We briefly expose our model for generating open and hidden charm resonances and present the most interesting results.

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Gamermann , E. Oset , D. Strottman , M. J. Vicente Vacas