Multiplicity of the doubly charmed state $T_{cc} ^+$ in heavy-ion collisions

Abreu, Luciano M.; Navarra, Fernando S.; Vieira, Hildeson P. L.

doi:10.48550/arxiv.2202.10882

Cited by 4 publications

(5 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The productions of the T + cc in the γp reaction, proton-proton collisions, and heavy ion collisions were studied in Refs. [529,530,396,531] as the DD * molecular state of I(J P ) = 0(1 + ), and its quasifission phenomenon induced by the nucleons was studied in Ref. [532].…”

Section: Lhcb Data Fit Fitmentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

View full text Add to dashboard Cite

The past decades witnessed the golden era of hadron physics. Many excited open heavy flavor mesons and baryons have been observed since 2017. We shall provide an updated review of the recent experimental and theoretical progresses in this active field. Besides the conventional heavy hadrons, we shall also review the recently observed open heavy flavor tetraquark states X(2900) and T + cc (3875) as well as the hidden heavy flavor multiquark states X(6900), P cs (4459) 0 , Z cs (3985) − , Z cs (4000) + , and Z cs (4220) + . We will also cover the recent progresses on the glueballs and light hybrid mesons, which are the direct manifestations of the non-Abelian SU (3) gauge interaction of the Quantum Chromodynamics in the low-energy region.

show abstract

Section: Lhcb Data Fit Fitmentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…At T kf = 115 MeV, this number is small: n (eq) π /(f 2 π m π ) = 0.052. There have been many previous discussions of the production of exotic heavy hadrons in heavy ion collisions [28][29][30][31][32][33][34], including some that focused on X(3872) and T + cc (3875) [35][36][37][38][39][40][41][42]. Most treatments of hadronic molecules have taken into account their size, but are…”

Section: Pion Gasmentioning

confidence: 99%

Thermal energy of a charm-meson molecule in a pion gas

Braaten,

He,

Ingles

et al. 2024

J. High Energ. Phys.

View full text Add to dashboard Cite

The thermal corrections to the propagator of a loosely bound charm-meson molecule in a pion gas are calculated to next-to-leading order in the heavy-meson expansion using a zero-range effective field theory. Ultraviolet divergences in the charm-meson-pair self energy are canceled by corrections to the charm-meson-pair contact vertex. Terms that are singular at the charm-meson-pair threshold can be absorbed into thermal corrections to the rest energies and kinetic masses of the charm-meson constituents. The remaining terms reduce to a thermal correction to the binding momentum that is proportional to the pion number density and suppressed by the pion/charm-meson mass ratio. The correction gives a tiny decrease in the binding energy of the charm-meson molecule relative to the charm-meson-pair threshold in the pion gas and a change in its thermal width that is small compared to the thermal widths of the charm-meson constituents. These results are encouraging for the prospects of observing X(3872) and $$ {T}_{cc}^{+}(3875) $$ T cc + 3875 in the expanding hadron gas produced by heavy-ion collisions.

show abstract

“…The D * D molecular states had been predicted [261,262,263,264] before the experimental observations. The discovery of the T cc also inspired huge amounts of investigations [265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285].…”

Section: -Orbital Excitationsmentioning

confidence: 99%

“…The production of the T + cc in heavy-ion collisions and in hadron colliders were investigated in Refs. [283,1058], respectively.…”

Section: Short-range Dynamicsmentioning

confidence: 99%

Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules

Li¹,

Wang²,

Wang³

et al. 2022

Preprint

View full text Add to dashboard Cite

Chiral symmetry and its spontaneous breaking play an important role both in the light hadron and heavy hadron systems. In this work, we shall review the investigations on the chiral corrections to the properties of the heavy mesons and baryons within the framework of the chiral perturbation theory (χPT). We will also review the scatterings of the light pseudoscalar mesons and heavy hadrons. Moreover, the modern nuclear force was built upon the chiral effective field theory (χEFT). In the past decades many new hadron states were observed experimentally. A large group of these states are near-threshold resonances, such as the charged charmoniumlike Z c and Z cs states, bottomoniumlike Z b states, hidden-charm pentaquark P c and P cs states and the doubly charmed T cc state etc. They are very good candidates of the loosely bound molecular states composed of a pair of charmed hadrons. The same chiral dynamics not only governs the nuclei and forms the deuteron, but also dictates the above shallow bound states or resonances. We will perform an extensive review on the progress on the heavy hadronic molecular states within the framework of χEFT.

show abstract

Multiplicity of the doubly charmed state $T_{cc} ^+$ in heavy-ion collisions

Cited by 4 publications

References 38 publications

An updated review of the new hadron states

An updated review of the new hadron states

Thermal energy of a charm-meson molecule in a pion gas

Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules

Contact Info

Product

Resources

About