Zobrazeno 1 - 10
of 370
pro vyhledávání: '"HE Li-ping"'
Publikováno v:
EPJ Web of Conferences, Vol 274, p 04014 (2022)
If the double-charm tetraquark meson T+cc(3875) is a loosely bound molecule, it can be produced in high-energy proton-proton collisions by the creation of the charm mesons D∗+D0 at short distances followed by their binding into T+cc. It can also be
Externí odkaz:
https://doaj.org/article/d5203d164a344d2a8c63d41fae5557a7
We study the time evolution of the numbers of charm mesons after the kinetic freezeout of the expanding hadron gas produced by the hadronization of the quark-gluon plasma from a central heavy-ion collision. The $\pi D$ reaction rates have contributio
Externí odkaz:
http://arxiv.org/abs/2307.07470
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
Externí odkaz:
http://arxiv.org/abs/2303.08072
Publikováno v:
Leida xuebao, Vol 1, Iss 2, Pp 203-208 (2012)
Finite element modeling and structural dynamic characteristics of antenna pedestal in airborne SAR were studied in this paper. The Finite element model of antenna pedestal in airborne SAR was set up on the basis of structural dynamic theory, then, th
Externí odkaz:
https://doaj.org/article/893d20812e2f44d79a34ebd897eee6c3
We study the time evolution of the numbers of charm mesons after the kinetic freeze-out of the hadron gas produced by a central heavy-ion collision. The $\pi D^\ast \to \pi D^\ast$ reaction rates have $t$-channel singularities that give contributions
Externí odkaz:
http://arxiv.org/abs/2209.04972
Publikováno v:
Phys.Rev.D 106 (2022) 3, 034033
The double-charm tetraquark meson $T_{cc}^+(3875)$ can be produced in high-energy proton-proton collisions by the creation of the charm mesons $D^{*+} D^0$ at short distances followed by their binding into $T_{cc}^+$. The $T_{cc}^+$ can also be produ
Externí odkaz:
http://arxiv.org/abs/2202.03900
Publikováno v:
In Science of the Total Environment 10 April 2024 920
Publikováno v:
Phys. Rev. D 103, 071901 (2021)
The dependence of the production of the $X(3872)$ meson on the hadron multiplicity in $pp$ collisions has been used as evidence against $X$ being a charm-meson molecule. The argument is based in part on the incorrect assumption that the cross section
Externí odkaz:
http://arxiv.org/abs/2012.13499
Publikováno v:
Phys. Rev. D 103, 036014 (2021)
XEFT is a low-energy effective field theory for charm mesons and pions that provides a systematically improvable description of the $X(3872)$ resonance. To simplify calculations beyond leading order, we introduce a new formulation of XEFT with a dyna
Externí odkaz:
http://arxiv.org/abs/2010.05801
Publikováno v:
Phys. Rev. D 103, 016001 (2021)
In the heavy-quark limit, the two heavy quarks in a doubly heavy baryon or a doubly heavy tetraquark are bound by their color-Coulomb potential into a compact diquark. The doubly heavy hadrons are related by the approximate heavy-quark--diquark symme
Externí odkaz:
http://arxiv.org/abs/2006.08650