English
Related papers

Related papers: Update on Charmonium Theory

200 papers

Recent data from the Tevatron have revealed that the production rate of prompt charmonium is more than an order of magnitude larger than the best theoretical predictions of a few years ago. This surprising result can be understood by taking…

High Energy Physics - Phenomenology · Physics 2007-05-23 Eric Braaten

To illustrate the campaign to understand heavy quarkonium systems, I focus on a puzzling new state, $X(3872) \to \pi^+\pi^- J/\psi$. Studying the influence of open-charm channels on charmonium properties leads us to propose a new charmonium…

High Energy Physics - Phenomenology · Physics 2007-05-23 Chris Quigg

We see copious production of charmed hadrons in the early LHCb data. The status and plans for charm production studies at LHCb are discussed, and preliminary signals are shown.

High Energy Physics - Experiment · Physics 2019-08-13 M. J. Charles

In the past decade, more and more charmoniumlike and bottomoniumlike states have been reported in experiments, which have led us to extensive discussions on the underlying structure of these states. In this review paper, we briefly…

High Energy Physics - Phenomenology · Physics 2014-08-01 Xiang Liu

The study of the production of heavy quarkonium is crucial for a thorough understanding of Quantum Chromodynamics (QCD). This note reports the measurements of the J\psi, \chi_c and double charm production cross section, and discusses the…

High Energy Physics - Experiment · Physics 2019-08-13 Maddalena Frosini

In this contribution we summarize experimental information and theoretical results for the dissociation cross sections of charmonium by light hadrons. Theoretical predictions for these RHIC-related processes differ by orders of magnitude…

Nuclear Theory · Physics 2007-05-23 T. Barnes , E. S. Swanson , C. Y. Wong

I discuss some aspects of the comparison between QCD predictions and experimental data in charm and bottom production.

High Energy Physics - Phenomenology · Physics 2009-10-30 G. Ridolfi

There are many exotic properties of the charmonium and charmoniumlike states above $D\bar{D}$ threshold. The recent experimental results from BaBar and Belle on the new and conventional charmonium states are reviewed in this talk.

High Energy Physics - Experiment · Physics 2012-08-21 Xiaolong Wang

A review of some of the recent experimental developments concerning the X, Y and Z charmoniumlike meson states is presented.

High Energy Physics - Experiment · Physics 2009-09-16 Stephen L. Olsen

We present an overview of recent developments in charm physics reported in the Working~Group~7 meetings of the CKM 2016 workshop. Progresses in experimental analysis and techniques were reported by LHCb, Belle, BABAR and BESIII along with…

High Energy Physics - Phenomenology · Physics 2017-04-04 Giulia Casarosa , Angelo Di Canto , Ayan Paul

After a short status report on chiral perturbation theory, I review recent progress in determining some of the low-energy couplings by matching the effective theory to QCD. Consequences for K_{l3} decays and for the extraction of the CKM…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. Ecker

We review recent developments in heavy-quarkonium phenomenology within the nonrelativistic QCD factorization approach. Main issues we consider in this work include the polarization of prompt J/psi at the Fermilab Tevatron and the large…

High Energy Physics - Phenomenology · Physics 2008-09-02 Hee Sok Chung , Jungil Lee , Chaehyun Yu

We present our most recent results on the charmonium spectrum using relativistic Wilson fermions. We study the dependence of the spectrum on the charm quark mass and the Wohlert-Sheikholeslami improvement term.

High Energy Physics - Lattice · Physics 2010-11-19 Aida X. El-Khadra

Recent data from the Tevatron has revealed that the production rate of prompt charmonium at large transverse momentum is orders of magnitude larger than the best theoretical predictions of a few years ago. These surprising results can be…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Braaten , S. Fleming , T. C. Yuan

Both hard and soft QCD dynamics are important in charmonium production, as presented here through a next-to-leading order QCD matrix element calculation combined with the colour evaporation model. Observed $x_F$ and $p_\perp$ distributions…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Brenner Mariotto , M. B. Gay Ducati , G. Ingelman

To provide focus to my review of charm theory at the B-Physics and CP-Violation conference, I consider theoretical issues related to possible charm studies at B-factories. A few topics of interest to the author are stressed -- rare decays,…

High Energy Physics - Phenomenology · Physics 2016-11-03 Eugene Golowich

A selected survey is presented of the recent progress in hadron spectroscopy. This includes spin-singlet charmonium states, excitations of charmonium and open-charm mesons, double-charm baryons, and pentaquark candidates. Models proposing…

High Energy Physics - Phenomenology · Physics 2017-08-23 J. -M. Richard

I summarize the state of the art of cross-section computations and of available simulation tools for top-quark pair production in hadron collisions. Particular emphasis is put on recent theory developments relevant for LHC phenomenology.

High Energy Physics - Phenomenology · Physics 2016-03-21 Emanuele Re

We report on most recent Charm and Charmonium spectroscopy results from the B-factories

High Energy Physics - Experiment · Physics 2019-08-13 Philippe Grenier

During the last few years there has been a renaissance in charm and charmonium spectroscopy with higher precision measurements at the $\psi^{'}$ and $\psi(3770)$ coming from BESII and CLEOc and many new discoveries coming from B-factories.…

High Energy Physics - Experiment · Physics 2008-10-20 Frederick A. Harris