Related papers: Charmonium Spectroscopy Below Open Flavor Threshol…

Search for the charmonium weak decay $\psi(2S)\to D_s^-\pi^+ + c.c.$ and $\psi(2S)\to D_s^-\rho^+ + c.c.$

We search for the weak decays $\psi(2S)\to D_s^-\pi^+ + c.c.$ and $\psi(2S)\to D_s^-\rho^+ + c.c.$ for the first time. The search is based on $(2712.4\pm14.3)\times 10^6$ events containing the charmonium state $\psi(2S)$ collected at the…

High Energy Physics - Experiment · Physics 2026-03-03 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , C. S. Akondi , R. Aliberti , A. Amoroso , Q. An , Y. H. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , X. L. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. B. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , T. T. Chang , G. R. Che , Y. Z. Che , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , W. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Z. K. Chen , J. Cheng , L. N. Cheng , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. Cottee-Meldrum , H. L. Dai , J. P. Dai , X. C. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denisenko , M. Destefanis , F. De Mori , X. X. Ding , Y. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , X. L. Du , Y. Q. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , L. Feng , Q. X. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , Z. Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , J. Gollub , J. B. Gong , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. D. Gu , M. H. Gu , C. Y. Guan , A. Q. Guo , J. N. Guo , L. B. Guo , M. J. Guo , R. P. Guo , X. Guo , Y. P. Guo , Z. Guo , A. Guskov , J. Gutierrez , J. Y. Han , T. T. Han , X. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , C. Z. He , K. K. He , K. L. He , F. H. 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Z. Zhu , Y. C. Zhu , Z. A. Zhu , X. Y. Zhuang , J. H. Zou

Charmonium + Light Hadron Cross Sections

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

Excited Charmonium Decays by Flux-Tube Breaking and the $\psi^{'}$ Anomaly at CDF

The hadronic decay of radially and orbitally excited charmonium above charm threshold by $^3 P_{0}$ pair creation and chromoelectric flux--tube breaking is discussed in an harmonic oscillator approximation. We find independent evidence from…

High Energy Physics - Phenomenology · Physics 2016-09-01 Philip R. Page

Charmonium spectral functions in two-flavour QCD

We compute charmonium spectral functions in 2-flavour QCD using the maximum entropy method and anisotropic lattices. We find that the S-waves (J/psi and eta_c) survive up to temperatures close to 2T_c, while the P-waves (chi_c0 and chi_c1)…

High Energy Physics - Lattice · Physics 2008-11-26 G. Aarts , C. R. Allton , R. Morrin , A. O. Cais , M. B. Oktay , M. J. Peardon , J. I. Skullerud

Recent Results on Hadron Spectroscopy from BESIII

Hadron spectroscopy is one of the most important physics goals of BESIII. BESIII brings great opportunities to study the XYZ states of charmonium by directly producing the Y states up to 4.6 GeV. High statistics of charmonium decays…

High Energy Physics - Experiment · Physics 2016-06-22 Beijiang Liu

Studies of charmonium-like states at BABAR

Several charmonium-like states above $D\bar{D}$ threshold have been discovered at the Belle and BABAR B-factories. Some of these states are produced via Initial State Radiation (e.g. Y(4260) and Y(4350)), and some are observed in B-meson…

High Energy Physics - Experiment · Physics 2014-11-20 Arafat Gabareen Mokhtar

Prospects for PANDA in Charmonium and Charm Physics

The prospects of the future PANDA experiment at FAIR in Darmstadt/Germany in the field of charmonium and charm spectroscopy are discussed.

High Energy Physics - Experiment · Physics 2012-10-18 Marc Pelizaeus

The Physics of Charm: Recent Experimental Results

We review the most recent results from experiments studying systems containing charmed quarks. The selection reflects the presenter's bias, and there is an emphasis on decays of open charm. We discuss precision measurements of various…

High Energy Physics - Experiment · Physics 2007-05-23 Jim Napolitano

Charmonium: Conventional and $XYZ$ States in a Relativistic Screened Potential Model

In this work a comprehensive analysis of the mass spectrum and decay properties of charmonium states within a relativistic framework is carried out. The present experimental status of charmonium states is reviewed. Utilizing a screened…

High Energy Physics - Phenomenology · Physics 2025-02-04 Chaitanya Anil Bokade , Bhaghyesh

Charged lepton flavor violation searches in the charmonium system

An invited research highlight article on Charged lepton flavor violation searches in the charmonium system.

High Energy Physics - Phenomenology · Physics 2022-11-22 Qiang Li

Coupled-channel model for charmonium levels and an option for X(3872)

The effects of charmed meson loops on the spectrum of charmonium are considered, with special attention paid to the levels above open-charm threshold. It is found that the coupling to charmed mesons generates a structure at the D \bar{D}*…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yu. S. Kalashnikova

Charmonium at CLEO

At CLEO, charmonium spectroscopy is pursued both thorugh e+e- annihilation data taken in the Upsilon region and more recently at psi(2S). A nmber of first observations (eta_c', h_c, pi and K form factors) have been made, and numerous high…

High Energy Physics - Experiment · Physics 2009-11-11 Kamal K. Seth

Recent Results on Isospin-Violating Transitions in Charmonium Studied with BESIII

Charmonium spectroscopy provides strong guidelines to effective field theories, thereby gaining insight into quark confinement and the generation of hadron masses. Hadronic transitions between charmonium states have been measured with…

High Energy Physics - Experiment · Physics 2019-08-14 Olga Bondarenko

Mesons at high temperature in Nf=2 QCD

We report first results for spectral functions of charmonium in 2-flavour QCD. The spectral functions are determined from vector and pseudoscalar correlators on a dynamical, anisotropic lattice. J/psi and eta_c are found to survive well…

High Energy Physics - Lattice · Physics 2011-03-23 Gert Aarts , Chris Allton , Richie Morrin , Alan O Cais , Mehmet Bugrahan Oktay , Mike Peardon , Jon-Ivar Skullerud

The Charmonium (Bottomonium) binding ate finite T

The charmonium (bottomonim) binding at finite temperature is studied with static potentials extracted from the lattice QCD data of Kaczmarek et al. The bottomonium spectrum is also studied. This is relevant for Hard Probes in Heavy Ion…

High Energy Physics - Phenomenology · Physics 2008-04-29 P. Bicudo , M. Cardoso , P. Santos , J. Seixas

Heavy flavor kinetics at the hadronization transition

We investigate the in-medium modification of the charmonium breakup processes due to the Mott effect for light (pi, rho) and open-charm (D, D*) quark-antiquark bound states at the chiral/deconfinement phase transition. The Mott effect for…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Blaschke , G. Burau , Yu. Kalinovsky , T. Barnes

Study on charmonium(-like) mesons within a diabatic approach

In this work, we study the charmonium(-like) spectrum below 4.1 GeV using the diabatic approach, which offers a unified description of conventional and unconventional heavy meson states. Compared to previous studies, we consider a more…

High Energy Physics - Phenomenology · Physics 2025-04-17 Zi-Zhao Zhang , Rong Li , Bo-Chao Liu

Investigating charmonium production at LHC with the p pbar final state

We propose to investigate various charmonium states using their common decay channel to p pbar at LHC. Having the branching ratios for charmonium decaying into the p pbar final state measured or calculated, we propose to measure the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Sergey Barsuk , Jibo He , Emi Kou , Benoit Viaud

Charmonium-like resonances with $J^{PC}=0^{++},2^{++}$ in coupled $D\bar D$, $D_s\bar D_s$ scattering on the lattice

We present the first lattice investigation of coupled-channel $D\bar D$ and $D_s\bar D_s$ scattering in the $J^{PC}=0^{++}$ and $2^{++}$ channels. The scattering matrix for partial waves $l=0,2$ and isospin zero is determined using multiple…

High Energy Physics - Lattice · Physics 2021-07-09 S. Prelovsek , S. Collins , D. Mohler , M. Padmanath , S. Piemonte

Recent Progress and Puzzles in Charmonium Physics

While the charmonium model has been effective in describing ccbar bound mesons, there have been many recently discovered charmonium-like states it cannot accommodate. Here I provide a review of recent results from the B-factories including…

High Energy Physics - Experiment · Physics 2009-01-16 Bryan Fulsom