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Related papers: Charmed-Meson Fragmentation Functions with Finite-…

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Fitting $Z^0$-pole data from ALEPH and SLD, and TPC data at a lower c.m.s.\ energy, we fix the boundary condition for NLO parton$\to$hadron (hadron$=\pi^\pm, K^\pm, \sum_h h^\pm$) fragmentation functions (FFs) at the low resolution scale of…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Kretzer

The experimental data of BELLE Collaboration on the exclusive charmed meson pair production in the process of monophotonic $e^+e^-$-annihilation ($e^+e^-\to \gamma^* \to D\bar D$) has been studied. It has been shown that these data is…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. V. Berezhnoy , A. K. Likhoded

The CLEO-c experiment, running at charm threshold, has measured many charmed meson properties. Here I summarize results on leptonic and semileptonic decays of D mesons, as well as measurements hadronic decay strong phases that are relevant…

High Energy Physics - Experiment · Physics 2019-08-13 P. U. E. Onyisi

We investigate the impact of including a dynamical charm quark on the properties of light hadrons. Our study uses gauge ensembles generated with the tadpole-improved Symanzik gauge action, comparing 2+1+1 flavor (HISQ fermion) ensembles at…

High Energy Physics - Lattice · Physics 2026-03-05 Tong-Wei Lin , Zun-Xian Zhang , Mengchu Cai , Hai-Yang Du , Bolun Hu , Xiangyu Jiang , Xiao-Lan Meng , Ji-Hao Wang , Peng Sun , Yi-Bo Yang , Dian-Jun Zhao

The measured D*+/-, D0, D+/-, D_s+/- and /\_c+/- photoproduction cross sections have been used to determine charm fragmentation ratios and fractions of c quarks hadronising as a particular charm hadron, f(c -> D, /\_c). Events with a D*+/-…

High Energy Physics - Experiment · Physics 2019-08-14 Leonid Gladilin

I discuss new results on absolute branching ratios of charm mesons into specific exclusive final states, Cabibbo suppressed decay rates, inclusive decays to $s\bar{s}$ mesons, limits on D^0 anti-D^0 mixing, CP violation and T violation.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sheldon Stone

We report measurements of production cross sections for $\rho^+$, $\rho^0$, $\omega$, $K^{*+}$, $K^{*0}$, $\phi$, $\eta$, $K_S^0$, $f_0(980)$, $D^+$, $D^0$, $D_s^+$, $D^{*+}$, $D^{*0}$, and $D^{*+}_s$ in $e^+e^-$ collisions at a…

High Energy Physics - Experiment · Physics 2025-03-14 Belle Collaboration , R. Seidl , I. Adachi , H. Aihara , T. Aushev , R. Ayad , Sw. Banerjee , K. Belous , J. Bennett , M. Bessner , B. Bhuyan , D. Biswas , D. Bodrov , M. Bračko , P. Branchini , T. E. Browder , A. Budano , M. Campajola , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , S. Choudhury , S. Das , G. De Nardo , G. De Pietro , F. Di Capua , J. Dingfelder , Z. Doležal , T. V. Dong , D. Dossett , P. Ecker , T. Ferber , B. G. Fulsom , V. Gaur , A. Giri , P. Goldenzweig , E. Graziani , Y. Guan , K. Gudkova , C. Hadjivasiliou , T. Hara , H. Hayashii , D. Herrmann , W. -S. Hou , C. -L. Hsu , K. Inami , N. Ipsita , A. Ishikawa , R. Itoh , M. Iwasaki , W. W. Jacobs , S. Jia , Y. Jin , K. K. Joo , A. B. Kaliyar , C. Kiesling , C. H. Kim , D. Y. Kim , K. -H. Kim , P. Kodyš , A. Korobov , S. Korpar , P. Križan , P. Krokovny , D. Kumar , K. Kumara , Y. -J. Kwon , T. Lam , L. K. Li , Y. B. Li , L. Li Gioi , J. Libby , D. Liventsev , Y. Ma , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , R. Mussa , M. Nakao , A. Natochii , M. Niiyama , S. Nishida , S. Ogawa , H. Ono , G. Pakhlova , S. Pardi , J. Park , S. -H. Park , A. Passeri , S. Patra , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , T. Podobnik , E. Prencipe , M. T. Prim , G. Russo , S. Sandilya , L. Santelj , V. Savinov , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , W. Shan , J. -G. Shiu , B. Shwartz , J. B. Singh , E. Solovieva , M. Starič , M. Sumihama , M. Takizawa , K. Tanida , F. Tenchini , T. Uglov , Y. Unno , S. Uno , Y. Usov , C. Van Hulse , A. Vinokurova , A. Vossen , M. -Z. Wang , B. D. Yabsley , W. Yan , Y. Yook , C. Z. Yuan , L. Yuan , Z. P. Zhang , V. Zhilich

We present results from an ongoing computation of masses of $D$ mesons, $D_s$ mesons and charmonium, including both ground states and several parity and angular momentum excitations. We employ 2+1+1 flavours of dynamical maximally twisted…

High Energy Physics - Lattice · Physics 2015-10-28 Krzysztof Cichy , Martin Kalinowski , Marc Wagner

Even if new data indicate that direct CP violation in D-meson decays is compatible with the standard model expectation, it has triggered a lot of interest, and charm phenomenology will remain an essential part of new physics searches due to…

High Energy Physics - Phenomenology · Physics 2013-09-02 Alexander Lenz , Thomas Rauh

The production of D^0, D^*+, D^+, D_s+ and Lambda_c^+ charm hadrons and their antiparticles in ep scattering at HERA has been studied with the ZEUS detector, using a total integrated luminosity of 372 pb^-1. The fractions of charm quarks…

High Energy Physics - Experiment · Physics 2013-06-21 ZEUS Collaboration

We present predictions for the inclusive productions of the D meson originating from bottom hadrons at the CERN LHC in the general-mass variable-flavour-number scheme at next-to-leading order. We present results using two methods to…

High Energy Physics - Phenomenology · Physics 2015-06-17 Paolo Bolzoni , Gustav Kramer

We estimate the non-perturbative power-suppressed corrections to heavy flavour fragmentation and correlation functions in e^+e^- annihilation, using a model based on the analysis of one-loop Feynman graphs containing a massive gluon. This…

High Energy Physics - Phenomenology · Physics 2009-10-30 P. Nason , B. R. Webber

A summary of measurements of the fragmentation of charm quarks into a specific hadron is given. Measurements performed in photoproduction and deep inelastic scattering in $e^{\pm}p$, $pp$ and $e^+e^-$ collisions are compared, using…

High Energy Physics - Experiment · Physics 2016-07-22 Mykhailo Lisovyi , Andrii Verbytskyi , Oleksandr Zenaiev

We present a comprehensive review of purely leptonic and semileptonic decays of $D^{0(+)}$, $D_s^{+}$, and charmed baryons (including $\Lambda_c^{+}$, $\Xi_c$ and $\Omega_c$). The precise studies of these decays help deepen our…

High Energy Physics - Experiment · Physics 2023-10-10 Bai-Cian Ke , Jonna Koponen , Hai-Bo Li , Yangheng Zheng

We present our first set of results for charm physics, using the mixed-action setup introduced in a companion paper. Maximally twisted Wilson valence fermions are used on a sea of non-perturbatively $O(a)$-improved Wilson fermions, made up…

The observed $D^{**}$ mesons have $c\bar q$ flavor quantum numbers and spin-parity of the light degrees of freedom $s_\ell^{\pi_{\ell}} = 3/2^+$. In the $m_c \rightarrow \infty$ limit the spin of the charm quark is conserved and the $c…

High Energy Physics - Phenomenology · Physics 2009-10-28 Yu-Qi Chen , Mark B. Wise

Recently a lot of new experimental results on open charm hadrons have appeared. In particular many D meson resonances have been discovered. We discuss strong decays of positive and negative parity charmed mesons within heavy meson chiral…

High Energy Physics - Phenomenology · Physics 2008-11-26 Svjetlana Fajfer , Jernej Kamenik , Sasa Prelovsek

Measurements by the Belle Collaboration of the exclusive J/psi + eta_c and inclusive J/psi +cc-bar+X productions in e^+ e^- annihilation differ substantially from theoretical predictions based on the nonrelativistic QCD factorization…

High Energy Physics - Phenomenology · Physics 2011-03-23 Daekyoung Kang , Jungil Lee

We use a recently completed O(alpha_s^2) fixed-order calculation of the heavy-flavour production cross section in e+e- collisions to compute the heavy-quark fragmentation function. We fit the result of our calculation, convoluted with a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paolo Nason , Carlo Oleari

We present charmed hadron spectroscopy results from the photoproduction experiment FOCUS (FNAL-E831). We report new, precise measurements of the masses and widths of the $\dmeson_2^{*+}$ and $\dmeson_2^{*0}$ mesons, evidence for the…

High Energy Physics - Experiment · Physics 2016-08-31 Eric Vaandering