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The strange-anticharmed Pentaquark is a $uud\bar{c}s$ or $udd\bar{c}s$ five-quark baryon that is expected to be either a narrow resonance, or possibly even stable against strong and electromagnetic decay. We describe this hyperon here, its…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. A. Moinester , D. Ashery , L. G. Landsberg , H. J. Lipkin

The interaction between various charmed mesons and charmed baryons are studied within the framework of the coupled channel unitary approach with the local hidden gauge formalism. Several meson-baryon dynamically generated narrow $N^*$ and…

Nuclear Theory · Physics 2010-12-28 Jia-Jun Wu , R. Molina , E. Oset , B. S. Zou

Using data recorded by the CLEO III detector at CESR, we have made measurements of some properties of the Sigma_c^{*++} and Sigma_c^{*0} charmed baryons. In particular: Gamma(Sigma_c^{*++})=14.4^{+1.6}_{-1.5}+-1.4 MeV,…

High Energy Physics - Experiment · Physics 2010-04-08 S. B. Athar

The spectra of leading and nonleading charmed baryons ($\Lambda_c$ and $\bar{\Lambda}_c$) as well as the asymmetries between these spectra measured in $\Sigma^-A$, $\pi^-A$ and pA collisions at $p_L= 600 GeV/c$ in the E781 experiment are…

High Energy Physics - Phenomenology · Physics 2009-11-07 Olga Piskounova

The recent progress in the investigations on the quark structure of the $\Lambda$ and $\Sigma$ baryons are reviewed. It is shown that the quark structure of $\Lambda$ and $\Sigma$ hyperons can provide a new domain to test various theories…

High Energy Physics - Phenomenology · Physics 2009-10-31 Bo-Qiang Ma

We discuss the status of current dynamical lattice QCD simulations in connection to the emerging results on the strange and charmed baryon spectrum, excited states of the nucleon and the investigation of the structure of scalar mesons.

High Energy Physics - Lattice · Physics 2014-10-20 Constantia Alexandrou

The width of a recently discovered excited charmed-strange baryon, a candidate for a state $\Xi_c^*$ with spin 3/2, is calculated. In the absence of configuration mixing between the ground-state (spin-1/2) charmed-strange baryon…

High Energy Physics - Phenomenology · Physics 2016-08-24 Jonathan L. Rosner

This is an update of the two articles (H.Y. Cheng, 2009; Cheng, 2015) in which charmed baryon physics around 2007 and 2015, respectively, were reviewed. In this review we emphasize the experimental progress and the theoretical development…

High Energy Physics - Phenomenology · Physics 2022-08-10 Hai-Yang Cheng

We study the spectra of charmonia, charmed mesons, singly and doubly charmed baryons using Lattice QCD, with 2+1 flavours of fermions. In the case of mesons, we include higher spin states, while for baryons, both positive and negative…

High Energy Physics - Lattice · Physics 2015-06-12 Gunnar Bali , Sara Collins , Paula Pérez-Rubio

In the leading order of perturbative QCD one calculates the total and differential cross-sections for the hadronic production of doubly charmed baryons $\Xi_{cc}$ and $\Xi_{cc}^*$ in different experiments. The experimental evaluation of…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. V. Berezhnoy , V. V. Kiselev , A. K. Likhoded , A. I. Onishchenko

The HyperCP (E871) experiment collected several billion hyperon decays in the 1997 and 1999 Fermilab fixed-target running periods. Using the data from the 1999 run, we report on the observation of three isolated events with reconstructed…

High Energy Physics - Experiment · Physics 2019-08-14 E. Craig Dukes

We present the preliminary results of an exploratory study of heavy baryon spectroscopy, using the $O(a)$-improved fermionic action. Estimates of masses and splittings at the charm and beauty physical limit are reported.

High Energy Physics - Lattice · Physics 2007-05-23 Nicoletta Stella

The "BTeV/C0" experiment at Fermilab could reconstruct >10^9 charm decays, four orders of magnitude beyond the largest extant sample. The experiment is likely to run during Tevatron Run II (ca. 2000--2005). In addition to "programmatic"…

High Energy Physics - Experiment · Physics 2016-08-31 Daniel M. Kaplan

We study $\Lambda_c^\pm$ production in $pN$ and $\pi^-N$ interactions. Recent experimental data from the SELEX and E791 Collaborations at FNAL provide important information on the production mechanism of charm hadrons. In particular, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. C. Anjos , J. Magnin , G. Herrera

We report results of a study of doubly charmed baryons and charmed strange baryons. The analysis is performed using a 980 fb^-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We search for…

High Energy Physics - Experiment · Physics 2015-06-18 Y. Kato , T. Iijima , I. Adachi , H. Aihara , D. M. Asner , T. Aushev , A. M. Bakich , A. Bala , Y. Ban , V. Bhardwaj , B. Bhuyan , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , Z. Drásal , A. Drutskoy , D. Dutta , K. Dutta , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , N. Gabyshev , S. Ganguly , A. Garmash , R. Gillard , Y. M. Goh , B. Golob , J. Haba , K. Hayasaka , H. Hayashii , X. H. He , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , K. Inami , A. Ishikawa , Y. Iwasaki , T. Iwashita , I. Jaegle , T. Julius , J. H. Kang , E. Kato , T. Kawasaki , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , J. Klucar , B. R. Ko , P. Kodyš , S. Korpar , P. Krokovny , T. Kuhr , A. Kuzmin , Y. -J. Kwon , S. -H. Lee , J. Li , Y. Li , L. Li Gioi , J. Libby , Y. Liu , D. Liventsev , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , A. Moll , N. Muramatsu , R. Mussa , Y. Nagasaka , E. Nakano , M. Nakao , M. Nayak , E. Nedelkovska , C. Ng , M. Niiyama , N. K. Nisar , S. Nishida , O. Nitoh , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , H. K. Park , T. K. Pedlar , T. Peng , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , A. Rostomyan , H. Sahoo , T. Saito , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , D. Semmler , K. Senyo , O. Seon , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , M. Steder , M. Sumihama , T. Sumiyoshi , U. Tamponi , K. Tanida , G. Tatishvili , Y. Teramoto , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , Y. Yamashita , S. Yashchenko , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

The results of an exploratory lattice study of heavy baryon spectroscopy are presented. We have computed the full spectrum of the eight baryons containing a single heavy quark, on a $24^3\times 48$ lattice at $\beta=6.2$, using an…

High Energy Physics - Lattice · Physics 2012-08-27 UKQCD Collaboration

The correlation between baryon number and strangeness is used to discern the nature of the deconfined matter produced at vanishing chemical potential in high-energy nuclear collisions at the BNL RHIC. Comparisons of results of various…

Nuclear Theory · Physics 2009-11-11 A. Majumder , V. Koch , J. Randrup

We study charmed baryon resonances which are generated dynamically within a unitary meson-baryon coupled channel model that treats the heavy pseudoscalar and vector mesons on equal footing as required by heavy-quark symmetry. It is an…

High Energy Physics - Phenomenology · Physics 2009-10-15 C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo , L. Tolos

We present results on the masses of the low-lying baryons using ten ensembles of gauge configurations with $N_f =2+1+1$ dynamical twisted mass fermions, at three values of the lattice spacing, spanning a pion mass range from about 210 MeV…

High Energy Physics - Lattice · Physics 2014-12-03 C. Alexandrou , V. Drach , K. Hadjiyiannakou , K. Jansen , C. Kallidonis , G. Koutsou

We study two- and three-baryon systems with two units of charm looking for possible bound states or resonances. All two-baryon interactions are consistently derived from a constituent quark model tuned in the light-flavor hadron…

High Energy Physics - Phenomenology · Physics 2020-08-12 H. Garcilazo , A. Valcarce