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arxiv: 1607.07123 · v2 · submitted 2016-07-25 · ✦ hep-ex

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Study of Excited Xi_c States Decaying into Xi_c⁰ and Xi_c^+ Baryons

Belle Collaboration: J. Yelton , I. Adachi , H. Aihara , V. Aulchenko , T. Aushev , R. Ayad , I. Badhrees , S. Bahinipati
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A. M. Bakich E. Barberio P. Behera B. Bhuyan J. Biswal G. Bonvicini A. Bozek M. Bra\v{c}ko T. E. Browder D. \v{C}ervenkov A. Chen B. G. Cheon K. Chilikin K. Cho Y. Choi D. Cinabro M. Danilov N. Dash S. Di Carlo Z. Dole\v{z}al Z. Dr\'asal D. Dutta S. Eidelman H. Farhat J. E. Fast T. Ferber B. G. Fulsom V. Gaur N. Gabyshev A. Garmash R. Gillard P. Goldenzweig T. Hara K. Hayasaka H. Hayashii W.-S. Hou G. Inguglia A. Ishikawa R. Itoh Y. Iwasaki W. W. Jacobs H. B. Jeon D. Joffe K. K. Joo T. Julius K. H. Kang E. Kato Y. Kato D. Y. Kim J. B. Kim K. T. Kim S. H. Kim K. Kinoshita P. Kody\v{s} S. Korpar D. Kotchetkov P. Kri\v{z}an P. Krokovny T. Kumita A. Kuzmin Y.-J. Kwon J. S. Lange C. H. Li H. Li L. Li Y. Li J. Libby D. Liventsev M. Lubej T. Luo M. Masuda T. Matsuda D. Matvienko H. Miyata R. Mizuk A. Moll H. K. Moon T. Nanut K. J. Nath M. Nayak K. Negishi M. Niiyama S. Nishida S. Ogawa S. Okuno P. Pakhlov G. Pakhlova B. Pal C.-S. Park H. Park S. Paul T. K. Pedlar R. Pestotnik L. E. Piilonen C. Pulvermacher M. Ritter A. Rostomyan Y. Sakai S. Sandilya L. Santelj T. Sanuki V. Savinov T. Schl\"uter O. Schneider G. Schnell C. Schwanda Y. Seino K. Senyo O. Seon M. E. Sevior V. Shebalin C. P. Shen T.-A. Shibata J.-G. Shiu A. Sokolov E. Solovieva S. Stani\v{c} M. Stari\v{c} J. F. Strube M. Sumihama T. Sumiyoshi M. Takizawa K. Tanida F. Tenchini M. Uchida T. Uglov S. Uno P. Urquijo Y. Usov C. Van Hulse G. Varner A. Vinokurova C. H. Wang M.-Z. Wang P. Wang Y. Watanabe E. Widmann K. M. Williams E. Won C. Z. Yuan Z. P. Zhang V. Zhilich V. Zhukova V. Zhulanov A. Zupanc
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classification ✦ hep-ex
keywords baryonsdatadecayexcitedmeasurementsstatesannihilationasymmetric-energy
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Using a data sample of 980 ${\rm fb}^{-1}$ of $e^+e^-$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^+e^-$ collider, we report the results of a study of excited $\Xi_c$ states that decay, via the emission of photons and/or charged pions, into $\Xi_c^0$ or $\Xi_c^+$ ground state charmed-strange baryons. We present new measurements of the masses of all members of the $\Xi_c^{\prime}$, $\Xi_c(2645)$, $\Xi_c(2790)$, $\Xi_c(2815)$, and $\Xi_c(2980)$ isodoublets, measurements of the intrinsic widths of those that decay strongly, and evidence of previously unknown transitions.

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