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28 March 2024
 
  » pubmed » pmid17155385

 Article overview


Observation of new states decaying into Lambda(c)(+)Kappa(-)pi(+) and Lambda(c)(+)Kappa(0)/(s)pi(-)
R Chistov ; K Abe ; K Abe ; I Adachi ; H Aihara ; D Anipko ; V Aulchenko ; T Aushev ; A M Bakich ; V Balagura ; E Barberio ; A Bay ; I Bedny ; K Belous ; U Bitenc ; I Bizjak ; S Blyth ; A Bondar ; A Bozek ; M Bracko ; J Brodzicka ; T E Browder ; M-C Chang ; Y Chao ; A Chen ; K-F Chen ; W T Chen ; B G Cheon ; Y Choi ; Y K Choi ; A Chuvikov ; S Cole ; J Dalseno ; M Danilov ; M Dash ; J Dragic ; A Drutskoy ; S Eidelman ; D Epifanov ; N Gabyshev ; A Garmash ; T Gershon ; A Go ; G Gokhroo ; B Golob ; A Gorisek ; H Ha ; J Haba ; T Hara ; K Hayasaka ; H Hayashii ; M Hazumi ; D Heffernan ; T Hokuue ; Y Hoshi ; S Hou ; W-S Hou ; Y B Hsiung ; T Iijima ; A Imoto ; K Inami ; A Ishikawa ; R Itoh ; M Iwasaki ; Y Iwasaki ; J H Kang ; N Katayama ; H Kawai ; T Kawasaki ; H R Khan ; H Kichimi ; H J Kim ; H O Kim ; K Kinoshita ; S Korpar ; P Krizan ; P Krokovny ; R Kumar ; C C Kuo ; A Kuzmin ; Y-J Kwon ; G Leder ; J Lee ; T Lesiak ; S-W Lin ; D Liventsev ; F Mandl ; D Marlow ; T Matsumoto ; A Matyja ; S McOnie ; W Mitaroff ; K Miyabayashi ; H Miyake ; H Miyata ; Y Miyazaki ; R Mizuk ; G R Moloney ; T Nagamine ; E Nakano ; M Nakao ; S Nishida ; O Nitoh ; T Nozaki ; S Ogawa ; T Ohshima ; T Okabe ; S Okuno ; S L Olsen ; Y Onuki ; H Ozaki ; P Pakhlov ; G Pakhlova ; H Palka ; H Park ; K S Park ; R Pestotnik ; L E Piilonen ; Y Sakai ; T Schietinger ; O Schneider ; A J Schwartz ; R Seidl ; M E Sevior ; M Shapkin ; H Shibuya ; B Shwartz ; V Sidorov ; J B Singh ; A Sokolov ; A Somov ; N Soni ; S Stanic ; M Staric ; H Stoeck ; T Sumiyoshi ; S Suzuki ; F Takasaki ; N Tamura ; M Tanaka ; G N Taylor ; Y Teramoto ; X C Tian ; I Tikhomirov ; T Tsuboyama ; T Tsukamoto ; S Uehara ; T Uglov ; K Ueno ; S Uno ; Y Usov ; G Varner ; S Villa ; C C Wang ; C H Wang ; M-Z Wang ; Y Watanabe ; E Won ; C-H Wu ; Q L Xie ; B D Yabsley ; A Yamaguchi ; Y Yamashita ; M Yamauchi ; L M Zhang ; Z P Zhang ; ;
Date 20 Oct 2006
Journal Phys Rev Lett, 97 (16), 162001
AbstractWe report the first observation of two charmed strange baryons that decay into Lambda(c)(+)Kappa(-)pi(+). The broader of the two states is measured to have a mass of 2978.5+/-2.1+/-2.0 MeV/c2 and a width of 43.5+/-7.5+/-7.0 MeV/c2. The mass and width of the narrow state are measured to be 3076.7+/-0.9+/-0.5 MeV/c;{2} and 6.2+/-1.2+/-0.8 MeV/c2, respectively. We also perform a search for the isospin partner states that decay into Lambda(c)(+)Kappa(0)/(s)pi(-) and observe a significant signal at the mass of 3082.8+/-1.8+/-1.5 MeV/c2. The data used for this analysis were accumulated at or near the Upsilon(4S) resonance, using the Belle detector at the e+ e- asymmetric-energy collider KEKB. The integrated luminosity of the data sample used is 461.5 fb(-1).
Source PubMed, pmid17155385
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