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29 March 2024
 
  » pubmed » pmid11328145

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Evidence of New States Decaying into Xi(*)(c)pi
S E Csorna ; I Danko ; K W McLean ; Z Xu ; R Godang ; G Bonvicini ; D Cinabro ; M Dubrovin ; S McGee ; G J Zhou ; A Bornheim ; E Lipeles ; S P Pappas ; M Schmidtler ; A Shapiro ; W M Sun ; A J Weinstein ; D E Jaffe ; G Masek ; H P Paar ; D M Asner ; A Eppich ; T S Hill ; R J Morrison ; R A Briere ; G P Chen ; T Ferguson ; H Vogel ; A Gritsan ; J P Alexander ; R Baker ; C Bebek ; B E Berger ; K Berkelman ; F Blanc ; V Boisvert ; D G Cassel ; P S Drell ; J E Duboscq ; K M Ecklund ; R Ehrlich ; A D Fol ; P Gaidarev ; R S Galik ; L Gibbons ; B Gittelman ; S W Gray ; D L Hartill ; B K Heltsley ; P I Hopman ; L Hsu ; C D Jones ; J Kandaswamy ; D L Kreinick ; M Lohner ; A Magerkurth ; T O Meyer ; N B Mistry ; E Nordberg ; M Palmer ; J R Patterson ; D Peterson ; D Riley ; A Romano ; J G Thayer ; D Urner ; B Valant-Spaight ; G Viehhauser ; A Warburton ; P Avery ; C Prescott ; A I Rubiera ; H Stoeck ; J Yelton ; G Brandenburg ; A Ershov ; D Y Kim ; R Wilson ; T Bergfeld ; B I Eisenstein ; J Ernst ; G E Gladding ; G D Gollin ; R M Hans ; E Johnson ; I Karliner ; M A Marsh ; C Plager ; C Sedlack ; M Selen ; J J Thaler ; J Williams ; K W Edwards ; R Janicek ; P M Patel ; A J Sadoff ; R Ammar ; A Bean ; D Besson ; X Zhao ; S Anderson ; V V Frolov ; Y Kubota ; S J Lee ; R Mahapatra ; J J O’Neill ; R Poling ; T Riehle ; A Smith ; C J Stepaniak ; J Urheim ; S Ahmed ; M S Alam ; S B Athar ; L Jian ; L Ling ; M Saleem ; S Timm ; F Wappler ; A Anastassov ; E Eckhart ; K K Gan ; C Gwon ; T Hart ; K Honscheid ; D Hufnagel ; H Kagan ; R Kass ; T K Pedlar ; H Schwarthoff ; J B Thayer ; E von Toerne ; M M Zoeller ; S J Richichi ; H Severini ; P Skubic ; A Undrus ; V Savinov ; S Chen ; J Fast ; J W Hinson ; J Lee ; D H Miller ; E I Shibata ; I P Shipsey ; V Pavlunin ; D Cronin-Hennessy ; A L Lyon ; E H Thorndike ; T E Coan ; V Fadeyev ; Y S Gao ; Y Maravin ; I Narsky ; R Stroynowski ; J Ye ; T Wlodek ; M Artuso ; R Ayad ; C Boulahouache ; K Bukin ; E Dambasuren ; G Majumder ; G C Moneti ; R Mountain ; S Schuh ; T Skwarnicki ; S Stone ; J C Wang ; A Wolf ; J Wu ; S Kopp ; M Kostin ; A H Mahmood ;
Date 7 May 2001
Journal Phys Rev Lett, 86 (19), 4243-6
AbstractUsing 13.7 fb(-1) of data recorded by the CLEO detector at Cornell Electron Storage Ring, we report evidence of two new charmed baryons: one decaying into Xi(0’)(c)pi(+) with the subsequent decay Xi(0’)(c)-->Xi(0)(c)gamma, and its isospin partner decaying into Xi(+’)(c)pi(-) followed by Xi(+’)(c)-->Xi(+)(c)gamma. We measure the following mass differences for the two states: M(Xi(0)(c)gammapi(+))-M(Xi(0)(c)) = 318.2+/-1.3+/-2.9 MeV and M(Xi(+)(c)gammapi(-))-M(Xi(+)(c)) = 324.0+/-1.3+/-3.0 MeV. We interpret these new states as the J(P) = 1 / 2(-) Xi(c1) particles, the charmed-strange analogs of the Lambda(+)(c1)(2593).
Source PubMed, pmid11328145
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