|
|||||
|
|
Observation of new states decaying into Lambda+(c)pi(-)pi(+) |
|
| Authors: | Artuso M Ayad R Boulahouache C Bukin K Dambasuren E Karamov S Majumder G Moneti G C Mountain R Schuh S Skwarnicki T Stone S Wang J C Wolf A Wu J Kopp S Kostin M Mahmood A H Csorna S E Danko I McLean K W Xu Z Godang R Bonvicini G Cinabro D Dubrovin M McGee S Zhou G J Lipeles E Pappas S P Schmidtler M Shapiro A Sun W M Weinstein A J Würthwein F Jaffe D E Masek G Paar H P Potter E M Prell S Asner D M Eppich A Hill T S Morrison R J Briere R A Chen G P Gritsan A Alexander J P Baker R Bebek C Berger B E Berkelman K Blanc F Boisvert V Cassel D G Drell P S Duboscq J E Ecklund K M Ehrlich R Foland A D |
| Affiliation: | Syracuse University, Syracuse, New York 13244, USA. |
| Abstract: | Using 13.7 fb(-1) of data recorded by the CLEO detector at the Cornell Electron Storage Ring, we investigate the spectrum of charmed baryons which decay into Lambda+(c)pi(-)pi(+) and are more massive than the Lambda+(c)(2625) baryon. We find evidence for two new states: one is broad and has an invariant mass roughly 480 MeV above that of the Lambda+(c) baryon; the other is narrow with an invariant mass of 596+/-1+/-2 MeV above the Lambda+(c) mass. |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ | |