Precision measurements of the lambda(+)(c) and D0 lifetimes期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Precision measurements of the lambda(+)(c) and D0 lifetimes

Authors:	Kushnirenko A Alkhazov G Atamantchouk A G Balatz M Y Bondar N F Cooper P S Dauwe L J Davidenko G V Dersch U Dolgolenko A G Dzyubenko G B Edelstein R Emediato L Endler A M Engelfried J Eschrich I Escobar C O Evdokimov A V Filimonov I S Garcia F G Gaspero M Giller I Golovtsov V L Gouffon P Gülmez E Kangling H Iori M Jun S Y Kaya M Kilmer J Kim V T Kochenda L M Konorov I Kozhevnikov A P Krivshich A G Krüger H Kubantsev M A Kubarovsky V P Kulyavtsev A I Kuropatkin N P Kurshetsov V F Kwan S Lach J Lamberto A Landsberg L G Larin I Leikin E M Yunshan L Luksys M Lungov T Maleev V P Mao D Chensheng M

Affiliation:	Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213, USA.

Abstract:	We report new precision measurements of the lifetimes of the Lambda(+)(c) and D0 from SELEX, the charm hadroproduction experiment at Fermilab. Based upon 1630 Lambda(+)(c) and 10 210 D0 decays we observe lifetimes of tau[Lambda(+)(c)] = 198.1+/-7.0+/-5.6 fs and tau[D0] = 407.9+/-6.0+/-4.3 fs.

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