Measurement of the mass of the Λb baryon

Buskulic, D. and Finch, Alexander (1996) Measurement of the mass of the Λb baryon. Physics Letters B, 380 (3-4). pp. 442-452. ISSN 0370-2693

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In a data sample of four million hadronic Z decays collected with the ALEPH detector at LEP, four Λb baryon candidates are exclusively reconstructed in the Λb → Λc+π− channel, with the Λc+ decaying into pK−π+, , or Λπ+π+π−. The probability of the observed signal to be due to a background fluctuation is estimated to be 4.2 × 10−4. The mass of the Λb is measured to be 5614±21 (stat.) ± 4 (syst.) MeV/c2.

Item Type: Journal Article
Journal or Publication Title: Physics Letters B
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3106
Departments: Faculty of Science and Technology > Physics
ID Code: 64051
Deposited By: ep_importer_pure
Deposited On: 09 May 2013 15:52
Refereed?: Yes
Published?: Published
Last Modified: 04 Sep 2019 04:46

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