Title
Measurement of the <tex>$B_{c}^{+}$</tex> meson lifetime using the decay mode <tex>$B_{c}^{+}\rightarrow J/\psi e^{+}\nu_{e}$</tex> Measurement of the <tex>$B_{c}^{+}$</tex> meson lifetime using the decay mode <tex>$B_{c}^{+}\rightarrow J/\psi e^{+}\nu_{e}$</tex>
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
97(2006) :1 , p. 012002,1-012002,7
ISSN
0031-9007
ISI
000238849000011
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present a measurement of the Bc+ meson lifetime in the decay mode Bc+→J/ψe+νe using the Collider Detector at Fermilab II detector at the Fermilab Tevatron Collider. From a sample of about 360  pb-1 of pp&#773; collisions at √s=1.96  TeV, we reconstruct J/ψe+ pairs with invariant mass in the kinematically allowed range 4<MJ/ψe<6  GeV/c2. A fit to the decay-length distribution of 238 signal events yields a measured Bc+ meson lifetime of 0.463+0.073/-0.065(stat)±0.036(syst)  ps.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/e6eb69/c75653f5.pdf
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