Measurement of the flavor oscillation frequency and study of same side flavor tagging of mesons in collisions

F Abe, H Akimoto, A Akopian, MG Albrow, A Amadon… - Physical Review D, 1998 - APS
B d 0− B d 0 oscillations are observed in “self-tagged” samples of partially reconstructed B
mesons decaying into a lepton and a charmed meson collected in pp collisions at s= 1.8
TeV. A flavor tagging technique is employed which relies upon the correlation between the
flavor of B mesons and the charge of a nearby particle. We measure the flavor oscillation
frequency to be Δ md= 0.471− 0.068+ 0.078±0.034 ps− 1. The tagging method is also
demonstrated in exclusive samples of B u+→ J/ψ K+ and B d 0→ J/ψ K* 0 (892), where …

Measurement of the Bd0-B̄d0 flavor oscillation frequency and study of same side flavor tagging of B mesons in pp̄ collisions

M Reischl, F Abe, H Akimoto, A Akopian, MG Albrow… - 1999 - gnosis.library.ucy.ac.cy
Bd0-B̄d0 oscillations are observed in" self-tagged" samples of partially reconstructed B
mesons decaying into a lepton and a charmed meson collected in pp̄ collisions at√ s= 1.8
TeV. A flavor tagging technique is employed which relies upon the correlation between the
flavor of B mesons and the charge of a nearby particle. We measure the flavor oscillation
frequency to be Δmd= 0.471-0.068+ 0.078±0.034 ps-1. The tagging method is also
demonstrated in exclusive samples of Bu+→ J/ψK+ and Bd0→ J/ψK* 0 (892), where similar …
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