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ISSN - 00319007, EISSN - 10797114, Physical Review Letters, 2002, vol. 88, p. 221803/1-221803/7

Measurement of the B0-B̄0 oscillation frequency with inclusive dilepton events

Aubert B., Boutigny D., Gaillard J. M., Hicheur A., Karyotakis Y., Lees J. P., Robbe P., Tisserand V., Palano A., Pompili A., Chen G. P., Chen J. C., Qi N. D., Rong G., Wang P., Zhu Y. S., Eigen G., Stugu B., Abrams G. S., Borgland A. W., Breon A. B., Brown D. N., Button-Shafer J., Cahn R. N., Clark A. R., Gill M. S., Gritsan A. V., Groysman Y., Jacobsen R. G., Kadel R. W., Kadyk J., Kerth L. T., Kolomensky Y. G., Kral J. F., LeClerc C., Levi M. E., Lynch G., Oddone P. J., Pripstein M., Roe N. A., Romosan A., Ronan M. T., Shelkov V. G., Telnov A. V., Wenzel W. A., Bright-Thomas P. G., Harrison T. J., Hawkes C. M., Knowles D. J., O'Neale S. W., Penny R. C., Watson A. T., Watson N. K., Deppermann T., Goetzen K., Koch H., Kunze M., Lewandowski B., Peters K., Schmuecker H., Steinke M., Barlow N. R., Bhimji W., Chevalier N., Clark P. J., Cottingham W. N., Foster B., Mackay C., Wilson F. F., Abe K., Hearty C., Mattison T. S., McKenna J. A., Thiessen D., Jolly S., McKemey A. K., Blinov V. E., Bukin A. D., Bukin D. A., Buzykaev A. R., Golubev V. B., Ivanchenko V. N., Korol A. A., Kravchenko E. A., Onuchin A. P., Serednyakov S. I., Skovpen Y. I., Telnov V. I., Yushkov A. N., Best D., Chao M., Kirkby D., Lankford A. J., Mandelkern M., McMahon S., Stoker D. P., Arisaka K., Buchanan C., Chun S., MacFarlane D. B.

An overview is given on the measurement of the time dependence of B0-B̄0 mixing using data collected with the BABAR detector at the PEP-II asymmetric energy e+e- collider operated at or near the Υ(4S) resonance. The result is the single most precise measurements to date and is consistent with a recent BABAR measurement with a fully reconstructed B0 sample, as well as the world average of previous measurements.