Improved measurement of theB0 andB+ meson lifetimes |
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Authors: | ALEPH Collaboration D Buskulic I De Bonis D Decamp P Ghez C Goy J P Lees A Lucotte " target="_blank">M N Minard and P Odier |
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Institution: | ALEPH Collaboration, D. Buskulic, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J. P. Lees, A. Lucotte, M. N. Minard and P. Odier, et al. |
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Abstract: | The lifetimes of theB
0 andB
+ mesons have been measured with theAleph detector at LEP, using approximately 3 million hadronic Z decays collected in the period 1991–1994. In the first of three
methods, semileptonic decays ofB
0 andB
+ mesons were partially reconstructed by identifying events containing a lepton with an associatedD*− or meson. The second method used fully reconstructedB
0 andB
+ mesons. The third method, used to measure theB
0 lifetime, employed a partial reconstruction technique to identifyB
0→D*−
π
+
X decays. |
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Keywords: | |
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