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Description
| - V článku diskutujeme měření $B^0_d$ mixing frekvence a kalibraci protilehlého taggeru flavoru v experimentu D{/O}. Několik charakteristik s $b$ kvarkem na protilehlé straně zrekonstruováno $B$ mesonu bylo zkombinováno do jedné proměnné použitím metody likelihood-ratio a bylo tak dosaženo větší taggovací effektivity. Změřená frekvence $B^0_d$ mixingu dmd = 0.506 /pm 0.020 {/rm (stat) /pm 0.016 (syst) ps}^{-1} je v dobrém souhlasu se světovým průměrem (cs)
- We report on a measurement of the $B^0_d$ mixing frequency and the calibration of an opposite-side flavor tagger in the D{/O}experiment. Various properties associated with the $b$ quark on the opposite side of the reconstructed $B$ meson were combined using a likelihood-ratio method into a single variable with enhanced tagging power. Its performance was tested with data, using a large sample of reconstructed semileptonic $B /to /mu /dzero X$ and $B /to /mu /dst X$ decays, corresponding to an integrated luminosity of approximately 1 fb$^{-1}$. The events were divided into groups depending on the value of the combined tagging variable, and an independent analysis was performed in each group. Combining the results of these analyses, the overall effective tagging power was found to be eD^2 = (2.48 /pm 0.21 (stat.) ^{+0.08}_{-0.06} (syst.))%. The measured $B^0_d$ mixing frequency dmd = 0.506 /pm 0.020 {/rm (stat) /pm 0.016 (syst) ps}^{-1} is in good agreement with the world average value
- We report on a measurement of the $B^0_d$ mixing frequency and the calibration of an opposite-side flavor tagger in the D{/O}experiment. Various properties associated with the $b$ quark on the opposite side of the reconstructed $B$ meson were combined using a likelihood-ratio method into a single variable with enhanced tagging power. Its performance was tested with data, using a large sample of reconstructed semileptonic $B /to /mu /dzero X$ and $B /to /mu /dst X$ decays, corresponding to an integrated luminosity of approximately 1 fb$^{-1}$. The events were divided into groups depending on the value of the combined tagging variable, and an independent analysis was performed in each group. Combining the results of these analyses, the overall effective tagging power was found to be eD^2 = (2.48 /pm 0.21 (stat.) ^{+0.08}_{-0.06} (syst.))%. The measured $B^0_d$ mixing frequency dmd = 0.506 /pm 0.020 {/rm (stat) /pm 0.016 (syst) ps}^{-1} is in good agreement with the world average value (en)
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Title
| - Measurement of Bd mixing using opposite-side flavor tagging
- Měření Bd mixingu s použití protilehlého taggování flavoru (cs)
- Measurement of Bd mixing using opposite-side flavor tagging (en)
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skos:prefLabel
| - Measurement of Bd mixing using opposite-side flavor tagging
- Měření Bd mixingu s použití protilehlého taggování flavoru (cs)
- Measurement of Bd mixing using opposite-side flavor tagging (en)
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skos:notation
| - RIV/68378271:_____/06:00094211!RIV08-AV0-68378271
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(1P04LA210), P(1P05LA257), P(GP202/05/P583), P(LC527), Z(AV0Z10100502), Z(MSM 113200003)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68378271:_____/06:00094211
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - DØ; DZero; b-tagging; jets; mixing (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Physical Review D: Particles, Fields, Gravitation and Cosmology
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Abazov, V. M.
- Abbott, B.
- Kupčo, Alexander
- Lokajíček, Miloš
- Abolins, M.
- Šimák, Vladislav
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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