Measurement Of The B0s Lifetime Using The Semileptonic Decay Channel B0s 2d Smu Vx PDF Download
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| Total Pages | : 135 |
| Release | : 2009 |
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Download Measurement of the B0s Lifetime Using the Semileptonic Decay Channel B0s {u2192} D-s?+vX. Book in PDF, ePub and Kindle
We report a measurement of the B0s lifetime in the semileptonic decay channel BB0s → D-s?+vX (and its charge conjugate), using approximately 0.4 fb-1 of data collected with the DØ detector during 2002–2004. Using 5176 reconstructed D-s ?+ signal events, we have measured the B0s lifetime to be ? (B0s) = 1.398 ± 0.044 (stat)+0.028 -0.025 (syst) ps. This is the most precise measurement of the B0s lifetime to date.
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| Total Pages | : 135 |
| Release | : 2009 |
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Download Measurement of the B0s Lifetime Using the Semileptonic Decay Channel B0s 2!D-s[mu]+vX. Book in PDF, ePub and Kindle
We report a measurement of the B0s lifetime in the semileptonic decay channel BB0s → D-s[mu]+vX (and its charge conjugate), using approximately 0.4 fb-1 of data collected with the DØ detector during 2002-2004. Using 5176 reconstructed D-s [mu]+ signal events, we have measured the B0s lifetime to be [tau] (B0s) = 1.398 ± 0.044 (stat)+0.028 -0.025 (syst) ps. This is the most precise measurement of the B0s lifetime to date.
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| Release | : 2015 |
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Download Measurement of the B0s Lifetime in the Flavor-specific Decay Channel B0s {u2192} D-s?+?X. Book in PDF, ePub and Kindle
We present an updated measurement of the B0s lifetime using the semileptonic decays B0s → D-s?+?X, with D–s → ?– and ? → K+K– (and the charge conjugate process). This measurement uses the full Tevatron Run II sample of proton-antiproton collisions at √s = 1.96 TeV, comprising an integrated luminosity of 10.4 fb–1. We find a flavor-specific lifetime ?fs(B0s) = 1.479 ± 0.010(stat) ± 0.021(syst) ps. This technique is also used to determine the B0 lifetime using the analogous B0 → D–?+?X decay with D– → ??– and ? → K+K–, yielding ?(B0) = 1.534 ± 0.019(stat) ± 0.021(syst) ps. Both measurements are consistent with the current world averages, and the B0s lifetime measurement is one of the most precise to date. As a result, taking advantage of the cancellation of systematic uncertainties, we determine the lifetime ratio ?fs(B0s)/?(B0) = 0.964 ± 0.013(stat) ± 0.007(syst).
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| Release | : 2015 |
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Download Measurement of the B0s Lifetime in the Flavor-specific Decay Channel B0s 2!D-s[mu]+[nu]X. Book in PDF, ePub and Kindle
We present an updated measurement of the B0s lifetime using the semileptonic decays B0s → D-s[mu]+[nu]X, with D-s → [pi]- and [Phi] → K+K- (and the charge conjugate process). This measurement uses the full Tevatron Run II sample of proton-antiproton collisions at √s = 1.96 TeV, comprising an integrated luminosity of 10.4 fb-1. We find a flavor-specific lifetime [tau]fs(B0s) = 1.479 ± 0.010(stat) ± 0.021(syst) ps. This technique is also used to determine the B0 lifetime using the analogous B0 → D-[mu]+[nu]X decay with D- → [Phi][pi]- and [Phi] → K+K-, yielding [tau](B0) = 1.534 ± 0.019(stat) ± 0.021(syst) ps. Both measurements are consistent with the current world averages, and the B0s lifetime measurement is one of the most precise to date. As a result, taking advantage of the cancellation of systematic uncertainties, we determine the lifetime ratio [tau]fs(B0s)/[tau](B0) = 0.964 ± 0.013(stat) ± 0.007(syst).
| Author | : Chun Yang |
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| Total Pages | : 264 |
| Release | : 2007 |
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Download Measurement of the B0s Lifetime Using Semi-leptonic Decays with the Collider Detector at Fermilab Book in PDF, ePub and Kindle
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| Total Pages | : 7 |
| Release | : 2006 |
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Download A Precise Measurement of the B0(s) Lifetime Book in PDF, ePub and Kindle
The authors report a measurement of the B{sub s}° lifetime in the semileptonic decay channel B{sub s}° → D{sub s}−??X (and its charge conjugate), using approximately 0.4 fb−1 of data collected with the D0 detector during 2002-2004. They have reconstructed 5176 D{sub s}−?+ signal events, where the D{sub s}− is identified via the decay D{sub s}° →??−, followed by? → K+K−. Using these events, they have measured the B{sub s}° lifetime to be?(B{sub s}°) = 1.398 ± 0.044 (stat){sub -0.025}{sup +0.028}(syst) ps. This is the most precise measurement of the B{sub s}° lifetime to date.
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| Total Pages | : 7 |
| Release | : 2007 |
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Download Measurement of the Lambda(b)0 Lifetime Using Semileptonic Decays Book in PDF, ePub and Kindle
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| Total Pages | : 75 |
| Release | : 2010 |
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Download Measurement of B0 and B+ Lifetimes Using Semileptonic Decays at CDF. Book in PDF, ePub and Kindle
Lifetime measurements for B0 and B+ are presented using semileptonic decays of B mesons from 360 pb-1 of data collected by CDF's lepton plus displaced track trigger. The decays B 2!l[nu]DX, where D is either D +, D0, or D* +, are partially reconstructed from a muon or electron, a displaced track, and a fully reconstructed charm meson. The B 0 and B+ lifetimes are obtained from an unbinned maximum-likelihood fit to the proper decay length distributions. The measured lifetimes are [tau]B 0 = 1.527 ± 0.012(stat.) ± 0.023(syst.)ps and [tau]B + = 1.629 ± 0.013(stat.) ± 0.025(syst.)ps.
| Author | : Jim I. Mead |
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| Total Pages | : 230 |
| Release | : 1985 |
| Genre | : America |
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Download Environments and Extinctions Book in PDF, ePub and Kindle
10 papers using new conceptual frameworks to interpret late Quaternary cultural and environmental remains. Chapters are composed largely of the proceedings of a symposium held at the Society for American Archaeology meetings in 1982.
| Author | : Harry Farrar |
| Publisher | : ASTM International |
| Total Pages | : 854 |
| Release | : 1994 |
| Genre | : Nuclear reactors |
| ISBN | : 0803118996 |
Download Reactor Dosimetry Book in PDF, ePub and Kindle
Proceedings of the 8th ASTM-Euratom Symposium, held in Vail, Colorado, Aug.-Sept. 1993, to provide a forum for experts to discuss their latest results under the broad theme of dosimetry for the correlation of radiation effects. Preceded by a summary of the keynote presentations and followed by summa
