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A Measurement Of The Average B Hadron Lifetime And B Fraction In Multihadronic Decays Of The Zsuperior 0 At Opal
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Book Synopsis A Measurement of the Average B Hadron Lifetime and B Fraction in Multihadronic Decays of the Z[superior 0] at OPAL by : Jonathan Paul Walker
Download or read book A Measurement of the Average B Hadron Lifetime and B Fraction in Multihadronic Decays of the Z[superior 0] at OPAL written by Jonathan Paul Walker and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average B Hadron Lifetime in Zo Decays by : Denis J. Dumas
Download or read book Measurement of the Average B Hadron Lifetime in Zo Decays written by Denis J. Dumas and published by . This book was released on 1993 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Preliminary Measurement of the Average B Hadron Lifetime by :
Download or read book A Preliminary Measurement of the Average B Hadron Lifetime written by and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The average B hadron lifetime was measured using data collected with the SLD detector at the SLC in 1993. From a sample of -50,000 Z° events, a sample enriched in Z° → b{bar b} was selected by applying an impact parameter tag. The lifetime was extracted from the decay length distribution of inclusive vertices reconstructed in three dimensions. A binned maximum likelihood method yielded an average B hadron lifetime of?{sub B} = 1.577±0.032(stat.)±0.046(syst.) ps.
Book Synopsis A Preliminary, Precise Measurement of the Average B Hadron Lifetime by :
Download or read book A Preliminary, Precise Measurement of the Average B Hadron Lifetime written by and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Average Lifetime of B Hadrons Using Vertex Reconstruction by : David Robert Muller
Download or read book A Measurement of the Average Lifetime of B Hadrons Using Vertex Reconstruction written by David Robert Muller and published by . This book was released on 1989 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Average Lifetime of Hadrons Containing Bottom Quarks by : Daniel Edward Klem
Download or read book A Measurement of the Average Lifetime of Hadrons Containing Bottom Quarks written by Daniel Edward Klem and published by . This book was released on 1986 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Mean B-Hadron Lifetime Using the Central Drift Chambers of the OPAL Experiment at LEP. by :
Download or read book A Measurement of the Mean B-Hadron Lifetime Using the Central Drift Chambers of the OPAL Experiment at LEP. written by and published by . This book was released on 1993 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average B-hadron Lifetime at CDF with Run 2 Data by : Stefan Bernard Gromoll
Download or read book Measurement of the Average B-hadron Lifetime at CDF with Run 2 Data written by Stefan Bernard Gromoll and published by . This book was released on 2002 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average Lifetime of B-hadrons Produced in P[bar P] Collisions At[radical] by :
Download or read book Measurement of the Average Lifetime of B-hadrons Produced in P[bar P] Collisions At[radical] written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The average b-hadron lifetime has been measured using a high statistics sample of[ital B][r-arrow][ital J]/[psi][Chi] decays recorded with the Collider Detector at Fermilab. We use a sample with an integrated luminosity of[approx] 90[ital pb][sup -1] recorded during the 1994-95 running period. The decay vertices of[approx] 62656 inclusive[ital J]/[psi][r-arrow][mu][sup+][mu][sup -] candidates have been reconstructed using information from a silicon vertex-detector. The measured[ital B]lifetime, which is the average over all b-hadrons produced in[ital p][ital[anti p]] collisions at[radical]s= 1.8 TeV weighted by their branching ratios into[ital J]/[psi], is 1.524[+-] 0.015 ([ital stat])[sup+0.035][sub -0.026] ([ital sys]) ps. The precision of this measurement is significantly improved compared to the inclusive lifetime measurement published previously using[approx] 10[ital pb][sup -1].
Book Synopsis Measurement of the Average B Hadron Lifetime with the L3 Detector at LEP by : David M. McNally
Download or read book Measurement of the Average B Hadron Lifetime with the L3 Detector at LEP written by David M. McNally and published by . This book was released on 1993 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average B Hadron Lifetime Using Reconstructed Vertices in Three-dimensions by : Sumit Sen
Download or read book Measurement of the Average B Hadron Lifetime Using Reconstructed Vertices in Three-dimensions written by Sumit Sen and published by . This book was released on 1997 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the B Hadron Lifetime by : Renʹe Ashwin Ong
Download or read book Measurement of the B Hadron Lifetime written by Renʹe Ashwin Ong and published by . This book was released on 1987 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average Lifetime of B Hadrons by : DELPHI.
Download or read book Measurement of the Average Lifetime of B Hadrons written by DELPHI. and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Average Lifeetime of B Hadrons at SLD. by :
Download or read book Measurement of the Average Lifeetime of B Hadrons at SLD. written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary measurements of the average B hadron lifetime using a sample of 50,000 Z[sup 0] events collected by SLD at the SLC in 1993. Their first technique uses the impact parameter of tracks in jets opposite tagged b jets. They obtain [tau][sub B]([delta]) = 1.617 [+-] 0.048 [+-] 0.086 ps, and [tau][sub B]([Sigma][delta]) = 1.627 [+-] 0.054 [+-] 0.132 ps from single and summed impact parameter distributions. The second technique uses inclusive vertices reconstructed in three dimensions. From the decay length distribution, they extract [tau][sub B] = 1.577 [+-] 0.032 [+-] 0.046 ps.
Book Synopsis B Baryon Production and Decays and B Hadron Lifetimes by :
Download or read book B Baryon Production and Decays and B Hadron Lifetimes written by and published by . This book was released on 2010 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we review the most recent results concerning B Baryons at CDF and D0, including the observation and the study of the properties of the?{sub b}−,?{sub b}− and?{sub b}{sup ±(*)}, the observation of new?{sub b}° decay modes, and a new measurement of the lifetime of the b hadrons in decays with a J/?. The?{sub b}− baryon is observed through the decay chain?{sub b}− → J/??−, where J/? →??−,?− →?K−, and? → pK−, using 4.2 fb−1 of data. The?{sub b}− mass is measured to be 6054.4 ± 6.8(stat.) ± 0.9(syst.) MeV/c2, and the lifetime 1.13{sub -0.40}{sup +0.53}(stat.) ± 0.02(syst.) ps. For the?{sub b}− the mass is measured 5790.9 ± 2.6(stat.) ± 0.8(syst.) MeV/c2 and the lifetime 1.56{sub -0.25}{sup +0.27}(stat.) ± 0.02(syst.) ps. A new accurate measurement of the properties of the resonances?{sub b}+,?{sub b}−,?*{sub b}+, and?*{sub b}− has been performed in 6 fb−1 of data, and the masses have been determined, m(?{sub b}+) = 5811.2{sub -0.8}{sup +0.9}(stat.) ± 1.7(syst.), m(?{sub b}−) = 5815.5{sub -0.5}{sup +0.6}(stat.) ± 1.7(syst.), m(?*{sub b}+) = 5832.0 ± 0.7(stat.) ± 1.8(syst.), and m(?*{sub b}−) = 5835.0 ± 0.6(stat.) ± 1.8(syst.). The?{sub b}° →?{sub c}(2595)+?− →?{sub c}+?−?+?−,?{sub b}° →?{sub c}(2625)+?− →?{sub c}+?−?+?−,?{sub b}° →?{sub c}(2455){sup ++}?−?− →?{sub c}+?−?+?−, and?{sub b}° →?{sub c}(2455)°?+?− →?{sub c}+?−?+?−. CDF has performed new measurements of the b hadron lifetimes in decays with a J/?. The measured lifetimes are the currently most precise determination of the B+, B° and?{sub b}° lifetimes. The measured values are c?(B+) = 491.4 ± 2.6(stat.) ± 2.6(syst.)?m, c?(B) = 451.7 ± 3.0(stat.) ± 2.5(syst.)?m, and c?(?{sub b}°) = 460.8 ± 13.4(stat.) {+-} 4.1(syst.)?m.
Book Synopsis B-lifetime Measurements at the Tevatron by :
Download or read book B-lifetime Measurements at the Tevatron written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During the run period from May 1992 to begin of June 1993 the Collider Detector at Fermilab (CDF) has recorded [approx] 21.4 pb[sup [minus]1] of p[anti p] collider data at [radical]s = 1.8 TeV. For this run the detector had been upgraded which significantly enhanced its b-physics capabilities. The upgrades include a high precision Silicon VerteX detector (SVX) which enables CDF to reconstruct the decay vertex and decay length of b-hadrons. In this article the author reports on several measurements of the lifetime of b-flavored hadrons. The determination of the average b-lifetime using inclusive J/[psi]'s, the measurement of the B[sup [+-]] and B[sup 0] lifetimes by reconstructing exclusive final states including a J/[psi] or [psi](2S) and a measurement of the B[sub s][sup 0] meson lifetime exploiting the decay: B[sub s] [yields] l[nu]D[sub s][sup +] [yields] l[nu][phi][pi][sup +] [yields] l[nu]K[sup +]K[sup [minus]][pi][sup +].
Book Synopsis Design and Construction of a Vertex Chamber and Measurement of the Average B-Hadron Lifetime by : Harry N. Nelson
Download or read book Design and Construction of a Vertex Chamber and Measurement of the Average B-Hadron Lifetime written by Harry N. Nelson and published by . This book was released on 1987 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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