Measurement of the average lifetime of b-hadrons produced in p anti p collisions at square root of s PDF Download
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Author: Hans Wenzel
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Languages : en
Pages : 0
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Author: Hans Wenzel
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Languages : en
Pages : 0
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![A Measurement of the Average Lifetime of B-hadrons Produced by E+e- -collisions at [square Root S] PDF](https://books.google.com/books/content/images/frontcover/d1nuHAAACAAJ?fife=w80-h100)
Author: JADE Collaboration
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Languages : en
Pages : 11
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Languages : de
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![Measurement of the Average Lifetime of B-hadrons Produced in P[bar P] Collisions At[radical] PDF](https://books.google.com/books/content/images/frontcover/lZbAjwEACAAJ?fife=w80-h100)
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Languages : en
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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].
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Languages : en
Pages : 5
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The Tevatron, with p{bar p} collisions at (square root)s = 1.96 TeV, can produce all flavors of B hadrons and allows for unprecedented studies in the B physics sector. The CDF and D0 collaborations have more than 5 fb−1 of data recorded. I present here a selection of recent results on the masses, lifetimes and mixings of B hadrons using between 1.0 and 2.8 fb−1 of data.
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Languages : en
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Data from ee− collisions collected by the MAC detector at the SLAC storage ring PEP with a new vertex chamber having position resolution of 50 .mu.m have been analyzed with a new method to make a determination of the lifetime of hadrons containing b-quarks. In addition, data collected with MAC before the vertex chamber was installed have been re-analyzed using the new method. The combined result for the B lifetime is tau/sub b/ = (1.16 +- 0.16(stat.) +- 0.07(syst.)ps) x (1 +- 0.15), where the last factor is the scale. 12 refs., 2 figs.
![Separated Vertex Search and Measurement of the B Hadron Lifetime in Ee− Annihilation at [square Root]s PDF](https://books.google.com/books/content/images/frontcover/VxzhtgAACAAJ?fife=w80-h100)
Author: Paul Weber
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Category : Hadrons
Languages : en
Pages : 266
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Category :
Languages : en
Pages :
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Author: David Robert Muller
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Category : Hadrons
Languages : en
Pages : 486
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Author: Daniel Edward Klem
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Category :
Languages : en
Pages : 304
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