A Measurement of the B-quark Forward-backward Charge Asymmetry in Electron-positron Annihilation at a Center-of-mass Energy of 58 GeV PDF Download
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Author: Timothy Lester Thomas
Publisher:
ISBN:
Category :
Languages : en
Pages : 548
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Author: Timothy Lester Thomas
Publisher:
ISBN:
Category :
Languages : en
Pages : 548
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Author: David Donald Stuart
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ISBN:
Category :
Languages : en
Pages : 236
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Category : Dissertations, Academic
Languages : en
Pages : 776
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Category : Power resources
Languages : en
Pages : 1470
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Author: David D. Stuart
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Category :
Languages : en
Pages : 0
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ISBN:
Category : Physics
Languages : en
Pages : 1256
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ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 800
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Category : Nuclear physics
Languages : en
Pages : 786
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Author:
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Category :
Languages : en
Pages : 11
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We measure the particle-level forward-backward production asymmetry in $\mathrm{b\bar{b}}$ pairs with masses (m$\mathrm{b\bar{b}}$) larger than 150 GeV/c2, using events with hadronic jets and employing jet charge to distinguish b from $\bar{b}$. The measurement uses 9.5 fb-1 of $\mathrm{p\bar{p}}$ collisions at a center-of-mass energy of 1.96 TeV recorded by the CDF II detector. The asymmetry as a function of m$\mathrm{b\bar{b}}$ is consistent with zero, as well as with the predictions of the standard model. The measurement disfavors a simple model including an axigluon with a mass of 200 GeV/c2, whereas a model containing a heavier 345 GeV/c2 axigluon is not excluded.
Author:
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Category : Chemistry
Languages : en
Pages : 2730
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