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Forward backward asymmetry in e+e− \to t¯t at \sqrt = 500GeV for fully hadronic decays of the t¯t pair

Abstract : We determine the statistical precision for the forward back asymmetry AtFB in e+e− \to t¯t for the fully hadronic decay mode t¯t \to (bq¯q)(¯bq¯q) at ps = 500 GeV. Results are given for the beam polarisations P(e−, e+) = (−80%, +30%) and P(e−, e+) = (+80%,−30%) for an integrated luminosity of 250 fb−1 for each polarisation. Only signal events are used for the analysis, with overlay. The expected precisions are 2.9% in case of P(e−, e+) = (−80%, +30%) and 3.2% in case of P(e−, e+) = (+80%,−30%).
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http://hal.in2p3.fr/in2p3-00983020
Contributor : Sabine Starita <>
Submitted on : Thursday, April 24, 2014 - 4:20:43 PM
Last modification on : Wednesday, September 16, 2020 - 4:25:15 PM

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  • HAL Id : in2p3-00983020, version 1

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IN2P3 | LAL | CNRS

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M.S. Amjad, T. Frisson, R. Pöschl, F. Richard, J. Rouëné. Forward backward asymmetry in e+e− \to t¯t at \sqrt = 500GeV for fully hadronic decays of the t¯t pair. Helmholtz Alliance Linear Collider Forum, Feb 2012, Hamburg, Germany. pp.86-92. ⟨in2p3-00983020⟩

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