The processes $e^+e^-\to b\bar bW^\pm H^\mp$ and $e^+e^-\to b\bar bH^+H^-$ at the Next Linear Collider in the Minimal Supersymmetric Standard Model

S. Moretti; K. Odagiri

doi:10.1007/s100520050112

paper

The processes $e^{+} e^{-} \to b b ˉ W^{\pm} H^{\mp}$ and $e^{+} e^{-} \to b b ˉ H^{+} H^{-}$ at the Next Linear Collider in the Minimal Supersymmetric Standard Model

arXiv:hep-ph/9705389 · doi:10.1007/s100520050112

Abstract

The complete matrix elements for $e^{+} e^{-} \to b b ˉ W^{\pm} H^{\mp}$ and $e^{+} e^{-} \to b b ˉ H^{+} H^{-}$ are computed at tree-level within the Minimal Supersymmetric Standard Model. Rates of interest to phenomenological analyses at the Next Linear Collider are given. In particular, we analyse: (i) $t t ˉ$ pair production followed by the top decays into $b b ˉ W^{\pm} H^{\mp}$ and $b b ˉ H^{+} H^{-}$ final states; (ii) $H^{+} H^{-}$ signals in which $H^{\pm} \to h W^{\pm} \to b b ˉ W^{\pm}$ and $H^{\pm} \to t b \to b b ˉ W^{\pm}$ . Top and Higgs finite width effects are included as well as all those due to the irreducible backgrounds.

34 pages, latex, epsfig, 15 postscript figures bitmapped at 1000dpi, complete paper including high resolution plots available at ftp://axpa.hep.phy.cam.ac.uk/moretti/cavendish_9701 and at http://www.hep.phy.cam.ac.uk/theory/papers/

The processes e+e−→bbˉW±H∓ and e+e−→bbˉH+H− at the Next Linear Collider in the Minimal Supersymmetric Standard Model

Abstract

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The processes $e^{+} e^{-} \to b b ˉ W^{\pm} H^{\mp}$ and $e^{+} e^{-} \to b b ˉ H^{+} H^{-}$ at the Next Linear Collider in the Minimal Supersymmetric Standard Model