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Single top quark tW+X production at the LHC: a closer look | | A.Belyaev
; E. Boos
; | | Date: |
27 Mar 2000 | | Journal: | Phys.Rev. D63 (2001) 034012 | | Subject: | hep-ph | | Abstract: | We have reexamined the tW+X single top-quark production process which is important at the LHC contrary to the Tevatron. The special attention was paid to the treatment of the 2->2[Wt] process and the part of it’s next-to-leading correction: 2->3[Wtb] process. We show that 2->3[Wtb] process has to be correctly taken into account with a proper subtraction of the top pair contribution and that it has qualitatively different kinematical distributions from the 2->2[Wt] process. We present the total cross section of the tW+X production to be about 62 pb at QCD scale be taken as a top quark mass, suggest the method of combining Wt and Wtb processes with gauge invariant subtraction of the tt-bar part which allows to reproduce correct kinematical properties and perform a proper event simulation of the tW+X process in the whole kinematical region. | | Source: | arXiv, hep-ph/0003260 | | Services: | Forum | Review | PDF | Favorites | |
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