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Sökning: WFRF:(Pittau R.)

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1.
  • Alwall, J., et al. (författare)
  • A standard format for Les Houches Event Files
  • 2007
  • Ingår i: Computer Physics Communications. - : Elsevier BV. - 0010-4655. ; 176:4, s. 300-304
  • Tidskriftsartikel (refereegranskat)abstract
    • A standard file format is proposed to store process and event information, primarily output from partoti-level event generators for further use by general-purpose ones. The information content is identical with what was already defined by the Les Houches Accord five years ago, but then in terms of Fortran commonblocks. This information is embedded in a minimal XML-style structure, for clarity and to simplify parsing.
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2.
  • Moretti, M., et al. (författare)
  • Production of light Higgs pairs in 2-Higgs doublet models via the Higgs-strahlung process at the LHC
  • 2010
  • Ingår i: Journal of High Energy Physics (JHEP). - 1126-6708 .- 1029-8479. ; :11, s. 097-
  • Tidskriftsartikel (refereegranskat)abstract
    • At the Large Hadron Collider, we prove the feasibility to detect pair production of the lightest CP-even Higgs boson h of a Type II 2-Higgs Doublet Model through the process q (q) over bar ((')) -> V hh ( Higgs-strahlung, V = W-+/-, Z), in presence of two h -> b (b) over bar decays. We also show that, through such production and decay channels, one has direct access to the following Higgs self-couplings, thus enabling one to distinguish between a standard and the Supersymmetric version of the above model: lambda(Hhh) - which constrains the form of the Higgs potential - as well as lambda(W +/- H -/+ h) and lambda(ZAh) - which are required by gauge invariance. Unfortunately, such claims cannot be extended to the Minimal Supersymmetric Standard Model, where the extraction of the same signals is impossible.
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3.
  • Moretti, M., et al. (författare)
  • Vector-Boson Production of Light Higgs Pairs in 2-Higgs Doublet Models
  • 2007
  • Ingår i: Journal of High Energy Physics (JHEP). - : Springer Science and Business Media LLC. - 1126-6708 .- 1029-8479. ; 12
  • Tidskriftsartikel (refereegranskat)abstract
    • At the Large Hadron Collider, we prove the feasibility to detect pair production of the lightest CP-even Higgs boson h of Type II 2-Higgs Doublet Models through qq(') -> qq(')hh (vector-boson fusion). We also show that, through the hh -> 4b decay channel in presence of heavy-flavour tagging, further exploiting forward/backward jet sampling, one has direct access to the lambda Hhh triple Higgs coupling - which constrains the form of the Higgs potential.
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  • Resultat 1-3 av 3

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