Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Precise measurement of Higgs decay rate into WW* at future e^+e^- Linear
  Colliders   Assuming a SM or MSSM scenario, one expects a light Higgs boson which could
be studied in great detail with a LC operating at \sqrt s>m_h+m_Z. In the TESLA
scenario, with 500 fb^-1 accumulated at \sqrt s = 350 GeV, about 10^5 hZ events
could be produced through the Higgstrahlung process. At a future LC with a \sim
1 cm beam-pipe radius and a thin Si detector there will be excellent separation
between the various flavours. With the high statistics available it will thus
become possible to measure the various branching ratios with a few % error.
Typically one expects 8 % precision on BR(h\to\bar cc), 6 % on BR(h\to gg) and
\sim 1 % on \sigma(hZ) x BR(h\to\bar bb) access to BR(h\to WW^*) and, as
explained in section 3, this measurement can give access to the Higgs total
decay width and therefore to all partial widths. In particular one can
precisely measure \Gamma(h\to\bar bb) and \Gamma(h\to\tau^+\tau^-) which have a
high sensitivity to MSSM effects\cite{gunion} and therefore allow an essential
test of the Higgs sector. If m_A < 1 TeV, it becomes possible to measure a
significant deviation and, within MSSM, to give an indirect estimate of m_A
thus extending the effective sensitivity above the discovery domain of LHC. In
the following section we describe a detailed analysis on the measurement of
BR(h\to WW^*).

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The categories of this paper are: astro-ph
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The categories of this paper are: supr-con
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The categories of this paper are: econ
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The categories of this paper are: q-bio
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The categories of this paper are: alg-geom
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: stat
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The categories of this paper are: atom-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: q-alg
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The categories of this paper are: eess
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The categories of this paper are: physics
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The categories of this paper are: cmp-lg
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The categories of this paper are: patt-sol
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The categories of this paper are: funct-an