Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Compton Cherenkov Detector Development for ILC Polarimetry   In order to fully exploit the physics potential of the ILC, it will be
necessary to measure (and control) beam parameters to a permille level
precision. In case of the beam polarisation, this can only be achieved with
dedicated high energy Compton polarimeters and by improving the detector
linearity, as well as the calibration of the analyzing power.
  This note summarises results of an early testbeam period with the Cherenkov
detector of the SLD polarimeter, linearity measurements of readout electronics
and photodetectors and compares simulation results of the SLD Cherenkov
detector with those of a new `U-shaped' prototype.

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The categories of this paper are: astro-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-ex
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The categories of this paper are: q-bio
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-th
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The categories of this paper are: math
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The categories of this paper are: mtrl-th
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The categories of this paper are: funct-an
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The categories of this paper are: acc-phys
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The categories of this paper are: solv-int
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The categories of this paper are: nlin
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-ex