Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Characterisation of silicon microstrip detectors for the ATLAS Phase-II
  Upgrade with a micro-focused X-ray beam   The planned HL-LHC (High Luminosity LHC) in 2025 is being designed to
maximise the physics potential through a sizable increase in the luminosity up
to 6*10^34 cm^-2 s^-1. A consequence of this increased luminosity is the
expected radiation damage at 3000 fb^-1 after ten years of operation, requiring
the tracking detectors to withstand fluences to over 1*10^16 1 MeV n_eq/cm^2 .
In order to cope with the consequent increased readout rates, a complete
re-design of the current ATLAS Inner Detector (ID) is being developed as the
Inner Tracker (ITk). Two proposed detectors for the ATLAS strip tracker region
of the ITk were characterized at the Diamond Light Source with a 3 um FWHM 15
keV micro focused X-ray beam. The devices under test were a 320 Um thick
silicon stereo (Barrel) ATLAS12 strip mini sensor wire bonded to a 130 nm CMOS
binary readout chip (ABC130) and a 320 Um thick full size radial (end-cap)
strip sensor - utilizing bi-metal readout layers - wire bonded to 250 nm CMOS
binary readout chips (ABCN-25). A resolution better than the inter strip pitch
of the 74.5 um strips was achieved for both detectors. The effect of the p-stop
diffusion layers between strips was investigated in detail for the wire bond
pad regions. Inter strip charge collection measurements indicate that the
effective width of the strip on the silicon sensors is determined by p-stop
regions between the strips rather than the strip pitch.

28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
21
The categories of this paper are: adap-org
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The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: astro-ph
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The categories of this paper are: econ
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The categories of this paper are: chao-dyn
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The categories of this paper are: nlin
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The categories of this paper are: q-bio
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: comp-gas