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We are in the process of upgrading the VERITAS array of Cherenkov telescopes with new, high efficiency photomultipliers (PMT) that will considerably lower the energy threshold of the instrument and improve the overall sensitivity.
J. Holder et. al., Astroparticle Physics, 2006, 25
2006
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A. N. Otte et. al., NIM A, 2006, 567
2006
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J. Perkins et. al., arXiv:0912.3841v1, 2009
2009
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M. Schroedter et. al., in proceedings of ICRC 2009, arXiv 0908.0179
2009
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