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Digital pulse-timing technique for the neutron detector array NEDA

Modamio, V. (author)
Valiente-Dobon, J. J. (author)
Jaworski, G. (author)
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Hueyuek, T. (author)
Triossi, A. (author)
Egea, J. (author)
Di Nitto, A. (author)
Soederstroem, P. -A (author)
Agramunt Ros, J. (author)
de Angelis, G. (author)
de France, G. (author)
Erduran, M. N. (author)
Erturk, S. (author)
Gadea, A. (author)
Gonzalez, V. (author)
Kownacki, J. (author)
Moszynski, M. (author)
Nyberg, Johan, 1955- (author)
Uppsala universitet,Institutionen för fysik och astronomi,Kärnfysik,Nuclear Structure
Palacz, M. (author)
Sanchis, E. (author)
Wadsworthm, R. (author)
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 (creator_code:org_t)
Elsevier BV, 2015
2015
English.
In: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 775, s. 71-76
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • A new digital pulse-timing algorithm, to be used with the future neutron detector array NEDA, has been developed and tested. The time resolution of four 5 in diameter photomultiplier tubes (XP4512, R4144, R11833-100, and ET9390-kb), coupled to a cylindrical 5 in by 5 in BC501A liquict scintillator detector was measured by employing digital sampling electronics and a constant fraction discriminator (CFD) algorithm. The zero crossing of the CM algorithm was obtained with a cubic spline interpolation, which was continuous up to the second derivative. The performance of the algorithm was studied at sampling rates of 500 MS/s and 200 MS/s. The time resolution obtained with the digital electronics was compared to the values acquired with a standard analog CFD. The result of this comparison shows that the time resolution from the analog and the digital measurements at 500 MS/s and at 200 MS/s are within 15% for all the tested photomultiplier tubes.

Subject headings

NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)

Keyword

Digital timing
Constant fraction discriminator
Liquid scintillator
BC501A
Neutron detector
NEDA

Publication and Content Type

ref (subject category)
art (subject category)

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