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Pulse pile-up ident...
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Luo, X. L.Uppsala universitet,Kärnfysik,Acad Mil Med Sci, Natl Innovat Inst Def Technol, Beijing 100010, Peoples R China
(author)
Pulse pile-up identification and reconstruction for liquid scintillator based neutron detectors
- Article/chapterEnglish2018
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ELSEVIER SCIENCE BV,2018
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LIBRIS-ID:oai:DiVA.org:uu-357373
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-357373URI
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https://doi.org/10.1016/j.nima.2018.03.078DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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The issue of pulse pile-up is frequently encountered in nuclear experiments involving high counting rates, which will distort the pulse shapes and the energy spectra. A digital method of off-line processing of pile-up pulses is presented. The pile-up pulses were firstly identified by detecting the downward-going zero-crossings in the first-order derivative of the original signal, and then the constituent pulses were reconstructed based on comparing the pile-up pulse with four models that are generated by combining pairs of neutron and.. standard pulses together with a controllable time interval. The accuracy of this method in resolving the pile-up events was investigated as a function of the time interval between two pulses constituting a pile-up event. The obtained results show that the method is capable of disentangling two pulses with a time interval among them down to 20 ns, as well as classifying them as neutrons or gamma rays. Furthermore, the error of reconstructing pile-up pulses could be kept below 6% when successive peaks were separated by more than 50 ns. By applying the method in a high counting rate of pile-up events measurement of the NEutron Detector Array (NEDA), it was empirically found that this method can reconstruct the pile-up pulses and perform neutron-gamma discrimination quite accurately. It can also significantly correct the distorted pulse height spectrum due to pile-up events.
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Modamio, V.Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Padua, Italy
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Nyberg, Johan,1955-Uppsala universitet,Kärnfysik(Swepub:uu)johannb
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Valiente-Dobon, J. J.Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Padua, Italy
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Nishada, Q.Uppsala universitet,Kärnfysik(Swepub:uu)qadni157
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de Angelis, G.Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Padua, Italy
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Agramunt, J.Univ Valencia, CSIC, IFIC, Valencia, Spain
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Egea, F. J.Univ Valencia, CSIC, IFIC, Valencia, Spain;Univ Valencia, Dept Elect Engn, E-46071 Valencia, Spain
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Erduran, M. N.Istanbul Sabahattin Zaim Univ, Fac Engn & Nat Sci, Istanbul, Turkey
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Erturk, S.Omer Halisdemir Univ, Nigde, Turkey
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de France, G.CEA, DSAM, GANIL, Bd Henri Becquerel,BP 55027, F-14076 Caen 05, France;CNRS, IN2P3, Bd Henri Becquerel,BP 55027, F-14076 Caen 05, France
(author)
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Gadea, A.Univ Valencia, CSIC, IFIC, Valencia, Spain
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Gonzalez, V.Univ Valencia, Dept Elect Engn, E-46071 Valencia, Spain
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Goasduff, A.Univ Padua, Dipartimento Fis & Astron, Padua, Italy
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Huyuk, T.Univ Valencia, CSIC, IFIC, Valencia, Spain
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Jaworski, G.Warsaw Univ Technol, Fac Phys, Ul Koszykowa 75, PL-00662 Warsaw, Poland;Univ Warsaw, Heavy Ion Lab, Ul Pasteura 5A, PL-02093 Warsaw, Poland
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Moszynski, M.Univ Warsaw, Heavy Ion Lab, Ul Pasteura 5A, PL-02093 Warsaw, Poland;Natl Ctr Nucl Res, A Soltana 7, PL-05400 Otwock, Poland
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Di Nitto, A.Johannes Gutenberg Univ Mainz, D-55099 Mainz, Germany
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Palacz, M.Univ Warsaw, Heavy Ion Lab, Ul Pasteura 5A, PL-02093 Warsaw, Poland
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Soederstroem, P. -A
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Sanchis, E.Univ Valencia, Dept Elect Engn, E-46071 Valencia, Spain
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Triossi, A.Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Padua, Italy
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Wadsworth, R.Univ York, Dept Phys, York, N Yorkshire, England
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Uppsala universitetKärnfysik
(creator_code:org_t)
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In:Nuclear Instruments and Methods in Physics Research Section A: ELSEVIER SCIENCE BV897, s. 59-650168-90021872-9576
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Luo, X. L.
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Modamio, V.
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Nyberg, Johan, 1 ...
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Valiente-Dobon, ...
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Nishada, Q.
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de Angelis, G.
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Agramunt, J.
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Egea, F. J.
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Erduran, M. N.
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Erturk, S.
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de France, G.
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Gadea, A.
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Gonzalez, V.
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Goasduff, A.
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Huyuk, T.
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Jaworski, G.
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Moszynski, M.
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Di Nitto, A.
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Palacz, M.
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Soederstroem, P. ...
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Sanchis, E.
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Triossi, A.
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Wadsworth, R.
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