dynode

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dy·node

 (dī′nōd′)
n.
An electrode used in certain electron tubes to provide secondary emission.

[Greek dunamis, power; see dynamic + -ode.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dynode

(ˈdaɪnəʊd)
n
(General Physics) an electrode onto which a beam of electrons can fall, causing the emission of a greater number of electrons by secondary emission. They are used in photomultipliers to amplify the signal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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It needs only one high voltage power supply and provides an additional signal, called the dynode, which is connected to all the last dynodes of each PSPM channel.
QUEZALES UNTIDILY ACHROMIC FLEABANE FERMENTS (81) HAPHAZARD AQUILEGIA SUCCORING TAEKWONDO (77) SCOFFLAWS HYPEREMIA AMATIVELY HALAZONES (77) HAMADA EXEQUY MIZUNA PLEACH YESSES (76) SNIPPER NONHOME EIDOLIC ESERINE ZONATED EMETINE RESECTS (75) HARIJAN ATOMIZE WASABIS EXIGENT DYNODES (74) PRELATE SEMILOG HEEZING ACTABLE WHIRLER SYNDETS (74) REPAST EXARCH DUNKER EVZONE FIESTA YAREST (73) The smallest size having a unique highest-scoring grid is 6x2; of the 72,093 6x2's, only one achieves the maximum score of 37.
Typical applications include ion guides, ion mirrors, voltage dividers, conversion dynodes, reflectron lenses and drift tubes for ion mobility spectrometers.
Recording of real coincidences (in the start-stop arrangement) with a time resolution of 1.7 x [10.sup.-9] s [2] between the signal produced by a nuclear [[gamma].sub.n] quantum of energy [??] 1.28 MeV ("start") with the signal generated by the detected [[gamma].sub.a] annihilation quantum of energy [??]0.34 o 0.51MeV ("stop", corresponding, accordingly, to 3[gamma] and 2[gamma]-annihilation) is accompanied by the energy (amplitude) discrimination in the slow ("side") coincidence channels (with a resolution [delta][[tau].sub.s] ~ [10.sup.-6] s between the corresponding signals from the last-but-one dynodes of the lifetime PM tubes, an approach that cuts efficiently random coincidence noise.