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Titolo:
Tests for randomness of spontaneous quantum decay - art. no. 042106
Autore:
Silverman, MP; Strange, W; Silverman, C; Lipscombe, TC;
Indirizzi:
Trinity Coll, Dept Phys, Hartford, CT 06106 USA Trinity Coll Hartford CT USA 06106 oll, Dept Phys, Hartford, CT 06106 USA
Titolo Testata:
PHYSICAL REVIEW A
fascicolo: 4, volume: 6104, anno: 2000,
pagine: 2106 -
SICI:
1050-2947(200004)6104:4<2106:TFROSQ>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
COIN TOSS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Silverman, MP Trinity Coll, Dept Phys, Hartford, CT 06106 USA Trinity Coll Hartford CT USA 06106 , Hartford, CT 06106 USA
Citazione:
M.P. Silverman et al., "Tests for randomness of spontaneous quantum decay - art. no. 042106", PHYS REV A, 6104(4), 2000, pp. 2106

Abstract

Analyses of the runs (i.e., uninterrupted sequences of identical outcomes)were made of the temporal succession of decays from three nuclear processes: (1) beta decay of Cs-137, (2) electron capture decay of Mn-54, and (3) beta decay of Bi-214 followed by alpha decay of Po-214. Sample half lives vary widely from about 30 yr (Cs-137) to 20 min (Bi-214). For each process, the numbers of runs of length k (1 less than or equal to k less than or equal to 20) were determined from three distinct types of generating procedures: (a) runs with respect to a target value, (b) runs with respect to parity,and (c) runs with respect to sequential differences. Comparison of experimental results with those predicted by the theory of runs ton the assumptionthat every distinguishable arrangement of a temporal sequence of disintegrations is equally likely) provides comprehensive support of the hypothesis that the spontaneous decay of a nucleus is a random occurrence unaffected by past history.

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Documento generato il 05/07/20 alle ore 03:27:43