Mathematics of Nuclear Decay

2020 ◽  
pp. 21-26
Author(s):  
Eric Ford
Keyword(s):  
Nuclear Decay

scholarly journals Gamma Spectrum Measurement Following the Nuclear Decay

2021 ◽  
Vol 1739 ◽  
pp. 012035
Author(s):  
Shuifa Shen ◽  
Feipeng Wang ◽  
Yupeng Yan ◽  
Jiejie Shen ◽  
Yan Li ◽  
...  
Keyword(s):  
Gamma Spectrum ◽  
Nuclear Decay ◽  
Spectrum Measurement

Half-lives of spherical proton emitters within the framework of fractional calculus

2014 ◽  
Vol 23 (09) ◽  
pp. 1450044 ◽  
Author(s):  
Abdullah Engin Çalik ◽  
Hüseyin Şirin ◽  
Hüseyin Ertik ◽  
Buket Öder ◽  
Mürsel Şen
Keyword(s):  
Fractional Calculus ◽  
Fractional Derivative ◽  
Nuclear Structure ◽  
Caputo Fractional Derivative ◽  
Half Life ◽  
Nuclear Decay ◽  
Life Values ◽  
Derivative Order

In this paper, the half-life values of spherical proton emitters such as Sb , Tm , Lu , Ta , Re , Ir , Au , Tl and Bi have been calculated within the framework of fractional calculus. Nuclear decay equation, related to this phenomenon, has been resolved by using Caputo fractional derivative. The order of fractional derivative μ being considered is 0 < μ ≤ 1, and characterizes the fractality of time. Half-life values have been calculated equivalent with empirical ones. The dependence of fractional derivative order μ on the nuclear structure has also been investigated.

Nuclear Decay ofBr84and the Level Scheme inKr84

1957 ◽  
Vol 108 (1) ◽  
pp. 82-90 ◽  
Author(s):  
Noah R. Johnson ◽  
G. D. O'Kelley
Keyword(s):  
Level Scheme ◽  
Nuclear Decay

scholarly journals Further Evidence Suggestive of a Solar Influence on Nuclear Decay Rates

Solar Physics ◽  
2011 ◽  
Vol 272 (1) ◽  
pp. 1-10 ◽  
Author(s):  
P. A. Sturrock ◽  
E. Fischbach ◽  
J. H. Jenkins
Keyword(s):  
Decay Rates ◽  
Nuclear Decay ◽  
Solar Influence

Improved limit on the induced scalar interaction in nuclear?-decay

1981 ◽  
Vol 299 (1) ◽  
pp. 91-92 ◽  
Author(s):  
L. Szybisz ◽  
V. M. Silbergleit
Keyword(s):  
Scalar Interaction ◽  
Nuclear Decay

scholarly journals Rrp6p/Rrp47p constitutes an independent nuclear turnover system of mature small non-coding RNAs in Saccharomyces cerevisiae

2020 ◽  
Author(s):  
Anusha Chaudhuri ◽  
Subhadeep Das ◽  
Mayukh Banerjea ◽  
Biswadip Das
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Steady State ◽  
Decay Rate ◽  
Nuclear Decay ◽  
Steady State Levels ◽  
Nuclear Exosome ◽  
Non Coding Rnas ◽  
Selective Enhancement

In Saccharomyces cerevisiae, the nuclear exosome/Rrp6p/TRAMP participates in the 3'-end processing of several precursor non-coding RNAs. Here we demonstrate that the depletion of nucleus-specific 3'to 5' exoribonuclease Rrp6p and its co-factor Rrp47p led to the specific and selective enhancement of steady-state levels of mature small non-coding RNAs (sncRNAs) that include 5S and 5.8S rRNAs, snRNAs and snoRNAs, but not 18S and 25S rRNAs. Most importantly, their steady-state enhancement does not require the exosome, TRAMP, CTEXT or Rrp6p-associated Mpp6p. Rrp6p/47p-dependent enhancement of the steady-state levels of sncRNAs is associated with the diminution of their nuclear decay-rate and requires their polyadenylation before targeting by Rrp6p, which is catalyzed by both the canonical and non-canonical poly(A) polymerases, Pap1p and Trf4p. Consistent with this finding, the Rrp6p and Rrp47p were demonstrated to exist as an exosome-independent complex. Thus, Rrp6p-Rrp47p defines a core nuclear exosome-independent novel turnover system that targets the small non-coding RNAs.

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