SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Thomson Reuters Journal Citation Reports 2015
To calculate the five year Impact Factor, citations are counted in 2014 to the previous five years and divided by the source items published in the previous five years.
© Journal Citation Reports 2015, Published by Thomson Reuters
Taking the format of four issues per year, the journal aims to discuss new developments in the field at a level suitable for the general nuclear and particle physicist and also, in greater technical depth, to explore the most important advances in these areas. Although the majority of the articles will be in one or other of the fields of the title of the series, a particular effort is made to treat topics of an interface type for which both particle and nuclear physics are important, in particular such matters as the role of mesons, isobars and quarks in nuclear structure and the use of complex nuclei for probing fundamental particle symmetries. Other topics such as the application of nuclear physics in the medical and archaeological fields will also be treated from time to time. Astrophysicists, too, will be particularly interested in the Editor's inclusion of articles on nucleo-genesis and related matters.
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