<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ArticleSet PUBLIC "-//NLM//DTD PubMed 2.7//EN" "https://dtd.nlm.nih.gov/ncbi/pubmed/in/PubMed.dtd">
<ArticleSet>
<Article>
<Journal>
				<PublisherName>The Physics Society of Iran</PublisherName>
				<JournalTitle>Iranian Journal of Physics Research</JournalTitle>
				<Issn>1682-6957</Issn>
				<Volume>10</Volume>
				<Issue>4</Issue>
				<PubDate PubStatus="epublish">
					<Year>2019</Year>
					<Month>11</Month>
					<Day>26</Day>
				</PubDate>
			</Journal>
<ArticleTitle>Some characteristics of age parameter for Yakutsk array data</ArticleTitle>
<VernacularTitle>Some characteristics of age parameter for Yakutsk array data</VernacularTitle>
			<FirstPage>371</FirstPage>
			<LastPage>371</LastPage>
			<ELocationID EIdType="pii">902</ELocationID>
			
			
			<Language>FA</Language>
<AuthorList>
<Author>
					<FirstName>R</FirstName>
					<LastName>Razavi</LastName>
<Affiliation></Affiliation>

</Author>
<Author>
					<FirstName>SJ</FirstName>
					<LastName>Fatemi</LastName>
<Affiliation></Affiliation>

</Author>
</AuthorList>
				<PublicationType>Journal Article</PublicationType>
			<History>
				<PubDate PubStatus="received">
					<Year>2019</Year>
					<Month>11</Month>
					<Day>26</Day>
				</PubDate>
			</History>
		<Abstract>In this paper some characteristics of age parameter(s) are studied on the basis of showers from Yakutsk array data [1] having energy ranging from 1018 eV to 1019 eV.</Abstract>
			<OtherAbstract Language="FA">In this paper some characteristics of age parameter(s) are studied on the basis of showers from Yakutsk array data [1] having energy ranging from 1018 eV to 1019 eV.</OtherAbstract>
		<ObjectList>
			<Object Type="keyword">
			<Param Name="value">extensive air shower</Param>
			</Object>
			<Object Type="keyword">
			<Param Name="value">age parameter</Param>
			</Object>
			<Object Type="keyword">
			<Param Name="value">zenith angle</Param>
			</Object>
			<Object Type="keyword">
			<Param Name="value">primary energy</Param>
			</Object>
		</ObjectList>
<ArchiveCopySource DocType="pdf">https://ijpr.iut.ac.ir/article_902_b6a1085a27ab7bff7550f8a3bd017df8.pdf</ArchiveCopySource>
</Article>
</ArticleSet>
