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{"title":"x4140、x4500的作业","authors":"Zhi-Gang wang","doi":"10.1155/2021/4426163","DOIUrl":null,"url":null,"abstract":"<jats:p>In this article, we take into account our previous calculations based on the QCD sum rules, and tentatively assign the <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M5\">\n <mi>X</mi>\n <mfenced open=\"(\" close=\")\">\n <mrow>\n <mn>4630</mn>\n </mrow>\n </mfenced>\n </math>\n </jats:inline-formula> as the <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M6\">\n <msubsup>\n <mrow>\n <mi>D</mi>\n </mrow>\n <mrow>\n <mi>s</mi>\n </mrow>\n <mrow>\n <mo>∗</mo>\n </mrow>\n </msubsup>\n <msub>\n <mrow>\n <mover accent=\"true\">\n <mi>D</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n </mrow>\n <mrow>\n <mi>s</mi>\n <mn>1</mn>\n </mrow>\n </msub>\n <mo>−</mo>\n <msub>\n <mrow>\n <mi>D</mi>\n </mrow>\n <mrow>\n <mi>s</mi>\n <mn>1</mn>\n </mrow>\n </msub>\n <msubsup>\n <mrow>\n <mover accent=\"true\">\n <mi>D</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n </mrow>\n <mrow>\n <mi>s</mi>\n </mrow>\n <mrow>\n <mo>∗</mo>\n </mrow>\n </msubsup>\n </math>\n </jats:inline-formula> tetraquark molecular state or <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M7\">\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mi>c</mi>\n <mi>s</mi>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>P</mi>\n </mrow>\n </msub>\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mover accent=\"true\">\n <mi>c</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n <mover accent=\"true\">\n <mi>s</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>A</mi>\n </mrow>\n </msub>\n <mo>+</mo>\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mi>c</mi>\n <mi>s</mi>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>A</mi>\n </mrow>\n </msub>\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mover accent=\"true\">\n <mi>c</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n <mover accent=\"true\">\n <mi>s</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>P</mi>\n </mrow>\n </msub>\n </math>\n </jats:inline-formula> tetraquark state with the <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M8\">\n <msup>\n <mrow>\n <mi>J</mi>\n </mrow>\n <mrow>\n <mi>P</mi>\n <mi>C</mi>\n </mrow>\n </msup>\n <mo>=</mo>\n <msup>\n <mrow>\n <mn>1</mn>\n </mrow>\n <mrow>\n <mo>−</mo>\n <mrow>\n <mo>+</mo>\n </mrow>\n </mrow>\n </msup>\n </math>\n </jats:inline-formula>, and assign the <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M9\">\n <mi>X</mi>\n <mfenced open=\"(\" close=\")\">\n <mrow>\n <mn>3915</mn>\n </mrow>\n </mfenced>\n </math>\n </jats:inline-formula> and <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M10\">\n <mi>X</mi>\n <mfenced open=\"(\" close=\")\">\n <mrow>\n <mn>4500</mn>\n </mrow>\n </mfenced>\n </math>\n </jats:inline-formula> as the 1S and 2S <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M11\">\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mi>c</mi>\n <mi>s</mi>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>A</mi>\n </mrow>\n </msub>\n <msub>\n <mrow>\n <mfenced open=\"[\" close=\"]\">\n <mrow>\n <mover accent=\"true\">\n <mi>c</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n <mover accent=\"true\">\n <mi>s</mi>\n <mo stretchy=\"true\">¯</mo>\n </mover>\n </mrow>\n </mfenced>\n </mrow>\n <mrow>\n <mi>A</mi>\n </mrow>\n </msub>\n </math>\n </jats:inline-formula> tetraquark states, respectively, with the <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"M12\">\n <msup>\n <mrow>\n <mi>J</mi>\n </mrow>\n <mrow>\n <mi>P</mi>\n <mi>C</mi>\n </mrow>\n </msup>\n <mo>=</mo>\n <msup>\n <mrow>\n <mn>0</mn>\n </mrow>\n <mrow>\n <mo>+</mo>\n <mrow>\n <mo>+</mo>\n </mrow>\n </mrow>\n </msup>\n </math>\n </jats:inline-formula>. Then, we extend our previous works to investigate the LHCb’s new tetraquark candidate <jats:inline-formula>\n <math xmlns=\"http://www.w3.org/1998/Math/M","PeriodicalId":7498,"journal":{"name":"Advances in High Energy Physics","volume":" ","pages":""},"PeriodicalIF":1.5000,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Assignments of the \\n X\\n \\n \\n 4140\\n \\n \\n , \\n X\\n \\n \\n 4500\\n \",\"authors\":\"Zhi-Gang wang\",\"doi\":\"10.1155/2021/4426163\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<jats:p>In this article, we take into account our previous calculations based on the QCD sum rules, and tentatively assign the <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M5\\\">\\n <mi>X</mi>\\n <mfenced open=\\\"(\\\" close=\\\")\\\">\\n <mrow>\\n <mn>4630</mn>\\n </mrow>\\n </mfenced>\\n </math>\\n </jats:inline-formula> as the <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M6\\\">\\n <msubsup>\\n <mrow>\\n <mi>D</mi>\\n </mrow>\\n <mrow>\\n <mi>s</mi>\\n </mrow>\\n <mrow>\\n <mo>∗</mo>\\n </mrow>\\n </msubsup>\\n <msub>\\n <mrow>\\n <mover accent=\\\"true\\\">\\n <mi>D</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n </mrow>\\n <mrow>\\n <mi>s</mi>\\n <mn>1</mn>\\n </mrow>\\n </msub>\\n <mo>−</mo>\\n <msub>\\n <mrow>\\n <mi>D</mi>\\n </mrow>\\n <mrow>\\n <mi>s</mi>\\n <mn>1</mn>\\n </mrow>\\n </msub>\\n <msubsup>\\n <mrow>\\n <mover accent=\\\"true\\\">\\n <mi>D</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n </mrow>\\n <mrow>\\n <mi>s</mi>\\n </mrow>\\n <mrow>\\n <mo>∗</mo>\\n </mrow>\\n </msubsup>\\n </math>\\n </jats:inline-formula> tetraquark molecular state or <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M7\\\">\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mi>c</mi>\\n <mi>s</mi>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>P</mi>\\n </mrow>\\n </msub>\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mover accent=\\\"true\\\">\\n <mi>c</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n <mover accent=\\\"true\\\">\\n <mi>s</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>A</mi>\\n </mrow>\\n </msub>\\n <mo>+</mo>\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mi>c</mi>\\n <mi>s</mi>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>A</mi>\\n </mrow>\\n </msub>\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mover accent=\\\"true\\\">\\n <mi>c</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n <mover accent=\\\"true\\\">\\n <mi>s</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>P</mi>\\n </mrow>\\n </msub>\\n </math>\\n </jats:inline-formula> tetraquark state with the <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M8\\\">\\n <msup>\\n <mrow>\\n <mi>J</mi>\\n </mrow>\\n <mrow>\\n <mi>P</mi>\\n <mi>C</mi>\\n </mrow>\\n </msup>\\n <mo>=</mo>\\n <msup>\\n <mrow>\\n <mn>1</mn>\\n </mrow>\\n <mrow>\\n <mo>−</mo>\\n <mrow>\\n <mo>+</mo>\\n </mrow>\\n </mrow>\\n </msup>\\n </math>\\n </jats:inline-formula>, and assign the <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M9\\\">\\n <mi>X</mi>\\n <mfenced open=\\\"(\\\" close=\\\")\\\">\\n <mrow>\\n <mn>3915</mn>\\n </mrow>\\n </mfenced>\\n </math>\\n </jats:inline-formula> and <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M10\\\">\\n <mi>X</mi>\\n <mfenced open=\\\"(\\\" close=\\\")\\\">\\n <mrow>\\n <mn>4500</mn>\\n </mrow>\\n </mfenced>\\n </math>\\n </jats:inline-formula> as the 1S and 2S <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M11\\\">\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mi>c</mi>\\n <mi>s</mi>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>A</mi>\\n </mrow>\\n </msub>\\n <msub>\\n <mrow>\\n <mfenced open=\\\"[\\\" close=\\\"]\\\">\\n <mrow>\\n <mover accent=\\\"true\\\">\\n <mi>c</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n <mover accent=\\\"true\\\">\\n <mi>s</mi>\\n <mo stretchy=\\\"true\\\">¯</mo>\\n </mover>\\n </mrow>\\n </mfenced>\\n </mrow>\\n <mrow>\\n <mi>A</mi>\\n </mrow>\\n </msub>\\n </math>\\n </jats:inline-formula> tetraquark states, respectively, with the <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/MathML\\\" id=\\\"M12\\\">\\n <msup>\\n <mrow>\\n <mi>J</mi>\\n </mrow>\\n <mrow>\\n <mi>P</mi>\\n <mi>C</mi>\\n </mrow>\\n </msup>\\n <mo>=</mo>\\n <msup>\\n <mrow>\\n <mn>0</mn>\\n </mrow>\\n <mrow>\\n <mo>+</mo>\\n <mrow>\\n <mo>+</mo>\\n </mrow>\\n </mrow>\\n </msup>\\n </math>\\n </jats:inline-formula>. Then, we extend our previous works to investigate the LHCb’s new tetraquark candidate <jats:inline-formula>\\n <math xmlns=\\\"http://www.w3.org/1998/Math/M\",\"PeriodicalId\":7498,\"journal\":{\"name\":\"Advances in High Energy Physics\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2021-03-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in High Energy Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1155/2021/4426163\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PHYSICS, PARTICLES & FIELDS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in High Energy Physics","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1155/2021/4426163","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, PARTICLES & FIELDS","Score":null,"Total":0}
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