Spin-parity analysis of pp¯ mass threshold structure in J/ψ and ψ(3686) radiative decays
A partial wave analysis of the pp¯ mass-threshold enhancement in the reaction J/ψ→γpp¯ is used to determine its J(PC) quantum numbers to be 0(-+), its peak mass to be below threshold at M=1832(-5)(+19)(stat)(-17)(+18)(syst)±19(model) MeV/c(2), and its total width to be Γ
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| Veröffentlicht in: | Physical review letters 2012-03, Vol.108 (11), p.112003-112003 |
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| creator | Ablikim, M Achasov, M N Alberto, D Ambrose, D J An, F F An, Q An, Z H Bai, J Z Baldini Ferroli, R B F Ban, Y Becker, J Berger, N Bertani, M B Bian, J M Boger, E Bondarenko, O Boyko, I Briere, R A Bytev, V Cai, X Calcaterra, A C Cao, G F Chang, J F Chelkov, G Chen, G Chen, H S Chen, J C Chen, M L Chen, S J Chen, Y Chen, Y B Cheng, H P Chu, Y P Cronin-Hennessy, D Dai, H L Dai, J P Dedovich, D Deng, Z Y Denysenko, I Destefanis, M Ding Ding, W L Ding, Y Dong, L Y Dong, M Y Du, S X Fang, J Fang, S S Feng, C Q Fu, C D Fu, J L Gao, Y Geng, C Goetzen, K Gong, W X Greco, M Gu, M H Gu, Y T Guan, Y H Guo, A Q Guo, L B Guo, Y P Han, Y L Hao, X Q Harris, F A He, K L He, M He, Z Y Heng, Y K Hou, Z L Hu, H M Hu, J F Hu, T Huang, B Huang, G M Huang, J S Huang, X T Huang, Y P Hussain, T Ji, C S Ji, Q Ji, X B Ji, X L Jia, L K Jiang, L L Jiang, X S Jiao, J B Jiao, Z Jin, D P Jin, S Jing, F F Kalantar-Nayestanaki, N Kavatsyuk, M Kuehn, W Lai, W Lange, J S Leung, J K C Li, C H Li, Cheng Li, Cui Li, D M |
| description | A partial wave analysis of the pp¯ mass-threshold enhancement in the reaction J/ψ→γpp¯ is used to determine its J(PC) quantum numbers to be 0(-+), its peak mass to be below threshold at M=1832(-5)(+19)(stat)(-17)(+18)(syst)±19(model) MeV/c(2), and its total width to be Γ |
| doi_str_mv | 10.1103/PhysRevLett.108.112003 |
| format | Article |
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The product of branching ratios is measured to be BR[J/ψ→γX(pp¯)]BR[X(pp¯)→pp¯]=[9.0(-1.1)(+0.4)(stat)(-5.0)(+1.5)(syst)±2.3(model)]×10(-5). A similar analysis performed on ψ(3686)→γpp¯ decays shows, for the first time, the presence of a corresponding enhancement with a production rate relative to that for J/ψ decays of R=[5.08(-0.45)(+0.71)(stat)(-3.58)(+0.67)(syst)±0.12(model)]%.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.108.112003</identifier><identifier>PMID: 22540467</identifier><language>eng</language><publisher>United States: American Physical Society</publisher><ispartof>Physical review letters, 2012-03, Vol.108 (11), p.112003-112003</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22540467$$D View this record in 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Y</creatorcontrib><creatorcontrib>Dong, M Y</creatorcontrib><creatorcontrib>Du, S X</creatorcontrib><creatorcontrib>Fang, J</creatorcontrib><creatorcontrib>Fang, S S</creatorcontrib><creatorcontrib>Feng, C Q</creatorcontrib><creatorcontrib>Fu, C D</creatorcontrib><creatorcontrib>Fu, J L</creatorcontrib><creatorcontrib>Gao, Y</creatorcontrib><creatorcontrib>Geng, C</creatorcontrib><creatorcontrib>Goetzen, K</creatorcontrib><creatorcontrib>Gong, W X</creatorcontrib><creatorcontrib>Greco, M</creatorcontrib><creatorcontrib>Gu, M H</creatorcontrib><creatorcontrib>Gu, Y T</creatorcontrib><creatorcontrib>Guan, Y H</creatorcontrib><creatorcontrib>Guo, A Q</creatorcontrib><creatorcontrib>Guo, L B</creatorcontrib><creatorcontrib>Guo, Y P</creatorcontrib><creatorcontrib>Han, Y L</creatorcontrib><creatorcontrib>Hao, X Q</creatorcontrib><creatorcontrib>Harris, F A</creatorcontrib><creatorcontrib>He, K L</creatorcontrib><creatorcontrib>He, M</creatorcontrib><creatorcontrib>He, Z Y</creatorcontrib><creatorcontrib>Heng, Y K</creatorcontrib><creatorcontrib>Hou, Z L</creatorcontrib><creatorcontrib>Hu, H M</creatorcontrib><creatorcontrib>Hu, J F</creatorcontrib><creatorcontrib>Hu, T</creatorcontrib><creatorcontrib>Huang, B</creatorcontrib><creatorcontrib>Huang, G M</creatorcontrib><creatorcontrib>Huang, J S</creatorcontrib><creatorcontrib>Huang, X T</creatorcontrib><creatorcontrib>Huang, Y P</creatorcontrib><creatorcontrib>Hussain, T</creatorcontrib><creatorcontrib>Ji, C S</creatorcontrib><creatorcontrib>Ji, Q</creatorcontrib><creatorcontrib>Ji, X B</creatorcontrib><creatorcontrib>Ji, X L</creatorcontrib><creatorcontrib>Jia, L K</creatorcontrib><creatorcontrib>Jiang, L L</creatorcontrib><creatorcontrib>Jiang, X S</creatorcontrib><creatorcontrib>Jiao, J B</creatorcontrib><creatorcontrib>Jiao, Z</creatorcontrib><creatorcontrib>Jin, D P</creatorcontrib><creatorcontrib>Jin, S</creatorcontrib><creatorcontrib>Jing, F F</creatorcontrib><creatorcontrib>Kalantar-Nayestanaki, N</creatorcontrib><creatorcontrib>Kavatsyuk, M</creatorcontrib><creatorcontrib>Kuehn, W</creatorcontrib><creatorcontrib>Lai, W</creatorcontrib><creatorcontrib>Lange, J S</creatorcontrib><creatorcontrib>Leung, J K C</creatorcontrib><creatorcontrib>Li, C H</creatorcontrib><creatorcontrib>Li, Cheng</creatorcontrib><creatorcontrib>Li, Cui</creatorcontrib><creatorcontrib>Li, D M</creatorcontrib><creatorcontrib>BESIII Collaboration</creatorcontrib><title>Spin-parity analysis of pp¯ mass threshold structure in J/ψ and ψ(3686) radiative decays</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>A partial wave analysis of the pp¯ mass-threshold enhancement in the reaction J/ψ→γpp¯ is used to determine its J(PC) quantum numbers to be 0(-+), its peak mass to be below threshold at M=1832(-5)(+19)(stat)(-17)(+18)(syst)±19(model) MeV/c(2), and its total width to be Γ<76 MeV/c(2) at the 90% C.L. The product of branching ratios is measured to be BR[J/ψ→γX(pp¯)]BR[X(pp¯)→pp¯]=[9.0(-1.1)(+0.4)(stat)(-5.0)(+1.5)(syst)±2.3(model)]×10(-5). A similar analysis performed on ψ(3686)→γpp¯ decays shows, for the first time, the presence of a corresponding enhancement with a production rate relative to that for J/ψ decays of R=[5.08(-0.45)(+0.71)(stat)(-3.58)(+0.67)(syst)±0.12(model)]%.</description><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNo10EtOwzAQBmALgWgpXKGyWJVF2vEjibNEiKcqgXisWESO4ypGaRJsp1Ju0NtwBy7QK2GpZTXSP9_M4kdoSmBOCLDFSzW4V71Zau_nBEQIKQA7QmMCaRalhPBjNA4JiTKAdITOnPsCAEITcYpGlMYceJKO0edbZ5qok9b4ActG1oMzDrcr3HW_P3gtncO-stpVbV1i522vfG81Ng1-Wuy24aLEu-2MJSK5wlaWRnqz0bjUSg7uHJ2sZO30xWFO0Mfd7fvNQ7R8vn-8uV5GLYmZjwgVScaFihkVqSokh6IkKgHGi2RFtVIUZJIJHTZEKEkVg4xnaZERzkVRUDZBl_u_rfMmd8p4rSrVNo1WPg9tcUpZQLM96mz73Wvn87VxSte1bHTbu5xAgBmPBQQ6PdC-WOsy76xZSzvk_62xP-T3cXM</recordid><startdate>20120316</startdate><enddate>20120316</enddate><creator>Ablikim, M</creator><creator>Achasov, M 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Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ablikim, M</au><au>Achasov, M N</au><au>Alberto, D</au><au>Ambrose, D J</au><au>An, F F</au><au>An, Q</au><au>An, Z H</au><au>Bai, J Z</au><au>Baldini Ferroli, R B F</au><au>Ban, Y</au><au>Becker, J</au><au>Berger, N</au><au>Bertani, M B</au><au>Bian, J M</au><au>Boger, E</au><au>Bondarenko, O</au><au>Boyko, I</au><au>Briere, R A</au><au>Bytev, V</au><au>Cai, X</au><au>Calcaterra, A C</au><au>Cao, G F</au><au>Chang, J F</au><au>Chelkov, G</au><au>Chen, G</au><au>Chen, H S</au><au>Chen, J C</au><au>Chen, M L</au><au>Chen, S J</au><au>Chen, Y</au><au>Chen, Y B</au><au>Cheng, H P</au><au>Chu, Y P</au><au>Cronin-Hennessy, D</au><au>Dai, H L</au><au>Dai, J P</au><au>Dedovich, D</au><au>Deng, Z Y</au><au>Denysenko, I</au><au>Destefanis, M</au><au>Ding Ding, W L</au><au>Ding, Y</au><au>Dong, L Y</au><au>Dong, M Y</au><au>Du, S X</au><au>Fang, J</au><au>Fang, S S</au><au>Feng, C Q</au><au>Fu, C D</au><au>Fu, J L</au><au>Gao, Y</au><au>Geng, C</au><au>Goetzen, K</au><au>Gong, W X</au><au>Greco, M</au><au>Gu, M H</au><au>Gu, Y T</au><au>Guan, Y H</au><au>Guo, A Q</au><au>Guo, L B</au><au>Guo, Y P</au><au>Han, Y L</au><au>Hao, X Q</au><au>Harris, F A</au><au>He, K L</au><au>He, M</au><au>He, Z Y</au><au>Heng, Y K</au><au>Hou, Z L</au><au>Hu, H M</au><au>Hu, J F</au><au>Hu, T</au><au>Huang, B</au><au>Huang, G M</au><au>Huang, J S</au><au>Huang, X T</au><au>Huang, Y P</au><au>Hussain, T</au><au>Ji, C S</au><au>Ji, Q</au><au>Ji, X B</au><au>Ji, X L</au><au>Jia, L K</au><au>Jiang, L L</au><au>Jiang, X S</au><au>Jiao, J B</au><au>Jiao, Z</au><au>Jin, D P</au><au>Jin, S</au><au>Jing, F F</au><au>Kalantar-Nayestanaki, N</au><au>Kavatsyuk, M</au><au>Kuehn, W</au><au>Lai, W</au><au>Lange, J S</au><au>Leung, J K C</au><au>Li, C H</au><au>Li, Cheng</au><au>Li, Cui</au><au>Li, D M</au><aucorp>BESIII Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin-parity analysis of pp¯ mass threshold structure in J/ψ and ψ(3686) radiative decays</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2012-03-16</date><risdate>2012</risdate><volume>108</volume><issue>11</issue><spage>112003</spage><epage>112003</epage><pages>112003-112003</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>A partial wave analysis of the pp¯ mass-threshold enhancement in the reaction J/ψ→γpp¯ is used to determine its J(PC) quantum numbers to be 0(-+), its peak mass to be below threshold at M=1832(-5)(+19)(stat)(-17)(+18)(syst)±19(model) MeV/c(2), and its total width to be Γ<76 MeV/c(2) at the 90% C.L. The product of branching ratios is measured to be BR[J/ψ→γX(pp¯)]BR[X(pp¯)→pp¯]=[9.0(-1.1)(+0.4)(stat)(-5.0)(+1.5)(syst)±2.3(model)]×10(-5). A similar analysis performed on ψ(3686)→γpp¯ decays shows, for the first time, the presence of a corresponding enhancement with a production rate relative to that for J/ψ decays of R=[5.08(-0.45)(+0.71)(stat)(-3.58)(+0.67)(syst)±0.12(model)]%.</abstract><cop>United States</cop><pub>American Physical Society</pub><pmid>22540467</pmid><doi>10.1103/PhysRevLett.108.112003</doi><tpages>1</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2012-03, Vol.108 (11), p.112003-112003 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1104223 |
| source | American Physical Society Journals |
| title | Spin-parity analysis of pp¯ mass threshold structure in J/ψ and ψ(3686) radiative decays |
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