Search for a doubly charged DDK bound state in ϒ(1S, 2S) inclusive decays and via direct production in e+e− collisions at s=10.520 , 10.580, and 10.867 GeV
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2020
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Abstract
We report the results of a first search for a doubly charged DDK bound state, denoted the R++, in ϒ(1S) and ϒ(2S) inclusive decays and via direct production in e+e− collisions at s=10.520, 10.580, and 10.867 GeV. The search uses data accumulated with the Belle detector at the KEKB asymmetric-energy e+e− collider. No significant signals are observed in the D+Ds*+ invariant-mass spectra of all studied modes. The 90% credibility level upper limits on their product branching fractions in ϒ(1S) and ϒ(2S) inclusive decays (B(ϒ(1S, 2S)→R+++anything)×B(R++→D+Ds*+)), the product values of Born cross section and branching fraction in e+e− collisions (σ(e+e−→R+++anything)×B(R++→D+Ds*+)) at s=10.520, 10.580, and 10.867 GeV under different assumptions of R++ masses varying from 4.13 to 4.17 GeV/c2 and widths varying from 0 to 5 MeV are obtained.
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| Authors | Y. Li,S. Jia,C. P. Shen,I. Adachi,H. Aihara,S. Al Said,D. M. Asner,T. Aushev,R. Ayad,V. Babu,S. Bahinipati,P. Behera,K. Belous,J. Bennett,M. Bessner,V. Bhardwaj,B. Bhuyan,T. Bilka,J. Biswal,G. Bonvicini,A. Bozek,M. Bračko,T. E. Browder,M. Campajola,D. Červenkov,M.-C. Chang,P. Chang,A. Chen,B. G. Cheon,K. Chilikin,K. Cho,S.-J. Cho,S.-K. Choi,Y. Choi,S. Choudhury,D. Cinabro,S. Cunliffe,S. Das,N. Dash,G. De Nardo,F. Di Capua,J. Dingfelder,Z. Doležal,T. V. Dong,S. Eidelman,D. Epifanov,T. Ferber,B. G. Fulsom,R. Garg,V. Gaur,A. Garmash,A. Giri,P. Goldenzweig,Y. Guan,C. Hadjivasiliou,O. Hartbrich,K. Hayasaka,H. Hayashii,M. T. Hedges,W.-S. Hou,C.-L. Hsu,K. Inami,G. Inguglia,A. Ishikawa,R. Itoh,M. Iwasaki,W. W. Jacobs,H. B. Jeon,Y. Jin,C. W. Joo,K. K. Joo,A. B. Kaliyar,K. H. Kang,G. Karyan,T. Kawasaki,C. Kiesling,D. Y. Kim,K.-H. Kim,S. H. Kim,Y.-K. Kim,K. Kinoshita,P. Kodyš,T. Konno,S. Korpar,D. Kotchetkov,P. Križan,R. Kroeger,P. Krokovny,T. Kuhr,R. Kulasiri,M. Kumar,R. Kumar,K. Kumara,Y.-J. Kwon,K. Lalwani,J. S. Lange,I. S. Lee,S. C. Lee,C. H. Li,J. Li,L. K. Li,L. Li Gioi,J. Libby,K. Lieret,Z. Liptak,C. MacQueen,M. Masuda,T. Matsuda,D. Matvienko,M. Merola,K. Miyabayashi,H. Miyata,R. Mizuk,G. B. Mohanty,S. Mohanty,T. Mori,R. Mussa,M. Nakao,Z. Natkaniec,A. Natochii,L. Nayak,M. Nayak,M. Niiyama,N. K. Nisar,S. Nishida,H. Ono,Y. Onuki,P. Oskin,P. Pakhlov,G. Pakhlova,T. Pang,S. Pardi,H. Park,S.-H. Park,S. Patra,S. Paul,T. K. Pedlar,R. Pestotnik,L. E. Piilonen,T. Podobnik,V. Popov,E. Prencipe,M. T. Prim,M. Ritter,M. Röhrken,A. Rostomyan,N. Rout,G. Russo,D. Sahoo,Y. Sakai,S. Sandilya,A. Sangal,L. Santelj,T. Sanuki,V. Savinov,G. Schnell,J. Schueler,C. Schwanda,Y. Seino,K. Senyo,M. E. Sevior,M. Shapkin,C. Sharma,J.-G. Shiu,B. Shwartz,A. Sokolov,E. Solovieva,M. Starič,Z. S. Stottler,M. Sumihama,K. Sumisawa,T. Sumiyoshi,W. Sutcliffe,M. Takizawa,U. Tamponi,K. Tanida,F. Tenchini,M. Uchida,T. Uglov,Y. Unno,S. Uno,S. E. Vahsen,R. Van Tonder,G. Varner,A. Vinokurova,V. Vorobyev,C. H. Wang,E. Wang,M.-Z. Wang,P. Wang,M. Watanabe,S. Watanuki,E. Won,X. Xu,B. D. Yabsley,W. Yan,S. B. Yang,H. Ye,J. Yelton,J. H. Yin,C. Z. Yuan,Z. P. Zhang,V. Zhilich,V. Zhukova,V. Zhulanov,The Belle Collaboration;Y. Li;S. Jia;C. P. Shen;I. Adachi;H. Aihara;S. Al Said;D. M. Asner;T. Aushev;R. Ayad;V. Babu;S. Bahinipati;P. Behera;K. Belous;J. Bennett;M. Bessner;V. Bhardwaj;B. Bhuyan;T. Bilka;J. Biswal;G. Bonvicini;A. Bozek;M. Bračko;T. E. Browder;M. Campajola;D. Červenkov;M.-C. Chang;P. Chang;A. Chen;B. G. Cheon;K. Chilikin;K. Cho;S.-J. Cho;S.-K. Choi;Y. Choi;S. Choudhury;D. Cinabro;S. Cunliffe;S. Das;N. Dash;G. De Nardo;F. Di Capua;J. Dingfelder;Z. Doležal;T. V. Dong;S. Eidelman;D. Epifanov;T. Ferber;B. G. Fulsom;R. Garg;V. Gaur;A. Garmash;A. Giri;P. Goldenzweig;Y. Guan;C. Hadjivasiliou;O. Hartbrich;K. Hayasaka;H. Hayashii;M. T. Hedges;W.-S. Hou;C.-L. Hsu;K. Inami;G. Inguglia;A. Ishikawa;R. Itoh;M. Iwasaki;W. W. Jacobs;H. B. Jeon;Y. Jin;C. W. Joo;K. K. Joo;A. B. Kaliyar;K. H. Kang;G. Karyan;T. Kawasaki;C. Kiesling;D. Y. Kim;K.-H. Kim;S. H. Kim;Y.-K. Kim;K. Kinoshita;P. Kodyš;T. Konno;S. Korpar;D. Kotchetkov;P. Križan;R. Kroeger;P. Krokovny;T. Kuhr;R. Kulasiri;M. Kumar;R. Kumar;K. Kumara;Y.-J. Kwon;K. Lalwani;J. S. Lange;I. S. Lee;S. C. Lee;C. H. Li;J. Li;L. K. Li;L. Li Gioi;J. Libby;K. Lieret;Z. Liptak;C. MacQueen;M. Masuda;T. Matsuda;D. Matvienko;M. Merola;K. Miyabayashi;H. Miyata;R. Mizuk;G. B. Mohanty;S. Mohanty;T. Mori;R. Mussa;M. Nakao;Z. Natkaniec;A. Natochii;L. Nayak;M. Nayak;M. Niiyama;N. K. Nisar;S. Nishida;H. Ono;Y. Onuki;P. Oskin;P. Pakhlov;G. Pakhlova;T. Pang;S. Pardi;H. Park;S.-H. Park;S. Patra;S. Paul;T. K. Pedlar;R. Pestotnik;L. E. Piilonen;T. Podobnik;V. Popov;E. Prencipe;M. T. Prim;M. Ritter;M. Röhrken;A. Rostomyan;N. Rout;G. Russo;D. Sahoo;Y. Sakai;S. Sandilya;A. Sangal;L. Santelj;T. Sanuki;V. Savinov;G. Schnell;J. Schueler;C. Schwanda;Y. Seino;K. Senyo;M. E. Sevior;M. Shapkin;C. Sharma;J.-G. Shiu;B. Shwartz;A. Sokolov;E. Solovieva;M. Starič;Z. S. Stottler;M. Sumihama;K. Sumisawa;T. Sumiyoshi;W. Sutcliffe;M. Takizawa;U. Tamponi;K. Tanida;F. Tenchini;M. Uchida;T. Uglov;Y. Unno;S. Uno;S. E. Vahsen;R. Van Tonder;G. Varner;A. Vinokurova;V. Vorobyev;C. H. Wang;E. Wang;M.-Z. Wang;P. Wang;M. Watanabe;S. Watanuki;E. Won;X. Xu;B. D. Yabsley;W. Yan;S. B. Yang;H. Ye;J. Yelton;J. H. Yin;C. Z. Yuan;Z. P. Zhang;V. Zhilich;V. Zhukova;V. Zhulanov;The Belle Collaboration; |
| Journal | physical review d |
| Year | 2020 |
| DOI |
10.1103/physrevd.102.112001
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| URL | |
| Keywords |
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