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Abazov VM, Abbott B, Acharya BS, et al. Evidence for a B_{s}^{0}π^{±} State. Phys Rev Lett. 2016;117(2):022003doi: 10.1103/PhysRevLett.117.022003.
Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., Alexeev, G. D., Alkhazov, G., Alton, A., Askew, A., Atkins, S., Augsten, K., Aushev, V., Aushev, Y., Avila, C., Badaud, F., Bagby, L., Baldin, B., Bandurin, D. V., Banerjee, S., Barberis, E., Baringer, P., Bartlett, J. F., Bassler, U., Bazterra, V., Bean, A., Begalli, M., Bellantoni, L., Beri, S. B., Bernardi, G., Bernhard, R., Bertram, I., Besançon, M., Beuselinck, R., Bhat, P. C., Bhatia, S., Bhatnagar, V., Blazey, G., Blessing, S., Bloom, K., Boehnlein, A., Boline, D., Boos, E. E., Borissov, G., Borysova, M., Brandt, A., Brandt, O., Brochmann, M., Brock, R., Bross, A., Brown, D., Bu, X. B., Buehler, M., Buescher, V., Bunichev, V., Burdin, S., Buszello, C. P., Camacho-Pérez, E., Casey, B. C., Castilla-Valdez, H., Caughron, S., Chakrabarti, S., Chan, K. M., Chandra, A., Chapon, E., Chen, G., Cho, S. W., Choi, S., Choudhary, B., Cihangir, S., Claes, D., Clutter, J., Cooke, M., Cooper, W. E., Corcoran, M., Couderc, F., Cousinou, M. C., Cuth, J., Cutts, D., Das, A., Davies, G., de Jong, S. J., De La Cruz-Burelo, E., Déliot, F., Demina, R., Denisov, D., Denisov, S. P., Desai, S., Deterre, C., DeVaughan, K., Diehl, H. T., Diesburg, M., Ding, P. F., Dominguez, A., Drutskoy, A., Dubey, A., Dudko, L. V., Duperrin, A., Dutt, S., Eads, M., Edmunds, D., Ellison, J., Elvira, V. D., Enari, Y., Evans, H., Evdokimov, A., Evdokimov, V. N., Fauré, A., Feng, L., Ferbel, T., Fiedler, F., Filthaut, F., Fisher, W., Fisk, H. E., Fortner, M., Fox, H., Franc, J., Fuess, S., Garbincius, P. H., Garcia-Bellido, A., García-González, J. A., Gavrilov, V., Geng, W., Gerber, C. E., Gershtein, Y., Ginther, G., Gogota, O., Golovanov, G., Grannis, P. D., Greder, S., Greenlee, H., Grenier, G., Gris, P., Grivaz, J. F., Grohsjean, A., Grünendahl, S., Grünewald, M. W., Guillemin, T., Gutierrez, G., Gutierrez, P., Haley, J., Han, L., Harder, K., Harel, A., Hauptman, J. M., Hays, J., Head, T., Hebbeker, T., Hedin, D., Hegab, H., Heinson, A. P., Heintz, U., Hensel, C., Heredia-De La Cruz, I., Herner, K., Hesketh, G., Hildreth, M. D., Hirosky, R., Hoang, T., Hobbs, J. D., Hoeneisen, B., Hogan, J., Hohlfeld, M., Holzbauer, J. L., Howley, I., Hubacek, Z., Hynek, V., Iashvili, I., Ilchenko, Y., Illingworth, R., Ito, A. S., Jabeen, S., Jaffré, M., Jayasinghe, A., Jeong, M. S., Jesik, R., Jiang, P., Johns, K., Johnson, E., Johnson, M., Jonckheere, A., Jonsson, P., Joshi, J., Jung, A. W., Juste, A., Kajfasz, E., Karmanov, D., Katsanos, I., Kaur, M., Kehoe, R., Kermiche, S., Khalatyan, N., Khanov, A., Kharchilava, A., Kharzheev, Y. N., Kiselevich, I., Kohli, J. M., Kozelov, A. V., Kraus, J., Kumar, A., Kupco, A., Kurča, T., Kuzmin, V. A., Lammers, S., Lebrun, P., Lee, H. S., Lee, S. W., Lee, W. M., Lei, X., Lellouch, J., Li, D., Li, H., Li, L., Li, Q. Z., Lim, J. K., Lincoln, D., Linnemann, J., Lipaev, V. V., Lipton, R., Liu, H., Liu, Y., Lobodenko, A., Lokajicek, M., Lopes de Sa, R., Luna-Garcia, R., Lyon, A. L., Maciel, A. K., Madar, R., Magaña-Villalba, R., Malik, S., Malyshev, V. L., Mansour, J., Martínez-Ortega, J., McCarthy, R., McGivern, C. L., Meijer, M. M., Melnitchouk, A., Menezes, D., Mercadante, P. G., Merkin, M., Meyer, A., Meyer, J., Miconi, F., Mondal, N. K., Mulhearn, M., Nagy, E., Narain, M., Nayyar, R., Neal, H. A., Negret, J. P., Neustroev, P., Nguyen, H. T., Nunnemann, T., Orduna, J., Osman, N., Pal, A., Parashar, N., Parihar, V., Park, S. K., Partridge, R., Parua, N., Patwa, A., Penning, B., Perfilov, M., Peters, Y., Petridis, K., Petrillo, G., Pétroff, P., Pleier, M. A., Podstavkov, V. M., Popov, A. V., Prewitt, M., Price, D., Prokopenko, N., Qian, J., Quadt, A., Quinn, B., Ratoff, P. N., Razumov, I., Ripp-Baudot, I., Rizatdinova, F., Rominsky, M., Ross, A., Royon, C., Rubinov, P., Ruchti, R., Sajot, G., Sánchez-Hernández, A., Sanders, M. P., Santos, A. S., Savage, G., Savitskyi, M., Sawyer, L., Scanlon, T., Schamberger, R. D., Scheglov, Y., Schellman, H., Schott, M., Schwanenberger, C., Schwienhorst, R., Sekaric, J., Severini, H., Shabalina, E., Shary, V., Shaw, S., Shchukin, A. A., Simak, V., Skubic, P., Slattery, P., Snow, G. R., Snow, J., Snyder, S., Söldner-Rembold, S., Sonnenschein, L., Soustruznik, K., Stark, J., Stefaniuk, N., Stoyanova, D. A., Strauss, M., Suter, L., Svoisky, P., Titov, M., Tokmenin, V. V., Tsai, Y. T., Tsybychev, D., Tuchming, B., Tully, C., Uvarov, L., Uvarov, S., Uzunyan, S., Van Kooten, R., van Leeuwen, W. M., Varelas, N., Varnes, E. W., Vasilyev, I. A., Verkheev, A. Y., Vertogradov, L. S., Verzocchi, M., Vesterinen, M., Vilanova, D., Vokac, P., Wahl, H. D., Wang, M. H., Warchol, J., Watts, G., Wayne, M., Weichert, J., Welty-Rieger, L., Williams, M. R., Wilson, G. W., Wobisch, M., Wood, D. R., Wyatt, T. R., Xie, Y., Yamada, R., Yang, S., Yasuda, T., Yatsunenko, Y. A., Ye, W., Ye, Z., Yin, H., Yip, K., Youn, S. W., Yu, J. M., Zennamo, J., Zhao, T. G., Zhou, B., Zhu, J., Zielinski, M., Zieminska, D., Zivkovic, L. (2016). Evidence for a B_{s}^{0}π^{±} State. Physical review letters, 117(2), 022003. https://doi.org/10.1103/PhysRevLett.117.022003
Abazov, V M, et al. "Evidence for a B_{s}^{0}π^{±} State." Physical review letters vol. 117,2 (2016): 022003. doi: https://doi.org/10.1103/PhysRevLett.117.022003
Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Agnew JP, Alexeev GD, Alkhazov G, Alton A, Askew A, Atkins S, Augsten K, Aushev V, Aushev Y, Avila C, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bhat PC, Bhatia S, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Borysova M, Brandt A, Brandt O, Brochmann M, Brock R, Bross A, Brown D, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Buszello CP, Camacho-Pérez E, Casey BC, Castilla-Valdez H, Caughron S, Chakrabarti S, Chan KM, Chandra A, Chapon E, Chen G, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Cuth J, Cutts D, Das A, Davies G, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Drutskoy A, Dubey A, Dudko LV, Duperrin A, Dutt S, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Fauré A, Feng L, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Franc J, Fuess S, Garbincius PH, Garcia-Bellido A, García-González JA, Gavrilov V, Geng W, Gerber CE, Gershtein Y, Ginther G, Gogota O, Golovanov G, Grannis PD, Greder S, Greenlee H, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hogan J, Hohlfeld M, Holzbauer JL, Howley I, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jayasinghe A, Jeong MS, Jesik R, Jiang P, Johns K, Johnson E, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kajfasz E, Karmanov D, Katsanos I, Kaur M, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kiselevich I, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Lammers S, Lebrun P, Lee HS, Lee SW, Lee WM, Lei X, Lellouch J, Li D, Li H, Li L, Li QZ, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu H, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Luna-Garcia R, Lyon AL, Maciel AK, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Mansour J, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Mulhearn M, Nagy E, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Nguyen HT, Nunnemann T, Orduna J, Osman N, Pal A, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters Y, Petridis K, Petrillo G, Pétroff P, Pleier MA, Podstavkov VM, Popov AV, Prewitt M, Price D, Prokopenko N, Qian J, Quadt A, Quinn B, Ratoff PN, Razumov I, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Sajot G, Sánchez-Hernández A, Sanders MP, Santos AS, Savage G, Savitskyi M, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schott M, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shaw S, Shchukin AA, Simak V, Skubic P, Slattery P, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stefaniuk N, Stoyanova DA, Strauss M, Suter L, Svoisky P, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verkheev AY, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MH, Warchol J, Watts G, Wayne M, Weichert J, Welty-Rieger L, Williams MR, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yamada R, Yang S, Yasuda T, Yatsunenko YA, Ye W, Ye Z, Yin H, Yip K, Youn SW, Yu JM, Zennamo J, Zhao TG, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Evidence for a B_{s}^{0}π^{±} State. Phys Rev Lett. 2016 Jul 08;117(2):022003. doi: 10.1103/PhysRevLett.117.022003. Epub 2016 Jul 07. PMID: 27447502.
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Phys Rev Lett. 2016 Jul 08;117(2):022003. doi: 10.1103/PhysRevLett.117.022003. Epub 2016 Jul 07.

Evidence for a B_{s}^{0}π^{±} State.

Physical review letters

V M Abazov, B Abbott, B S Acharya, M Adams, T Adams, J P Agnew, G D Alexeev, G Alkhazov, A Alton, A Askew, S Atkins, K Augsten, V Aushev, Y Aushev, C Avila, F Badaud, L Bagby, B Baldin, D V Bandurin, S Banerjee, E Barberis, P Baringer, J F Bartlett, U Bassler, V Bazterra, A Bean, M Begalli, L Bellantoni, S B Beri, G Bernardi, R Bernhard, I Bertram, M Besançon, R Beuselinck, P C Bhat, S Bhatia, V Bhatnagar, G Blazey, S Blessing, K Bloom, A Boehnlein, D Boline, E E Boos, G Borissov, M Borysova, A Brandt, O Brandt, M Brochmann, R Brock, A Bross, D Brown, X B Bu, M Buehler, V Buescher, V Bunichev, S Burdin, C P Buszello, E Camacho-Pérez, B C K Casey, H Castilla-Valdez, S Caughron, S Chakrabarti, K M Chan, A Chandra, E Chapon, G Chen, S W Cho, S Choi, B Choudhary, S Cihangir, D Claes, J Clutter, M Cooke, W E Cooper, M Corcoran, F Couderc, M-C Cousinou, J Cuth, D Cutts, A Das, G Davies, S J de Jong, E De La Cruz-Burelo, F Déliot, R Demina, D Denisov, S P Denisov, S Desai, C Deterre, K DeVaughan, H T Diehl, M Diesburg, P F Ding, A Dominguez, A Drutskoy, A Dubey, L V Dudko, A Duperrin, S Dutt, M Eads, D Edmunds, J Ellison, V D Elvira, Y Enari, H Evans, A Evdokimov, V N Evdokimov, A Fauré, L Feng, T Ferbel, F Fiedler, F Filthaut, W Fisher, H E Fisk, M Fortner, H Fox, J Franc, S Fuess, P H Garbincius, A Garcia-Bellido, J A García-González, V Gavrilov, W Geng, C E Gerber, Y Gershtein, G Ginther, O Gogota, G Golovanov, P D Grannis, S Greder, H Greenlee, G Grenier, Ph Gris, J-F Grivaz, A Grohsjean, S Grünendahl, M W Grünewald, T Guillemin, G Gutierrez, P Gutierrez, J Haley, L Han, K Harder, A Harel, J M Hauptman, J Hays, T Head, T Hebbeker, D Hedin, H Hegab, A P Heinson, U Heintz, C Hensel, I Heredia-De La Cruz, K Herner, G Hesketh, M D Hildreth, R Hirosky, T Hoang, J D Hobbs, B Hoeneisen, J Hogan, M Hohlfeld, J L Holzbauer, I Howley, Z Hubacek, V Hynek, I Iashvili, Y Ilchenko, R Illingworth, A S Ito, S Jabeen, M Jaffré, A Jayasinghe, M S Jeong, R Jesik, P Jiang, K Johns, E Johnson, M Johnson, A Jonckheere, P Jonsson, J Joshi, A W Jung, A Juste, E Kajfasz, D Karmanov, I Katsanos, M Kaur, R Kehoe, S Kermiche, N Khalatyan, A Khanov, A Kharchilava, Y N Kharzheev, I Kiselevich, J M Kohli, A V Kozelov, J Kraus, A Kumar, A Kupco, T Kurča, V A Kuzmin, S Lammers, P Lebrun, H S Lee, S W Lee, W M Lee, X Lei, J Lellouch, D Li, H Li, L Li, Q Z Li, J K Lim, D Lincoln, J Linnemann, V V Lipaev, R Lipton, H Liu, Y Liu, A Lobodenko, M Lokajicek, R Lopes de Sa, R Luna-Garcia, A L Lyon, A K A Maciel, R Madar, R Magaña-Villalba, S Malik, V L Malyshev, J Mansour, J Martínez-Ortega, R McCarthy, C L McGivern, M M Meijer, A Melnitchouk, D Menezes, P G Mercadante, M Merkin, A Meyer, J Meyer, F Miconi, N K Mondal, M Mulhearn, E Nagy, M Narain, R Nayyar, H A Neal, J P Negret, P Neustroev, H T Nguyen, T Nunnemann, J Orduna, N Osman, A Pal, N Parashar, V Parihar, S K Park, R Partridge, N Parua, A Patwa, B Penning, M Perfilov, Y Peters, K Petridis, G Petrillo, P Pétroff, M-A Pleier, V M Podstavkov, A V Popov, M Prewitt, D Price, N Prokopenko, J Qian, A Quadt, B Quinn, P N Ratoff, I Razumov, I Ripp-Baudot, F Rizatdinova, M Rominsky, A Ross, C Royon, P Rubinov, R Ruchti, G Sajot, A Sánchez-Hernández, M P Sanders, A S Santos, G Savage, M Savitskyi, L Sawyer, T Scanlon, R D Schamberger, Y Scheglov, H Schellman, M Schott, C Schwanenberger, R Schwienhorst, J Sekaric, H Severini, E Shabalina, V Shary, S Shaw, A A Shchukin, V Simak, P Skubic, P Slattery, G R Snow, J Snow, S Snyder, S Söldner-Rembold, L Sonnenschein, K Soustruznik, J Stark, N Stefaniuk, D A Stoyanova, M Strauss, L Suter, P Svoisky, M Titov, V V Tokmenin, Y-T Tsai, D Tsybychev, B Tuchming, C Tully, L Uvarov, S Uvarov, S Uzunyan, R Van Kooten, W M van Leeuwen, N Varelas, E W Varnes, I A Vasilyev, A Y Verkheev, L S Vertogradov, M Verzocchi, M Vesterinen, D Vilanova, P Vokac, H D Wahl, M H L S Wang, J Warchol, G Watts, M Wayne, J Weichert, L Welty-Rieger, M R J Williams, G W Wilson, M Wobisch, D R Wood, T R Wyatt, Y Xie, R Yamada, S Yang, T Yasuda, Y A Yatsunenko, W Ye, Z Ye, H Yin, K Yip, S W Youn, J M Yu, J Zennamo, T G Zhao, B Zhou, J Zhu, M Zielinski, D Zieminska, L Zivkovic,

Affiliations

  1. Joint Institute for Nuclear Research, Dubna 141980, Russia.
  2. University of Oklahoma, Norman, Oklahoma 73019, USA.
  3. Tata Institute of Fundamental Research, Mumbai 400 005, India.
  4. University of Illinois at Chicago, Chicago, Illinois 60607, USA.
  5. Florida State University, Tallahassee, Florida 32306, USA.
  6. The University of Manchester, Manchester M13 9PL, United Kingdom.
  7. Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia.
  8. University of Michigan, Ann Arbor, Michigan 48109, USA.
  9. Louisiana Tech University, Ruston, Louisiana 71272, USA.
  10. Czech Technical University in Prague, 116 36 Prague 6, Czech Republic.
  11. Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine.
  12. Universidad de los Andes, Bogotá 111711, Colombia.
  13. LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, F-63178 Aubière Cedex, France.
  14. Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  15. University of Virginia, Charlottesville, Virginia 22904, USA.
  16. Northeastern University, Boston, Massachusetts 02115, USA.
  17. University of Kansas, Lawrence, Kansas 66045, USA.
  18. CEA Saclay, Irfu, SPP, F-91191 Gif-Sur-Yvette Cedex, France.
  19. Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 20550, Brazil.
  20. Panjab University, Chandigarh 160014, India.
  21. LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France.
  22. Physikalisches Institut, Universität Freiburg, 79085 Freiburg, Germany.
  23. Lancaster University, Lancaster LA1 4YB, United Kingdom.
  24. Imperial College London, London SW7 2AZ, United Kingdom.
  25. University of Mississippi, University, Mississippi 38677, USA.
  26. Northern Illinois University, DeKalb, Illinois 60115, USA.
  27. University of Nebraska, Lincoln, Nebraska 68588, USA.
  28. State University of New York, Stony Brook, New York 11794, USA.
  29. Moscow State University, Moscow 119991, Russia.
  30. University of Texas, Arlington, Texas 76019, USA.
  31. II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany.
  32. University of Washington, Seattle, Washington 98195, USA.
  33. Michigan State University, East Lansing, Michigan 48824, USA.
  34. Institut für Physik, Universität Mainz, 55099 Mainz, Germany.
  35. Uppsala University, 751 05 Uppsala, Sweden.
  36. CINVESTAV, Mexico City 07360, Mexico.
  37. University of Notre Dame, Notre Dame, Indiana 46556, USA.
  38. Rice University, Houston, Texas 77005, USA.
  39. Korea Detector Laboratory, Korea University, Seoul 02841, Korea.
  40. Delhi University, Delhi 110 007, India.
  41. CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France.
  42. Brown University, Providence, Rhode Island 02912, USA.
  43. Southern Methodist University, Dallas, Texas 75275, USA.
  44. Nikhef, Science Park, 1098 XG Amsterdam, The Netherlands.
  45. Radboud University Nijmegen, 6525 AJ Nijmegen, The Netherlands.
  46. University of Rochester, Rochester, New York 14627, USA.
  47. Institute for High Energy Physics, Protvino, Moscow region 142281, Russia.
  48. Institute for Theoretical and Experimental Physics, Moscow 117259, Russia.
  49. University of California Riverside, Riverside, California 92521, USA.
  50. Indiana University, Bloomington, Indiana 47405, USA.
  51. Rutgers University, Piscataway, New Jersey 08855, USA.
  52. IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France.
  53. IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France.
  54. LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France.
  55. University College Dublin, Dublin 4, Ireland.
  56. Oklahoma State University, Stillwater, Oklahoma 74078, USA.
  57. University of Science and Technology of China, Hefei 230026, People's Republic of China.
  58. Iowa State University, Ames, Iowa 50011, USA.
  59. III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany.
  60. LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Rio de Janeiro 22290, Brazil.
  61. Universidad San Francisco de Quito, Quito, Ecuador.
  62. State University of New York, Buffalo, New York 14260, USA.
  63. University of Arizona, Tucson, Arizona 85721, USA.
  64. Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Física d'Altes Energies (IFAE), 08193 Bellaterra (Barcelona), Spain.
  65. Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic.
  66. Universidade Federal do ABC, Santo André, Sao Paulo 09210, Brazil.
  67. Ludwig-Maximilians-Universität München, 80539 München, Germany.
  68. Purdue University Calumet, Hammond, Indiana 46323, USA.
  69. Brookhaven National Laboratory, Upton, New York 11973, USA.
  70. LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France.
  71. Northwestern University, Evanston, Illinois 60208, USA.
  72. Oregon State University, Corvallis, Oregon 97331, USA.
  73. Langston University, Langston, Oklahoma 73050, USA.
  74. Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, 116 36 Prague 1, Czech Republic.
  75. Princeton University, Princeton, New Jersey 08544, USA.

PMID: 27447502 DOI: 10.1103/PhysRevLett.117.022003

Abstract

We report evidence for a narrow structure, X(5568), in the decay sequence X(5568)→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, J/ψ→μ^{+}μ^{-}, ϕ→K^{+}K^{-}. This is evidence for the first instance of a hadronic state with valence quarks of four different flavors. The mass and natural width of this state are measured to be m=5567.8±2.9(stat)_{-1.9}^{+0.9}(syst)  MeV/c^{2} and Γ=21.9±6.4(stat)_{-2.5}^{+5.0}(syst)  MeV/c^{2}. If the decay is X(5568)→B_{s}^{*}π^{±}→B_{s}^{0}γπ^{±} with an unseen γ, m(X(5568)) will be shifted up by m(B_{s}^{*})-m(B_{s}^{0})∼49  MeV/c^{2}. This measurement is based on 10.4  fb^{-1} of pp[over ¯] collision data at sqrt[s]=1.96  TeV collected by the D0 experiment at the Fermilab Tevatron collider.

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