Observation of Zb(10610) and Zb(10650) Decaying to B Mesons

doi:10.1103/PhysRevLett.116.212001

Title: Observation of $Z_{b} (10610)$ and $Z_{b} (10650)$ Decaying to $B$ Mesons

Abstract

We detail the analysis of the three-body $e^{+} e^{-} \to B \bar{B} π^{\pm}$ , $B {\bar{B}}^{*} π^{\pm}$ , and $B^{*} {\bar{B}}^{*} π^{\pm}$ processes, including the first observations of the $Z_{b}^{\pm} (10610) \to [B {\bar{B}}^{*} + c . c .]^{\pm}$ and $Z_{b}^{\pm} (10650) \to [B^{*} {\bar{B}}^{*}]^{\pm}$ transitions that are found to dominate the corresponding final states. We measure Born cross sections for the three-body production of $σ (e^{+} e^{-} \to [B {\bar{B}}^{*} + c . c .]^{\pm} π^{\mp}) = [17.4 \pm 1.6 (stat) \pm 1.9 (syst)] pb$ and $σ (e^{+} e^{-} \to [B^{*} {\bar{B}}^{*}]^{\pm} π^{\mp}) = [8.75 \pm 1.15 (stat) \pm 1.04 (syst)] pb$ and set a 90% C.L. upper limit of $σ (e^{+} e^{-} \to [B \bar{B}]^{\pm} π^{\mp}) < 2.9 pb$ . The results are based on a $121.4 {fb}^{- 1}$ data sample collected with the Belle detector at a center-of-mass energy near the $Υ (10860)$ peak.

Authors:: Garmash, A.; Abdesselam, A.; Adachi, I.; Aihara, H.; Asner, D. M.; Aushev, T.; Ayad, R.; Aziz, T.; Babu, V.; Badhrees, I.; Bakich, A. M.; Behera, P.; Bhardwaj, V.; Bhuyan, B.; Bobrov, A.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E. more »« less

Publication Date:: 2016-05-24

Research Org.:: Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Contributing Org.:: Belle Collaboration

OSTI Identifier:: 1594390

Alternate Identifier(s):: OSTI ID: 1254349

Report Number(s):: PNNL-SA-120664
Journal ID: ISSN 0031-9007; PRLTAO

Grant/Contract Number:: SC0009973

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 116; Journal Issue: 21; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Garmash, A., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bakich, A. M., Behera, P., Bhardwaj, V., Bhuyan, B., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Gillard, R., Goh, Y. M., Goldenzweig, P., Golob, B., Hara, T., Hayasaka, K., Hayashii, H., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Kinoshita, K., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C., Li, H., Li, L., Li Gioi, L., Libby, J., Liventsev, D., Lukin, P., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nishida, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Pal, B., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Ribežl, E., Ritter, M., Rostomyan, A., Sahoo, H., Sakai, Y., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Semmler, D., Senyo, K., Seong, I. S., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Solovieva, E., Starič, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vorobyev, V., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Williams, K. M., Won, E., Yamamoto, H., Yamaoka, J., Yashchenko, S., Yelton, J., Yook, Y., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Observation of Zb(10610) and Zb(10650) Decaying to B Mesons.  United States: N. p., 2016. 
        Web.  doi:10.1103/PhysRevLett.116.212001.

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                    Garmash, A., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bakich, A. M., Behera, P., Bhardwaj, V., Bhuyan, B., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Gillard, R., Goh, Y. M., Goldenzweig, P., Golob, B., Hara, T., Hayasaka, K., Hayashii, H., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Kinoshita, K., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C., Li, H., Li, L., Li Gioi, L., Libby, J., Liventsev, D., Lukin, P., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nishida, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Pal, B., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Ribežl, E., Ritter, M., Rostomyan, A., Sahoo, H., Sakai, Y., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Semmler, D., Senyo, K., Seong, I. S., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Solovieva, E., Starič, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vorobyev, V., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Williams, K. M., Won, E., Yamamoto, H., Yamaoka, J., Yashchenko, S., Yelton, J., Yook, Y., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhulanov, V., & Zupanc, A. Observation of Zb(10610) and Zb(10650) Decaying to B Mesons.  United States.  doi:10.1103/PhysRevLett.116.212001.

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                    Garmash, A., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bakich, A. M., Behera, P., Bhardwaj, V., Bhuyan, B., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Gillard, R., Goh, Y. M., Goldenzweig, P., Golob, B., Hara, T., Hayasaka, K., Hayashii, H., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Kinoshita, K., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C., Li, H., Li, L., Li Gioi, L., Libby, J., Liventsev, D., Lukin, P., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nishida, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Pal, B., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Ribežl, E., Ritter, M., Rostomyan, A., Sahoo, H., Sakai, Y., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Semmler, D., Senyo, K., Seong, I. S., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Solovieva, E., Starič, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vorobyev, V., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Williams, K. M., Won, E., Yamamoto, H., Yamaoka, J., Yashchenko, S., Yelton, J., Yook, Y., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Tue .  
        "Observation of Zb(10610) and Zb(10650) Decaying to B Mesons".  United States.  doi:10.1103/PhysRevLett.116.212001.  https://www.osti.gov/servlets/purl/1594390.

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@article{osti_1594390,

  title        = {Observation of Zb(10610) and Zb(10650) Decaying to B Mesons},

  author       = {Garmash, A. and Abdesselam, A. and Adachi, I. and Aihara, H. and Asner, D. M. and Aushev, T. and Ayad, R. and Aziz, T. and Babu, V. and Badhrees, I. and Bakich, A. M. and Behera, P. and Bhardwaj, V. and Bhuyan, B. and Bobrov, A. and Bondar, A. and Bonvicini, G. and Bozek, A. and Bračko, M. and Browder, T. E. and Červenkov, D. and Chekelian, V. and Chen, A. and Cheon, B. G. and Chilikin, K. and Cho, K. and Chobanova, V. and Choi, Y. and Cinabro, D. and Dalseno, J. and Danilov, M. and Dash, N. and Doležal, Z. and Drutskoy, A. and Dutta, D. and Eidelman, S. and Epifanov, D. and Farhat, H. and Fast, J. E. and Ferber, T. and Fulsom, B. G. and Gaur, V. and Gabyshev, N. and Gillard, R. and Goh, Y. M. and Goldenzweig, P. and Golob, B. and Hara, T. and Hayasaka, K. and Hayashii, H. and Iijima, T. and Ishikawa, A. and Itoh, R. and Iwasaki, Y. and Jaegle, I. and Joffe, D. and Joo, K. K. and Julius, T. and Kang, K. H. and Kato, E. and Kawasaki, T. and Kim, D. Y. and Kim, J. B. and Kim, K. T. and Kim, M. J. and Kim, S. H. and Kim, Y. J. and Kinoshita, K. and Korpar, S. and Križan, P. and Krokovny, P. and Kuhr, T. and Kuzmin, A. and Kwon, Y. -J. and Lange, J. S. and Lee, I. S. and Li, C. and Li, H. and Li, L. and Li Gioi, L. and Libby, J. and Liventsev, D. and Lukin, P. and Masuda, M. and Matvienko, D. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Mohanty, G. B. and Moll, A. and Mori, T. and Mussa, R. and Nakano, E. and Nakao, M. and Nanut, T. and Natkaniec, Z. and Nishida, S. and Olsen, S. L. and Pakhlov, P. and Pakhlova, G. and Pal, B. and Park, H. and Pedlar, T. K. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Pulvermacher, C. and Ribežl, E. and Ritter, M. and Rostomyan, A. and Sahoo, H. and Sakai, Y. and Sandilya, S. and Sanuki, T. and Savinov, V. and Schneider, O. and Schnell, G. and Schwanda, C. and Seino, Y. and Semmler, D. and Senyo, K. and Seong, I. S. and Sevior, M. E. and Shebalin, V. and Shen, C. P. and Shibata, T. -A. and Shiu, J. -G. and Shwartz, B. and Simon, F. and Sohn, Y. -S. and Solovieva, E. and Starič, M. and Sumiyoshi, T. and Tamponi, U. and Tanida, K. and Teramoto, Y. and Trabelsi, K. and Uchida, M. and Uehara, S. and Uglov, T. and Uno, S. and Van Hulse, C. and Vanhoefer, P. and Varner, G. and Vorobyev, V. and Wagner, M. N. and Wang, C. H. and Wang, M. -Z. and Wang, P. and Watanabe, Y. and Williams, K. M. and Won, E. and Yamamoto, H. and Yamaoka, J. and Yashchenko, S. and Yelton, J. and Yook, Y. and Yuan, C. Z. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},

  abstractNote = {We detail the analysis of the three-body e+e-→BB¯π±, BB¯*π±, and B*B¯*π± processes, including the first observations of the Zb±(10610)→[BB¯*+c.c.]± and Zb±(10650)→[B*B¯*]± transitions that are found to dominate the corresponding final states. We measure Born cross sections for the three-body production of σ(e+e-→[BB¯*+c.c.]±π∓)=[17.4±1.6(stat)±1.9(syst)] pb and σ(e+e-→[B*B¯*]±π∓)=[8.75±1.15(stat)±1.04(syst)] pb and set a 90% C.L. upper limit of σ(e+e-→[BB¯]±π∓)<2.9 pb. The results are based on a 121.4 fb-1 data sample collected with the Belle detector at a center-of-mass energy near the Υ(10860) peak.},

  doi          = {10.1103/PhysRevLett.116.212001},

  journal      = {Physical Review Letters},

  number       = 21,

  volume       = 116,

  place        = {United States},

  year         = {2016},

  month        = {5}

}

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DOI: 10.1103/PhysRevLett.116.212001

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Title: Observation of Z b ( 10610 ) and Z b ( 10650 ) Decaying to B Mesons

Abstract

Citation Formats

Hadron interaction with heavy quarkonia journal, February 2012

Tetraquark interpretation of the charged bottomonium-like states Z b ± ( 10610 ) and Z b ± ( 10650 ) and implications journal, March 2012

Born-Oppenheimer approximation for the X Y Z mesons journal, July 2014

Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data journal, February 2010

Heavy quark spin structure in Z b resonances journal, September 2011

Observation of Two Charged Bottomoniumlike Resonances in Υ ( 5 S ) Decays journal, March 2012

Exotic mesons with hidden bottom near thresholds journal, July 2012

Study of B → D * * l ν with full reconstruction tagging journal, May 2008

Amplitude analysis of e + e − → ϒ ( n S ) π + π − at s = 10.866 GeV journal, April 2015

The EvtGen particle decay simulation package journal, April 2001

Measurement of Υ ( 5 S ) decays to B 0 and B + mesons journal, June 2010

Review of Particle Physics journal, August 2014

Z b ( 10 610 ) and Z b ( 10 650 ) structures produced by the initial single pion emission in the Υ ( 5 S ) decays journal, November 2011

Overview of the KEKB accelerators journal, February 2003

The Belle detector journal, February 2002

Title: Observation of $Z_{b} (10610)$ and $Z_{b} (10650)$ Decaying to $B$ Mesons

Hadron interaction with heavy quarkonia
journal, February 2012

Tetraquark interpretation of the charged bottomonium-like states $Z_{b}^{\pm} (10610)$ and $Z_{b}^{\pm} (10650)$ and implications
journal, March 2012

Born-Oppenheimer approximation for the $X Y Z$ mesons
journal, July 2014

Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data
journal, February 2010

Heavy quark spin structure in $Z_{b}$ resonances
journal, September 2011

Observation of Two Charged Bottomoniumlike Resonances in $Υ (5 S)$ Decays
journal, March 2012

Exotic mesons with hidden bottom near thresholds
journal, July 2012

Study of $B \to D^{* *} l ν$ with full reconstruction tagging
journal, May 2008

Amplitude analysis of $e^{+} e^{-} \to ϒ (n S) π^{+} π^{-}$ at $\sqrt{s} = 10.866 GeV$
journal, April 2015

The EvtGen particle decay simulation package
journal, April 2001

Measurement of $Υ (5 S)$ decays to $B^{0}$ and $B^{+}$ mesons
journal, June 2010

Review of Particle Physics
journal, August 2014

$Z_{b} (10 610)$ and $Z_{b} (10 650)$ structures produced by the initial single pion emission in the $Υ (5 S)$ decays
journal, November 2011

Overview of the KEKB accelerators
journal, February 2003

The Belle detector
journal, February 2002