Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia

E. Guido; R. Mussa; U. Tamponi; I. Adachi; H. Aihara; S. Al Said; D. M. Asner; V. Aulchenko; T. Aushev; R. Ayad; I. Badhrees; A. M. Bakich; V. Bansal; P. Behera; V. Bhardwaj; B. Bhuyan; J. Biswal; A. Bobrov; A. Bondar; A. Bozek; M. Bračko; T. E. Browder; D. Červenkov; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; K. Cho; S. K. Choi; Y. Choi; D. Cinabro; N. Dash; S. Di Carlo; Z. DoleŽal; Z. Drásal; S. Eidelman; D. Epifanov; H. Farhat; J. E. Fast; T. Ferber; B. G. Fulsom; V. Gaur; N. Gabyshev; A. Garmash; M. Gelb; R. Gillard; P. Goldenzweig; J. Haba; T. Hara; K. Hayasaka; H. Hayashii; M. T. Hedges; W. S. Hou; T. Iijima; K. Inami; G. Inguglia; A. Ishikawa; R. Itoh; Y. Iwasaki; W. W. Jacobs; I. Jaegle; H. B. Jeon; S. Jia; Y. Jin; D. Joffe; K. K. Joo; T. Julius; K. H. Kang; G. Karyan; T. Kawasaki; D. Y. Kim; J. B. Kim; K. T. Kim; M. J. Kim; S. H. Kim; Y. J. Kim; K. Kinoshita; P. Kodyš; S. Korpar; D. Kotchetkov; P. KriŽan; P. Krokovny; R. Kulasiri; T. Kumita; A. Kuzmin; Y. J. Kwon; J. S. Lange; P. Lewis; C. H. Li; L. Li; L. Li Gioi; J. Libby; D. Liventsev; M. Lubej; T. Luo; M. Masuda; T. Matsuda; D. Matvienko; M. Merola; K. Miyabayashi; H. Miyata; R. Mizuk; H. K. Moon; T. Mori; E. Nakano; M. Nakao; T. Nanut; K. J. Nath; Z. Natkaniec; M. Nayak; M. Niiyama; N. K. Nisar; S. Nishida; S. Ogawa; H. Ono; P. Pakhlov; G. Pakhlova; B. Pal; S. Pardi; C. S. Park; H. Park; S. Paul; T. K. Pedlar; R. Pestotnik; L. E. Piilonen; C. Pulvermacher; M. Ritter; A. Rostomyan; Y. Sakai; S. Sandilya; L. Santelj; T. Sanuki; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; Y. Seino; K. Senyo; M. E. Sevior; V. Shebalin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; F. Simon; A. Sokolov; E. Solovieva; M. Starič; J. F. Strube; K. Sumisawa; T. Sumiyoshi; M. Takizawa; K. Tanida; F. Tenchini; K. Trabelsi; M. Uchida; T. Uglov; Y. Unno; S. Uno; Y. Usov; C. Van Hulse; G. Varner; A. Vinokurova; V. Vorobyev; A. Vossen; C. H. Wang; P. Wang; X. L. Wang; M. Watanabe; Y. Watanabe; S. Watanuki; E. Widmann; K. M. Williams; E. Won; Y. Yamashita; H. Ye; C. Z. Yuan; Z. P. Zhang; V. Zhilich; V. Zhukova; V. Zhulanov; A. Zupanc

doi:10.1103/PhysRevD.96.052005

Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia

E. Guido, R. Mussa, U. Tamponi, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, I. Badhrees, A. M. Bakich, V. Bansal, P. Behera, V. Bhardwaj, B. Bhuyan, J. Biswal, A. Bobrov, A. Bondar, A. BozekM. Bračko, T. E. Browder, D. Červenkov, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S. K. Choi, Y. Choi, D. Cinabro, N. Dash, S. Di Carlo, Z. DoleŽal, Z. Drásal, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, M. Gelb, R. Gillard, P. Goldenzweig, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, M. T. Hedges, W. S. Hou, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, Y. Iwasaki, W. W. Jacobs, I. Jaegle, H. B. Jeon, S. Jia, Y. Jin, D. Joffe, K. K. Joo, T. Julius, K. H. Kang, G. Karyan, T. Kawasaki, D. Y. Kim, J. B. Kim, K. T. Kim, M. J. Kim, S. H. Kim, Y. J. Kim, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. KriŽan, P. Krokovny, R. Kulasiri, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, P. Lewis, C. H. Li, L. Li, L. Li Gioi, J. Libby, D. Liventsev, M. Lubej, T. Luo, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, K. Miyabayashi, H. Miyata, R. Mizuk, H. K. Moon, T. Mori, E. Nakano, M. Nakao, T. Nanut, K. J. Nath, Z. Natkaniec, M. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, S. Ogawa, H. Ono, P. Pakhlov, G. Pakhlova, B. Pal, S. Pardi, C. S. Park, H. Park, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, C. Pulvermacher, M. Ritter, A. Rostomyan, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, Y. Seino, K. Senyo, M. E. Sevior, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, F. Simon, A. Sokolov, E. Solovieva, M. Starič, J. F. Strube, K. Sumisawa, T. Sumiyoshi, M. Takizawa, K. Tanida, F. Tenchini, K. Trabelsi, M. Uchida, T. Uglov, Y. Unno, S. Uno, Y. Usov, C. Van Hulse, G. Varner, A. Vinokurova, V. Vorobyev, A. Vossen, C. H. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, S. Watanuki, E. Widmann, K. M. Williams, E. Won, Y. Yamashita, H. Ye, C. Z. Yuan, Z. P. Zhang, V. Zhilich, V. Zhukova, V. Zhulanov, A. Zupanc

SCI - Physics

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

We study hadronic transitions between bottomonium states using 496 fb-1 data collected at the ?(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider. We measure B(?(4S)→π+π(1S))=(8.2±0.5(stat)±0.4(syst))×10-5, B(?(4S)→π+π(2S))=(7.9±1.0(stat)±0.4(syst))×10-5, and B(?(4S)→η?(1S))=(1.70±0.23(stat)±0.08(syst))×10-4. We measure the ratio of branching fractions R=B(?(4S)→η?(1S))/B(?(4S)→π+π(1S))=2.07±0.30(stat)±0.11(syst). We search for the decay ?(1D31,2)→η?(1S), but do not find significant evidence for such a transition. We also measure the initial-state radiation production cross sections of the ?(2S,3S) resonances and we find values compatible with the expected ones. Finally, the analysis of the ?(4S)→π+π(1S) events shows indications for a resonant contribution due to the f0(980) meson.

Original language	English
Article number	052005
Journal	Physical Review D
Volume	96
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.96.052005
Publication status	Published - 2017 Sept 1

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10.1103/PhysRevD.96.052005

Cite this

Guido, E., Mussa, R., Tamponi, U., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Bhardwaj, V., Bhuyan, B., Biswal, J., Bobrov, A., Bondar, A., ... Zupanc, A. (2017). Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia. Physical Review D, 96(5), Article 052005. https://doi.org/10.1103/PhysRevD.96.052005

@article{770c3ca47d2c4c0493fcb69d8532063d,

title = "Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia",

abstract = "We study hadronic transitions between bottomonium states using 496 fb-1 data collected at the ?(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider. We measure B(?(4S)→π+π(1S))=(8.2±0.5(stat)±0.4(syst))×10-5, B(?(4S)→π+π(2S))=(7.9±1.0(stat)±0.4(syst))×10-5, and B(?(4S)→η?(1S))=(1.70±0.23(stat)±0.08(syst))×10-4. We measure the ratio of branching fractions R=B(?(4S)→η?(1S))/B(?(4S)→π+π(1S))=2.07±0.30(stat)±0.11(syst). We search for the decay ?(1D31,2)→η?(1S), but do not find significant evidence for such a transition. We also measure the initial-state radiation production cross sections of the ?(2S,3S) resonances and we find values compatible with the expected ones. Finally, the analysis of the ?(4S)→π+π(1S) events shows indications for a resonant contribution due to the f0(980) meson.",

author = "E. Guido and R. Mussa and U. Tamponi and I. Adachi and H. Aihara and {Al Said}, S. and Asner, {D. M.} and V. Aulchenko and T. Aushev and R. Ayad and I. Badhrees and Bakich, {A. M.} and V. Bansal and P. Behera and V. Bhardwaj and B. Bhuyan and J. Biswal and A. Bobrov and A. Bondar and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and D. {\v C}ervenkov and V. Chekelian and A. Chen and Cheon, {B. G.} and K. Chilikin and K. Cho and Choi, {S. K.} and Y. Choi and D. Cinabro and N. Dash and {Di Carlo}, S. and Z. Dole{\v Z}al and Z. Dr{\'a}sal and S. Eidelman and D. Epifanov and H. Farhat and Fast, {J. E.} and T. Ferber and Fulsom, {B. G.} and V. Gaur and N. Gabyshev and A. Garmash and M. Gelb and R. Gillard and P. Goldenzweig and J. Haba and T. Hara and K. Hayasaka and H. Hayashii and Hedges, {M. T.} and Hou, {W. S.} and T. Iijima and K. Inami and G. Inguglia and A. Ishikawa and R. Itoh and Y. Iwasaki and Jacobs, {W. W.} and I. Jaegle and Jeon, {H. B.} and S. Jia and Y. Jin and D. Joffe and Joo, {K. K.} and T. Julius and Kang, {K. H.} and G. Karyan and T. Kawasaki 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 K. Kinoshita and P. Kody{\v s} and S. Korpar and D. Kotchetkov and P. Kri{\v Z}an and P. Krokovny and R. Kulasiri and T. Kumita and A. Kuzmin and Kwon, {Y. J.} and Lange, {J. S.} and P. Lewis and Li, {C. H.} and L. Li and {Li Gioi}, L. and J. Libby and D. Liventsev and M. Lubej and T. Luo and M. Masuda and T. Matsuda and D. Matvienko and M. Merola and K. Miyabayashi and H. Miyata and R. Mizuk and Moon, {H. K.} and T. Mori and E. Nakano and M. Nakao and T. Nanut and Nath, {K. J.} and Z. Natkaniec and M. Nayak and M. Niiyama and Nisar, {N. K.} and S. Nishida and S. Ogawa and H. Ono and P. Pakhlov and G. Pakhlova and B. Pal and S. Pardi and Park, {C. S.} and H. Park and S. Paul and Pedlar, {T. K.} and R. Pestotnik and Piilonen, {L. E.} and C. Pulvermacher and M. Ritter and A. Rostomyan and Y. Sakai and S. Sandilya and L. Santelj and T. Sanuki and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and Y. Seino and K. Senyo and Sevior, {M. E.} and V. Shebalin and Shen, {C. P.} and Shibata, {T. A.} and Shiu, {J. G.} and B. Shwartz and F. Simon and A. Sokolov and E. Solovieva and M. Stari{\v c} and Strube, {J. F.} and K. Sumisawa and T. Sumiyoshi and M. Takizawa and K. Tanida and F. Tenchini and K. Trabelsi and M. Uchida and T. Uglov and Y. Unno and S. Uno and Y. Usov and {Van Hulse}, C. and G. Varner and A. Vinokurova and V. Vorobyev and A. Vossen and Wang, {C. H.} and P. Wang and Wang, {X. L.} and M. Watanabe and Y. Watanabe and S. Watanuki and E. Widmann and Williams, {K. M.} and E. Won and Y. Yamashita and H. Ye and Yuan, {C. Z.} and Zhang, {Z. P.} and V. Zhilich and V. Zhukova and V. Zhulanov and A. Zupanc",

note = "Funding Information: We thank the KEKB group for the excellent operation of the accelerator; the KEK cryogenics group for the efficient operation of the solenoid; and the KEK computer group, the National Institute of Informatics, and the PNNL/EMSL computing group for valuable computing and SINET5 network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the Promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council; Austrian Science Fund under Grant No. P 26794-N20; the National Natural Science Foundation of China under Contracts No. 10575109, No. 10775142, No. 10875115, No. 11175187, No. 11475187, No. 11521505 and No. 11575017; the Chinese Academy of Science Center for Excellence in Particle Physics; the Ministry of Education, Youth and Sports of the Czech Republic under Contract No. LTT17020; the Carl Zeiss Foundation, the Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe, and the VolkswagenStiftung; the Department of Science and Technology of India; the Istituto Nazionale di Fisica Nucleare of Italy; the WCU program of the Ministry of Education, National Research Foundation (NRF) of Korea Grants No. 2011-0029457, No. 2012-0008143, No. 2014R1A2A2A01005286, No. 2014R1A2A2A01002734, No. 2015R1A2A2A01003280, No. 2015H1A2A1033649, No. 2016R1D1A1B01010135, No. 2016K1A3A7A09005603, No. 2016K1A3A7A09005604, No. 2016R1D1A1B02012900, No. 2016K1A3A7A09005606, No. NRF-2013K1A3A7A06056592; the Brain Korea 21-Plus program, Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project and the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Education and Science of the Russian Federation and the Russian Foundation for Basic Research; the Slovenian Research Agency; Ikerbasque, Basque Foundation for Science and MINECO (Juan de la Cierva), Spain; the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the U.S. Department of Energy and the National Science Foundation. Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = sep,

day = "1",

doi = "10.1103/PhysRevD.96.052005",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "5",

}

Guido, E, Mussa, R, Tamponi, U, Adachi, I, Aihara, H, Al Said, S, Asner, DM, Aulchenko, V, Aushev, T, Ayad, R, Badhrees, I, Bakich, AM, Bansal, V, Behera, P, Bhardwaj, V, Bhuyan, B, Biswal, J, Bobrov, A, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Červenkov, D, Chekelian, V, Chen, A, Cheon, BG, Chilikin, K, Cho, K, Choi, SK, Choi, Y, Cinabro, D, Dash, N, Di Carlo, S, DoleŽal, Z, Drásal, Z, Eidelman, S, Epifanov, D, Farhat, H, Fast, JE, Ferber, T, Fulsom, BG, Gaur, V, Gabyshev, N, Garmash, A, Gelb, M, Gillard, R, Goldenzweig, P, Haba, J, Hara, T, Hayasaka, K, Hayashii, H, Hedges, MT, Hou, WS, Iijima, T, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, Y, Jacobs, WW, Jaegle, I, Jeon, HB, Jia, S, Jin, Y, Joffe, D, Joo, KK, Julius, T, Kang, KH, Karyan, G, Kawasaki, T, Kim, DY, Kim, JB, Kim, KT, Kim, MJ, Kim, SH, Kim, YJ, Kinoshita, K, Kodyš, P, Korpar, S, Kotchetkov, D, KriŽan, P, Krokovny, P, Kulasiri, R, Kumita, T, Kuzmin, A, Kwon, YJ, Lange, JS, Lewis, P, Li, CH, Li, L, Li Gioi, L, Libby, J, Liventsev, D, Lubej, M, Luo, T, Masuda, M, Matsuda, T, Matvienko, D, Merola, M, Miyabayashi, K, Miyata, H, Mizuk, R, Moon, HK, Mori, T, Nakano, E, Nakao, M, Nanut, T, Nath, KJ, Natkaniec, Z, Nayak, M, Niiyama, M, Nisar, NK, Nishida, S, Ogawa, S, Ono, H, Pakhlov, P, Pakhlova, G, Pal, B, Pardi, S, Park, CS, Park, H, Paul, S, Pedlar, TK, Pestotnik, R, Piilonen, LE, Pulvermacher, C, Ritter, M, Rostomyan, A, Sakai, Y, Sandilya, S, Santelj, L, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Seino, Y, Senyo, K, Sevior, ME, Shebalin, V, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Simon, F, Sokolov, A, Solovieva, E, Starič, M, Strube, JF, Sumisawa, K, Sumiyoshi, T, Takizawa, M, Tanida, K, Tenchini, F, Trabelsi, K, Uchida, M, Uglov, T, Unno, Y, Uno, S, Usov, Y, Van Hulse, C, Varner, G, Vinokurova, A, Vorobyev, V, Vossen, A, Wang, CH, Wang, P, Wang, XL, Watanabe, M, Watanabe, Y, Watanuki, S, Widmann, E, Williams, KM, Won, E, Yamashita, Y, Ye, H, Yuan, CZ, Zhang, ZP, Zhilich, V, Zhukova, V, Zhulanov, V & Zupanc, A 2017, 'Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia', Physical Review D, vol. 96, no. 5, 052005. https://doi.org/10.1103/PhysRevD.96.052005

TY - JOUR

T1 - Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia

AU - Guido, E.

AU - Mussa, R.

AU - Tamponi, U.

AU - Adachi, I.

AU - Aihara, H.

AU - Al Said, S.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Badhrees, I.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Behera, P.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Biswal, J.

AU - Bobrov, A.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Cho, K.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dash, N.

AU - Di Carlo, S.

AU - DoleŽal, Z.

AU - Drásal, Z.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Fulsom, B. G.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Gelb, M.

AU - Gillard, R.

AU - Goldenzweig, P.

AU - Haba, J.

AU - Hara, T.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hedges, M. T.

AU - Hou, W. S.

AU - Iijima, T.

AU - Inami, K.

AU - Inguglia, G.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, Y.

AU - Jacobs, W. W.

AU - Jaegle, I.

AU - Jeon, H. B.

AU - Jia, S.

AU - Jin, Y.

AU - Joffe, D.

AU - Joo, K. K.

AU - Julius, T.

AU - Kang, K. H.

AU - Karyan, G.

AU - Kawasaki, T.

AU - Kim, D. Y.

AU - Kim, J. B.

AU - Kim, K. T.

AU - Kim, M. J.

AU - Kim, S. H.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Kodyš, P.

AU - Korpar, S.

AU - Kotchetkov, D.

AU - KriŽan, P.

AU - Krokovny, P.

AU - Kulasiri, R.

AU - Kumita, T.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Lewis, P.

AU - Li, C. H.

AU - Li, L.

AU - Li Gioi, L.

AU - Libby, J.

AU - Liventsev, D.

AU - Lubej, M.

AU - Luo, T.

AU - Masuda, M.

AU - Matsuda, T.

AU - Matvienko, D.

AU - Merola, M.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Mizuk, R.

AU - Moon, H. K.

AU - Mori, T.

AU - Nakano, E.

AU - Nakao, M.

AU - Nanut, T.

AU - Nath, K. J.

AU - Natkaniec, Z.

AU - Nayak, M.

AU - Niiyama, M.

AU - Nisar, N. K.

AU - Nishida, S.

AU - Ogawa, S.

AU - Ono, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Pal, B.

AU - Pardi, S.

AU - Park, C. S.

AU - Park, H.

AU - Paul, S.

AU - Pedlar, T. K.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Pulvermacher, C.

AU - Ritter, M.

AU - Rostomyan, A.

AU - Sakai, Y.

AU - Sandilya, S.

AU - Santelj, L.

AU - Sanuki, T.

AU - Savinov, V.

AU - Schneider, O.

AU - Schnell, G.

AU - Schwanda, C.

AU - Seino, Y.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shebalin, V.

AU - Shen, C. P.

AU - Shibata, T. A.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Simon, F.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Starič, M.

AU - Strube, J. F.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Takizawa, M.

AU - Tanida, K.

AU - Tenchini, F.

AU - Trabelsi, K.

AU - Uchida, M.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Usov, Y.

AU - Van Hulse, C.

AU - Varner, G.

AU - Vinokurova, A.

AU - Vorobyev, V.

AU - Vossen, A.

AU - Wang, C. H.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanabe, M.

AU - Watanabe, Y.

AU - Watanuki, S.

AU - Widmann, E.

AU - Williams, K. M.

AU - Won, E.

AU - Yamashita, Y.

AU - Ye, H.

AU - Yuan, C. Z.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhukova, V.

AU - Zhulanov, V.

AU - Zupanc, A.

N1 - Funding Information: We thank the KEKB group for the excellent operation of the accelerator; the KEK cryogenics group for the efficient operation of the solenoid; and the KEK computer group, the National Institute of Informatics, and the PNNL/EMSL computing group for valuable computing and SINET5 network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the Promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council; Austrian Science Fund under Grant No. P 26794-N20; the National Natural Science Foundation of China under Contracts No. 10575109, No. 10775142, No. 10875115, No. 11175187, No. 11475187, No. 11521505 and No. 11575017; the Chinese Academy of Science Center for Excellence in Particle Physics; the Ministry of Education, Youth and Sports of the Czech Republic under Contract No. LTT17020; the Carl Zeiss Foundation, the Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe, and the VolkswagenStiftung; the Department of Science and Technology of India; the Istituto Nazionale di Fisica Nucleare of Italy; the WCU program of the Ministry of Education, National Research Foundation (NRF) of Korea Grants No. 2011-0029457, No. 2012-0008143, No. 2014R1A2A2A01005286, No. 2014R1A2A2A01002734, No. 2015R1A2A2A01003280, No. 2015H1A2A1033649, No. 2016R1D1A1B01010135, No. 2016K1A3A7A09005603, No. 2016K1A3A7A09005604, No. 2016R1D1A1B02012900, No. 2016K1A3A7A09005606, No. NRF-2013K1A3A7A06056592; the Brain Korea 21-Plus program, Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project and the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Education and Science of the Russian Federation and the Russian Foundation for Basic Research; the Slovenian Research Agency; Ikerbasque, Basque Foundation for Science and MINECO (Juan de la Cierva), Spain; the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the U.S. Department of Energy and the National Science Foundation. Publisher Copyright: © 2017 American Physical Society.

PY - 2017/9/1

Y1 - 2017/9/1

N2 - We study hadronic transitions between bottomonium states using 496 fb-1 data collected at the ?(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider. We measure B(?(4S)→π+π(1S))=(8.2±0.5(stat)±0.4(syst))×10-5, B(?(4S)→π+π(2S))=(7.9±1.0(stat)±0.4(syst))×10-5, and B(?(4S)→η?(1S))=(1.70±0.23(stat)±0.08(syst))×10-4. We measure the ratio of branching fractions R=B(?(4S)→η?(1S))/B(?(4S)→π+π(1S))=2.07±0.30(stat)±0.11(syst). We search for the decay ?(1D31,2)→η?(1S), but do not find significant evidence for such a transition. We also measure the initial-state radiation production cross sections of the ?(2S,3S) resonances and we find values compatible with the expected ones. Finally, the analysis of the ?(4S)→π+π(1S) events shows indications for a resonant contribution due to the f0(980) meson.

AB - We study hadronic transitions between bottomonium states using 496 fb-1 data collected at the ?(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider. We measure B(?(4S)→π+π(1S))=(8.2±0.5(stat)±0.4(syst))×10-5, B(?(4S)→π+π(2S))=(7.9±1.0(stat)±0.4(syst))×10-5, and B(?(4S)→η?(1S))=(1.70±0.23(stat)±0.08(syst))×10-4. We measure the ratio of branching fractions R=B(?(4S)→η?(1S))/B(?(4S)→π+π(1S))=2.07±0.30(stat)±0.11(syst). We search for the decay ?(1D31,2)→η?(1S), but do not find significant evidence for such a transition. We also measure the initial-state radiation production cross sections of the ?(2S,3S) resonances and we find values compatible with the expected ones. Finally, the analysis of the ?(4S)→π+π(1S) events shows indications for a resonant contribution due to the f0(980) meson.

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U2 - 10.1103/PhysRevD.96.052005

DO - 10.1103/PhysRevD.96.052005

M3 - Article

AN - SCOPUS:85031091142

SN - 2470-0010

VL - 96

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052005

ER -

Study of η and dipion transitions in ϒ(4S) decays to lower bottomonia

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