Search for invisible decay of the Υ(1S)

O. Tajima, H. Hayashii, M. Hazumi, K. Inami, Y. Iwasaki, S. Uehara, K. Abe, I. Adachi, H. Aihara, D. Anipko, V. Aulchenko, A. M. Bakich, E. Barberio, I. Bedny, K. Belous, U. Bitenc, I. Bizjak, A. Bondar, A. Bozek, M. Bračko & 146 others T. E. Browder, M. C. Chang, A. Chen, K. F. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, S. Cole, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, S. Fratina, N. Gabyshev, T. Gershon, A. Go, G. Gokhroo, H. Ha, J. Haba, K. Hayasaka, D. Heffernan, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, K. Ikado, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, J. H. Kang, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, H. J. Kim, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, J. S. Lange, J. Lee, M. J. Lee, T. Lesiak, A. Limosani, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, S. McOnie, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, T. Mori, J. Mueller, I. Nakamura, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Park, R. Pestotnik, L. E. Piilonen, H. Sahoo, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, J. Schümann, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, J. B. Singh, A. Sokolov, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Suzuki, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, I. Tikhomirov, K. Trabelsi, T. Tsuboyama, T. Tsukamoto, T. Uglov, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, G. Varner, S. Villa, C. C. Wang, C. H. Wang, M. Z. Wang, Y. Watanabe, R. Wedd, J. Wicht, Eunil Won, Q. L. Xie, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Z. P. Zhang, V. Zhilich, A. Zupanc

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9fb-1 at the Υ(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signal is found, and an upper limit for the branching fraction at the 90% confidence level is determined to be B(Υ(1S)→invisible)<2.5×10-3.

Original languageEnglish
Article number132001
JournalPhysical Review Letters
Volume98
Issue number13
DOIs
Publication statusPublished - 2007 Mar 27

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confidence
detectors
decay
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Tajima, O., Hayashii, H., Hazumi, M., Inami, K., Iwasaki, Y., Uehara, S., ... Zupanc, A. (2007). Search for invisible decay of the Υ(1S). Physical Review Letters, 98(13), [132001]. https://doi.org/10.1103/PhysRevLett.98.132001

Search for invisible decay of the Υ(1S). / Tajima, O.; Hayashii, H.; Hazumi, M.; Inami, K.; Iwasaki, Y.; Uehara, S.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Bakich, A. M.; Barberio, E.; Bedny, I.; Belous, K.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bozek, A.; Bračko, M.; Browder, T. E.; Chang, M. C.; Chen, A.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Choi, Y. K.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Drutskoy, A.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Gershon, T.; Go, A.; Gokhroo, G.; Ha, H.; Haba, J.; Hayasaka, K.; Heffernan, D.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W. S.; Iijima, T.; Ikado, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Kang, J. H.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kichimi, H.; Kim, H. J.; Kim, S. K.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Križan, P.; Krokovny, P.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Lee, J.; Lee, M. J.; Lesiak, T.; Limosani, A.; Lin, S. W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; McOnie, S.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Mori, T.; Mueller, J.; Nakamura, I.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Noguchi, S.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, H.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schümann, J.; Schwartz, A. J.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Somov, A.; Soni, N.; Stanič, S.; Starič, M.; Stoeck, H.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Trabelsi, K.; Tsuboyama, T.; Tsukamoto, T.; Uglov, T.; Uno, S.; Urquijo, P.; Ushiroda, Y.; Usov, Y.; Varner, G.; Villa, S.; Wang, C. C.; Wang, C. H.; Wang, M. Z.; Watanabe, Y.; Wedd, R.; Wicht, J.; Won, Eunil; Xie, Q. L.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.

In: Physical Review Letters, Vol. 98, No. 13, 132001, 27.03.2007.

Research output: Contribution to journalArticle

Tajima, O, Hayashii, H, Hazumi, M, Inami, K, Iwasaki, Y, Uehara, S, Abe, K, Adachi, I, Aihara, H, Anipko, D, Aulchenko, V, Bakich, AM, Barberio, E, Bedny, I, Belous, K, Bitenc, U, Bizjak, I, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Chang, MC, Chen, A, Chen, KF, Chen, WT, Cheon, BG, Chistov, R, Choi, Y, Choi, YK, Cole, S, Dalseno, J, Danilov, M, Dash, M, Drutskoy, A, Eidelman, S, Fratina, S, Gabyshev, N, Gershon, T, Go, A, Gokhroo, G, Ha, H, Haba, J, Hayasaka, K, Heffernan, D, Hokuue, T, Hoshi, Y, Hou, S, Hou, WS, Iijima, T, Ikado, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, M, Kang, JH, Kataoka, SU, Katayama, N, Kawai, H, Kawasaki, T, Khan, HR, Kichimi, H, Kim, HJ, Kim, SK, Kim, YJ, Kinoshita, K, Korpar, S, Križan, P, Krokovny, P, Kumar, R, Kuo, CC, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, J, Lee, MJ, Lesiak, T, Limosani, A, Lin, SW, Liventsev, D, Majumder, G, Mandl, F, Matsumoto, T, McOnie, S, Miyabayashi, K, Miyake, H, Miyata, H, Miyazaki, Y, Mizuk, R, Mori, T, Mueller, J, Nakamura, I, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Noguchi, S, Nozaki, T, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Onuki, Y, Ozaki, H, Pakhlov, P, Pakhlova, G, Park, H, Pestotnik, R, Piilonen, LE, Sahoo, H, Sakai, Y, Satoyama, N, Schietinger, T, Schneider, O, Schümann, J, Schwartz, AJ, Seidl, R, Senyo, K, Sevior, ME, Shapkin, M, Shibuya, H, Shwartz, B, Singh, JB, Sokolov, A, Somov, A, Soni, N, Stanič, S, Starič, M, Stoeck, H, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Takasaki, F, Tamai, K, Tamura, N, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Tikhomirov, I, Trabelsi, K, Tsuboyama, T, Tsukamoto, T, Uglov, T, Uno, S, Urquijo, P, Ushiroda, Y, Usov, Y, Varner, G, Villa, S, Wang, CC, Wang, CH, Wang, MZ, Watanabe, Y, Wedd, R, Wicht, J, Won, E, Xie, QL, Yabsley, BD, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Zhang, ZP, Zhilich, V & Zupanc, A 2007, 'Search for invisible decay of the Υ(1S)', Physical Review Letters, vol. 98, no. 13, 132001. https://doi.org/10.1103/PhysRevLett.98.132001
Tajima O, Hayashii H, Hazumi M, Inami K, Iwasaki Y, Uehara S et al. Search for invisible decay of the Υ(1S). Physical Review Letters. 2007 Mar 27;98(13). 132001. https://doi.org/10.1103/PhysRevLett.98.132001
Tajima, O. ; Hayashii, H. ; Hazumi, M. ; Inami, K. ; Iwasaki, Y. ; Uehara, S. ; Abe, K. ; Adachi, I. ; Aihara, H. ; Anipko, D. ; Aulchenko, V. ; Bakich, A. M. ; Barberio, E. ; Bedny, I. ; Belous, K. ; Bitenc, U. ; Bizjak, I. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Browder, T. E. ; Chang, M. C. ; Chen, A. ; Chen, K. F. ; Chen, W. T. ; Cheon, B. G. ; Chistov, R. ; Choi, Y. ; Choi, Y. K. ; Cole, S. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Drutskoy, A. ; Eidelman, S. ; Fratina, S. ; Gabyshev, N. ; Gershon, T. ; Go, A. ; Gokhroo, G. ; Ha, H. ; Haba, J. ; Hayasaka, K. ; Heffernan, D. ; Hokuue, T. ; Hoshi, Y. ; Hou, S. ; Hou, W. S. ; Iijima, T. ; Ikado, K. ; Ishikawa, A. ; Ishino, H. ; Itoh, R. ; Iwasaki, M. ; Kang, J. H. ; Kataoka, S. U. ; Katayama, N. ; Kawai, H. ; Kawasaki, T. ; Khan, H. R. ; Kichimi, H. ; Kim, H. J. ; Kim, S. K. ; Kim, Y. J. ; Kinoshita, K. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kumar, R. ; Kuo, C. C. ; Kuzmin, A. ; Kwon, Y. J. ; Lange, J. S. ; Lee, J. ; Lee, M. J. ; Lesiak, T. ; Limosani, A. ; Lin, S. W. ; Liventsev, D. ; Majumder, G. ; Mandl, F. ; Matsumoto, T. ; McOnie, S. ; Miyabayashi, K. ; Miyake, H. ; Miyata, H. ; Miyazaki, Y. ; Mizuk, R. ; Mori, T. ; Mueller, J. ; Nakamura, I. ; Nakano, E. ; Nakao, M. ; Nakazawa, H. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Noguchi, S. ; Nozaki, T. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Olsen, S. L. ; Onuki, Y. ; Ozaki, H. ; Pakhlov, P. ; Pakhlova, G. ; Park, H. ; Pestotnik, R. ; Piilonen, L. E. ; Sahoo, H. ; Sakai, Y. ; Satoyama, N. ; Schietinger, T. ; Schneider, O. ; Schümann, J. ; Schwartz, A. J. ; Seidl, R. ; Senyo, K. ; Sevior, M. E. ; Shapkin, M. ; Shibuya, H. ; Shwartz, B. ; Singh, J. B. ; Sokolov, A. ; Somov, A. ; Soni, N. ; Stanič, S. ; Starič, M. ; Stoeck, H. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. ; Takasaki, F. ; Tamai, K. ; Tamura, N. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tian, X. C. ; Tikhomirov, I. ; Trabelsi, K. ; Tsuboyama, T. ; Tsukamoto, T. ; Uglov, T. ; Uno, S. ; Urquijo, P. ; Ushiroda, Y. ; Usov, Y. ; Varner, G. ; Villa, S. ; Wang, C. C. ; Wang, C. H. ; Wang, M. Z. ; Watanabe, Y. ; Wedd, R. ; Wicht, J. ; Won, Eunil ; Xie, Q. L. ; Yabsley, B. D. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Zhang, Z. P. ; Zhilich, V. ; Zupanc, A. / Search for invisible decay of the Υ(1S). In: Physical Review Letters. 2007 ; Vol. 98, No. 13.
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title = "Search for invisible decay of the Υ(1S)",
abstract = "We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9fb-1 at the Υ(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signal is found, and an upper limit for the branching fraction at the 90{\%} confidence level is determined to be B(Υ(1S)→invisible)<2.5×10-3.",
author = "O. Tajima and H. Hayashii and M. Hazumi and K. Inami and Y. Iwasaki and S. Uehara and K. Abe and I. Adachi and H. Aihara and D. Anipko and V. Aulchenko and Bakich, {A. M.} and E. Barberio and I. Bedny and K. Belous and U. Bitenc and I. Bizjak and A. Bondar and A. Bozek and M. Bračko and Browder, {T. E.} and Chang, {M. C.} and A. Chen and Chen, {K. F.} and Chen, {W. T.} and Cheon, {B. G.} and R. Chistov and Y. Choi and Choi, {Y. K.} and S. Cole and J. Dalseno and M. Danilov and M. Dash and A. Drutskoy and S. Eidelman and S. Fratina and N. Gabyshev and T. Gershon and A. Go and G. Gokhroo and H. Ha and J. Haba and K. Hayasaka and D. Heffernan and T. Hokuue and Y. Hoshi and S. Hou and Hou, {W. S.} and T. Iijima and K. Ikado and A. Ishikawa and H. Ishino and R. Itoh and M. Iwasaki and Kang, {J. H.} and Kataoka, {S. U.} and N. Katayama and H. Kawai and T. Kawasaki and Khan, {H. R.} and H. Kichimi and Kim, {H. J.} and Kim, {S. K.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Križan and P. Krokovny and R. Kumar and Kuo, {C. C.} and A. Kuzmin and Kwon, {Y. J.} and Lange, {J. S.} and J. Lee and Lee, {M. J.} and T. Lesiak and A. Limosani and Lin, {S. W.} and D. Liventsev and G. Majumder and F. Mandl and T. Matsumoto and S. McOnie and K. Miyabayashi and H. Miyake and H. Miyata and Y. Miyazaki and R. Mizuk and T. Mori and J. Mueller and I. Nakamura and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and O. Nitoh and S. Noguchi and T. Nozaki and S. Ogawa and T. Ohshima and S. Okuno and Olsen, {S. L.} and Y. Onuki and H. Ozaki and P. Pakhlov and G. Pakhlova and H. Park and R. Pestotnik and Piilonen, {L. E.} and H. Sahoo and Y. Sakai and N. Satoyama and T. Schietinger and O. Schneider and J. Sch{\"u}mann and Schwartz, {A. J.} and R. Seidl and K. Senyo and Sevior, {M. E.} and M. Shapkin and H. Shibuya and B. Shwartz and Singh, {J. B.} and A. Sokolov and A. Somov and N. Soni and S. Stanič and M. Starič and H. Stoeck and K. Sumisawa and T. Sumiyoshi and S. Suzuki and F. Takasaki and K. Tamai and N. Tamura and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and Tian, {X. C.} and I. Tikhomirov and K. Trabelsi and T. Tsuboyama and T. Tsukamoto and T. Uglov and S. Uno and P. Urquijo and Y. Ushiroda and Y. Usov and G. Varner and S. Villa and Wang, {C. C.} and Wang, {C. H.} and Wang, {M. Z.} and Y. Watanabe and R. Wedd and J. Wicht and Eunil Won and Xie, {Q. L.} and Yabsley, {B. D.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and Zhang, {Z. P.} and V. Zhilich and A. Zupanc",
year = "2007",
month = "3",
day = "27",
doi = "10.1103/PhysRevLett.98.132001",
language = "English",
volume = "98",
journal = "Physical Review Letters",
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TY - JOUR

T1 - Search for invisible decay of the Υ(1S)

AU - Tajima, O.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Inami, K.

AU - Iwasaki, Y.

AU - Uehara, S.

AU - Abe, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Anipko, D.

AU - Aulchenko, V.

AU - Bakich, A. M.

AU - Barberio, E.

AU - Bedny, I.

AU - Belous, K.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chen, A.

AU - Chen, K. F.

AU - Chen, W. T.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, Y.

AU - Choi, Y. K.

AU - Cole, S.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Gershon, T.

AU - Go, A.

AU - Gokhroo, G.

AU - Ha, H.

AU - Haba, J.

AU - Hayasaka, K.

AU - Heffernan, D.

AU - Hokuue, T.

AU - Hoshi, Y.

AU - Hou, S.

AU - Hou, W. S.

AU - Iijima, T.

AU - Ikado, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Kang, J. H.

AU - Kataoka, S. U.

AU - Katayama, N.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Khan, H. R.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, S. K.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kumar, R.

AU - Kuo, C. C.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Lee, J.

AU - Lee, M. J.

AU - Lesiak, T.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liventsev, D.

AU - Majumder, G.

AU - Mandl, F.

AU - Matsumoto, T.

AU - McOnie, S.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Mori, T.

AU - Mueller, J.

AU - Nakamura, I.

AU - Nakano, E.

AU - Nakao, M.

AU - Nakazawa, H.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Noguchi, S.

AU - Nozaki, T.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Onuki, Y.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, H.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Satoyama, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schümann, J.

AU - Schwartz, A. J.

AU - Seidl, R.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Sokolov, A.

AU - Somov, A.

AU - Soni, N.

AU - Stanič, S.

AU - Starič, M.

AU - Stoeck, H.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tamura, N.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Tikhomirov, I.

AU - Trabelsi, K.

AU - Tsuboyama, T.

AU - Tsukamoto, T.

AU - Uglov, T.

AU - Uno, S.

AU - Urquijo, P.

AU - Ushiroda, Y.

AU - Usov, Y.

AU - Varner, G.

AU - Villa, S.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Wang, M. Z.

AU - Watanabe, Y.

AU - Wedd, R.

AU - Wicht, J.

AU - Won, Eunil

AU - Xie, Q. L.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zupanc, A.

PY - 2007/3/27

Y1 - 2007/3/27

N2 - We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9fb-1 at the Υ(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signal is found, and an upper limit for the branching fraction at the 90% confidence level is determined to be B(Υ(1S)→invisible)<2.5×10-3.

AB - We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9fb-1 at the Υ(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signal is found, and an upper limit for the branching fraction at the 90% confidence level is determined to be B(Υ(1S)→invisible)<2.5×10-3.

UR - http://www.scopus.com/inward/record.url?scp=33947709013&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33947709013&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.98.132001

DO - 10.1103/PhysRevLett.98.132001

M3 - Article

VL - 98

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 13

M1 - 132001

ER -