Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes

Y. Miyazaki; K. Hayasaka; I. Adachi; H. Aihara; D. M. Asner; V. Aulchenko; T. Aushev; A. M. Bakich; A. Bay; V. Bhardwaj; B. Bhuyan; M. Bischofberger; A. Bozek; M. Bračko; T. E. Browder; M. C. Chang; A. Chen; P. Chen; B. G. Cheon; R. Chistov; K. Cho; Y. Choi; J. Dalseno; Z. Doležal; A. Drutskoy; S. Eidelman; D. Epifanov; J. E. Fast; V. Gaur; N. Gabyshev; A. Garmash; Y. M. Goh; J. Haba; H. Hayashii; Y. Horii; Y. Hoshi; W. S. Hou; H. J. Hyun; T. Iijima; K. Inami; A. Ishikawa; R. Itoh; M. Iwabuchi; Y. Iwasaki; T. Julius; J. H. Kang; C. Kiesling; H. J. Kim; H. O. Kim; K. T. Kim; M. J. Kim; Y. J. Kim; B. R. Ko; S. Koblitz; P. Kodyš; S. Korpar; P. Križan; P. Krokovny; A. Kuzmin; Y. J. Kwon; S. H. Lee; Y. Li; C. L. Lim; C. Liu; Z. Q. Liu; D. Liventsev; R. Louvot; D. Matvienko; S. McOnie; K. Miyabayashi; H. Miyata; R. Mizuk; G. B. Mohanty; A. Moll; N. Muramatsu; E. Nakano; M. Nakao; S. Nishida; K. Nishimura; O. Nitoh; S. Ogawa; T. Ohshima; S. Okuno; Y. Onuki; P. Pakhlov; G. Pakhlova; C. W. Park; H. K. Park; M. Petrič; L. E. Piilonen; M. Röhrken; S. Ryu; H. Sahoo; Y. Sakai; T. Sanuki; Y. Sato; O. Schneider; C. Schwanda; K. Senyo; O. Seon; M. Shapkin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; J. B. Singh; P. Smerkol; Y. S. Sohn; A. Sokolov; E. Solovieva; S. Stanič; M. Starič; T. Sumiyoshi; G. Tatishvili; Y. Teramoto; K. Trabelsi; T. Tsuboyama; M. Uchida; S. Uehara; Y. Unno; S. Uno; P. Urquijo; G. Varner; C. H. Wang; P. Wang; E. Won; Y. Yamashita; Y. Yusa; Z. P. Zhang; V. Zhulanov

doi:10.1016/j.physletb.2013.01.032

Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes

Y. Miyazaki, K. Hayasaka, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, A. M. Bakich, A. Bay, V. Bhardwaj, B. Bhuyan, M. Bischofberger, A. Bozek, M. Bračko, T. E. Browder, M. C. Chang, A. Chen, P. Chen, B. G. Cheon, R. ChistovK. Cho, Y. Choi, J. Dalseno, Z. Doležal, A. Drutskoy, S. Eidelman, D. Epifanov, J. E. Fast, V. Gaur, N. Gabyshev, A. Garmash, Y. M. Goh, J. Haba, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Julius, J. H. Kang, C. Kiesling, H. J. Kim, H. O. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, B. R. Ko, S. Koblitz, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Lee, Y. Li, C. L. Lim, C. Liu, Z. Q. Liu, D. Liventsev, R. Louvot, D. Matvienko, S. McOnie, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, N. Muramatsu, E. Nakano, M. Nakao, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, M. Petrič, L. E. Piilonen, M. Röhrken, S. Ryu, H. Sahoo, Y. Sakai, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, K. Senyo, O. Seon, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, J. B. Singh, P. Smerkol, Y. S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, Y. Unno, S. Uno, P. Urquijo, G. Varner, C. H. Wang, P. Wang, E. Won, Y. Yamashita, Y. Yusa, Z. P. Zhang, V. Zhulanov

Department of Physics

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Abstract

We search for lepton-flavor and lepton-number-violating. Τ decays into a lepton (ℓ= electron or muon) and two charged mesons (h,h'=π± or K±) using 854 fb^-1 of data collected with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider. We obtain 90% confidence level upper limits on the. Τ→ℓhh' branching fractions in the range. (2.0-8.4)×10^-8. These results improve upon our previously published upper limits by factors of about 1.8 on average.

Original language	English
Pages (from-to)	346-353
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	719
Issue number	4-5
DOIs	https://doi.org/10.1016/j.physletb.2013.01.032
Publication status	Published - 2013 Feb 26

Bibliographical 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 SINET4 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 and the Australian Department of Industry, Innovation, Science and Research ; the National Natural Science Foundation of China under contract Nos. 10575109 , 10775142 , 10875115 and 10825524 ; the Ministry of Education, Youth and Sports of the Czech Republic under contract Nos. LA10033 and MSM0021620859 ; the Department of Science and Technology of India ; the Istituto Nazionale di Fisica Nucleare of Italy ; the BK21 and WCU program of the Ministry Education Science and Technology, National Research Foundation of Korea , and GSDC of the Korea Institute of Science and Technology Information ; the Polish Ministry of Science and Higher Education ; the Ministry of Education and Science of the Russian Federation and the Russian Federal Agency for Atomic Energy and a Grant of the Russian Foundation for Basic Research 12-02-01032 ; the Slovenian Research Agency ; the Swiss National Science Foundation ; the National Science Council and the Ministry of Education of Taiwan ; and the U.S. Department of Energy and the National Science Foundation . This work is supported by a Grant-in-Aid from MEXT for Science Research in a Priority Area (“New Development of Flavor Physics”), and from JSPS for Creative Scientific Research (“Evolution of Tau-lepton Physics”).

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.physletb.2013.01.032

Cite this

Miyazaki, Y., Hayasaka, K., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Bakich, A. M., Bay, A., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bozek, A., Bračko, M., Browder, T. E., Chang, M. C., Chen, A., Chen, P., Cheon, B. G., ... Zhulanov, V. (2013). Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 719(4-5), 346-353. https://doi.org/10.1016/j.physletb.2013.01.032

@article{e6ed946a23fd47bb88bcc3815cd9aef4,

title = "Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes",

abstract = "We search for lepton-flavor and lepton-number-violating. Τ decays into a lepton (ℓ= electron or muon) and two charged mesons (h,h'=π± or K±) using 854 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain 90% confidence level upper limits on the. Τ→ℓhh' branching fractions in the range. (2.0-8.4)×10-8. These results improve upon our previously published upper limits by factors of about 1.8 on average.",

author = "Y. Miyazaki and K. Hayasaka and I. Adachi and H. Aihara and Asner, {D. M.} and V. Aulchenko and T. Aushev and Bakich, {A. M.} and A. Bay and V. Bhardwaj and B. Bhuyan and M. Bischofberger and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and Chang, {M. C.} and A. Chen and P. Chen and Cheon, {B. G.} and R. Chistov and K. Cho and Y. Choi and J. Dalseno and Z. Dole{\v z}al and A. Drutskoy and S. Eidelman and D. Epifanov and Fast, {J. E.} and V. Gaur and N. Gabyshev and A. Garmash and Goh, {Y. M.} and J. Haba and H. Hayashii and Y. Horii and Y. Hoshi and Hou, {W. S.} and Hyun, {H. J.} and T. Iijima and K. Inami and A. Ishikawa and R. Itoh and M. Iwabuchi and Y. Iwasaki and T. Julius and Kang, {J. H.} and C. Kiesling and Kim, {H. J.} and Kim, {H. O.} and Kim, {K. T.} and Kim, {M. J.} and Kim, {Y. J.} and Ko, {B. R.} and S. Koblitz and P. Kody{\v s} and S. Korpar and P. Kri{\v z}an and P. Krokovny and A. Kuzmin and Kwon, {Y. J.} and Lee, {S. H.} and Y. Li and Lim, {C. L.} and C. Liu and Liu, {Z. Q.} and D. Liventsev and R. Louvot and D. Matvienko and S. McOnie and K. Miyabayashi and H. Miyata and R. Mizuk and Mohanty, {G. B.} and A. Moll and N. Muramatsu and E. Nakano and M. Nakao and S. Nishida and K. Nishimura and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and Y. Onuki and P. Pakhlov and G. Pakhlova and Park, {C. W.} and Park, {H. K.} and M. Petri{\v c} and Piilonen, {L. E.} and M. R{\"o}hrken and S. Ryu and H. Sahoo and Y. Sakai and T. Sanuki and Y. Sato and O. Schneider and C. Schwanda and K. Senyo and O. Seon and M. Shapkin and Shen, {C. P.} and Shibata, {T. A.} and Shiu, {J. G.} and B. Shwartz and A. Sibidanov and F. Simon and Singh, {J. B.} and P. Smerkol and Sohn, {Y. S.} and A. Sokolov and E. Solovieva and S. Stani{\v c} and M. Stari{\v c} and T. Sumiyoshi and G. Tatishvili and Y. Teramoto and K. Trabelsi and T. Tsuboyama and M. Uchida and S. Uehara and Y. Unno and S. Uno and P. Urquijo and G. Varner and Wang, {C. H.} and P. Wang and E. Won and Y. Yamashita and Y. Yusa and Zhang, {Z. P.} and V. Zhulanov",

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 SINET4 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 and the Australian Department of Industry, Innovation, Science and Research ; the National Natural Science Foundation of China under contract Nos. 10575109 , 10775142 , 10875115 and 10825524 ; the Ministry of Education, Youth and Sports of the Czech Republic under contract Nos. LA10033 and MSM0021620859 ; the Department of Science and Technology of India ; the Istituto Nazionale di Fisica Nucleare of Italy ; the BK21 and WCU program of the Ministry Education Science and Technology, National Research Foundation of Korea , and GSDC of the Korea Institute of Science and Technology Information ; the Polish Ministry of Science and Higher Education ; the Ministry of Education and Science of the Russian Federation and the Russian Federal Agency for Atomic Energy and a Grant of the Russian Foundation for Basic Research 12-02-01032 ; the Slovenian Research Agency ; the Swiss National Science Foundation ; the National Science Council and the Ministry of Education of Taiwan ; and the U.S. Department of Energy and the National Science Foundation . This work is supported by a Grant-in-Aid from MEXT for Science Research in a Priority Area (“New Development of Flavor Physics”), and from JSPS for Creative Scientific Research (“Evolution of Tau-lepton Physics”).",

year = "2013",

month = feb,

day = "26",

doi = "10.1016/j.physletb.2013.01.032",

language = "English",

volume = "719",

pages = "346--353",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "4-5",

}

Miyazaki, Y, Hayasaka, K, Adachi, I, Aihara, H, Asner, DM, Aulchenko, V, Aushev, T, Bakich, AM, Bay, A, Bhardwaj, V, Bhuyan, B, Bischofberger, M, Bozek, A, Bračko, M, Browder, TE, Chang, MC, Chen, A, Chen, P, Cheon, BG, Chistov, R, Cho, K, Choi, Y, Dalseno, J, Doležal, Z, Drutskoy, A, Eidelman, S, Epifanov, D, Fast, JE, Gaur, V, Gabyshev, N, Garmash, A, Goh, YM, Haba, J, Hayashii, H, Horii, Y, Hoshi, Y, Hou, WS, Hyun, HJ, Iijima, T, Inami, K, Ishikawa, A, Itoh, R, Iwabuchi, M, Iwasaki, Y, Julius, T, Kang, JH, Kiesling, C, Kim, HJ, Kim, HO, Kim, KT, Kim, MJ, Kim, YJ, Ko, BR, Koblitz, S, Kodyš, P, Korpar, S, Križan, P, Krokovny, P, Kuzmin, A, Kwon, YJ, Lee, SH, Li, Y, Lim, CL, Liu, C, Liu, ZQ, Liventsev, D, Louvot, R, Matvienko, D, McOnie, S, Miyabayashi, K, Miyata, H, Mizuk, R, Mohanty, GB, Moll, A, Muramatsu, N, Nakano, E, Nakao, M, Nishida, S, Nishimura, K, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Onuki, Y, Pakhlov, P, Pakhlova, G, Park, CW, Park, HK, Petrič, M, Piilonen, LE, Röhrken, M, Ryu, S, Sahoo, H, Sakai, Y, Sanuki, T, Sato, Y, Schneider, O, Schwanda, C, Senyo, K, Seon, O, Shapkin, M, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Singh, JB, Smerkol, P, Sohn, YS, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Sumiyoshi, T, Tatishvili, G, Teramoto, Y, Trabelsi, K, Tsuboyama, T, Uchida, M, Uehara, S, Unno, Y, Uno, S, Urquijo, P, Varner, G, Wang, CH, Wang, P, Won, E, Yamashita, Y, Yusa, Y, Zhang, ZP & Zhulanov, V 2013, 'Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 719, no. 4-5, pp. 346-353. https://doi.org/10.1016/j.physletb.2013.01.032

TY - JOUR

T1 - Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes

AU - Miyazaki, Y.

AU - Hayasaka, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Bay, A.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Bischofberger, M.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chen, A.

AU - Chen, P.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Cho, K.

AU - Choi, Y.

AU - Dalseno, J.

AU - Doležal, Z.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Fast, J. E.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Goh, Y. M.

AU - Haba, J.

AU - Hayashii, H.

AU - Horii, Y.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hyun, H. J.

AU - Iijima, T.

AU - Inami, K.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwabuchi, M.

AU - Iwasaki, Y.

AU - Julius, T.

AU - Kang, J. H.

AU - Kiesling, C.

AU - Kim, H. J.

AU - Kim, H. O.

AU - Kim, K. T.

AU - Kim, M. J.

AU - Kim, Y. J.

AU - Ko, B. R.

AU - Koblitz, S.

AU - Kodyš, P.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lee, S. H.

AU - Li, Y.

AU - Lim, C. L.

AU - Liu, C.

AU - Liu, Z. Q.

AU - Liventsev, D.

AU - Louvot, R.

AU - Matvienko, D.

AU - McOnie, S.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Mizuk, R.

AU - Mohanty, G. B.

AU - Moll, A.

AU - Muramatsu, N.

AU - Nakano, E.

AU - Nakao, M.

AU - Nishida, S.

AU - Nishimura, K.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Onuki, Y.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Park, H. K.

AU - Petrič, M.

AU - Piilonen, L. E.

AU - Röhrken, M.

AU - Ryu, S.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Sanuki, T.

AU - Sato, Y.

AU - Schneider, O.

AU - Schwanda, C.

AU - Senyo, K.

AU - Seon, O.

AU - Shapkin, M.

AU - Shen, C. P.

AU - Shibata, T. A.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Sibidanov, A.

AU - Simon, F.

AU - Singh, J. B.

AU - Smerkol, P.

AU - Sohn, Y. S.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Stanič, S.

AU - Starič, M.

AU - Sumiyoshi, T.

AU - Tatishvili, G.

AU - Teramoto, Y.

AU - Trabelsi, K.

AU - Tsuboyama, T.

AU - Uchida, M.

AU - Uehara, S.

AU - Unno, Y.

AU - Uno, S.

AU - Urquijo, P.

AU - Varner, G.

AU - Wang, C. H.

AU - Wang, P.

AU - Won, E.

AU - Yamashita, Y.

AU - Yusa, Y.

AU - Zhang, Z. P.

AU - Zhulanov, V.

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 SINET4 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 and the Australian Department of Industry, Innovation, Science and Research ; the National Natural Science Foundation of China under contract Nos. 10575109 , 10775142 , 10875115 and 10825524 ; the Ministry of Education, Youth and Sports of the Czech Republic under contract Nos. LA10033 and MSM0021620859 ; the Department of Science and Technology of India ; the Istituto Nazionale di Fisica Nucleare of Italy ; the BK21 and WCU program of the Ministry Education Science and Technology, National Research Foundation of Korea , and GSDC of the Korea Institute of Science and Technology Information ; the Polish Ministry of Science and Higher Education ; the Ministry of Education and Science of the Russian Federation and the Russian Federal Agency for Atomic Energy and a Grant of the Russian Foundation for Basic Research 12-02-01032 ; the Slovenian Research Agency ; the Swiss National Science Foundation ; the National Science Council and the Ministry of Education of Taiwan ; and the U.S. Department of Energy and the National Science Foundation . This work is supported by a Grant-in-Aid from MEXT for Science Research in a Priority Area (“New Development of Flavor Physics”), and from JSPS for Creative Scientific Research (“Evolution of Tau-lepton Physics”).

PY - 2013/2/26

Y1 - 2013/2/26

N2 - We search for lepton-flavor and lepton-number-violating. Τ decays into a lepton (ℓ= electron or muon) and two charged mesons (h,h'=π± or K±) using 854 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain 90% confidence level upper limits on the. Τ→ℓhh' branching fractions in the range. (2.0-8.4)×10-8. These results improve upon our previously published upper limits by factors of about 1.8 on average.

AB - We search for lepton-flavor and lepton-number-violating. Τ decays into a lepton (ℓ= electron or muon) and two charged mesons (h,h'=π± or K±) using 854 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain 90% confidence level upper limits on the. Τ→ℓhh' branching fractions in the range. (2.0-8.4)×10-8. These results improve upon our previously published upper limits by factors of about 1.8 on average.

UR - http://www.scopus.com/inward/record.url?scp=84937644687&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84937644687&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2013.01.032

DO - 10.1016/j.physletb.2013.01.032

M3 - Article

AN - SCOPUS:84937644687

SN - 0370-2693

VL - 719

SP - 346

EP - 353

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 4-5

ER -

Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes

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Bibliographical note

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