Measurement of the τ -lepton Lifetime at Belle

K. Belous; M. Shapkin; A. Sokolov; I. Adachi; H. Aihara; D. M. Asner; V. Aulchenko; A. M. Bakich; A. Bala; B. Bhuyan; A. Bobrov; A. Bondar; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; D. Červenkov; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; R. Chistov; K. Cho; V. Chobanova; Y. Choi; D. Cinabro; J. Dalseno; Z. Doležal; D. Dutta; S. Eidelman; D. Epifanov; H. Farhat; J. E. Fast; T. Ferber; V. Gaur; S. Ganguly; A. Garmash; R. Gillard; Y. M. Goh; B. Golob; J. Haba; T. Hara; K. Hayasaka; H. Hayashii; Y. Hoshi; W. S. Hou; T. Iijima; K. Inami; A. Ishikawa; R. Itoh; T. Iwashita; I. Jaegle; T. Julius; E. Kato; H. Kichimi; C. Kiesling; D. Y. Kim; H. J. Kim; J. B. Kim; M. J. Kim; Y. J. Kim; K. Kinoshita; B. R. Ko; P. Kodyš; S. Korpar; P. Križan; P. Krokovny; T. Kuhr; A. Kuzmin; Y. J. Kwon; J. S. Lange; S. H. Lee; J. Libby; D. Liventsev; P. Lukin; D. Matvienko; H. Miyata; R. Mizuk; G. B. Mohanty; T. Mori; R. Mussa; Y. Nagasaka; E. Nakano; M. Nakao; M. Nayak; E. Nedelkovska; C. Ng; N. K. Nisar; S. Nishida; O. Nitoh; S. Ogawa; S. Okuno; S. L. Olsen; W. Ostrowicz; G. Pakhlova; C. W. Park; H. Park; H. K. Park; T. K. Pedlar; R. Pestotnik; M. Petrič; L. E. Piilonen; M. Ritter; M. Röhrken; A. Rostomyan; S. Ryu; H. Sahoo; T. Saito; Y. Sakai; S. Sandilya; D. Santel; L. Santelj; T. Sanuki; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; D. Semmler; K. Senyo; O. Seon; V. Shebalin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; Y. S. Sohn; S. Stanič; M. Starič; M. Steder; T. Sumiyoshi; U. Tamponi; G. Tatishvili; Y. Teramoto; K. Trabelsi; T. Tsuboyama; M. Uchida; S. Uehara; T. Uglov; Y. Unno; S. Uno; Y. Usov; S. E. Vahsen; C. Van Hulse; P. Vanhoefer; G. Varner; K. E. Varvell; A. Vinokurova; V. Vorobyev; M. N. Wagner; C. H. Wang; P. Wang; M. Watanabe; Y. Watanabe; K. M. Williams; E. Won; J. Yamaoka; Y. Yamashita; S. Yashchenko; Y. Yook; C. Z. Yuan; Z. P. Zhang; V. Zhilich; A. Zupanc

doi:10.1103/PhysRevLett.112.031801

Measurement of the τ -lepton Lifetime at Belle

K. Belous
, M. Shapkin
, A. Sokolov
, I. Adachi
, H. Aihara
, D. M. Asner
, V. Aulchenko
, A. M. Bakich
, A. Bala
, B. Bhuyan
, A. Bobrov
, A. Bondar
, G. Bonvicini
, A. Bozek
, M. Bračko
, T. E. Browder
, D. Červenkov
, V. Chekelian
, A. Chen
, B. G. Cheon

K. Chilikin, R. Chistov, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, Z. Doležal, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, V. Gaur, S. Ganguly, A. Garmash, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Hoshi, W. S. Hou, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, T. Iwashita, I. Jaegle, T. Julius, E. Kato, H. Kichimi, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kuhr, A. Kuzmin, Y. J. Kwon, J. S. Lange, S. H. Lee, J. Libby, D. Liventsev, P. Lukin, D. Matvienko, H. Miyata, R. Mizuk, G. B. Mohanty, T. Mori, R. Mussa, Y. Nagasaka, E. Nakano, M. Nakao, M. Nayak, E. Nedelkovska, C. Ng, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, S. L. Olsen, W. Ostrowicz, G. Pakhlova, C. W. Park, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, S. Ryu, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, D. Santel, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, D. Semmler, K. Senyo, O. Seon, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, S. Stanič, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, M. N. Wagner, C. H. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, J. Yamaoka, Y. Yamashita, S. Yashchenko, Y. Yook, C. Z. Yuan, Z. P. Zhang, V. Zhilich, A. Zupanc

Institute for High Energy Physics
High Energy Accelerator Research Organization, Tsukuba
The University of Tokyo
Pacific Northwest National Laboratory
Novosibirsk State University
The University of Sydney
Panjab University
Indian Institute of Technology Guwahati
Wayne State University
H. Niewodniczanski Institute of Nuclear Physics
Jožef Stefan Institute
University of Maribor
University of Hawai'i at Mānoa
Charles University
Max Planck Institute for Physics (Werner Heisenberg Institute)
National Central University
Hanyang University
Alikhanov Institute for Theoretical and Experimental Physics
Korea Institute of Science and Technology Information
Sungkyunkwan University
Technische Universität München
German Electron Synchrotron
Tata Institute of Fundamental Research
University of Ljubljana
Nagoya University
Nara Women's University
Tohoku Gakuin University
National Taiwan University
Tohoku University
University of Melbourne
Soongsil University
Korea University
University of Cincinnati
Karlsruhe Institute of Technology
Yonsei University
Justus Liebig University Giessen
Indian Institute of Technology Madras
Niigata University
Moscow Engineering Physics Institute
National Institute for Nuclear Physics
Hiroshima Institute of Technology
Osaka Metropolitan University
Tokyo University of Agriculture and Technology
Toho University
Kanagawa University
Seoul National University
Kyungpook National University
Luther College, Decorah
Virginia Polytechnic Institute and State University
University of Pittsburgh
Swiss Federal Institute of Technology Lausanne
University of the Basque Country
Ikerbasque Basque Foundation for Science
Austrian Academy of Sciences
Yamagata University
Beihang University
Institute of Science Tokyo
University of Nova Gorica
Tokyo Metropolitan University
University of Turin
Moscow Institute of Physics and Technology
National United University Taiwan
CAS - Institute of High Energy Physics
Nippon Dental University
University of Science and Technology of China

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

37 Scopus citations

Abstract

The lifetime of the τ lepton is measured using the process e+e-→τ+τ-, where both τ leptons decay to 3πντ. The result for the mean lifetime, based on 711 fb-1 of data collected with the Belle detector at the Ï (4S) resonance and 60 MeV below, is τ=(290. 17±0.53(stat)±0.33(syst))×10-15 s. The first measurement of the lifetime difference between τ+ and τ- is performed. The upper limit on the relative lifetime difference between positive and negative τ leptons is |Δτ|/τ<7.0×10-3 at 90% C.L.

Original language	English
Article number	031801
Journal	Physical Review Letters
Volume	112
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.112.031801
State	Published - 23 Jan 2014

Keywords

13.66.Jn
14.60.Fg

Access to Document

10.1103/PhysRevLett.112.031801

Cite this

Belous, K., Shapkin, M., Sokolov, A., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Bakich, A. M., Bala, A., Bhuyan, B., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., ... Zupanc, A. (2014). Measurement of the τ -lepton Lifetime at Belle. Physical Review Letters, 112(3), Article 031801. https://doi.org/10.1103/PhysRevLett.112.031801

@article{86ed5e536bd744899ed965eea169bab2,

title = "Measurement of the τ -lepton Lifetime at Belle",

abstract = "The lifetime of the τ lepton is measured using the process e+e-→τ+τ-, where both τ leptons decay to 3πντ. The result for the mean lifetime, based on 711 fb-1 of data collected with the Belle detector at the {\"I} (4S) resonance and 60 MeV below, is τ=(290. 17±0.53(stat)±0.33(syst))×10-15 s. The first measurement of the lifetime difference between τ+ and τ- is performed. The upper limit on the relative lifetime difference between positive and negative τ leptons is |Δτ|/τ<7.0×10-3 at 90\% C.L.",

keywords = "13.66.Jn, 14.60.Fg",

author = "K. Belous and M. Shapkin and A. Sokolov and I. Adachi and H. Aihara and Asner, \{D. M.\} and V. Aulchenko and Bakich, \{A. M.\} and A. Bala and B. Bhuyan and A. Bobrov and A. Bondar and G. Bonvicini 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 R. Chistov and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and J. Dalseno and Z. Dole{\v z}al and D. Dutta and S. Eidelman and D. Epifanov and H. Farhat and Fast, \{J. E.\} and T. Ferber and V. Gaur and S. Ganguly and A. Garmash and R. Gillard and Goh, \{Y. M.\} and B. Golob and J. Haba and T. Hara and K. Hayasaka and H. Hayashii and Y. Hoshi and Hou, \{W. S.\} and T. Iijima and K. Inami and A. Ishikawa and R. Itoh and T. Iwashita and I. Jaegle and T. Julius and E. Kato and H. Kichimi and C. Kiesling and Kim, \{D. Y.\} and Kim, \{H. J.\} and Kim, \{J. B.\} and Kim, \{M. J.\} and Kim, \{Y. J.\} and K. Kinoshita and Ko, \{B. R.\} and P. Kody{\v s} and S. Korpar and P. Kri{\v z}an and P. Krokovny and T. Kuhr and A. Kuzmin and Kwon, \{Y. J.\} and Lange, \{J. S.\} and Lee, \{S. H.\} and J. Libby and D. Liventsev and P. Lukin and D. Matvienko and H. Miyata and R. Mizuk and Mohanty, \{G. B.\} and T. Mori and R. Mussa and Y. Nagasaka and E. Nakano and M. Nakao and M. Nayak and E. Nedelkovska and C. Ng and Nisar, \{N. K.\} and S. Nishida and O. Nitoh and S. Ogawa and S. Okuno and Olsen, \{S. L.\} and W. Ostrowicz and G. Pakhlova and Park, \{C. W.\} and H. Park and Park, \{H. K.\} and Pedlar, \{T. K.\} and R. Pestotnik and M. Petri{\v c} and Piilonen, \{L. E.\} and M. Ritter and M. R{\"o}hrken and A. Rostomyan and S. Ryu and H. Sahoo and T. Saito and Y. Sakai and S. Sandilya and D. Santel and L. Santelj and T. Sanuki and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and D. Semmler and K. Senyo and O. Seon and V. Shebalin and Shen, \{C. P.\} and Shibata, \{T. A.\} and Shiu, \{J. G.\} and B. Shwartz and A. Sibidanov and F. Simon and Sohn, \{Y. S.\} and S. Stani{\v c} and M. Stari{\v c} and M. Steder and T. Sumiyoshi and U. Tamponi and G. Tatishvili and Y. Teramoto and K. Trabelsi and T. Tsuboyama and M. Uchida and S. Uehara and T. Uglov and Y. Unno and S. Uno and Y. Usov and Vahsen, \{S. E.\} and \{Van Hulse\}, C. and P. Vanhoefer and G. Varner and Varvell, \{K. E.\} and A. Vinokurova and V. Vorobyev and Wagner, \{M. N.\} and Wang, \{C. H.\} and P. Wang and M. Watanabe and Y. Watanabe and Williams, \{K. M.\} and E. Won and J. Yamaoka and Y. Yamashita and S. Yashchenko and Y. Yook and Yuan, \{C. Z.\} and Zhang, \{Z. P.\} and V. Zhilich and A. Zupanc",

year = "2014",

month = jan,

day = "23",

doi = "10.1103/PhysRevLett.112.031801",

language = "English",

volume = "112",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "3",

}

Belous, K, Shapkin, M, Sokolov, A, Adachi, I, Aihara, H, Asner, DM, Aulchenko, V, Bakich, AM, Bala, A, Bhuyan, B, Bobrov, A, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Červenkov, D, Chekelian, V, Chen, A, Cheon, BG, Chilikin, K, Chistov, R, Cho, K, Chobanova, V, Choi, Y, Cinabro, D, Dalseno, J, Doležal, Z, Dutta, D, Eidelman, S, Epifanov, D, Farhat, H, Fast, JE, Ferber, T, Gaur, V, Ganguly, S, Garmash, A, Gillard, R, Goh, YM, Golob, B, Haba, J, Hara, T, Hayasaka, K, Hayashii, H, Hoshi, Y, Hou, WS, Iijima, T, Inami, K, Ishikawa, A, Itoh, R, Iwashita, T, Jaegle, I, Julius, T, Kato, E, Kichimi, H, Kiesling, C, Kim, DY, Kim, HJ, Kim, JB, Kim, MJ, Kim, YJ, Kinoshita, K, Ko, BR, Kodyš, P, Korpar, S, Križan, P, Krokovny, P, Kuhr, T, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, SH, Libby, J, Liventsev, D, Lukin, P, Matvienko, D, Miyata, H, Mizuk, R, Mohanty, GB, Mori, T, Mussa, R, Nagasaka, Y, Nakano, E, Nakao, M, Nayak, M, Nedelkovska, E, Ng, C, Nisar, NK, Nishida, S, Nitoh, O, Ogawa, S, Okuno, S, Olsen, SL, Ostrowicz, W, Pakhlova, G, Park, CW, Park, H, Park, HK, Pedlar, TK, Pestotnik, R, Petrič, M, Piilonen, LE, Ritter, M, Röhrken, M, Rostomyan, A, Ryu, S, Sahoo, H, Saito, T, Sakai, Y, Sandilya, S, Santel, D, Santelj, L, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Semmler, D, Senyo, K, Seon, O, Shebalin, V, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Sohn, YS, Stanič, S, Starič, M, Steder, M, Sumiyoshi, T, Tamponi, U, Tatishvili, G, Teramoto, Y, Trabelsi, K, Tsuboyama, T, Uchida, M, Uehara, S, Uglov, T, Unno, Y, Uno, S, Usov, Y, Vahsen, SE, Van Hulse, C, Vanhoefer, P, Varner, G, Varvell, KE, Vinokurova, A, Vorobyev, V, Wagner, MN, Wang, CH, Wang, P, Watanabe, M, Watanabe, Y, Williams, KM, Won, E, Yamaoka, J, Yamashita, Y, Yashchenko, S, Yook, Y, Yuan, CZ, Zhang, ZP, Zhilich, V & Zupanc, A 2014, 'Measurement of the τ -lepton Lifetime at Belle', Physical Review Letters, vol. 112, no. 3, 031801. https://doi.org/10.1103/PhysRevLett.112.031801

TY - JOUR

T1 - Measurement of the τ -lepton Lifetime at Belle

AU - Belous, K.

AU - Shapkin, M.

AU - Sokolov, A.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Bakich, A. M.

AU - Bala, A.

AU - Bhuyan, B.

AU - Bobrov, A.

AU - Bondar, A.

AU - Bonvicini, G.

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 - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dalseno, J.

AU - Doležal, Z.

AU - Dutta, D.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Gaur, V.

AU - Ganguly, S.

AU - Garmash, A.

AU - Gillard, R.

AU - Goh, Y. M.

AU - Golob, B.

AU - Haba, J.

AU - Hara, T.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Iijima, T.

AU - Inami, K.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwashita, T.

AU - Jaegle, I.

AU - Julius, T.

AU - Kato, E.

AU - Kichimi, H.

AU - Kiesling, C.

AU - Kim, D. Y.

AU - Kim, H. J.

AU - Kim, J. B.

AU - Kim, M. J.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Ko, B. R.

AU - Kodyš, P.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kuhr, T.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Lee, S. H.

AU - Libby, J.

AU - Liventsev, D.

AU - Lukin, P.

AU - Matvienko, D.

AU - Miyata, H.

AU - Mizuk, R.

AU - Mohanty, G. B.

AU - Mori, T.

AU - Mussa, R.

AU - Nagasaka, Y.

AU - Nakano, E.

AU - Nakao, M.

AU - Nayak, M.

AU - Nedelkovska, E.

AU - Ng, C.

AU - Nisar, N. K.

AU - Nishida, S.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Ostrowicz, W.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Park, H.

AU - Park, H. K.

AU - Pedlar, T. K.

AU - Pestotnik, R.

AU - Petrič, M.

AU - Piilonen, L. E.

AU - Ritter, M.

AU - Röhrken, M.

AU - Rostomyan, A.

AU - Ryu, S.

AU - Sahoo, H.

AU - Saito, T.

AU - Sakai, Y.

AU - Sandilya, S.

AU - Santel, D.

AU - Santelj, L.

AU - Sanuki, T.

AU - Savinov, V.

AU - Schneider, O.

AU - Schnell, G.

AU - Schwanda, C.

AU - Semmler, D.

AU - Senyo, K.

AU - Seon, O.

AU - Shebalin, V.

AU - Shen, C. P.

AU - Shibata, T. A.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Sibidanov, A.

AU - Simon, F.

AU - Sohn, Y. S.

AU - Stanič, S.

AU - Starič, M.

AU - Steder, M.

AU - Sumiyoshi, T.

AU - Tamponi, U.

AU - Tatishvili, G.

AU - Teramoto, Y.

AU - Trabelsi, K.

AU - Tsuboyama, T.

AU - Uchida, M.

AU - Uehara, S.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Usov, Y.

AU - Vahsen, S. E.

AU - Van Hulse, C.

AU - Vanhoefer, P.

AU - Varner, G.

AU - Varvell, K. E.

AU - Vinokurova, A.

AU - Vorobyev, V.

AU - Wagner, M. N.

AU - Wang, C. H.

AU - Wang, P.

AU - Watanabe, M.

AU - Watanabe, Y.

AU - Williams, K. M.

AU - Won, E.

AU - Yamaoka, J.

AU - Yamashita, Y.

AU - Yashchenko, S.

AU - Yook, Y.

AU - Yuan, C. Z.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zupanc, A.

PY - 2014/1/23

Y1 - 2014/1/23

N2 - The lifetime of the τ lepton is measured using the process e+e-→τ+τ-, where both τ leptons decay to 3πντ. The result for the mean lifetime, based on 711 fb-1 of data collected with the Belle detector at the Ï (4S) resonance and 60 MeV below, is τ=(290. 17±0.53(stat)±0.33(syst))×10-15 s. The first measurement of the lifetime difference between τ+ and τ- is performed. The upper limit on the relative lifetime difference between positive and negative τ leptons is |Δτ|/τ<7.0×10-3 at 90% C.L.

AB - The lifetime of the τ lepton is measured using the process e+e-→τ+τ-, where both τ leptons decay to 3πντ. The result for the mean lifetime, based on 711 fb-1 of data collected with the Belle detector at the Ï (4S) resonance and 60 MeV below, is τ=(290. 17±0.53(stat)±0.33(syst))×10-15 s. The first measurement of the lifetime difference between τ+ and τ- is performed. The upper limit on the relative lifetime difference between positive and negative τ leptons is |Δτ|/τ<7.0×10-3 at 90% C.L.

KW - 13.66.Jn

KW - 14.60.Fg

UR - https://www.scopus.com/pages/publications/84894480611

U2 - 10.1103/PhysRevLett.112.031801

DO - 10.1103/PhysRevLett.112.031801

M3 - Article

C2 - 24484129

AN - SCOPUS:84894480611

SN - 0031-9007

VL - 112

JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

M1 - 031801

ER -

Measurement of the τ -lepton Lifetime at Belle

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Keywords

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