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Title: Search for lepton-number- and baryon-number-violating tau decays at Belle

Abstract

We search for lepton-number- and baryon-number-violating decays τ - → pe+e -, pe-e -, pe+µ -, pe-µ +, pµ+µ -, and pµ-µ - using 921 fb-1 of data, equivalent to (841 ± 12) × 106 τ +τ - events, recorded with the Belle detector at the KEKB asymmetric-energy e +e - collider. In the absence of a signal, 90% confidence-level upper limits are set on the branching fractions of these decays in the range (1.8–4.0) × 10-8 . We set the world’s first limits on the first four channels and improve the existing limits by an order of magnitude for the last two channels.

Authors:
ORCiD logo; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
Belle Collaboration
OSTI Identifier:
1745079
Alternate Identifier(s):
OSTI ID: 1754997; OSTI ID: 1756667; OSTI ID: 1779853
Report Number(s):
PNNL-SA-158840
Journal ID: ISSN 2470-0010; PRVDAQ; 111101
Grant/Contract Number:  
AC05-76RL01830; SC0009973; SC0010504
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 102 Journal Issue: 11; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Baryogenesis & leptogenesis; Branching fraction; Extensions of gauge sector; Grand unified models; Lepton-lepton interactions; Rare decays; Supersymmetric models

Citation Formats

Sahoo, D., Mohanty, G. B., Trabelsi, K., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Bahinipati, S., Behera, P., Bennett, J., Bessner, M., Bhardwaj, V., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Campajola, M., Cao, L., Červenkov, D., Chang, M. -C., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Das, S., Dash, N., De Nardo, G., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dubey, S., Eidelman, S., Epifanov, D., Ferber, T., Ferlewicz, D., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Garmash, A., Giri, A., Goldenzweig, P., Golob, B., Guan, Y., Gudkova, K., Hadjivasiliou, C., Halder, S., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hernandez Villanueva, M., Hou, W. -S., Hsu, C. -L., Huang, K., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joo, C. W., Joo, K. K., Kaliyar, A. B., Kang, K. H., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, S. H., Kim, Y. -K., Kinoshita, K., Kodyš, P., Konno, T., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kuzmin, A., Kwon, Y. -J., Lalwani, K., Lee, I. S., Lee, S. C., Li, C. H., Li, J., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Liventsev, D., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, S., Moon, T. J., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Natochii, A., Nayak, L., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Ono, H., Onuki, Y., Oskin, P., Pakhlov, P., Pakhlova, G., Pang, T., Pardi, S., Park, C. W., Park, H., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Podobnik, T., Popov, V., Prencipe, E., Prim, M. T., Ritter, M., Röhrken, M., Rostomyan, A., Rout, N., Rozanska, M., Russo, G., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shapkin, M., Sharma, C., Shen, C. P., Shiu, J. -G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Stottler, Z. S., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Waheed, E., Wang, C. H., Wang, E., Wang, M. -Z., Wang, P., Watanabe, M., Watanuki, S., Wehle, S., Won, E., Xu, X., Yabsley, B. D., Yan, W., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhilich, V., Zhukova, V., Zhulanov, V., and Belle Collaboration. Search for lepton-number- and baryon-number-violating tau decays at Belle. United States: N. p., 2020. Web. https://doi.org/10.1103/PhysRevD.102.111101.
Sahoo, D., Mohanty, G. B., Trabelsi, K., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Bahinipati, S., Behera, P., Bennett, J., Bessner, M., Bhardwaj, V., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Campajola, M., Cao, L., Červenkov, D., Chang, M. -C., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Das, S., Dash, N., De Nardo, G., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dubey, S., Eidelman, S., Epifanov, D., Ferber, T., Ferlewicz, D., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Garmash, A., Giri, A., Goldenzweig, P., Golob, B., Guan, Y., Gudkova, K., Hadjivasiliou, C., Halder, S., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hernandez Villanueva, M., Hou, W. -S., Hsu, C. -L., Huang, K., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joo, C. W., Joo, K. K., Kaliyar, A. B., Kang, K. H., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, S. H., Kim, Y. -K., Kinoshita, K., Kodyš, P., Konno, T., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kuzmin, A., Kwon, Y. -J., Lalwani, K., Lee, I. S., Lee, S. C., Li, C. H., Li, J., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Liventsev, D., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, S., Moon, T. J., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Natochii, A., Nayak, L., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Ono, H., Onuki, Y., Oskin, P., Pakhlov, P., Pakhlova, G., Pang, T., Pardi, S., Park, C. W., Park, H., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Podobnik, T., Popov, V., Prencipe, E., Prim, M. T., Ritter, M., Röhrken, M., Rostomyan, A., Rout, N., Rozanska, M., Russo, G., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shapkin, M., Sharma, C., Shen, C. P., Shiu, J. -G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Stottler, Z. S., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Waheed, E., Wang, C. H., Wang, E., Wang, M. -Z., Wang, P., Watanabe, M., Watanuki, S., Wehle, S., Won, E., Xu, X., Yabsley, B. D., Yan, W., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhilich, V., Zhukova, V., Zhulanov, V., & Belle Collaboration. Search for lepton-number- and baryon-number-violating tau decays at Belle. United States. https://doi.org/10.1103/PhysRevD.102.111101
Sahoo, D., Mohanty, G. B., Trabelsi, K., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Babu, V., Bahinipati, S., Behera, P., Bennett, J., Bessner, M., Bhardwaj, V., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Campajola, M., Cao, L., Červenkov, D., Chang, M. -C., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Das, S., Dash, N., De Nardo, G., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dubey, S., Eidelman, S., Epifanov, D., Ferber, T., Ferlewicz, D., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Garmash, A., Giri, A., Goldenzweig, P., Golob, B., Guan, Y., Gudkova, K., Hadjivasiliou, C., Halder, S., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hernandez Villanueva, M., Hou, W. -S., Hsu, C. -L., Huang, K., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joo, C. W., Joo, K. K., Kaliyar, A. B., Kang, K. H., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, S. H., Kim, Y. -K., Kinoshita, K., Kodyš, P., Konno, T., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kuzmin, A., Kwon, Y. -J., Lalwani, K., Lee, I. S., Lee, S. C., Li, C. H., Li, J., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Liventsev, D., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, S., Moon, T. J., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Natochii, A., Nayak, L., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Ono, H., Onuki, Y., Oskin, P., Pakhlov, P., Pakhlova, G., Pang, T., Pardi, S., Park, C. W., Park, H., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Podobnik, T., Popov, V., Prencipe, E., Prim, M. T., Ritter, M., Röhrken, M., Rostomyan, A., Rout, N., Rozanska, M., Russo, G., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shapkin, M., Sharma, C., Shen, C. P., Shiu, J. -G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Stottler, Z. S., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Waheed, E., Wang, C. H., Wang, E., Wang, M. -Z., Wang, P., Watanabe, M., Watanuki, S., Wehle, S., Won, E., Xu, X., Yabsley, B. D., Yan, W., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhilich, V., Zhukova, V., Zhulanov, V., and Belle Collaboration. Thu . "Search for lepton-number- and baryon-number-violating tau decays at Belle". United States. https://doi.org/10.1103/PhysRevD.102.111101.
@article{osti_1745079,
title = {Search for lepton-number- and baryon-number-violating tau decays at Belle},
author = {Sahoo, D. and Mohanty, G. B. and Trabelsi, K. and Adachi, I. and Adamczyk, K. and Aihara, H. and Al Said, S. and Asner, D. M. and Aushev, T. and Ayad, R. and Aziz, T. and Babu, V. and Bahinipati, S. and Behera, P. and Bennett, J. and Bessner, M. and Bhardwaj, V. and Bilka, T. and Biswal, J. and Bonvicini, G. and Bozek, A. and Bračko, M. and Browder, T. E. and Campajola, M. and Cao, L. and Červenkov, D. and Chang, M. -C. and Chang, P. and Chekelian, V. and Chen, A. and Cheon, B. G. and Chilikin, K. and Cho, H. E. and Cho, K. and Choi, S. -K. and Choi, Y. and Choudhury, S. and Cinabro, D. and Cunliffe, S. and Das, S. and Dash, N. and De Nardo, G. and Di Capua, F. and Dingfelder, J. and Doležal, Z. and Dong, T. V. and Dubey, S. and Eidelman, S. and Epifanov, D. and Ferber, T. and Ferlewicz, D. and Frey, A. and Fulsom, B. G. and Garg, R. and Gaur, V. and Garmash, A. and Giri, A. and Goldenzweig, P. and Golob, B. and Guan, Y. and Gudkova, K. and Hadjivasiliou, C. and Halder, S. and Hara, T. and Hartbrich, O. and Hayasaka, K. and Hayashii, H. and Hedges, M. T. and Hernandez Villanueva, M. and Hou, W. -S. and Hsu, C. -L. and Huang, K. and Iijima, T. and Inami, K. and Inguglia, G. and Ishikawa, A. and Itoh, R. and Iwasaki, M. and Iwasaki, Y. and Jacobs, W. W. and Jeon, H. B. and Jia, S. and Jin, Y. and Joo, C. W. and Joo, K. K. and Kaliyar, A. B. and Kang, K. H. and Karyan, G. and Kawasaki, T. and Kichimi, H. and Kiesling, C. and Kim, D. Y. and Kim, S. H. and Kim, Y. -K. and Kinoshita, K. and Kodyš, P. and Konno, T. and Korpar, S. and Kotchetkov, D. and Križan, P. and Kroeger, R. and Krokovny, P. and Kuhr, T. and Kumar, M. and Kumar, R. and Kumara, K. and Kuzmin, A. and Kwon, Y. -J. and Lalwani, K. and Lee, I. S. and Lee, S. C. and Li, C. H. and Li, J. and Li, L. K. and Li, Y. B. and Libby, J. and Lieret, K. and Liventsev, D. and Luo, T. and MacNaughton, J. and Masuda, M. and Matsuda, T. and Matvienko, D. and Merola, M. and Metzner, F. and Miyabayashi, K. and Mizuk, R. and Mohanty, S. and Moon, T. J. and Mussa, R. and Nakano, E. and Nakao, M. and Natkaniec, Z. and Natochii, A. and Nayak, L. and Nayak, M. and Niiyama, M. and Nisar, N. K. and Nishida, S. and Ogawa, S. and Ono, H. and Onuki, Y. and Oskin, P. and Pakhlov, P. and Pakhlova, G. and Pang, T. and Pardi, S. and Park, C. W. and Park, H. and Patra, S. and Paul, S. and Pedlar, T. K. and Pestotnik, R. and Piilonen, L. E. and Podobnik, T. and Popov, V. and Prencipe, E. and Prim, M. T. and Ritter, M. and Röhrken, M. and Rostomyan, A. and Rout, N. and Rozanska, M. and Russo, G. and Sakai, Y. and Sandilya, S. and Santelj, L. and Sanuki, T. and Savinov, V. and Schnell, G. and Schueler, J. and Schwanda, C. and Schwartz, A. J. and Seino, Y. and Senyo, K. and Sevior, M. E. and Shapkin, M. and Sharma, C. and Shen, C. P. and Shiu, J. -G. and Shwartz, B. and Simon, F. and Sokolov, A. and Solovieva, E. and Stanič, S. and Starič, M. and Stottler, Z. S. and Strube, J. F. and Sumiyoshi, T. and Takizawa, M. and Tamponi, U. and Tanida, K. and Tenchini, F. and Uchida, M. and Uehara, S. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Ushiroda, Y. and Vahsen, S. E. and Van Tonder, R. and Varner, G. and Vinokurova, A. and Vorobyev, V. and Waheed, E. and Wang, C. H. and Wang, E. and Wang, M. -Z. and Wang, P. and Watanabe, M. and Watanuki, S. and Wehle, S. and Won, E. and Xu, X. and Yabsley, B. D. and Yan, W. and Yang, S. B. and Ye, H. and Yelton, J. and Yin, J. H. and Yusa, Y. and Zhilich, V. and Zhukova, V. and Zhulanov, V. and Belle Collaboration},
abstractNote = {We search for lepton-number- and baryon-number-violating decays τ - → pe+e -, pe-e -, pe+µ -, pe-µ +, pµ+µ -, and pµ-µ - using 921 fb-1 of data, equivalent to (841 ± 12) × 106 τ +τ - events, recorded with the Belle detector at the KEKB asymmetric-energy e +e - collider. In the absence of a signal, 90% confidence-level upper limits are set on the branching fractions of these decays in the range (1.8–4.0) × 10-8 . We set the world’s first limits on the first four channels and improve the existing limits by an order of magnitude for the last two channels.},
doi = {10.1103/PhysRevD.102.111101},
journal = {Physical Review D},
number = 11,
volume = 102,
place = {United States},
year = {2020},
month = {12}
}

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