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Title: Search for Axionlike Particles Produced in e + e − Collisions at Belle II

Abstract

We present a search for the direct production of a light pseudoscalar a decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process eþe- → γa, a → γγ in the mass range 0.2 < ma < 9.7 GeV=c2 using data corresponding to an integrated luminosity of ð445 3Þ pb-1. Light pseudoscalars interacting predominantly with standard model gauge bosons (so-called axionlike particles or ALPs) are frequently postulated in extensions of the standard model. We find no evidence for ALPs and set 95% confidence level upper limits on the coupling strength gaγγ of ALPs to photons at the level of 10-3 GeV-1. The limits are the most restrictive to date for 0.2 < ma < 1 GeV=c2 .

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ORCiD logo; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
Contributing Org.:
Belle II Collaboration
OSTI Identifier:
2325399
Alternate Identifier(s):
OSTI ID: 1706591; OSTI ID: 1773037; OSTI ID: 1779497
Report Number(s):
BNL-220573-2020-JAAM; PNNL-SA-160904
Journal ID: ISSN 0031-9007; PRLTAO; 161806
Grant/Contract Number:  
AC06-76RLO1830; AC06-76RL01830; SC0012704; SC0007983; SC0009824; SC0009973; SC0010073; SC0010118; SC0010504; SC0011784; PHY-1807007; PHY-1913789; AC05-76RL01830
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 125 Journal Issue: 16; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Extensions of gauge sector; Axions; Hypothetical gauge bosons; Lepton colliders

Citation Formats

Abudinén, F., Adachi, I., Aihara, H., Akopov, N., Aloisio, A., Ameli, F., Anh Ky, N., Asner, D. M., Aushev, T., Aushev, V., Babu, V., Baehr, S., Bahinipati, S., Bambade, P., Banerjee, Sw., Bansal, S., Baudot, J., Becker, J., Behera, P. K., Bennett, J. V., Bernieri, E., Bernlochner, F. U., Bertemes, M., Bessner, M., Bettarini, S., Bhardwaj, V., Bianchi, F., Bilka, T., Bilokin, S., Biswas, D., Bračko, M., Branchini, P., Braun, N., Browder, T. E., Budano, A., Bussino, S., Campajola, M., Casarosa, G., Cecchi, C., Červenkov, D., Chang, M. -C., Chang, P., Cheaib, R., Chekelian, V., Cheon, B. G., Chilikin, K., Chirapatpimol, K., Cho, H. -E., Cho, K., Cho, S. -J., Choi, S. -K., Cinabro, D., Corona, L., Cremaldi, L. M., Cunliffe, S., Dash, N., Dattola, F., De La Cruz-Burelo, E., De Nardo, G., De Nuccio, M., De Pietro, G., de Sangro, R., Destefanis, M., De Yta-Hernandez, A., Di Capua, F., Doležal, Z., Dong, T. V., Dort, K., Dossett, D., Dujany, G., Eidelman, S., Ferber, T., Ferlewicz, D., Fiore, S., Fodor, A., Forti, F., Fulsom, B. G., Ganiev, E., Garg, R., Garmash, A., Gaur, V., Gaz, A., Gebauer, U., Gellrich, A., Geßler, T., Giordano, R., Giri, A., Gobbo, B., Godang, R., Goldenzweig, P., Golob, B., Gomis, P., Gradl, W., Graziani, E., Greenwald, D., Hadjivasiliou, C., Halder, S., Hartbrich, O., Hayasaka, K., Hayashii, H., Hearty, C., Hedges, M. T., Heredia de la Cruz, I., Hernández Villanueva, M., Hershenhorn, A., Higuchi, T., Hill, E. C., Hirata, H., Hoek, M., Hohmann, M., Hsu, C. -L., Hu, Y., Inami, K., Inguglia, G., Irakkathil Jabbar, J., Ishikawa, A., Itoh, R., Jackson, P., Jacobs, W. W., Jaffe, D. E., Jang, E. -J., Jia, S., Jin, Y., Joo, C., Kaliyar, A. B., Kandra, J., Karyan, G., Kato, Y., Kichimi, H., Kiesling, C., Kim, C. -H., Kim, D. Y., Kim, H. J., Kim, S. -H., Kim, Y. -K., Kimmel, T. D., Kinoshita, K., Kleinwort, C., Kodyš, P., Koga, T., Kohani, S., Komarov, I., Korpar, S., Kraetzschmar, T. M. G., Križan, P., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kurz, S., Kwon, Y. -J., Lacaprara, S., La Licata, C., Lanceri, L., Lange, J. S., Lee, I. -S., Lee, S. C., Leitl, P., Levit, D., Lewis, P. M., Li, C., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Li Gioi, L., Liptak, Z., Liu, Q. Y., Liventsev, D., Longo, S., Luo, T., MacQueen, C., Maeda, Y., Manfredi, R., Manoni, E., Marcello, S., Marinas, C., Martini, A., Masuda, M., Matsuoka, K., Matvienko, D., Meggendorfer, F., Meier, F., Merola, M., Metzner, F., Milesi, M., Miller, C., Miyabayashi, K., Mizuk, R., Azmi, K., Mohanty, G. B., Moser, H. -G., Mrvar, M., Müller, F. J., Mussa, R., Nakamura, I., Nakao, M., Nakazawa, H., Natochii, A., Niebuhr, C., Nisar, N. K., Nishida, S., Nouxman, M. H. A., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Ozaki, H., Pakhlov, P., Paladino, A., Panta, A., Paoloni, E., Pardi, S., Park, H., Park, S. -H., Paschen, B., Passeri, A., Pathak, A., Patra, S., Paul, S., Pedlar, T. K., Peruzzi, I., Peschke, R., Piccolo, M., Piilonen, L. E., Polat, G., Popov, V., Praz, C., Prencipe, E., Prim, M. T., Purohit, M. V., Rad, N., Rados, P., Rasheed, R., Reif, M., Reiter, S., Remnev, M., Ripp-Baudot, I., Ritter, M., Ritzert, M., Rizzo, G., Robertson, S. H., Rodríguez Pérez, D., Roney, J. M., Rosenfeld, C., Rostomyan, A., Rout, N., Sahoo, D., Sakai, Y., Sanders, D. A., Sandilya, S., Sangal, A., Santelj, L., Sato, Y., Savinov, V., Scavino, B., Schwanda, C., Schwartz, A. J., Seddon, R. M., Seino, Y., Selce, A., Senyo, K., Serrano, J., Sevior, M. E., Sfienti, C., Shiu, J. -G., Sibidanov, A., Simon, F., Sobie, R. J., Soffer, A., Solovieva, E., Spataro, S., Spruck, B., Starič, M., Stefkova, S., Stottler, Z. S., Stroili, R., Strube, J., Sumihama, M., Sumiyoshi, T., Summers, D. J., Sutcliffe, W., Svidras, H., Tabata, M., Takizawa, M., Tamponi, U., Tanaka, S., Tanida, K., Tanigawa, H., Taras, P., Tenchini, F., Tonelli, D., Torassa, E., Trabelsi, K., Uchida, M., Uglov, T., Unger, K., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., van Tonder, R., Varner, G. S., Varvell, K. E., Vinokurova, A., Vitale, L., Waheed, E., Wakai, M., Wakeling, H. M., Wang, C. H., Wang, M. -Z., Wang, X. L., Warburton, A., Watanabe, M., Watanuki, S., Webb, J., Wehle, S., Welsch, M., Wessel, C., Wiechczynski, J., Windel, H., Won, E., Wu, L. J., Xu, X. P., Yabsley, B., Yan, W., Yang, S. B., Ye, H., Yonenaga, M., Yuan, C. Z., Yusa, Y., Zani, L., Zhou, Q. D., Zhukova, V. I., and Belle II Collaboration. Search for Axionlike Particles Produced in e + e − Collisions at Belle II. United States: N. p., 2020. Web. doi:10.1103/PhysRevLett.125.161806.
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Abudinén, F., Adachi, I., Aihara, H., Akopov, N., Aloisio, A., Ameli, F., Anh Ky, N., Asner, D. M., Aushev, T., Aushev, V., Babu, V., Baehr, S., Bahinipati, S., Bambade, P., Banerjee, Sw., Bansal, S., Baudot, J., Becker, J., Behera, P. K., Bennett, J. V., Bernieri, E., Bernlochner, F. U., Bertemes, M., Bessner, M., Bettarini, S., Bhardwaj, V., Bianchi, F., Bilka, T., Bilokin, S., Biswas, D., Bračko, M., Branchini, P., Braun, N., Browder, T. E., Budano, A., Bussino, S., Campajola, M., Casarosa, G., Cecchi, C., Červenkov, D., Chang, M. -C., Chang, P., Cheaib, R., Chekelian, V., Cheon, B. G., Chilikin, K., Chirapatpimol, K., Cho, H. -E., Cho, K., Cho, S. -J., Choi, S. -K., Cinabro, D., Corona, L., Cremaldi, L. M., Cunliffe, S., Dash, N., Dattola, F., De La Cruz-Burelo, E., De Nardo, G., De Nuccio, M., De Pietro, G., de Sangro, R., Destefanis, M., De Yta-Hernandez, A., Di Capua, F., Doležal, Z., Dong, T. V., Dort, K., Dossett, D., Dujany, G., Eidelman, S., Ferber, T., Ferlewicz, D., Fiore, S., Fodor, A., Forti, F., Fulsom, B. G., Ganiev, E., Garg, R., Garmash, A., Gaur, V., Gaz, A., Gebauer, U., Gellrich, A., Geßler, T., Giordano, R., Giri, A., Gobbo, B., Godang, R., Goldenzweig, P., Golob, B., Gomis, P., Gradl, W., Graziani, E., Greenwald, D., Hadjivasiliou, C., Halder, S., Hartbrich, O., Hayasaka, K., Hayashii, H., Hearty, C., Hedges, M. T., Heredia de la Cruz, I., Hernández Villanueva, M., Hershenhorn, A., Higuchi, T., Hill, E. C., Hirata, H., Hoek, M., Hohmann, M., Hsu, C. -L., Hu, Y., Inami, K., Inguglia, G., Irakkathil Jabbar, J., Ishikawa, A., Itoh, R., Jackson, P., Jacobs, W. W., Jaffe, D. E., Jang, E. -J., Jia, S., Jin, Y., Joo, C., Kaliyar, A. B., Kandra, J., Karyan, G., Kato, Y., Kichimi, H., Kiesling, C., Kim, C. -H., Kim, D. Y., Kim, H. J., Kim, S. -H., Kim, Y. -K., Kimmel, T. D., Kinoshita, K., Kleinwort, C., Kodyš, P., Koga, T., Kohani, S., Komarov, I., Korpar, S., Kraetzschmar, T. M. G., Križan, P., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kurz, S., Kwon, Y. -J., Lacaprara, S., La Licata, C., Lanceri, L., Lange, J. S., Lee, I. -S., Lee, S. C., Leitl, P., Levit, D., Lewis, P. M., Li, C., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Li Gioi, L., Liptak, Z., Liu, Q. Y., Liventsev, D., Longo, S., Luo, T., MacQueen, C., Maeda, Y., Manfredi, R., Manoni, E., Marcello, S., Marinas, C., Martini, A., Masuda, M., Matsuoka, K., Matvienko, D., Meggendorfer, F., Meier, F., Merola, M., Metzner, F., Milesi, M., Miller, C., Miyabayashi, K., Mizuk, R., Azmi, K., Mohanty, G. B., Moser, H. -G., Mrvar, M., Müller, F. J., Mussa, R., Nakamura, I., Nakao, M., Nakazawa, H., Natochii, A., Niebuhr, C., Nisar, N. K., Nishida, S., Nouxman, M. H. A., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Ozaki, H., Pakhlov, P., Paladino, A., Panta, A., Paoloni, E., Pardi, S., Park, H., Park, S. -H., Paschen, B., Passeri, A., Pathak, A., Patra, S., Paul, S., Pedlar, T. K., Peruzzi, I., Peschke, R., Piccolo, M., Piilonen, L. E., Polat, G., Popov, V., Praz, C., Prencipe, E., Prim, M. T., Purohit, M. V., Rad, N., Rados, P., Rasheed, R., Reif, M., Reiter, S., Remnev, M., Ripp-Baudot, I., Ritter, M., Ritzert, M., Rizzo, G., Robertson, S. H., Rodríguez Pérez, D., Roney, J. M., Rosenfeld, C., Rostomyan, A., Rout, N., Sahoo, D., Sakai, Y., Sanders, D. A., Sandilya, S., Sangal, A., Santelj, L., Sato, Y., Savinov, V., Scavino, B., Schwanda, C., Schwartz, A. J., Seddon, R. M., Seino, Y., Selce, A., Senyo, K., Serrano, J., Sevior, M. E., Sfienti, C., Shiu, J. -G., Sibidanov, A., Simon, F., Sobie, R. J., Soffer, A., Solovieva, E., Spataro, S., Spruck, B., Starič, M., Stefkova, S., Stottler, Z. S., Stroili, R., Strube, J., Sumihama, M., Sumiyoshi, T., Summers, D. J., Sutcliffe, W., Svidras, H., Tabata, M., Takizawa, M., Tamponi, U., Tanaka, S., Tanida, K., Tanigawa, H., Taras, P., Tenchini, F., Tonelli, D., Torassa, E., Trabelsi, K., Uchida, M., Uglov, T., Unger, K., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., van Tonder, R., Varner, G. S., Varvell, K. E., Vinokurova, A., Vitale, L., Waheed, E., Wakai, M., Wakeling, H. M., Wang, C. H., Wang, M. -Z., Wang, X. L., Warburton, A., Watanabe, M., Watanuki, S., Webb, J., Wehle, S., Welsch, M., Wessel, C., Wiechczynski, J., Windel, H., Won, E., Wu, L. J., Xu, X. P., Yabsley, B., Yan, W., Yang, S. B., Ye, H., Yonenaga, M., Yuan, C. Z., Yusa, Y., Zani, L., Zhou, Q. D., Zhukova, V. I., & Belle II Collaboration. Search for Axionlike Particles Produced in e + e − Collisions at Belle II. United States. https://doi.org/10.1103/PhysRevLett.125.161806
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Abudinén, F., Adachi, I., Aihara, H., Akopov, N., Aloisio, A., Ameli, F., Anh Ky, N., Asner, D. M., Aushev, T., Aushev, V., Babu, V., Baehr, S., Bahinipati, S., Bambade, P., Banerjee, Sw., Bansal, S., Baudot, J., Becker, J., Behera, P. K., Bennett, J. V., Bernieri, E., Bernlochner, F. U., Bertemes, M., Bessner, M., Bettarini, S., Bhardwaj, V., Bianchi, F., Bilka, T., Bilokin, S., Biswas, D., Bračko, M., Branchini, P., Braun, N., Browder, T. E., Budano, A., Bussino, S., Campajola, M., Casarosa, G., Cecchi, C., Červenkov, D., Chang, M. -C., Chang, P., Cheaib, R., Chekelian, V., Cheon, B. G., Chilikin, K., Chirapatpimol, K., Cho, H. -E., Cho, K., Cho, S. -J., Choi, S. -K., Cinabro, D., Corona, L., Cremaldi, L. M., Cunliffe, S., Dash, N., Dattola, F., De La Cruz-Burelo, E., De Nardo, G., De Nuccio, M., De Pietro, G., de Sangro, R., Destefanis, M., De Yta-Hernandez, A., Di Capua, F., Doležal, Z., Dong, T. V., Dort, K., Dossett, D., Dujany, G., Eidelman, S., Ferber, T., Ferlewicz, D., Fiore, S., Fodor, A., Forti, F., Fulsom, B. G., Ganiev, E., Garg, R., Garmash, A., Gaur, V., Gaz, A., Gebauer, U., Gellrich, A., Geßler, T., Giordano, R., Giri, A., Gobbo, B., Godang, R., Goldenzweig, P., Golob, B., Gomis, P., Gradl, W., Graziani, E., Greenwald, D., Hadjivasiliou, C., Halder, S., Hartbrich, O., Hayasaka, K., Hayashii, H., Hearty, C., Hedges, M. T., Heredia de la Cruz, I., Hernández Villanueva, M., Hershenhorn, A., Higuchi, T., Hill, E. C., Hirata, H., Hoek, M., Hohmann, M., Hsu, C. -L., Hu, Y., Inami, K., Inguglia, G., Irakkathil Jabbar, J., Ishikawa, A., Itoh, R., Jackson, P., Jacobs, W. W., Jaffe, D. E., Jang, E. -J., Jia, S., Jin, Y., Joo, C., Kaliyar, A. B., Kandra, J., Karyan, G., Kato, Y., Kichimi, H., Kiesling, C., Kim, C. -H., Kim, D. Y., Kim, H. J., Kim, S. -H., Kim, Y. -K., Kimmel, T. D., Kinoshita, K., Kleinwort, C., Kodyš, P., Koga, T., Kohani, S., Komarov, I., Korpar, S., Kraetzschmar, T. M. G., Križan, P., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kurz, S., Kwon, Y. -J., Lacaprara, S., La Licata, C., Lanceri, L., Lange, J. S., Lee, I. -S., Lee, S. C., Leitl, P., Levit, D., Lewis, P. M., Li, C., Li, L. K., Li, Y. B., Libby, J., Lieret, K., Li Gioi, L., Liptak, Z., Liu, Q. Y., Liventsev, D., Longo, S., Luo, T., MacQueen, C., Maeda, Y., Manfredi, R., Manoni, E., Marcello, S., Marinas, C., Martini, A., Masuda, M., Matsuoka, K., Matvienko, D., Meggendorfer, F., Meier, F., Merola, M., Metzner, F., Milesi, M., Miller, C., Miyabayashi, K., Mizuk, R., Azmi, K., Mohanty, G. B., Moser, H. -G., Mrvar, M., Müller, F. J., Mussa, R., Nakamura, I., Nakao, M., Nakazawa, H., Natochii, A., Niebuhr, C., Nisar, N. K., Nishida, S., Nouxman, M. H. A., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Ozaki, H., Pakhlov, P., Paladino, A., Panta, A., Paoloni, E., Pardi, S., Park, H., Park, S. -H., Paschen, B., Passeri, A., Pathak, A., Patra, S., Paul, S., Pedlar, T. K., Peruzzi, I., Peschke, R., Piccolo, M., Piilonen, L. E., Polat, G., Popov, V., Praz, C., Prencipe, E., Prim, M. T., Purohit, M. V., Rad, N., Rados, P., Rasheed, R., Reif, M., Reiter, S., Remnev, M., Ripp-Baudot, I., Ritter, M., Ritzert, M., Rizzo, G., Robertson, S. H., Rodríguez Pérez, D., Roney, J. M., Rosenfeld, C., Rostomyan, A., Rout, N., Sahoo, D., Sakai, Y., Sanders, D. A., Sandilya, S., Sangal, A., Santelj, L., Sato, Y., Savinov, V., Scavino, B., Schwanda, C., Schwartz, A. J., Seddon, R. M., Seino, Y., Selce, A., Senyo, K., Serrano, J., Sevior, M. E., Sfienti, C., Shiu, J. -G., Sibidanov, A., Simon, F., Sobie, R. J., Soffer, A., Solovieva, E., Spataro, S., Spruck, B., Starič, M., Stefkova, S., Stottler, Z. S., Stroili, R., Strube, J., Sumihama, M., Sumiyoshi, T., Summers, D. J., Sutcliffe, W., Svidras, H., Tabata, M., Takizawa, M., Tamponi, U., Tanaka, S., Tanida, K., Tanigawa, H., Taras, P., Tenchini, F., Tonelli, D., Torassa, E., Trabelsi, K., Uchida, M., Uglov, T., Unger, K., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Vahsen, S. E., van Tonder, R., Varner, G. S., Varvell, K. E., Vinokurova, A., Vitale, L., Waheed, E., Wakai, M., Wakeling, H. M., Wang, C. H., Wang, M. -Z., Wang, X. L., Warburton, A., Watanabe, M., Watanuki, S., Webb, J., Wehle, S., Welsch, M., Wessel, C., Wiechczynski, J., Windel, H., Won, E., Wu, L. J., Xu, X. P., Yabsley, B., Yan, W., Yang, S. B., Ye, H., Yonenaga, M., Yuan, C. Z., Yusa, Y., Zani, L., Zhou, Q. D., Zhukova, V. I., and Belle II Collaboration. Wed . "Search for Axionlike Particles Produced in e + e − Collisions at Belle II". United States. https://doi.org/10.1103/PhysRevLett.125.161806.
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@article{osti_2325399,
title = {Search for Axionlike Particles Produced in e + e − Collisions at Belle II},
author = {Abudinén, F. and Adachi, I. and Aihara, H. and Akopov, N. and Aloisio, A. and Ameli, F. and Anh Ky, N. and Asner, D. M. and Aushev, T. and Aushev, V. and Babu, V. and Baehr, S. and Bahinipati, S. and Bambade, P. and Banerjee, Sw. and Bansal, S. and Baudot, J. and Becker, J. and Behera, P. K. and Bennett, J. V. and Bernieri, E. and Bernlochner, F. U. and Bertemes, M. and Bessner, M. and Bettarini, S. and Bhardwaj, V. and Bianchi, F. and Bilka, T. and Bilokin, S. and Biswas, D. and Bračko, M. and Branchini, P. and Braun, N. and Browder, T. E. and Budano, A. and Bussino, S. and Campajola, M. and Casarosa, G. and Cecchi, C. and Červenkov, D. and Chang, M. -C. and Chang, P. and Cheaib, R. and Chekelian, V. and Cheon, B. G. and Chilikin, K. and Chirapatpimol, K. and Cho, H. -E. and Cho, K. and Cho, S. -J. and Choi, S. -K. and Cinabro, D. and Corona, L. and Cremaldi, L. M. and Cunliffe, S. and Dash, N. and Dattola, F. and De La Cruz-Burelo, E. and De Nardo, G. and De Nuccio, M. and De Pietro, G. and de Sangro, R. and Destefanis, M. and De Yta-Hernandez, A. and Di Capua, F. and Doležal, Z. and Dong, T. V. and Dort, K. and Dossett, D. and Dujany, G. and Eidelman, S. and Ferber, T. and Ferlewicz, D. and Fiore, S. and Fodor, A. and Forti, F. and Fulsom, B. G. and Ganiev, E. and Garg, R. and Garmash, A. and Gaur, V. and Gaz, A. and Gebauer, U. and Gellrich, A. and Geßler, T. and Giordano, R. and Giri, A. and Gobbo, B. and Godang, R. and Goldenzweig, P. and Golob, B. and Gomis, P. and Gradl, W. and Graziani, E. and Greenwald, D. and Hadjivasiliou, C. and Halder, S. and Hartbrich, O. and Hayasaka, K. and Hayashii, H. and Hearty, C. and Hedges, M. T. and Heredia de la Cruz, I. and Hernández Villanueva, M. and Hershenhorn, A. and Higuchi, T. and Hill, E. C. and Hirata, H. and Hoek, M. and Hohmann, M. and Hsu, C. -L. and Hu, Y. and Inami, K. and Inguglia, G. and Irakkathil Jabbar, J. and Ishikawa, A. and Itoh, R. and Jackson, P. and Jacobs, W. W. and Jaffe, D. E. and Jang, E. -J. and Jia, S. and Jin, Y. and Joo, C. and Kaliyar, A. B. and Kandra, J. and Karyan, G. and Kato, Y. and Kichimi, H. and Kiesling, C. and Kim, C. -H. and Kim, D. Y. and Kim, H. J. and Kim, S. -H. and Kim, Y. -K. and Kimmel, T. D. and Kinoshita, K. and Kleinwort, C. and Kodyš, P. and Koga, T. and Kohani, S. and Komarov, I. and Korpar, S. and Kraetzschmar, T. M. G. and Križan, P. and Krokovny, P. and Kuhr, T. and Kumar, M. and Kumar, R. and Kumara, K. and Kurz, S. and Kwon, Y. -J. and Lacaprara, S. and La Licata, C. and Lanceri, L. and Lange, J. S. and Lee, I. -S. and Lee, S. C. and Leitl, P. and Levit, D. and Lewis, P. M. and Li, C. and Li, L. K. and Li, Y. B. and Libby, J. and Lieret, K. and Li Gioi, L. and Liptak, Z. and Liu, Q. Y. and Liventsev, D. and Longo, S. and Luo, T. and MacQueen, C. and Maeda, Y. and Manfredi, R. and Manoni, E. and Marcello, S. and Marinas, C. and Martini, A. and Masuda, M. and Matsuoka, K. and Matvienko, D. and Meggendorfer, F. and Meier, F. and Merola, M. and Metzner, F. and Milesi, M. and Miller, C. and Miyabayashi, K. and Mizuk, R. and Azmi, K. and Mohanty, G. B. and Moser, H. -G. and Mrvar, M. and Müller, F. J. and Mussa, R. and Nakamura, I. and Nakao, M. and Nakazawa, H. and Natochii, A. and Niebuhr, C. and Nisar, N. K. and Nishida, S. and Nouxman, M. H. A. and Ogawa, K. and Ogawa, S. and Ono, H. and Oskin, P. and Ozaki, H. and Pakhlov, P. and Paladino, A. and Panta, A. and Paoloni, E. and Pardi, S. and Park, H. and Park, S. -H. and Paschen, B. and Passeri, A. and Pathak, A. and Patra, S. and Paul, S. and Pedlar, T. K. and Peruzzi, I. and Peschke, R. and Piccolo, M. and Piilonen, L. E. and Polat, G. and Popov, V. and Praz, C. and Prencipe, E. and Prim, M. T. and Purohit, M. V. and Rad, N. and Rados, P. and Rasheed, R. and Reif, M. and Reiter, S. and Remnev, M. and Ripp-Baudot, I. and Ritter, M. and Ritzert, M. and Rizzo, G. and Robertson, S. H. and Rodríguez Pérez, D. and Roney, J. M. and Rosenfeld, C. and Rostomyan, A. and Rout, N. and Sahoo, D. and Sakai, Y. and Sanders, D. A. and Sandilya, S. and Sangal, A. and Santelj, L. and Sato, Y. and Savinov, V. and Scavino, B. and Schwanda, C. and Schwartz, A. J. and Seddon, R. M. and Seino, Y. and Selce, A. and Senyo, K. and Serrano, J. and Sevior, M. E. and Sfienti, C. and Shiu, J. -G. and Sibidanov, A. and Simon, F. and Sobie, R. J. and Soffer, A. and Solovieva, E. and Spataro, S. and Spruck, B. and Starič, M. and Stefkova, S. and Stottler, Z. S. and Stroili, R. and Strube, J. and Sumihama, M. and Sumiyoshi, T. and Summers, D. J. and Sutcliffe, W. and Svidras, H. and Tabata, M. and Takizawa, M. and Tamponi, U. and Tanaka, S. and Tanida, K. and Tanigawa, H. and Taras, P. and Tenchini, F. and Tonelli, D. and Torassa, E. and Trabelsi, K. and Uchida, M. and Uglov, T. and Unger, K. and Unno, Y. and Uno, S. and Urquijo, P. and Ushiroda, Y. and Vahsen, S. E. and van Tonder, R. and Varner, G. S. and Varvell, K. E. and Vinokurova, A. and Vitale, L. and Waheed, E. and Wakai, M. and Wakeling, H. M. and Wang, C. H. and Wang, M. -Z. and Wang, X. L. and Warburton, A. and Watanabe, M. and Watanuki, S. and Webb, J. and Wehle, S. and Welsch, M. and Wessel, C. and Wiechczynski, J. and Windel, H. and Won, E. and Wu, L. J. and Xu, X. P. and Yabsley, B. and Yan, W. and Yang, S. B. and Ye, H. and Yonenaga, M. and Yuan, C. Z. and Yusa, Y. and Zani, L. and Zhou, Q. D. and Zhukova, V. I. and Belle II Collaboration},
abstractNote = {We present a search for the direct production of a light pseudoscalar a decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process eþe- → γa, a → γγ in the mass range 0.2 < ma < 9.7 GeV=c2 using data corresponding to an integrated luminosity of ð445 3Þ pb-1. Light pseudoscalars interacting predominantly with standard model gauge bosons (so-called axionlike particles or ALPs) are frequently postulated in extensions of the standard model. We find no evidence for ALPs and set 95% confidence level upper limits on the coupling strength gaγγ of ALPs to photons at the level of 10-3 GeV-1. The limits are the most restrictive to date for 0.2 < ma < 1 GeV=c2 .},
doi = {10.1103/PhysRevLett.125.161806},
journal = {Physical Review Letters},
number = 16,
volume = 125,
place = {United States},
year = {Wed Oct 14 00:00:00 EDT 2020},
month = {Wed Oct 14 00:00:00 EDT 2020}
}
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