Measurement of the branching fraction ${\cal B}(\bar B^0\to D^{*+}\ell^-\bar\nu_\ell)$ with early Belle II data
(2020)
Authors:
Belle II Collaboration, F Abudinén, I Adachi, R Adak, K Adamczyk, P Ahlburg, JK Ahn, H Aihara, N Akopov, A Aloisio, F Ameli, L Andricek, N Anh Ky, DM Asner, H Atmacan, V Aulchenko, T Aushev, V Aushev, T Aziz, V Babu, S Bacher, S Baehr, S Bahinipati, AM Bakich, P Bambade, Sw Banerjee, S Bansal, M Barrett, W Bartel, G Batignani, J Baudot, A Beaulieu, J Becker, PK Behera, M Bender, JV Bennett, E Bernieri, FU Bernlochner, M Bertemes, M Bessner, S Bettarini, V Bhardwaj, B Bhuyan, F Bianchi, T Bilka, S Bilokin, D Biswas, A Bobrov, A Bondar, G Bonvicini, A Bozek, M Bračko, P Branchini, N Braun, RA Briere, TE Browder, DN Brown, A Budano, L Burmistrov, S Bussino, M Campajola, L Cao, G Caria, G Casarosa, C Cecchi, D Červenkov, M-C Chang, P Chang, R Cheaib, V Chekelian, YQ Chen, Y-T Chen, BG Cheon, K Chilikin, H-E Cho, K Cho, S-J Cho, S-K Choi, S Choudhury, D Cinabro, L Corona, LM Cremaldi, D Cuesta, S Cunliffe, T Czank, N Dash, F Dattola, E De La Cruz-Burelo, G De Nardo, M De Nuccio, G De Pietro, R de Sangro, B Deschamps, M Destefanis, S Dey, A De Yta-Hernandez, F Di Capua, S Di Carlo, J Dingfelder, Z Doležal, I Domínguez Jiménez, TV Dong, K Dort, D Dossett, S Dubey, S Duell, G Dujany, S Eidelman, M Eliachevitch, D Epifanov, JE Fast, T Ferber, D Ferlewicz, G Finocchiaro, S Fiore, P Fischer, A Fodor, F Forti, A Frey, M Friedl, BG Fulsom, M Gabriel, N Gabyshev, E Ganiev, M Garcia-Hernandez, R Garg, A Garmash, V Gaur, A Gaz, U Gebauer, M Gelb, A Gellrich, J Gemmler, T Geßler, D Getzkow, R Giordano, A Giri, A Glazov, B Gobbo, R Godang, P Goldenzweig, B Golob, P Gomis, P Grace, W Gradl, E Graziani, D Greenwald, Y Guan, C Hadjivasiliou, S Halder, K Hara, T Hara, O Hartbrich, T Hauth, K Hayasaka, H Hayashii, C Hearty, M Heck, MT Hedges, I Heredia de la Cruz, M Hernández Villanueva, A Hershenhorn, T Higuchi, EC Hill, H Hirata, S Hirose, M Hoek, M Hohmann, S Hollitt, T Hotta, C-L Hsu, Y Hu, K Huang, T Iijima, K Inami, G Inguglia, J Irakkathil Jabbar, A Ishikawa, R Itoh, M Iwasaki, Y Iwasaki, S Iwata, P Jackson, WW Jacobs, I Jaegle, DE Jaffe, E-J Jang, M Jeandron, HB Jeon, S Jia, Y Jin, C Joo, KK Joo, I Kadenko, J Kahn, H Kakuno, AB Kaliyar, J Kandra, KH Kang, P Kapusta, G Karyan, Y Kato, H Kawai, T Kawasaki, T Keck, C Ketter, H Kichimi, C Kiesling, BH Kim, C-H Kim, DY Kim, HJ Kim, JB Kim, K-H Kim, K Kim, S-H Kim, Y-K Kim, Y Kim, TD Kimmel, H Kindo, K Kinoshita, B Kirby, C Kleinwort, B Knysh, P Kodyš, T Koga, S Kohani, S Koirala, I Komarov, T Konno, S Korpar, N Kovalchuk, TMG Kraetzschmar, P Križan, R Kroeger, JF Krohn, P Krokovny, H Krüger, W Kuehn, T Kuhr, J Kumar, M Kumar, R Kumar, K Kumara, T Kumita, T Kunigo, M Künzel, S Kurz, A Kuzmin, P Kvasnička, Y-J Kwon, S Lacaprara, Y-T Lai, C La Licata, K Lalwani, L Lanceri, JS Lange, K Lautenbach, PJ Laycock, FR Le Diberder, I-S Lee, SC Lee, P Leitl, D Levit, PM Lewis, C Li, LK Li, SX Li, YM Li, YB Li, J Libby, K Lieret, L Li Gioi, J Lin, Z Liptak, QY Liu, ZA Liu, D Liventsev, S Longo, A Loos, P Lu, M Lubej, T Lueck, F Luetticke, T Luo, C MacQueen, Y Maeda, M Maggiora, S Maity, R Manfredi, E Manoni, S Marcello, C Marinas, A Martini, M Masuda, T Matsuda, K Matsuoka, D Matvienko, J McNeil, F Meggendorfer, JC Mei, F Meier, M Merola, F Metzner, M Milesi, C Miller, K Miyabayashi, H Miyake, H Miyata, R Mizuk, K Azmi, GB Mohanty, H Moon, T Moon, JA Mora Grimaldo, A Morda, T Morii, H-G Moser, M Mrvar, F Mueller, FJ Müller, Th Muller, G Muroyama, R Mussa, K Nakagiri, I Nakamura, KR Nakamura, E Nakano, M Nakao, H Nakayama, H Nakazawa, T Nanut, Z Natkaniec, M Nayak, G Nazaryan, D Neverov, C Niebuhr, M Niiyama, J Ninkovic, NK Nisar, S Nishida, K Nishimura, M Nishimura, MHA Nouxman, B Oberhof, K Ogawa, S Ogawa, SL Olsen, Y Onishchuk, H Ono, Y Onuki, P Oskin, ER Oxford, H Ozaki, P Pakhlov, G Pakhlova, A Paladino, T Pang, A Panta, E Paoloni, C Park, H Park, S-H Park, B Paschen, A Passeri, A Pathak, S Patra, S Paul, TK Pedlar, I Peruzzi, R Peschke, R Pestotnik, M Piccolo, LE Piilonen, PLM Podesta-Lerma, V Popov, C Praz, E Prencipe, MT Prim, MV Purohit, P Rados, R Rasheed, M Reif, S Reiter, M Remnev, PK Resmi, I Ripp-Baudot, M Ritter, M Ritzert, G Rizzo, LB Rizzuto, SH Robertson, D Rodríguez Pérez, JM Roney, C Rosenfeld, A Rostomyan, N Rout, M Rozanska, S Rummel, G Russo, D Sahoo, Y Sakai, DA Sanders, S Sandilya, A Sangal, L Santelj, P Sartori, J Sasaki, Y Sato, V Savinov, B Scavino, M Schram, H Schreeck, J Schueler, C Schwanda, AJ Schwartz, B Schwenker, RM Seddon, Y Seino, A Selce, K Senyo, IS Seong, ME Sevior, C Sfienti, V Shebalin, CP Shen, H Shibuya, J-G Shiu, B Shwartz, A Sibidanov, F Simon, JB Singh, S Skambraks, K Smith, RJ Sobie, A Soffer, A Sokolov, Y Soloviev, E Solovieva, S Spataro, B Spruck, M Starič, S Stefkova, ZS Stottler, R Stroili, J Strube, J Stypula, M Sumihama, K Sumisawa, T Sumiyoshi, DJ Summers, W Sutcliffe, K Suzuki, SY Suzuki, M Tabata, M Takahashi, M Takizawa, U Tamponi, S Tanaka, K Tanida, H Tanigawa, N Taniguchi, Y Tao, P Taras, F Tenchini, D Tonelli, E Torassa, K Trabelsi, T Tsuboyama, N Tsuzuki, M Uchida, I Ueda, S Uehara, T Ueno, T Uglov, K Unger, Y Unno, S Uno, P Urquijo, Y Ushiroda, Y Usov, SE Vahsen, R van Tonder, GS Varner, KE Varvell, A Vinokurova, L Vitale, V Vorobyev, A Vossen, E Waheed, HM Wakeling, K Wan, W Wan Abdullah, B Wang, CH Wang, M-Z Wang, XL Wang, A Warburton, M Watanabe, S Watanuki, I Watson, J Webb, S Wehle, M Welsch, C Wessel, J Wiechczynski, P Wieduwilt, H Windel, E Won, LJ Wu, XP Xu, B Yabsley, S Yamada, W Yan, SB Yang, H Ye, J Yelton, I Yeo, JH Yin, M Yonenaga, YM Yook, T Yoshinobu, CZ Yuan, G Yuan, W Yuan, Y Yusa, L Zani, JZ Zhang, Y Zhang, Z Zhang, V Zhilich, QD Zhou, XY Zhou, VI Zhukova, V Zhulanov, A ZupancSearch for an Invisibly Decaying Z′ Boson at Belle II in e+e-→μ+μ-(e±μ∓) Plus Missing Energy Final States
Physical Review Letters American Physical Society (APS) 124:14 (2020) 141801
Authors:
I Adachi, P Ahlburg, H Aihara, N Akopov, A Aloisio, N Anh Ky, DM Asner, H Atmacan, T Aushev, V Aushev, T Aziz, V Babu, S Baehr, P Bambade, Sw Banerjee, V Bansal, M Barrett, J Baudot, J Becker, PK Behera, JV Bennett, E Bernieri, FU Bernlochner, M Bertemes, M Bessner, S Bettarini, F Bianchi, D Biswas, A Bozek, M Bračko, P Branchini, RA Briere, TE Browder, A Budano, L Burmistrov, S Bussino, M Campajola, L Cao, G Casarosa, C Cecchi, D Červenkov, M-C Chang, R Cheaib, V Chekelian, YQ Chen, Y-T Chen, BG Cheon, K Chilikin, K Cho, S Cho, S-K Choi, S Choudhury, D Cinabro, L Corona, LM Cremaldi, S Cunliffe, T Czank, F Dattola, E De La Cruz-Burelo, G De Nardo, M De Nuccio, G De Pietro, R de Sangro, M Destefanis, S Dey, A De Yta-Hernandez, F Di Capua, Z Doležal, I Domínguez Jiménez, TV Dong, K Dort, D Dossett, S Dubey, S Duell, G Dujany, S Eidelman, M Eliachevitch, JE Fast, T Ferber, D Ferlewicz, G Finocchiaro, S Fiore, A Fodor, F Forti, BG Fulsom, E Ganiev, M Garcia-Hernandez, R Garg, V Gaur, A Gaz, A Gellrich, J Gemmler, T Geßler, R Giordano, A Giri, B Gobbo, R Godang, P Goldenzweig, B Golob, P Gomis, W Gradl, E Graziani, D Greenwald, Y Guan, C Hadjivasiliou, S Halder, T Hara, O Hartbrich, K Hayasaka, H Hayashii, C Hearty, MT Hedges, I Heredia de la Cruz, M Hernández Villanueva, A Hershenhorn, T Higuchi, EC Hill, M Hoek, C-L Hsu, Y Hu, T Iijima, K Inami, G Inguglia, J Irakkathil Jabbar, A Ishikawa, R Itoh, Y Iwasaki, WW Jacobs, DE Jaffe, E-J Jang, HB Jeon, S Jia, Y Jin, C Joo, KK Joo, J Kahn, H Kakuno, AB Kaliyar, J Kandra, G Karyan, Y Kato, T Kawasaki, BH Kim, C-H Kim, DY Kim, K-H Kim, S-H Kim, YK Kim, Y Kim, TD Kimmel, H Kindo, C Kleinwort, P Kodyš, T Koga, S Kohani, I Komarov, S Korpar, N Kovalchuk, TMG Kraetzschmar, P Križan, R Kroeger, P Krokovny, T Kuhr, J Kumar, M Kumar, R Kumar, K Kumara, S Kurz, A Kuzmin, Y-J Kwon, S Lacaprara, C La Licata, L Lanceri, JS Lange, K Lautenbach, I-S Lee, SC Lee, P Leitl, D Levit, LK Li, YB Li, J Libby, K Lieret, L Li Gioi, Z Liptak, QY Liu, D Liventsev, S Longo, T Luo, Y Maeda, M Maggiora, E Manoni, S Marcello, C Marinas, A Martini, M Masuda, T Matsuda, K Matsuoka, D Matvienko, F Meggendorfer, JC Mei, F Meier, M Merola, F Metzner, M Milesi, C Miller, K Miyabayashi, H Miyake, R Mizuk, K Azmi, GB Mohanty, T Moon, T Morii, H-G Moser, F Mueller, FJ Müller, Th Muller, G Muroyama, R Mussa, E Nakano, M Nakao, M Nayak, G Nazaryan, D Neverov, C Niebuhr, NK Nisar, S Nishida, K Nishimura, M Nishimura, B Oberhof, K Ogawa, Y Onishchuk, H Ono, Y Onuki, P Oskin, H Ozaki, P Pakhlov, G Pakhlova, A Paladino, A Panta, E Paoloni, H Park, B Paschen, A Passeri, A Pathak, S Paul, TK Pedlar, I Peruzzi, R Peschke, R Pestotnik, M Piccolo, LE Piilonen, V Popov, C Praz, E Prencipe, MT Prim, MV Purohit, P Rados, R Rasheed, S Reiter, M Remnev, PK Resmi, I Ripp-Baudot, M Ritter, G Rizzo, LB Rizzuto, SH Robertson, D Rodríguez Pérez, JM Roney, C Rosenfeld, A Rostomyan, N Rout, G Russo, D Sahoo, Y Sakai, S Sandilya, A Sangal, L Santelj, P Sartori, Y Sato, V Savinov, B Scavino, J Schueler, C Schwanda, RM Seddon, Y Seino, A Selce, K Senyo, C Sfienti, CP Shen, J-G Shiu, B Shwartz, A Sibidanov, F Simon, RJ Sobie, A Soffer, A Sokolov, E Solovieva, S Spataro, B Spruck, M Starič, S Stefkova, ZS Stottler, R Stroili, J Strube, M Sumihama, T Sumiyoshi, DJ Summers, SY Suzuki, M Tabata, M Takizawa, U Tamponi, S Tanaka, K Tanida, N Taniguchi, P Taras, F Tenchini, E Torassa, K Trabelsi, T Tsuboyama, M Uchida, K Unger, Y Unno, S Uno, Y Ushiroda, SE Vahsen, R van Tonder, GS Varner, KE Varvell, A Vinokurova, L Vitale, A Vossen, M Wakai, HM Wakeling, W Wan Abdullah, CH Wang, M-Z Wang, A Warburton, M Watanabe, J Webb, S Wehle, C Wessel, J Wiechczynski, H Windel, E Won, B Yabsley, S Yamada, W Yan, SB Yang, H Ye, JH Yin, M Yonenaga, CZ Yuan, Y Yusa, L Zani, Z Zhang, V Zhilich, QD Zhou, XY Zhou, VI ZhukovaThe Belle II Physics Book
Progress of Theoretical and Experimental Physics Oxford University Press (OUP) 2020:2 (2020)
Authors:
E Kou, P Urquijo, W Altmannshofer, F Beaujean, G Bell, M Beneke, II Bigi, F Bishara, M Blanke, C Bobeth, M Bona, N Brambilla, VM Braun, J Brod, AJ Buras, HY Cheng, CW Chiang, M Ciuchini, G Colangelo, A Crivellin, H Czyz, A Datta, F De Fazio, T Deppisch, MJ Dolan, J Evans, S Fajfer, T Feldmann, S Godfrey, M Gronau, Y Grossman, FK Guo, U Haisch, C Hanhart, S Hashimoto, S Hirose, J Hisano, L Hofer, M Hoferichter, WS Hou, T Huber, T Hurth, S Jaeger, S Jahn, M Jamin, J Jones, M Jung, AL Kagan, F Kahlhoefer, JF Kamenik, T Kaneko, Y Kiyo, A Kokulu, N Kosnik, AS Kronfeld, Z Ligeti, H Logan, CD Lu, V Lubicz, F Mahmoudi, K Maltman, S Mishima, M Misiak, K Moats, B Moussallam, A Nefediev, U Nierste, D Nomura, N Offen, SL Olsen, E Passemar, A Paul, G Paz, AA Petrov, A Pich, AD Polosa, J Pradler, S Prelovsek, M Procura, G Ricciardi, DJ Robinson, P Roig, J Rosiek, S Schacht, K Schmidt-Hoberg, J Schwichtenberg, SR Sharpe, J Shigemitsu, D Shih, N Shimizu, Y Shimizu, L Silvestrini, S Simula, C Smith, P Stoffer, D Straub, FJ Tackmann, M Tanaka, A Tayduganov, G Tetlalmatzi-Xolocotzi, T Teubner, A Vairo, D van Dyk, J Virto, Z Was, R Watanabe, I Watson, S Westhoff, J Zupan, R Zwicky, F Abudinén, I Adachi, K Adamczyk, P Ahlburg, H Aihara, A Aloisio, L Andricek, N Anh Ky, M Arndt, DM Asner, H Atmacan, T Aushev, V Aushev, R Ayad, T Aziz, S Baehr, S Bahinipati, P Bambade, Y Ban, M Barrett, J Baudot, P Behera, K Belous, M Bender, J Bennett, M Berger, E Bernieri, FU Bernlochner, M Bessner, D Besson, S Bettarini, V Bhardwaj, B Bhuyan, T Bilka, S Bilmis, S Bilokin, G Bonvicini, A Bozek, M Bračko, P Branchini, N Braun, RA Briere, TE Browder, L Burmistrov, S Bussino, L Cao, G Caria, G Casarosa, C Cecchi, D Červenkov, M-C Chang, P Chang, R Cheaib, V Chekelian, Y Chen, BG Cheon, K Chilikin, K Cho, J Choi, S-K Choi, S Choudhury, D Cinabro, LM Cremaldi, D Cuesta, S Cunliffe, N Dash, E de la Cruz Burelo, E de Lucia, G De Nardo, M De Nuccio, G De Pietro, A De Yta Hernandez, B Deschamps, M Destefanis, S Dey, F Di Capua, S Di Carlo, J Dingfelder, Z Doležal, I Domínguez Jiménez, TV Dong, D Dossett, S Duell, S Eidelman, D Epifanov, JE Fast, T Ferber, S Fiore, A Fodor, F Forti, A Frey, O Frost, BG Fulsom, M Gabriel, N Gabyshev, E Ganiev, X Gao, B Gao, R Garg, A Garmash, V Gaur, A Gaz, T Geßler, U Gebauer, M Gelb, A Gellrich, D Getzkow, R Giordano, A Giri, A Glazov, B Gobbo, R Godang, O Gogota, P Goldenzweig, B Golob, W Gradl, E Graziani, M Greco, D Greenwald, S Gribanov, Y Guan, E Guido, A Guo, S Halder, K Hara, O Hartbrich, T Hauth, K Hayasaka, H Hayashii, C Hearty, I Heredia De La Cruz, M Hernandez Villanueva, A Hershenhorn, T Higuchi, M Hoek, S Hollitt, NT Hong Van, C-L Hsu, Y Hu, K Huang, T Iijima, K Inami, G Inguglia, A Ishikawa, R Itoh, Y Iwasaki, M Iwasaki, P Jackson, WW Jacobs, I Jaegle, HB Jeon, X Ji, S Jia, Y Jin, C Joo, M Künzel, I Kadenko, J Kahn, H Kakuno, AB Kaliyar, J Kandra, KH Kang, Y Kato, T Kawasaki, C Ketter, M Khasmidatul, H Kichimi, JB Kim, KT Kim, HJ Kim, DY Kim, K Kim, Y Kim, TD Kimmel, H Kindo, K Kinoshita, T Konno, A Korobov, S Korpar, D Kotchetkov, R Kowalewski, P Križan, R Kroeger, J-F Krohn, P Krokovny, W Kuehn, T Kuhr, R Kulasiri, M Kumar, R Kumar, T Kumita, A Kuzmin, Y-J Kwon, S Lacaprara, Y-T Lai, K Lalwani, JS Lange, SC Lee, JY Lee, P Leitl, D Levit, S Levonian, S Li, LK Li, Y Li, YB Li, Q Li, L Li Gioi, J Libby, Z Liptak, D Liventsev, S Longo, A Loos, G Lopez Castro, M Lubej, T Lueck, F Luetticke, T Luo, F Müller, Th Müller, C MacQueen, Y Maeda, M Maggiora, S Maity, E Manoni, S Marcello, C Marinas, M Martinez Hernandez, A Martini, D Matvienko, JA McKenna, F Meier, M Merola, F Metzner, C Miller, K Miyabayashi, H Miyake, H Miyata, R Mizuk, GB Mohanty, HK Moon, T Moon, A Morda, T Morii, M Mrvar, G Muroyama, R Mussa, I Nakamura, T Nakano, M Nakao, H Nakayama, H Nakazawa, T Nanut, M Naruki, KJ Nath, M Nayak, N Nellikunnummel, D Neverov, C Niebuhr, J Ninkovic, S Nishida, K Nishimura, M Nouxman, G Nowak, K Ogawa, Y Onishchuk, H Ono, Y Onuki, P Pakhlov, G Pakhlova, B Pal, E Paoloni, H Park, C-S Park, B Paschen, A Passeri, S Paul, TK Pedlar, M Perelló, IM Peruzzi, R Pestotnik, LE Piilonen, L Podesta Lerma, V Popov, K Prasanth, E Prencipe, M Prim, MV Purohit, A Rabusov, R Rasheed, S Reiter, M Remnev, PK Resmi, I Ripp-Baudot, M Ritter, M Ritzert, G Rizzo, L Rizzuto, SH Robertson, D Rodriguez Perez, JM Roney, C Rosenfeld, A Rostomyan, N Rout, S Rummel, G Russo, D Sahoo, Y Sakai, M Salehi, DA Sanders, S Sandilya, A Sangal, L Santelj, J Sasaki, Y Sato, V Savinov, B Scavino, M Schram, H Schreeck, J Schueler, C Schwanda, AJ Schwartz, RM Seddon, Y Seino, K Senyo, O Seon, IS Seong, ME Sevior, C Sfienti, M Shapkin, CP Shen, M Shimomura, J-G Shiu, B Shwartz, A Sibidanov, F Simon, JB Singh, R Sinha, S Skambraks, K Smith, RJ Sobie, A Soffer, A Sokolov, E Solovieva, B Spruck, S Stanič, M Starič, N Starinsky, U Stolzenberg, Z Stottler, R Stroili, JF Strube, J Stypula, M Sumihama, K Sumisawa, T Sumiyoshi, D Summers, W Sutcliffe, SY Suzuki, M Tabata, M Takahashi, M Takizawa, U Tamponi, J Tan, S Tanaka, K Tanida, N Taniguchi, Y Tao, P Taras, G Tejeda Munoz, F Tenchini, U Tippawan, E Torassa, K Trabelsi, T Tsuboyama, M Uchida, S Uehara, T Uglov, Y Unno, S Uno, Y Ushiroda, Y Usov, SE Vahsen, R van Tonder, G Varner, KE Varvell, A Vinokurova, L Vitale, M Vos, A Vossen, E Waheed, H Wakeling, K Wan, M-Z Wang, XL Wang, B Wang, A Warburton, J Webb, S Wehle, C Wessel, J Wiechczynski, P Wieduwilt, E Won, Q Xu, X Xu, BD Yabsley, S Yamada, H Yamamoto, W Yan, W Yan, SB Yang, H Ye, I Yeo, JH Yin, M Yonenaga, T Yoshinobu, W Yuan, CZ Yuan, Y Yusa, S Zakharov, L Zani, M Zeyrek, J Zhang, Y Zhang, Y Zhang, X Zhou, V Zhukova, V Zhulanov, A ZupancMeasurement of the integrated luminosity of the Phase 2 data of the Belle II experiment *
Chinese Physics C IOP Publishing 44:2 (2020) 021001-021001
Authors:
F Abudinén, I Adachi, P Ahlburg, H Aihara, N Akopov, A Aloisio, F Ameli, L Andricek, N Anh Ky, DM Asner, H Atmacan, T Aushev, V Aushev, T Aziz, K Azmi, V Babu, S Baehr, S Bahinipati, AM Bakich, P Bambade, Sw Banerjee, S Bansal, V Bansal, M Barrett, J Baudot, A Beaulieu, J Becker, PK Behera, JV Bennett, E Bernieri, FU Bernlochner, M Bertemes, M Bessner, S Bettarini, V Bhardwaj, F Bianchi, T Bilka, S Bilokin, D Biswas, G Bonvicini, A Bozek, M Bračko, P Branchini, N Braun, TE Browder, A Budano, S Bussino, M Campajola, L Cao, G CasarosaAbstract:
From April to July 2018, a data sample at the peak energy of the γ(4S) resonance was collected with the Belle II detector at the SuperKEKB electron-positron collider. This is the first data sample of the Belle II experiment. Using Bhabha and digamma events, we measure the integrated luminosity of the data sample to be (496.3 ± 0.3 ± 3.0) pb-1, where the first uncertainty is statistical and the second is systematic. This work provides a basis for future luminosity measurements at Belle IISearch for an invisibly decaying $Z^{\prime}$ boson at Belle II in $e^+ e^- \to \mu^+ \mu^- (e^{\pm} \mu^{\mp})$ plus missing energy final states
(2019)