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Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data
descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint 2022Embargo end date: 01 Jan 2022Publisher:arXiv
Authors: Belle II Collaboration; Abudinén, F.; Adachi, I.; Adamczyk, K.; +196 Authors
Belle II Collaboration; Abudinén, F.; Adachi, I.; Adamczyk, K.; Aggarwal, L.; Ahlburg, P.; Ahmed, H.; Ahn, J. K.; Aihara, H.; Akopov, N.; Aloisio, A.; Ameli, F.; Andricek, L.; Ky, N. Anh; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Aushev, V.; Aziz, T.; Babu, V.; Bacher, S.; Bae, H.; Baehr, S.; Bahinipati, S.; Bakich, A. M.; Bambade, P.; Banerjee, Sw.; Bansal, S.; Barrett, M.; Batignani, G.; Baudot, J.; Bauer, M.; Baur, A.; Beaubien, A.; Beaulieu, A.; Becker, J.; Behera, P. K.; Bennett, J. V.; Bernieri, E.; Bernlochner, F. U.; Bertacchi, V.; Bertemes, M.; Bertholet, E.; Bessner, M.; Bettarini, S.; Bhardwaj, V.; Bhuyan, B.; Bianchi, F.; Bilka, T.; Bilokin, S.; Biswas, D.; Bobrov, A.; Bodrov, D.; Bolz, A.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Branchini, P.; Braun, N.; Briere, R. A.; Browder, T. E.; Brown, D. N.; Budano, A.; Burmistrov, L.; Bussino, S.; Campajola, M.; Cao, L.; Casarosa, G.; Cecchi, C.; Červenkov, D.; Chang, M. -C.; Chang, P.; Cheaib, R.; Cheema, P.; Chekelian, V.; Chen, C.; Chen, Y. Q.; Chen, Y. Q.; Chen, Y. -T.; Cheon, B. G.; Chilikin, K.; Chirapatpimol, K.; Cho, H. -E.; Cho, K.; Cho, S. -J.; Choi, S. -K.; Choudhury, S.; Cinabro, D.; Corona, L.; Cremaldi, L. M.; Cunliffe, S.; Czank, T.; Das, S.; Dash, N.; Dattola, F.; De La Cruz-Burelo, E.; De La Motte, S. A.; de Marino, G.; De Nardo, G.; De Nuccio, M.; De Pietro, G.; de Sangro, R.; Deschamps, B.; Destefanis, M.; Dey, S.; De Yta-Hernandez, A.; Dhamija, R.; Di Canto, A.; Di Capua, F.; Di Carlo, S.; Dingfelder, J.; Doležal, Z.; Jiménez, I. Domínguez; Dong, T. V.; Dorigo, M.; Dort, K.; Dossett, D.; Dreyer, S.; Dubey, S.; Duell, S.; Dujany, G.; Ecker, P.; Eidelman, S.; Eliachevitch, M.; Epifanov, D.; Feichtinger, P.; Ferber, T.; Ferlewicz, D.; Fillinger, T.; Finck, C.; Finocchiaro, G.; Fischer, P.; Flood, K.; Fodor, A.; Forti, F.; Frey, A.; Friedl, M.; Fulsom, B. G.; Gabriel, M.; Gabrielli, A.; Gabyshev, N.; Ganiev, E.; Garcia-Hernandez, M.; Garg, R.; Garmash, A.; Gaur, V.; Gaz, A.; Gebauer, U.; Gellrich, A.; Gemmler, J.; Geßler, T.; Ghevondyan, G.; Giakoustidis, G.; Giordano, R.; Giri, A.; Glazov, A.; Gobbo, B.; Godang, R.; Goldenzweig, P.; Golob, B.; Gomis, P.; Gong, G.; Grace, P.; Gradl, W.; Granderath, S.; Graziani, E.; Greenwald, D.; Gu, T.; Guan, Y.; Gudkova, K.; Guilliams, J.; Hadjivasiliou, C.; Halder, S.; Hara, K.; Hara, T.; Hartbrich, O.; Hayasaka, K.; Hayashii, H.; Hazra, S.; Hearty, C.; Hedges, M. T.; de la Cruz, I. Heredia; Villanueva, M. Hernández; Hershenhorn, A.; Higuchi, T.; Hill, E. C.; Hirata, H.; Hoek, M.; Hohmann, M.; Hollitt, S.; Hotta, T.; Hsu, C. -L.; Huang, K.; Humair, T.; Iijima, T.; Inami, K.; Inguglia, G.; Ipsita, N.;
doi: 10.48550/arxiv.2210.10220 , 10.3204/pubdb-2022-07563
arXiv: 2210.10220
doi: 10.48550/arxiv.2210.10220 , 10.3204/pubdb-2022-07563
arXiv: 2210.10220
We measure the photon-energy spectrum in radiative bottom-meson ($B$) decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron collisions corresponding to $189~\mathrm{fb}^{-1}$ of integrated luminosity collected at the $Υ(4S)$ resonance by the Belle II experiment. The partner $B$ candidates are fully reconstructed using a large number of hadronic channels. The $B \rightarrow X_s γ$ partial branching fractions are measured as a function of photon energy in the signal $B$ meson rest frame in eight bins above $1.8~\mathrm{GeV}$. The background-subtracted signal yield for this photon energy region is $343 \pm 122$ events. Integrated branching fractions for three photon energy thresholds of $1.8~\mathrm{GeV}$, $2.0~\mathrm{GeV}$, and $2.1~\mathrm{GeV}$ are also reported, and found to be in agreement with world averages. 14 pages, 3 figures
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Article . 2022
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https://dx.doi.org/10.48550/ar...
Article . 2022
License: CC BY
Data sources: Datacite
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Preprint . 2022
Data sources: arXiv.org e-Print Archive
https://dx.doi.org/10.3204/pub...
Research . 2022
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Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data
descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint 2022Embargo end date: 01 Jan 2022Publisher:arXiv
Authors: Belle II Collaboration; Abudinén, F.; Adachi, I.; Adamczyk, K.; +196 Authors
Belle II Collaboration; Abudinén, F.; Adachi, I.; Adamczyk, K.; Aggarwal, L.; Ahlburg, P.; Ahmed, H.; Ahn, J. K.; Aihara, H.; Akopov, N.; Aloisio, A.; Ameli, F.; Andricek, L.; Ky, N. Anh; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Aushev, V.; Aziz, T.; Babu, V.; Bacher, S.; Bae, H.; Baehr, S.; Bahinipati, S.; Bakich, A. M.; Bambade, P.; Banerjee, Sw.; Bansal, S.; Barrett, M.; Batignani, G.; Baudot, J.; Bauer, M.; Baur, A.; Beaubien, A.; Beaulieu, A.; Becker, J.; Behera, P. K.; Bennett, J. V.; Bernieri, E.; Bernlochner, F. U.; Bertacchi, V.; Bertemes, M.; Bertholet, E.; Bessner, M.; Bettarini, S.; Bhardwaj, V.; Bhuyan, B.; Bianchi, F.; Bilka, T.; Bilokin, S.; Biswas, D.; Bobrov, A.; Bodrov, D.; Bolz, A.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Branchini, P.; Braun, N.; Briere, R. A.; Browder, T. E.; Brown, D. N.; Budano, A.; Burmistrov, L.; Bussino, S.; Campajola, M.; Cao, L.; Casarosa, G.; Cecchi, C.; Červenkov, D.; Chang, M. -C.; Chang, P.; Cheaib, R.; Cheema, P.; Chekelian, V.; Chen, C.; Chen, Y. Q.; Chen, Y. Q.; Chen, Y. -T.; Cheon, B. G.; Chilikin, K.; Chirapatpimol, K.; Cho, H. -E.; Cho, K.; Cho, S. -J.; Choi, S. -K.; Choudhury, S.; Cinabro, D.; Corona, L.; Cremaldi, L. M.; Cunliffe, S.; Czank, T.; Das, S.; Dash, N.; Dattola, F.; De La Cruz-Burelo, E.; De La Motte, S. A.; de Marino, G.; De Nardo, G.; De Nuccio, M.; De Pietro, G.; de Sangro, R.; Deschamps, B.; Destefanis, M.; Dey, S.; De Yta-Hernandez, A.; Dhamija, R.; Di Canto, A.; Di Capua, F.; Di Carlo, S.; Dingfelder, J.; Doležal, Z.; Jiménez, I. Domínguez; Dong, T. V.; Dorigo, M.; Dort, K.; Dossett, D.; Dreyer, S.; Dubey, S.; Duell, S.; Dujany, G.; Ecker, P.; Eidelman, S.; Eliachevitch, M.; Epifanov, D.; Feichtinger, P.; Ferber, T.; Ferlewicz, D.; Fillinger, T.; Finck, C.; Finocchiaro, G.; Fischer, P.; Flood, K.; Fodor, A.; Forti, F.; Frey, A.; Friedl, M.; Fulsom, B. G.; Gabriel, M.; Gabrielli, A.; Gabyshev, N.; Ganiev, E.; Garcia-Hernandez, M.; Garg, R.; Garmash, A.; Gaur, V.; Gaz, A.; Gebauer, U.; Gellrich, A.; Gemmler, J.; Geßler, T.; Ghevondyan, G.; Giakoustidis, G.; Giordano, R.; Giri, A.; Glazov, A.; Gobbo, B.; Godang, R.; Goldenzweig, P.; Golob, B.; Gomis, P.; Gong, G.; Grace, P.; Gradl, W.; Granderath, S.; Graziani, E.; Greenwald, D.; Gu, T.; Guan, Y.; Gudkova, K.; Guilliams, J.; Hadjivasiliou, C.; Halder, S.; Hara, K.; Hara, T.; Hartbrich, O.; Hayasaka, K.; Hayashii, H.; Hazra, S.; Hearty, C.; Hedges, M. T.; de la Cruz, I. Heredia; Villanueva, M. Hernández; Hershenhorn, A.; Higuchi, T.; Hill, E. C.; Hirata, H.; Hoek, M.; Hohmann, M.; Hollitt, S.; Hotta, T.; Hsu, C. -L.; Huang, K.; Humair, T.; Iijima, T.; Inami, K.; Inguglia, G.; Ipsita, N.;
doi: 10.48550/arxiv.2210.10220 , 10.3204/pubdb-2022-07563
arXiv: 2210.10220
doi: 10.48550/arxiv.2210.10220 , 10.3204/pubdb-2022-07563
arXiv: 2210.10220
We measure the photon-energy spectrum in radiative bottom-meson ($B$) decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron collisions corresponding to $189~\mathrm{fb}^{-1}$ of integrated luminosity collected at the $Υ(4S)$ resonance by the Belle II experiment. The partner $B$ candidates are fully reconstructed using a large number of hadronic channels. The $B \rightarrow X_s γ$ partial branching fractions are measured as a function of photon energy in the signal $B$ meson rest frame in eight bins above $1.8~\mathrm{GeV}$. The background-subtracted signal yield for this photon energy region is $343 \pm 122$ events. Integrated branching fractions for three photon energy thresholds of $1.8~\mathrm{GeV}$, $2.0~\mathrm{GeV}$, and $2.1~\mathrm{GeV}$ are also reported, and found to be in agreement with world averages. 14 pages, 3 figures
https://dx.doi.org/1...arrow_drop_down
https://dx.doi.org/10.48550/ar...
Article . 2022
License: CC BY
Data sources: Datacite
arXiv.org e-Print Archive
Preprint . 2022
Data sources: arXiv.org e-Print Archive
https://dx.doi.org/10.3204/pub...
Research . 2022
Data sources: Datacite
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citeCite
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https://dx.doi.org/1...arrow_drop_down
https://dx.doi.org/10.48550/ar...
Article . 2022
License: CC BY
Data sources: Datacite
arXiv.org e-Print Archive
Preprint . 2022
Data sources: arXiv.org e-Print Archive
https://dx.doi.org/10.3204/pub...
Research . 2022
Data sources: Datacite
linkLink to
shareshareShare
citeCite
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Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

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Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

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Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Energy Research
EGI Federation