Search for the Rare Decays $B^0_s\to e^+e^-$ and $B^0\to e^+e^-
A search for the decays Bs0→e+e- and B0→e+e- is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2 fb-1, respectively. No signal is observed. Assuming no contribu...
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| Veröffentlicht in: | Physical review letters 2020, Vol.124 (21) |
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| creator | Aaij, Roel Abellán Beteta, Carlos Ackernley, Thomas Adeva, Bernardo Adinolfi, Marco Afsharnia, Hossein Aidala, Christine Angela Aiola, Salvatore Ajaltouni, Ziad Akar, Simon Albicocco, Pietro Albrecht, Johannes Alessio, Federico Alexander, Michael Alfonso Albero, Alejandro Alkhazov, Georgy Alvarez Cartelle, Paula Alves, Antonio Augusto Amato, Sandra Amhis, Yasmine An, Liupan Anderlini, Lucio Andreassi, Guido Andreotti, Mirco Archilli, Flavio Artamonov, Alexander Artuso, Marina Arzymatov, Kenenbek Aslanides, Elie Atzeni, Michele Audurier, Benjamin Bachmann, Sebastian Back, John Baker, Sophie Balagura, Vladislav Baldini, Wander Baranov, Alexander Barlow, Roger Barsuk, Sergey Barter, William Bartolini, Matteo Baryshnikov, Fedor Basels, Jan-Marc Bassi, Giovanni Batozskaya, Varvara Batsukh, Baasansuren Battig, Alexander Bay, Aurelio Becker, Maik Bedeschi, Franco Bediaga, Ignacio Beiter, Andrew Belavin, Vladislav Belin, Samuel Bellee, Violaine Belous, Konstantin Belyaev, Ivan Bencivenni, Giovanni Ben-Haim, Eli Benson, Sean Berezhnoy, Alexander Bernet, Roland Berninghoff, Daniel Bernstein, Harris Conan Bertella, Claudia Bertholet, Emilie Bertolin, Alessandro Betancourt, Christopher Betti, Federico Bettler, Marc-Olivier Bezshyiko, Iaroslava Bhasin, Srishti Bhom, Jihyun Bieker, Martin Stefan Bifani, Simone Billoir, Pierre Bizzeti, Andrea Bjørn, Mikkel Blago, Michele Piero Blake, Thomas Blanc, Frederic Blusk, Steven Bobulska, Dana Bocci, Valerio Boente Garcia, Oscar Boettcher, Thomas Boldyrev, Alexey Bondar, Alexander Bondar, Nikolay Borghi, Silvia Borisyak, Maxim Borsato, Martino Borsuk, Jozef Tomasz Bowcock, Themistocles Bozzi, Concezio Bradley, Matthew John Braun, Svende Brea Rodriguez, Alexandre Brodski, Michael Brodzicka, Jolanta |
| description | A search for the decays Bs0→e+e- and B0→e+e- is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2 fb-1, respectively. No signal is observed. Assuming no contribution from B0→e+e- decays, an upper limit on the branching fraction B(Bs0→e+e-) |
| doi_str_mv | 10.1103/PhysRevLett.124.211802 |
| format | Article |
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No signal is observed. Assuming no contribution from B0→e+e- decays, an upper limit on the branching fraction B(Bs0→e+e-)<9.4(11.2)×10-9 is obtained at 90(95)% confidence level. If no Bs0→e+e- contribution is assumed, a limit of B(B0→e+e-)<2.5(3.0)×10-9 is determined at 90(95)% confidence level. 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No signal is observed. Assuming no contribution from B0→e+e- decays, an upper limit on the branching fraction B(Bs0→e+e-)<9.4(11.2)×10-9 is obtained at 90(95)% confidence level. If no Bs0→e+e- contribution is assumed, a limit of B(B0→e+e-)<2.5(3.0)×10-9 is determined at 90(95)% confidence level. 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Berezhnoy, Alexander ; Bernet, Roland ; Berninghoff, Daniel ; Bernstein, Harris Conan ; Bertella, Claudia ; Bertholet, Emilie ; Bertolin, Alessandro ; Betancourt, Christopher ; Betti, Federico ; Bettler, Marc-Olivier ; Bezshyiko, Iaroslava ; Bhasin, Srishti ; Bhom, Jihyun ; Bieker, Martin Stefan ; Bifani, Simone ; Billoir, Pierre ; Bizzeti, Andrea ; Bjørn, Mikkel ; Blago, Michele Piero ; Blake, Thomas ; Blanc, Frederic ; Blusk, Steven ; Bobulska, Dana ; Bocci, Valerio ; Boente Garcia, Oscar ; Boettcher, Thomas ; Boldyrev, Alexey ; Bondar, Alexander ; Bondar, Nikolay ; Borghi, Silvia ; Borisyak, Maxim ; Borsato, Martino ; Borsuk, Jozef Tomasz ; Bowcock, Themistocles ; Bozzi, Concezio ; Bradley, Matthew John ; Braun, Svende ; Brea Rodriguez, Alexandre ; Brodski, Michael ; Brodzicka, 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Federico</creatorcontrib><creatorcontrib>Alexander, Michael</creatorcontrib><creatorcontrib>Alfonso Albero, Alejandro</creatorcontrib><creatorcontrib>Alkhazov, Georgy</creatorcontrib><creatorcontrib>Alvarez Cartelle, Paula</creatorcontrib><creatorcontrib>Alves, Antonio Augusto</creatorcontrib><creatorcontrib>Amato, Sandra</creatorcontrib><creatorcontrib>Amhis, Yasmine</creatorcontrib><creatorcontrib>An, Liupan</creatorcontrib><creatorcontrib>Anderlini, Lucio</creatorcontrib><creatorcontrib>Andreassi, Guido</creatorcontrib><creatorcontrib>Andreotti, Mirco</creatorcontrib><creatorcontrib>Archilli, Flavio</creatorcontrib><creatorcontrib>Artamonov, Alexander</creatorcontrib><creatorcontrib>Artuso, Marina</creatorcontrib><creatorcontrib>Arzymatov, Kenenbek</creatorcontrib><creatorcontrib>Aslanides, Elie</creatorcontrib><creatorcontrib>Atzeni, Michele</creatorcontrib><creatorcontrib>Audurier, Benjamin</creatorcontrib><creatorcontrib>Bachmann, Sebastian</creatorcontrib><creatorcontrib>Back, John</creatorcontrib><creatorcontrib>Baker, Sophie</creatorcontrib><creatorcontrib>Balagura, Vladislav</creatorcontrib><creatorcontrib>Baldini, Wander</creatorcontrib><creatorcontrib>Baranov, Alexander</creatorcontrib><creatorcontrib>Barlow, Roger</creatorcontrib><creatorcontrib>Barsuk, Sergey</creatorcontrib><creatorcontrib>Barter, William</creatorcontrib><creatorcontrib>Bartolini, Matteo</creatorcontrib><creatorcontrib>Baryshnikov, Fedor</creatorcontrib><creatorcontrib>Basels, Jan-Marc</creatorcontrib><creatorcontrib>Bassi, Giovanni</creatorcontrib><creatorcontrib>Batozskaya, Varvara</creatorcontrib><creatorcontrib>Batsukh, Baasansuren</creatorcontrib><creatorcontrib>Battig, Alexander</creatorcontrib><creatorcontrib>Bay, Aurelio</creatorcontrib><creatorcontrib>Becker, Maik</creatorcontrib><creatorcontrib>Bedeschi, Franco</creatorcontrib><creatorcontrib>Bediaga, Ignacio</creatorcontrib><creatorcontrib>Beiter, Andrew</creatorcontrib><creatorcontrib>Belavin, Vladislav</creatorcontrib><creatorcontrib>Belin, Samuel</creatorcontrib><creatorcontrib>Bellee, Violaine</creatorcontrib><creatorcontrib>Belous, Konstantin</creatorcontrib><creatorcontrib>Belyaev, Ivan</creatorcontrib><creatorcontrib>Bencivenni, Giovanni</creatorcontrib><creatorcontrib>Ben-Haim, Eli</creatorcontrib><creatorcontrib>Benson, Sean</creatorcontrib><creatorcontrib>Berezhnoy, Alexander</creatorcontrib><creatorcontrib>Bernet, Roland</creatorcontrib><creatorcontrib>Berninghoff, Daniel</creatorcontrib><creatorcontrib>Bernstein, Harris Conan</creatorcontrib><creatorcontrib>Bertella, Claudia</creatorcontrib><creatorcontrib>Bertholet, Emilie</creatorcontrib><creatorcontrib>Bertolin, Alessandro</creatorcontrib><creatorcontrib>Betancourt, Christopher</creatorcontrib><creatorcontrib>Betti, Federico</creatorcontrib><creatorcontrib>Bettler, Marc-Olivier</creatorcontrib><creatorcontrib>Bezshyiko, Iaroslava</creatorcontrib><creatorcontrib>Bhasin, Srishti</creatorcontrib><creatorcontrib>Bhom, Jihyun</creatorcontrib><creatorcontrib>Bieker, Martin Stefan</creatorcontrib><creatorcontrib>Bifani, Simone</creatorcontrib><creatorcontrib>Billoir, Pierre</creatorcontrib><creatorcontrib>Bizzeti, Andrea</creatorcontrib><creatorcontrib>Bjørn, Mikkel</creatorcontrib><creatorcontrib>Blago, Michele Piero</creatorcontrib><creatorcontrib>Blake, Thomas</creatorcontrib><creatorcontrib>Blanc, Frederic</creatorcontrib><creatorcontrib>Blusk, Steven</creatorcontrib><creatorcontrib>Bobulska, Dana</creatorcontrib><creatorcontrib>Bocci, Valerio</creatorcontrib><creatorcontrib>Boente Garcia, Oscar</creatorcontrib><creatorcontrib>Boettcher, Thomas</creatorcontrib><creatorcontrib>Boldyrev, Alexey</creatorcontrib><creatorcontrib>Bondar, Alexander</creatorcontrib><creatorcontrib>Bondar, Nikolay</creatorcontrib><creatorcontrib>Borghi, Silvia</creatorcontrib><creatorcontrib>Borisyak, Maxim</creatorcontrib><creatorcontrib>Borsato, Martino</creatorcontrib><creatorcontrib>Borsuk, Jozef Tomasz</creatorcontrib><creatorcontrib>Bowcock, Themistocles</creatorcontrib><creatorcontrib>Bozzi, Concezio</creatorcontrib><creatorcontrib>Bradley, Matthew John</creatorcontrib><creatorcontrib>Braun, Svende</creatorcontrib><creatorcontrib>Brea Rodriguez, Alexandre</creatorcontrib><creatorcontrib>Brodski, Michael</creatorcontrib><creatorcontrib>Brodzicka, Jolanta</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aaij, Roel</au><au>Abellán Beteta, Carlos</au><au>Ackernley, Thomas</au><au>Adeva, Bernardo</au><au>Adinolfi, Marco</au><au>Afsharnia, Hossein</au><au>Aidala, Christine Angela</au><au>Aiola, Salvatore</au><au>Ajaltouni, Ziad</au><au>Akar, Simon</au><au>Albicocco, Pietro</au><au>Albrecht, Johannes</au><au>Alessio, Federico</au><au>Alexander, Michael</au><au>Alfonso Albero, Alejandro</au><au>Alkhazov, Georgy</au><au>Alvarez Cartelle, Paula</au><au>Alves, Antonio Augusto</au><au>Amato, Sandra</au><au>Amhis, Yasmine</au><au>An, Liupan</au><au>Anderlini, Lucio</au><au>Andreassi, Guido</au><au>Andreotti, Mirco</au><au>Archilli, Flavio</au><au>Artamonov, Alexander</au><au>Artuso, Marina</au><au>Arzymatov, Kenenbek</au><au>Aslanides, Elie</au><au>Atzeni, Michele</au><au>Audurier, Benjamin</au><au>Bachmann, Sebastian</au><au>Back, John</au><au>Baker, Sophie</au><au>Balagura, Vladislav</au><au>Baldini, Wander</au><au>Baranov, Alexander</au><au>Barlow, Roger</au><au>Barsuk, Sergey</au><au>Barter, William</au><au>Bartolini, Matteo</au><au>Baryshnikov, Fedor</au><au>Basels, Jan-Marc</au><au>Bassi, Giovanni</au><au>Batozskaya, Varvara</au><au>Batsukh, Baasansuren</au><au>Battig, Alexander</au><au>Bay, Aurelio</au><au>Becker, Maik</au><au>Bedeschi, Franco</au><au>Bediaga, Ignacio</au><au>Beiter, Andrew</au><au>Belavin, Vladislav</au><au>Belin, Samuel</au><au>Bellee, Violaine</au><au>Belous, Konstantin</au><au>Belyaev, Ivan</au><au>Bencivenni, Giovanni</au><au>Ben-Haim, Eli</au><au>Benson, Sean</au><au>Berezhnoy, Alexander</au><au>Bernet, Roland</au><au>Berninghoff, Daniel</au><au>Bernstein, Harris Conan</au><au>Bertella, Claudia</au><au>Bertholet, Emilie</au><au>Bertolin, Alessandro</au><au>Betancourt, Christopher</au><au>Betti, Federico</au><au>Bettler, Marc-Olivier</au><au>Bezshyiko, Iaroslava</au><au>Bhasin, Srishti</au><au>Bhom, Jihyun</au><au>Bieker, Martin Stefan</au><au>Bifani, Simone</au><au>Billoir, Pierre</au><au>Bizzeti, Andrea</au><au>Bjørn, Mikkel</au><au>Blago, Michele Piero</au><au>Blake, Thomas</au><au>Blanc, Frederic</au><au>Blusk, Steven</au><au>Bobulska, Dana</au><au>Bocci, Valerio</au><au>Boente Garcia, Oscar</au><au>Boettcher, Thomas</au><au>Boldyrev, Alexey</au><au>Bondar, Alexander</au><au>Bondar, Nikolay</au><au>Borghi, Silvia</au><au>Borisyak, Maxim</au><au>Borsato, Martino</au><au>Borsuk, Jozef Tomasz</au><au>Bowcock, Themistocles</au><au>Bozzi, Concezio</au><au>Bradley, Matthew John</au><au>Braun, Svende</au><au>Brea Rodriguez, Alexandre</au><au>Brodski, Michael</au><au>Brodzicka, Jolanta</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Search for the Rare Decays $B^0_s\to e^+e^-$ and $B^0\to e^+e^-</atitle><jtitle>Physical review letters</jtitle><date>2020</date><risdate>2020</risdate><volume>124</volume><issue>21</issue><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>A search for the decays Bs0→e+e- and B0→e+e- is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2 fb-1, respectively. No signal is observed. Assuming no contribution from B0→e+e- decays, an upper limit on the branching fraction B(Bs0→e+e-)<9.4(11.2)×10-9 is obtained at 90(95)% confidence level. If no Bs0→e+e- contribution is assumed, a limit of B(B0→e+e-)<2.5(3.0)×10-9 is determined at 90(95)% confidence level. These upper limits are more than one order of magnitude lower than the previous values.</abstract><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.124.211802</doi><orcidid>https://orcid.org/0000-0001-7194-7566</orcidid><orcidid>https://orcid.org/0000-0001-7176-2692</orcidid><orcidid>https://orcid.org/0000-0002-3411-989X</orcidid><orcidid>https://orcid.org/0000-0002-5732-4343</orcidid><orcidid>https://orcid.org/0000-0001-9905-8031</orcidid><orcidid>https://orcid.org/0000-0003-1015-9560</orcidid><orcidid>https://orcid.org/0000-0002-0656-9033</orcidid><orcidid>https://orcid.org/0000-0002-4111-0797</orcidid><orcidid>https://orcid.org/0000-0002-6587-4695</orcidid><orcidid>https://orcid.org/0000-0001-9777-881X</orcidid><orcidid>https://orcid.org/0000-0001-9762-5821</orcidid><orcidid>https://orcid.org/0000-0001-9341-8083</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2020, Vol.124 (21) |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_02518047v1 |
| source | American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | High Energy Physics - Experiment Physics |
| title | Search for the Rare Decays $B^0_s\to e^+e^-$ and $B^0\to e^+e^- |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-19T07%3A28%3A01IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-hal&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Search%20for%20the%20Rare%20Decays%20$B%5E0_s%5Cto%20e%5E+e%5E-$%20and%20$B%5E0%5Cto%20e%5E+e%5E-&rft.jtitle=Physical%20review%20letters&rft.au=Aaij,%20Roel&rft.date=2020&rft.volume=124&rft.issue=21&rft.issn=0031-9007&rft.eissn=1079-7114&rft_id=info:doi/10.1103/PhysRevLett.124.211802&rft_dat=%3Chal%3Eoai_HAL_hal_02518047v1%3C/hal%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |