Observation of the suppressed Λb0 → DpK- decay with D → K+ π- and measurement of its CP asymmetry
A study of A(b)(0) baryon decays to the DpK(-) final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9 fb(-1) collected with the LHCb detector. Two A(b)(0) decays are considered, A(b)(0) -> DpK(-) with D -> K-pi(+) and D -> K+pi...
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| Veröffentlicht in: | Phys.Rev.D 2021-12, Vol.104 (11), Article 112008 |
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| creator | Aaij, R. Abdelmotteleb, A. S. W. Beteta, C. Abellan Gallego, F. J. Abudinen Ackernley, T. Adeva, B. Adinolfi, M. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Aiola, S. Ajaltouni, Z. Akar, S. Albrecht, J. Alessio, F. Alexander, M. Alfonso Albero, A. Aliouche, Z. Alkhazov, G. Cartelle, P. Alvarez Amato, S. Amey, J. L. Amhis, Y. An, L. Anderlini, L. Andreianov, A. Andreotti, M. Archilli, F. Artamonov, A. Artuso, M. Arzymatov, K. Aslanides, E. Atzeni, M. Audurier, B. Bachmann, S. Bachmayer, M. Back, J. J. Baladron Rodriguez, P. Balagura Baldini, W. Leite, J. Baptista Barbetti, M. Barlow, R. J. Barsuk, S. Barter, W. Bartolini, M. Baryshnikov, F. Basels, J. M. Bashir, S. Bassi, G. Batsukh, B. Battig, A. Bay, A. Beck, A. Becker, M. Bedeschi, F. Bediaga Beiter, A. Belavin Belin, S. Bellee Belous, K. Belov Belyaev Bencivenni, G. Ben-Haim, E. Berezhnoy, A. Bernet, R. Berninghoff, D. Bernstein, H. C. Bertella, C. Bertolin, A. Betancourt, C. Betti, F. Bezshyiko, Ia Bhasin, S. Bhom, J. Bian, L. Bieker, M. S. Bifani, S. Billoir, P. Birch, M. Bishop, F. C. R. Bitadze, A. Bizzeti, A. Bjorn, M. Blago, M. P. Blake, T. Blanc, F. Blusk, S. Bobulska, D. Boelhauve, J. A. Boente Garcia, O. Boettcher, T. Boldyrev, A. Bondar, A. Bondar, N. Borghi, S. Borisyak, M. Borsato, M. |
| description | A study of A(b)(0) baryon decays to the DpK(-) final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9 fb(-1) collected with the LHCb detector. Two A(b)(0) decays are considered, A(b)(0) -> DpK(-) with D -> K-pi(+) and D -> K+pi(-), where D represents a superposition of D-0 and over bar D-0 states. The latter process is expected to be suppressed relative to the former, and is observed for the first time. The ratio of branching fractions of the two decays is measured, and the CP asymmetry of the suppressed mode, which is sensitive to the Cabibbo-Kobayashi-Maskawa angle gamma, is also reported. |
| doi_str_mv | 10.1103/PhysRevD.104.112008 |
| format | Article |
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A.</creatorcontrib><creatorcontrib>Boente Garcia, O.</creatorcontrib><creatorcontrib>Boettcher, T.</creatorcontrib><creatorcontrib>Boldyrev, A.</creatorcontrib><creatorcontrib>Bondar, A.</creatorcontrib><creatorcontrib>Bondar, N.</creatorcontrib><creatorcontrib>Borghi, S.</creatorcontrib><creatorcontrib>Borisyak, M.</creatorcontrib><creatorcontrib>Borsato, M.</creatorcontrib><creatorcontrib>LHCb Collaboration</creatorcontrib><creatorcontrib>Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)</creatorcontrib><title>Observation of the suppressed Λb0 → DpK- decay with D → K+ π- and measurement of its CP asymmetry</title><title>Phys.Rev.D</title><addtitle>PHYS REV D</addtitle><description>A study of A(b)(0) baryon decays to the DpK(-) final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9 fb(-1) collected with the LHCb detector. Two A(b)(0) decays are considered, A(b)(0) -> DpK(-) with D -> K-pi(+) and D -> K+pi(-), where D represents a superposition of D-0 and over bar D-0 states. The latter process is expected to be suppressed relative to the former, and is observed for the first time. The ratio of branching fractions of the two decays is measured, and the CP asymmetry of the suppressed mode, which is sensitive to the Cabibbo-Kobayashi-Maskawa angle gamma, is also reported.</description><subject>Astronomy & Astrophysics</subject><subject>High Energy Physics - Experiment</subject><subject>Physical Sciences</subject><subject>Physics</subject><subject>Physics, Particles & Fields</subject><subject>Science & Technology</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>HGBXW</sourceid><recordid>eNqNkM1Kw0AUhYMoKOoTuBnciaTeyUwzM8uS-oeFFtF1mExuTMQkJTNtyc6VD-DWd9J38EmctuLa1T0cvnO4nCA4oTCgFNjFrOztPS7HAwrcOxGA3AkOIi4gBIjU7p-msB8cW_sMXsagBKUHwdM0s9gttavahrQFcSUSu5jPO7QWc_L5kQH5fnsn4_ldSHI0uierypVkvHHvzsnXa0h0k5MatV10WGPj1j2VsySZEW37ukbX9UfBXqFfLB7_3sPg8eryIbkJJ9Pr22Q0CcuIxi5UVEYcmQCWKc7iQmfaaOEfzouCC6al1KJQVOV6KOM4M5xzFcVKGgCDueTsMDjd9rbWVak1lUNTmrZp0LiUKhkJBR4620KlfknnXVXrrk9bXaU3o0m69oCxIZWCLaln5ZZdYdYWvhAbg38h_5ngMYsjvzoASyq3WTJpF43z0fP_R9kPiUeKNg</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Aaij, R.</creator><creator>Abdelmotteleb, A. 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A.</creator><creator>Boente Garcia, O.</creator><creator>Boettcher, T.</creator><creator>Boldyrev, A.</creator><creator>Bondar, A.</creator><creator>Bondar, N.</creator><creator>Borghi, S.</creator><creator>Borisyak, M.</creator><creator>Borsato, M.</creator><general>Amer Physical Soc</general><general>American Physical Society (APS)</general><scope>BLEPL</scope><scope>DTL</scope><scope>HGBXW</scope><scope>1XC</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-6704-6914</orcidid><orcidid>https://orcid.org/0000-0001-5760-2924</orcidid><orcidid>https://orcid.org/0000-0002-0023-3897</orcidid><orcidid>https://orcid.org/0000-0003-0014-2589</orcidid><orcidid>https://orcid.org/0000-0003-1393-4315</orcidid><orcidid>https://orcid.org/0000-0002-5089-5338</orcidid><orcidid>https://orcid.org/0000-0001-7072-4854</orcidid><orcidid>https://orcid.org/0000-0001-5775-3132</orcidid><orcidid>https://orcid.org/0000-0002-2395-235X</orcidid><orcidid>https://orcid.org/0000-0002-1493-0319</orcidid><orcidid>https://orcid.org/0000-0002-0146-0717</orcidid><orcidid>https://orcid.org/0000-0001-8636-1621</orcidid><orcidid>https://orcid.org/0000-0001-7658-8777</orcidid><orcidid>https://orcid.org/0000-0001-7979-1092</orcidid><orcidid>https://orcid.org/0000-0001-9886-7427</orcidid><orcidid>https://orcid.org/0000-0001-9170-684X</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/0000-0003-1015-9560</orcidid><orcidid>https://orcid.org/0000-0002-0656-9033</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><orcidid>https://orcid.org/0000000332726001</orcidid></search><sort><creationdate>20211201</creationdate><title>Observation of the suppressed Λb0 → DpK- decay with D → K+ π- and measurement of its CP asymmetry</title><author>Aaij, R. ; Abdelmotteleb, A. S. W. ; Beteta, C. Abellan ; Gallego, F. J. Abudinen ; Ackernley, T. ; Adeva, B. ; Adinolfi, M. ; Afsharnia, H. ; Agapopoulou, C. ; Aidala, C. A. ; Aiola, S. ; Ajaltouni, Z. ; Akar, S. ; Albrecht, J. ; Alessio, F. ; Alexander, M. ; Alfonso Albero, A. ; Aliouche, Z. ; Alkhazov, G. ; Cartelle, P. Alvarez ; Amato, S. ; Amey, J. L. ; Amhis, Y. ; An, L. ; Anderlini, L. ; Andreianov, A. ; Andreotti, M. ; Archilli, F. ; Artamonov, A. ; Artuso, M. ; Arzymatov, K. ; Aslanides, E. ; Atzeni, M. ; Audurier, B. ; Bachmann, S. ; Bachmayer, M. ; Back, J. J. ; Baladron Rodriguez, P. ; Balagura ; Baldini, W. ; Leite, J. Baptista ; Barbetti, M. ; Barlow, R. J. ; Barsuk, S. ; Barter, W. ; Bartolini, M. ; Baryshnikov, F. ; Basels, J. M. ; Bashir, S. ; Bassi, G. ; Batsukh, B. ; Battig, A. ; Bay, A. ; Beck, A. ; Becker, M. ; Bedeschi, F. ; Bediaga ; Beiter, A. ; Belavin ; Belin, S. ; Bellee ; Belous, K. ; Belov ; Belyaev ; Bencivenni, G. ; Ben-Haim, E. ; Berezhnoy, A. ; Bernet, R. ; Berninghoff, D. ; Bernstein, H. C. ; Bertella, C. ; Bertolin, A. ; Betancourt, C. ; Betti, F. ; Bezshyiko, Ia ; Bhasin, S. ; Bhom, J. ; Bian, L. ; Bieker, M. S. ; Bifani, S. ; Billoir, P. ; Birch, M. ; Bishop, F. C. R. ; Bitadze, A. ; Bizzeti, A. ; Bjorn, M. ; Blago, M. P. ; Blake, T. ; Blanc, F. ; Blusk, S. ; Bobulska, D. ; Boelhauve, J. A. ; Boente Garcia, O. ; Boettcher, T. ; Boldyrev, A. ; Bondar, A. ; Bondar, N. ; Borghi, S. ; Borisyak, M. ; Borsato, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-h216t-91824e3703b9436fabaca7000dff473a88a7f919da5866bc44492698c00ced843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Astronomy & Astrophysics</topic><topic>High Energy Physics - Experiment</topic><topic>Physical Sciences</topic><topic>Physics</topic><topic>Physics, Particles & Fields</topic><topic>Science & Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aaij, R.</creatorcontrib><creatorcontrib>Abdelmotteleb, A. S. W.</creatorcontrib><creatorcontrib>Beteta, C. Abellan</creatorcontrib><creatorcontrib>Gallego, F. J. Abudinen</creatorcontrib><creatorcontrib>Ackernley, T.</creatorcontrib><creatorcontrib>Adeva, B.</creatorcontrib><creatorcontrib>Adinolfi, M.</creatorcontrib><creatorcontrib>Afsharnia, H.</creatorcontrib><creatorcontrib>Agapopoulou, C.</creatorcontrib><creatorcontrib>Aidala, C. A.</creatorcontrib><creatorcontrib>Aiola, S.</creatorcontrib><creatorcontrib>Ajaltouni, Z.</creatorcontrib><creatorcontrib>Akar, S.</creatorcontrib><creatorcontrib>Albrecht, J.</creatorcontrib><creatorcontrib>Alessio, F.</creatorcontrib><creatorcontrib>Alexander, M.</creatorcontrib><creatorcontrib>Alfonso Albero, A.</creatorcontrib><creatorcontrib>Aliouche, Z.</creatorcontrib><creatorcontrib>Alkhazov, G.</creatorcontrib><creatorcontrib>Cartelle, P. Alvarez</creatorcontrib><creatorcontrib>Amato, S.</creatorcontrib><creatorcontrib>Amey, J. L.</creatorcontrib><creatorcontrib>Amhis, Y.</creatorcontrib><creatorcontrib>An, L.</creatorcontrib><creatorcontrib>Anderlini, L.</creatorcontrib><creatorcontrib>Andreianov, A.</creatorcontrib><creatorcontrib>Andreotti, M.</creatorcontrib><creatorcontrib>Archilli, F.</creatorcontrib><creatorcontrib>Artamonov, A.</creatorcontrib><creatorcontrib>Artuso, M.</creatorcontrib><creatorcontrib>Arzymatov, K.</creatorcontrib><creatorcontrib>Aslanides, E.</creatorcontrib><creatorcontrib>Atzeni, M.</creatorcontrib><creatorcontrib>Audurier, B.</creatorcontrib><creatorcontrib>Bachmann, S.</creatorcontrib><creatorcontrib>Bachmayer, M.</creatorcontrib><creatorcontrib>Back, J. J.</creatorcontrib><creatorcontrib>Baladron Rodriguez, P.</creatorcontrib><creatorcontrib>Balagura</creatorcontrib><creatorcontrib>Baldini, W.</creatorcontrib><creatorcontrib>Leite, J. Baptista</creatorcontrib><creatorcontrib>Barbetti, M.</creatorcontrib><creatorcontrib>Barlow, R. 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C.</creatorcontrib><creatorcontrib>Bertella, C.</creatorcontrib><creatorcontrib>Bertolin, A.</creatorcontrib><creatorcontrib>Betancourt, C.</creatorcontrib><creatorcontrib>Betti, F.</creatorcontrib><creatorcontrib>Bezshyiko, Ia</creatorcontrib><creatorcontrib>Bhasin, S.</creatorcontrib><creatorcontrib>Bhom, J.</creatorcontrib><creatorcontrib>Bian, L.</creatorcontrib><creatorcontrib>Bieker, M. S.</creatorcontrib><creatorcontrib>Bifani, S.</creatorcontrib><creatorcontrib>Billoir, P.</creatorcontrib><creatorcontrib>Birch, M.</creatorcontrib><creatorcontrib>Bishop, F. C. R.</creatorcontrib><creatorcontrib>Bitadze, A.</creatorcontrib><creatorcontrib>Bizzeti, A.</creatorcontrib><creatorcontrib>Bjorn, M.</creatorcontrib><creatorcontrib>Blago, M. P.</creatorcontrib><creatorcontrib>Blake, T.</creatorcontrib><creatorcontrib>Blanc, F.</creatorcontrib><creatorcontrib>Blusk, S.</creatorcontrib><creatorcontrib>Bobulska, D.</creatorcontrib><creatorcontrib>Boelhauve, J. A.</creatorcontrib><creatorcontrib>Boente Garcia, O.</creatorcontrib><creatorcontrib>Boettcher, T.</creatorcontrib><creatorcontrib>Boldyrev, A.</creatorcontrib><creatorcontrib>Bondar, A.</creatorcontrib><creatorcontrib>Bondar, N.</creatorcontrib><creatorcontrib>Borghi, S.</creatorcontrib><creatorcontrib>Borisyak, M.</creatorcontrib><creatorcontrib>Borsato, M.</creatorcontrib><creatorcontrib>LHCb Collaboration</creatorcontrib><creatorcontrib>Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)</creatorcontrib><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 2021</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV</collection><jtitle>Phys.Rev.D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aaij, R.</au><au>Abdelmotteleb, A. S. W.</au><au>Beteta, C. Abellan</au><au>Gallego, F. J. Abudinen</au><au>Ackernley, T.</au><au>Adeva, B.</au><au>Adinolfi, M.</au><au>Afsharnia, H.</au><au>Agapopoulou, C.</au><au>Aidala, C. A.</au><au>Aiola, S.</au><au>Ajaltouni, Z.</au><au>Akar, S.</au><au>Albrecht, J.</au><au>Alessio, F.</au><au>Alexander, M.</au><au>Alfonso Albero, A.</au><au>Aliouche, Z.</au><au>Alkhazov, G.</au><au>Cartelle, P. Alvarez</au><au>Amato, S.</au><au>Amey, J. L.</au><au>Amhis, Y.</au><au>An, L.</au><au>Anderlini, L.</au><au>Andreianov, A.</au><au>Andreotti, M.</au><au>Archilli, F.</au><au>Artamonov, A.</au><au>Artuso, M.</au><au>Arzymatov, K.</au><au>Aslanides, E.</au><au>Atzeni, M.</au><au>Audurier, B.</au><au>Bachmann, S.</au><au>Bachmayer, M.</au><au>Back, J. J.</au><au>Baladron Rodriguez, P.</au><au>Balagura</au><au>Baldini, W.</au><au>Leite, J. Baptista</au><au>Barbetti, M.</au><au>Barlow, R. J.</au><au>Barsuk, S.</au><au>Barter, W.</au><au>Bartolini, M.</au><au>Baryshnikov, F.</au><au>Basels, J. M.</au><au>Bashir, S.</au><au>Bassi, G.</au><au>Batsukh, B.</au><au>Battig, A.</au><au>Bay, A.</au><au>Beck, A.</au><au>Becker, M.</au><au>Bedeschi, F.</au><au>Bediaga</au><au>Beiter, A.</au><au>Belavin</au><au>Belin, S.</au><au>Bellee</au><au>Belous, K.</au><au>Belov</au><au>Belyaev</au><au>Bencivenni, G.</au><au>Ben-Haim, E.</au><au>Berezhnoy, A.</au><au>Bernet, R.</au><au>Berninghoff, D.</au><au>Bernstein, H. C.</au><au>Bertella, C.</au><au>Bertolin, A.</au><au>Betancourt, C.</au><au>Betti, F.</au><au>Bezshyiko, Ia</au><au>Bhasin, S.</au><au>Bhom, J.</au><au>Bian, L.</au><au>Bieker, M. S.</au><au>Bifani, S.</au><au>Billoir, P.</au><au>Birch, M.</au><au>Bishop, F. C. R.</au><au>Bitadze, A.</au><au>Bizzeti, A.</au><au>Bjorn, M.</au><au>Blago, M. P.</au><au>Blake, T.</au><au>Blanc, F.</au><au>Blusk, S.</au><au>Bobulska, D.</au><au>Boelhauve, J. A.</au><au>Boente Garcia, O.</au><au>Boettcher, T.</au><au>Boldyrev, A.</au><au>Bondar, A.</au><au>Bondar, N.</au><au>Borghi, S.</au><au>Borisyak, M.</au><au>Borsato, M.</au><aucorp>LHCb Collaboration</aucorp><aucorp>Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of the suppressed Λb0 → DpK- decay with D → K+ π- and measurement of its CP asymmetry</atitle><jtitle>Phys.Rev.D</jtitle><stitle>PHYS REV D</stitle><date>2021-12-01</date><risdate>2021</risdate><volume>104</volume><issue>11</issue><artnum>112008</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>A study of A(b)(0) baryon decays to the DpK(-) final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9 fb(-1) collected with the LHCb detector. Two A(b)(0) decays are considered, A(b)(0) -> DpK(-) with D -> K-pi(+) and D -> K+pi(-), where D represents a superposition of D-0 and over bar D-0 states. The latter process is expected to be suppressed relative to the former, and is observed for the first time. The ratio of branching fractions of the two decays is measured, and the CP asymmetry of the suppressed mode, which is sensitive to the Cabibbo-Kobayashi-Maskawa angle gamma, is also reported.</abstract><cop>COLLEGE PK</cop><pub>Amer Physical Soc</pub><doi>10.1103/PhysRevD.104.112008</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-6704-6914</orcidid><orcidid>https://orcid.org/0000-0001-5760-2924</orcidid><orcidid>https://orcid.org/0000-0002-0023-3897</orcidid><orcidid>https://orcid.org/0000-0003-0014-2589</orcidid><orcidid>https://orcid.org/0000-0003-1393-4315</orcidid><orcidid>https://orcid.org/0000-0002-5089-5338</orcidid><orcidid>https://orcid.org/0000-0001-7072-4854</orcidid><orcidid>https://orcid.org/0000-0001-5775-3132</orcidid><orcidid>https://orcid.org/0000-0002-2395-235X</orcidid><orcidid>https://orcid.org/0000-0002-1493-0319</orcidid><orcidid>https://orcid.org/0000-0002-0146-0717</orcidid><orcidid>https://orcid.org/0000-0001-8636-1621</orcidid><orcidid>https://orcid.org/0000-0001-7658-8777</orcidid><orcidid>https://orcid.org/0000-0001-7979-1092</orcidid><orcidid>https://orcid.org/0000-0001-9886-7427</orcidid><orcidid>https://orcid.org/0000-0001-9170-684X</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/0000-0003-1015-9560</orcidid><orcidid>https://orcid.org/0000-0002-0656-9033</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><orcidid>https://orcid.org/0000000332726001</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-0010 |
| ispartof | Phys.Rev.D, 2021-12, Vol.104 (11), Article 112008 |
| issn | 2470-0010 2470-0029 |
| language | eng |
| recordid | cdi_webofscience_primary_000746362200003CitationCount |
| source | American Physical Society Journals; Web of Science - Science Citation Index Expanded - 2021<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Astronomy & Astrophysics High Energy Physics - Experiment Physical Sciences Physics Physics, Particles & Fields Science & Technology |
| title | Observation of the suppressed Λb0 → DpK- decay with D → K+ π- and measurement of its CP asymmetry |
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