First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters

R. Aaij; C. Abellán Beteta; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; P. D'Argent; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma; M. Baalouch; S. Bachmann; J. J. Back; A. Badalov; C. Baesso; W. Baldini; R. J. Barlow; C. Barschel; S. Barsuk; W. Barter; V. Batozskaya; V. Battista; A. Bay; L. Beaucourt; J. Beddow; F. Bedeschi; I. Bediaga; L. J. Bel; V. Bellee; N. Belloli; I. Belyaev; E. Ben-Haim; G. Bencivenni; S. Benson; J. Benton; A. Berezhnoy; R. Bernet; A. Bertolin; F. Betti; M. O. Bettler; M. Van Beuzekom; S. Bifani; P. Billoir; T. Bird; A. Birnkraut; A. Bizzeti; T. Blake; F. Blanc; J. Blouw; S. Blusk; V. Bocci; A. Bondar; N. Bondar; W. Bonivento; A. Borgheresi; S. Borghi; M. Borisyak; M. Borsato; T. J.V. Bowcock; E. Bowen; C. Bozzi; S. Braun; M. Britsch; T. Britton; J. Brodzicka; N. H. Brook; E. Buchanan; C. Burr; A. Bursche; J. Buytaert; S. Cadeddu

doi:10.1103/PhysRevLett.116.241801

First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters

R. Aaij, C. Abellán Beteta, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. An, L. Anderlini, G. AndreassiM. Andreotti, J. E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, P. D'Argent, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, S. Bachmann, J. J. Back, A. Badalov, C. Baesso, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, V. Batozskaya, V. Battista, A. Bay, L. Beaucourt, J. Beddow, F. Bedeschi, I. Bediaga, L. J. Bel, V. Bellee, N. Belloli, I. Belyaev, E. Ben-Haim, G. Bencivenni, S. Benson, J. Benton, A. Berezhnoy, R. Bernet, A. Bertolin, F. Betti, M. O. Bettler, M. Van Beuzekom, S. Bifani, P. Billoir, T. Bird, A. Birnkraut, A. Bizzeti, T. Blake, F. Blanc, J. Blouw, S. Blusk, V. Bocci, A. Bondar, N. Bondar, W. Bonivento, A. Borgheresi, S. Borghi, M. Borisyak, M. Borsato, T. J.V. Bowcock, E. Bowen, C. Bozzi, S. Braun, M. Britsch, T. Britton, J. Brodzicka, N. H. Brook, E. Buchanan, C. Burr, A. Bursche, J. Buytaert, S. Cadeddu

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Resumen

© 2016 CERN. Charm meson oscillations are observed in a time-dependent analysis of the ratio of D0→K+π-π+π- to D0→K-π+π-π+ decay rates, using data corresponding to an integrated luminosity of 3.0 fb-1 recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favored amplitudes rDK3π and the product of the coherence factor RDK3π and a charm mixing parameter yK3π′. The constraints measured are rDK3π=(5.67±0.12)×10-2, which is the most precise determination to date, and RDK3πyK3π′=(0.3±1.8)×10-3, which provides useful input for determinations of the CP-violating phase γ in B±→DK±, D→Kπ±ππ± decays. The analysis also gives the most precise measurement of the D0→K+π-π+π- branching fraction, and the first observation of D0-D-0 oscillations in this decay mode, with a significance of 8.2 standard deviations.

Idioma original	English
Número de artículo	241801
Publicación	Physical Review Letters
Volumen	116
N.º	24
DOI	https://doi.org/10.1103/PhysRevLett.116.241801
Estado	Published - 17 jun 2016
Publicado de forma externa	Sí

All Science Journal Classification (ASJC) codes

Física y Astronomía General

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10.1103/PhysRevLett.116.241801

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Aaij, R., Abellán Beteta, C., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., ... Cadeddu, S. (2016). First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters. Physical Review Letters, 116(24), Artículo 241801. https://doi.org/10.1103/PhysRevLett.116.241801

@article{a481e35b73a74de5922a6ea13e3753d6,

title = "First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters",

abstract = "{\textcopyright} 2016 CERN. Charm meson oscillations are observed in a time-dependent analysis of the ratio of D0→K+π-π+π- to D0→K-π+π-π+ decay rates, using data corresponding to an integrated luminosity of 3.0 fb-1 recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favored amplitudes rDK3π and the product of the coherence factor RDK3π and a charm mixing parameter yK3π′. The constraints measured are rDK3π=(5.67±0.12)×10-2, which is the most precise determination to date, and RDK3πyK3π′=(0.3±1.8)×10-3, which provides useful input for determinations of the CP-violating phase γ in B±→DK±, D→Kπ±ππ± decays. The analysis also gives the most precise measurement of the D0→K+π-π+π- branching fraction, and the first observation of D0-D-0 oscillations in this decay mode, with a significance of 8.2 standard deviations.",

author = "R. Aaij and {Abell{\'a}n Beteta}, C. and B. Adeva and M. Adinolfi and A. Affolder and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and P. D'Argent and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and V. Battista and A. Bay and L. Beaucourt and J. Beddow and F. Bedeschi and I. Bediaga and Bel, {L. J.} and V. Bellee and N. Belloli and I. Belyaev and E. Ben-Haim and G. Bencivenni and S. Benson and J. Benton and A. Berezhnoy and R. Bernet and A. Bertolin and F. Betti and Bettler, {M. O.} and {Van Beuzekom}, M. and S. Bifani and P. Billoir and T. Bird and A. Birnkraut and A. Bizzeti and T. Blake and F. Blanc and J. Blouw and S. Blusk and V. Bocci and A. Bondar and N. Bondar and W. Bonivento and A. Borgheresi and S. Borghi and M. Borisyak and M. Borsato and Bowcock, {T. J.V.} and E. Bowen and C. Bozzi and S. Braun and M. Britsch and T. Britton and J. Brodzicka and Brook, {N. H.} and E. Buchanan and C. Burr and A. Bursche and J. Buytaert and S. Cadeddu",

note = "Funding Information: We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil); NSFC (China); CNRS/IN2P3 (France); BMBF, DFG and MPG (Germany); INFN (Italy); FOM and NWO (Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FANO (Russia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); NSF (U.S.). Publisher Copyright: {\textcopyright} 2016 CERN. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",

year = "2016",

month = jun,

day = "17",

doi = "10.1103/PhysRevLett.116.241801",

language = "English",

volume = "116",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "24",

}

Aaij, R, Abellán Beteta, C, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Alvarez Cartelle, P, Alves, AA, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Appleby, RB, Aquines Gutierrez, O, Archilli, F, D'Argent, P, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Bachmann, S, Back, JJ, Badalov, A, Baesso, C, Baldini, W, Barlow, RJ, Barschel, C, Barsuk, S, Barter, W, Batozskaya, V, Battista, V, Bay, A, Beaucourt, L, Beddow, J, Bedeschi, F, Bediaga, I, Bel, LJ, Bellee, V, Belloli, N, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bertolin, A, Betti, F, Bettler, MO, Van Beuzekom, M, Bifani, S, Billoir, P, Bird, T, Birnkraut, A, Bizzeti, A, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Bondar, A, Bondar, N, Bonivento, W, Borgheresi, A, Borghi, S, Borisyak, M, Borsato, M, Bowcock, TJV, Bowen, E, Bozzi, C, Braun, S, Britsch, M, Britton, T, Brodzicka, J, Brook, NH, Buchanan, E, Burr, C, Bursche, A, Buytaert, J & Cadeddu, S 2016, 'First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters', Physical Review Letters, vol. 116, n.º 24, 241801. https://doi.org/10.1103/PhysRevLett.116.241801

TY - JOUR

T1 - First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters

AU - Aaij, R.

AU - Abellán Beteta, C.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Affolder, A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Ali, S.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amerio, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Aquines Gutierrez, O.

AU - Archilli, F.

AU - D'Argent, P.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Batozskaya, V.

AU - Battista, V.

AU - Bay, A.

AU - Beaucourt, L.

AU - Beddow, J.

AU - Bedeschi, F.

AU - Bediaga, I.

AU - Bel, L. J.

AU - Bellee, V.

AU - Belloli, N.

AU - Belyaev, I.

AU - Ben-Haim, E.

AU - Bencivenni, G.

AU - Benson, S.

AU - Benton, J.

AU - Berezhnoy, A.

AU - Bernet, R.

AU - Bertolin, A.

AU - Betti, F.

AU - Bettler, M. O.

AU - Van Beuzekom, M.

AU - Bifani, S.

AU - Billoir, P.

AU - Bird, T.

AU - Birnkraut, A.

AU - Bizzeti, A.

AU - Blake, T.

AU - Blanc, F.

AU - Blouw, J.

AU - Blusk, S.

AU - Bocci, V.

AU - Bondar, A.

AU - Bondar, N.

AU - Bonivento, W.

AU - Borgheresi, A.

AU - Borghi, S.

AU - Borisyak, M.

AU - Borsato, M.

AU - Bowcock, T. J.V.

AU - Bowen, E.

AU - Bozzi, C.

AU - Braun, S.

AU - Britsch, M.

AU - Britton, T.

AU - Brodzicka, J.

AU - Brook, N. H.

AU - Buchanan, E.

AU - Burr, C.

AU - Bursche, A.

AU - Buytaert, J.

AU - Cadeddu, S.

N1 - Funding Information: We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil); NSFC (China); CNRS/IN2P3 (France); BMBF, DFG and MPG (Germany); INFN (Italy); FOM and NWO (Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FANO (Russia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); NSF (U.S.). Publisher Copyright: © 2016 CERN. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

PY - 2016/6/17

Y1 - 2016/6/17

N2 - © 2016 CERN. Charm meson oscillations are observed in a time-dependent analysis of the ratio of D0→K+π-π+π- to D0→K-π+π-π+ decay rates, using data corresponding to an integrated luminosity of 3.0 fb-1 recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favored amplitudes rDK3π and the product of the coherence factor RDK3π and a charm mixing parameter yK3π′. The constraints measured are rDK3π=(5.67±0.12)×10-2, which is the most precise determination to date, and RDK3πyK3π′=(0.3±1.8)×10-3, which provides useful input for determinations of the CP-violating phase γ in B±→DK±, D→Kπ±ππ± decays. The analysis also gives the most precise measurement of the D0→K+π-π+π- branching fraction, and the first observation of D0-D-0 oscillations in this decay mode, with a significance of 8.2 standard deviations.

AB - © 2016 CERN. Charm meson oscillations are observed in a time-dependent analysis of the ratio of D0→K+π-π+π- to D0→K-π+π-π+ decay rates, using data corresponding to an integrated luminosity of 3.0 fb-1 recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favored amplitudes rDK3π and the product of the coherence factor RDK3π and a charm mixing parameter yK3π′. The constraints measured are rDK3π=(5.67±0.12)×10-2, which is the most precise determination to date, and RDK3πyK3π′=(0.3±1.8)×10-3, which provides useful input for determinations of the CP-violating phase γ in B±→DK±, D→Kπ±ππ± decays. The analysis also gives the most precise measurement of the D0→K+π-π+π- branching fraction, and the first observation of D0-D-0 oscillations in this decay mode, with a significance of 8.2 standard deviations.

UR - http://www.scopus.com/inward/record.url?scp=84975512199&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84975512199&partnerID=8YFLogxK

UR - http://www.mendeley.com/research/first-observation-d0d0-oscillations-d0-k%CF%80%CF%80%CF%80-decays-measurement-associated-coherence-parameters

U2 - 10.1103/PhysRevLett.116.241801

DO - 10.1103/PhysRevLett.116.241801

M3 - Article

SN - 0031-9007

VL - 116

JO - Physical Review Letters

JF - Physical Review Letters

IS - 24

M1 - 241801

ER -

First Observation of D0-D-0 Oscillations in D0 →k+π-π+π- Decays and Measurement of the Associated Coherence Parameters

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