Observation of doubly charmed B decays at LEP

Physics

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https://doi.org/10.1007/s100520050216
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Observation of doubly charmed B decays at LEP. / ALEPH Collaboration, The; Barate, R.; Betteridge, Andrew et al.
In: The European Physical Journal C (EPJ C) - Particles and Fields, Vol. 4, No. 3, 07.1998, p. 387-407.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ALEPH Collaboration, T, Barate, R, Betteridge, A, Bowdery, C, Colrain, P, Finch, A, Foster, F, Hughes, G , Jones, R & Williams, M 1998, 'Observation of doubly charmed B decays at LEP', The European Physical Journal C (EPJ C) - Particles and Fields, vol. 4, no. 3, pp. 387-407. https://doi.org/10.1007/s100520050216

APA

ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., & Williams, M. (1998). Observation of doubly charmed B decays at LEP. The European Physical Journal C (EPJ C) - Particles and Fields, 4(3), 387-407. https://doi.org/10.1007/s100520050216

Vancouver

ALEPH Collaboration T, Barate R, Betteridge A, Bowdery C, Colrain P, Finch A et al. Observation of doubly charmed B decays at LEP. The European Physical Journal C (EPJ C) - Particles and Fields. 1998 Jul;4(3):387-407. doi: 10.1007/s100520050216

Author

ALEPH Collaboration, The ; Barate, R. ; Betteridge, Andrew et al. / Observation of doubly charmed B decays at LEP. In: The European Physical Journal C (EPJ C) - Particles and Fields. 1998 ; Vol. 4, No. 3. pp. 387-407.

Bibtex

@article{9cc9ab71f1184da6813af5aac8325caa,

title = "Observation of doubly charmed B decays at LEP",

abstract = "A search for doubly-charmed B decays with both charmed mesons reconstructed is performed, using about 3.8 million hadronic Z decays recorded with the ALEPH detector at LEP. A clear signal is observed in the channels B→DsD¯(X) and B→DD¯(X) (where D can be either a D 0 , a D + or a D ∗+ ), providing the first direct evidence for doubly-charmed B decays involving no Ds production. Evidence for associated K0S and K± production in the decays B→DD¯(X) is also presented and some candidates for completely reconstructed decays B→DsD¯(nπ) , B→DD¯K0S and B→DD¯K± are observed. Furthermore, candidates for the two-body Cabibbo suppressed decays B0→D∗−D∗+ and B−→D(∗)0D(∗)− are also observed. Measurements of the corresponding branching fractions are extracted.",

author = "{ALEPH Collaboration}, The and R. Barate and Andrew Betteridge and Christopher Bowdery and Paul Colrain and Alexander Finch and Frank Foster and Gareth Hughes and Roger Jones and Mark Williams",

year = "1998",

month = jul,

doi = "10.1007/s100520050216",

language = "English",

volume = "4",

pages = "387--407",

journal = "The European Physical Journal C (EPJ C) - Particles and Fields",

issn = "1434-6052",

publisher = "SPRINGER",

number = "3",

}

RIS

TY - JOUR

T1 - Observation of doubly charmed B decays at LEP

AU - ALEPH Collaboration, The

AU - Barate, R.

AU - Betteridge, Andrew

AU - Bowdery, Christopher

AU - Colrain, Paul

AU - Finch, Alexander

AU - Foster, Frank

AU - Hughes, Gareth

AU - Jones, Roger

AU - Williams, Mark

PY - 1998/7

Y1 - 1998/7

N2 - A search for doubly-charmed B decays with both charmed mesons reconstructed is performed, using about 3.8 million hadronic Z decays recorded with the ALEPH detector at LEP. A clear signal is observed in the channels B→DsD¯(X) and B→DD¯(X) (where D can be either a D 0 , a D + or a D ∗+ ), providing the first direct evidence for doubly-charmed B decays involving no Ds production. Evidence for associated K0S and K± production in the decays B→DD¯(X) is also presented and some candidates for completely reconstructed decays B→DsD¯(nπ) , B→DD¯K0S and B→DD¯K± are observed. Furthermore, candidates for the two-body Cabibbo suppressed decays B0→D∗−D∗+ and B−→D(∗)0D(∗)− are also observed. Measurements of the corresponding branching fractions are extracted.

AB - A search for doubly-charmed B decays with both charmed mesons reconstructed is performed, using about 3.8 million hadronic Z decays recorded with the ALEPH detector at LEP. A clear signal is observed in the channels B→DsD¯(X) and B→DD¯(X) (where D can be either a D 0 , a D + or a D ∗+ ), providing the first direct evidence for doubly-charmed B decays involving no Ds production. Evidence for associated K0S and K± production in the decays B→DD¯(X) is also presented and some candidates for completely reconstructed decays B→DsD¯(nπ) , B→DD¯K0S and B→DD¯K± are observed. Furthermore, candidates for the two-body Cabibbo suppressed decays B0→D∗−D∗+ and B−→D(∗)0D(∗)− are also observed. Measurements of the corresponding branching fractions are extracted.

U2 - 10.1007/s100520050216

DO - 10.1007/s100520050216

M3 - Journal article

VL - 4

SP - 387

EP - 407

JO - The European Physical Journal C (EPJ C) - Particles and Fields

JF - The European Physical Journal C (EPJ C) - Particles and Fields

SN - 1434-6052

IS - 3

ER -

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