Charmed meson decays to two pseudoscalars - INSPIRE

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Charmed meson decays to two pseudoscalars

Bhubanjyoti Bhattacharya
(
- Chicago U., EFI and
- Chicago U.
)
,
Jonathan L. Rosner
(
- Chicago U., EFI and
- Chicago U.
)

Nov, 2009

15 pages

Published in:

Phys.Rev.D 81 (2010) 014026

e-Print:

0911.2812 [hep-ph]

DOI:

10.1103/PhysRevD.81.014026

Report number:

EFI-09-32

View in:

ADS Abstract Service

reference search70 citations

Citations per year

Abstract: (arXiv)

A recent update of data on the decays of

D^0

,

D^+

, and

D_s^+

to pairs of light pseudoscalars calls for a renewed analysis of key decay amplitudes and tests of flavor symmetry. The present data change our previous understanding of relative phases between amplitudes that describe Cabibbo-favored decays of the charmed mesons. The new data also seem to favor a smaller octet-singlet mixing angle for the

\eta

and

\eta'

mesons when singly-Cabibbo-suppressed processes are taken into account. We also discuss the effects of the new data on interference between Cabibbo-favored and doubly-Cabibbo-suppressed decays.

13.25.Ft
14.40.Lb
11.30.Hv
charmed meson: hadronic decay
charmed meson: branching ratio
pseudoscalar meson: pair production
decay: amplitude analysis
symmetry: flavor
mixing angle: (eta(958) eta)
Cabibbo angle

References(13)

Figures(10)

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Bhubanjyoti Bhattacharya
(
- Chicago U., EFI and
- Chicago U.
)
,
Jonathan L. Rosner
(
- Chicago U., EFI and
- Chicago U.
)

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(
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- Chicago U.
)

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•
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,
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)
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Amol S. Dighe
(
- Chicago U., EFI and
- Chicago U.
)
,
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(
- Technion
)
,
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(
- Chicago U., EFI and
- Chicago U.
)

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(
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- Chicago U., EFI and
- Chicago U.
)
,
Zumin Luo
(
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- Chicago U.
)
,
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(
- Chicago U., EFI and
- Chicago U.
)

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•

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(
- Rochester U.
)

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e-Print:
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Collaboration

•

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et al.

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•
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