Study of $D_J$ meson decays to $D^+\pi^-$, $D^0 \pi^+$ and $D^{*+}\pi^-$ final states in pp collision - INSPIRE

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Study of $D_J$ meson decays to $D^+\pi^-$ , $D^0 \pi^+$ and $D^{*+}\pi^-$ final states in pp collision

LHCb

Collaboration

Jul 17, 2013

26 pages

Published in:

JHEP 09 (2013) 145

e-Print:

1307.4556 [hep-ex]

DOI:

10.1007/JHEP09(2013)145

PDG:

{{\mathit D}_{{{0}}}{(2550)}^{0}}

Report number:

CERN-PH-EP-2013-122,
LHCB-PAPER-2013-026

Experiments:

CERN-LHC-LHCb

View in:

reference search140 citations

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Abstract:

A study of

D^+\pi^-

,

D^0 \pi^+

and

D^{*+}\pi^-

final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0

fb^{-1}

, collected at a centre-of-mass energy of 7 TeV with the LHCb detector. The

D_1(2420)^0

resonance is observed in the

D^{*+}\pi^-

final state and the

D^*_2(2460)

resonance is observed in the

D^+\pi^-

,

D^0 \pi^+

and

D^{*+}\pi^-

final states. For both resonances, their properties and spin-parity assignments are obtained. In addition, two natural parity and two unnatural parity resonances are observed in the mass region between 2500 and 2800 MeV. Further structures in the region around 3000 MeV are observed in all the

D^{*+}\pi^-

,

D^+\pi^-

and

D^0 \pi^+

final states.

Note:

30 pages, 12 pdf figures, submitted to JHEP

Spectroscopy
Hadron-Hadron Scattering
Charm physics
p p: scattering
charmed meson: hadronic decay
spin: parity
LHC-B
charmed meson: excited state
D1(2420)0
D*2(2460)0

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Figures(10)

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