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Decays of double charmed meson molecules · arXivDesk

1401.4229Jan 17, 20145 pages, 1 table, 1 figure

Decays of double charmed meson molecules

R. Molina, A. Hosaka, H. Nagahiro

Abstract

The interaction between pseudoscalar and/or vector mesons can be studied using hidden gauge Lagrangians. In this framework, the interaction between charmed mesons has been studied. Furthermore, doubly charmed states are also predicted. These new states are near the $D^*D^*$ and $D^*D^*_s$

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thresholds, and have spin-parity

J^P=1^+

. We evaluate the decay widths of these states, named as

R_{cc}(3970)

and

S_{cc}(4100)

(with strangeness), and obtain

44

MeV for the non-strangeness, and

24

MeV for the doubly charm-strange state. Essentially, the decay modes are

DD_{(s)}π

and

DD_{(s)}γ

, being the

Dπ

and

Dγ

emitted by one of the

D^*

meson which forms the molecule.

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