A study on P$_{c}^{*}$ (4380) and P$_{c}^{*}$ in the quasi particle diquark model

Ghosh, R.; Bhattacharya, A.; Chakrabarti, B.

doi:10.1134/S1547477117040100

A study on P $_{c}^{}$ (4380) and P $_{c}^{}$ in the quasi particle diquark model

R. Ghosh
(
- Jadavpur U.
)
,
A. Bhattacharya
(
- Jadavpur U.
)
,
B. Chakrabarti
(
- Jogamaya Devi Coll., Kolkata
)

Aug 3, 2015

3 pages

Published in:

Phys.Part.Nucl.Lett. 14 (2017) 4, 550-552

Published: Jul 1, 2017

e-Print:

1508.00356 [hep-ph]

DOI:

10.1134/S1547477117040100

View in:

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Abstract: (Springer)

The masses of the recently reported by LHCb two pentaquark charmonium states P

_{c}^{*}

(4380) and P

_{c}^{*}

(4450) which are supposed to have the configuration

\left( {uudc\overline c } \right)

have been estimated in the framework of the quasiparticle model of diquarks considering

\left[ {ud} \right]\left[ {uc} \right]\overline c

configuration. The masses are reproduced very well which indicates that the description of diquark as quasiparticle is very useful for describing multiquark state and to understand the dynamics of it.

baryon: exotic
pentaquark: charm
pentaquark: mass
multiquark
charmonium
diquark: quasiparticle
quark model
quasiparticle: model
interpretation of experiments: LHC-B
numerical calculations

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A study on Pc∗_{c}^{*}c∗​ (4380) and Pc∗_{c}^{*}c∗​ in the quasi particle diquark model

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A study on P $_{c}^{}$ (4380) and P $_{c}^{}$ in the quasi particle diquark model