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(DD0)-D-0 pi(+) mass distribution in the production of the T-cc exotic state
- 1.0551799 - ÚJF 2022 RIV US eng J - Článek v odborném periodiku
Feijoo, Aliau Eduardo Alberto - Liang, W. H. - Oset, E.
(DD0)-D-0 pi(+) mass distribution in the production of the T-cc exotic state.
Physical Review D. Roč. 104, č. 11 (2021), č. článku 114015. ISSN 2470-0010. E-ISSN 2470-0029
Institucionální podpora: RVO:61389005
Klíčová slova: channel study * mass distribution * data analysis
Obor OECD: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impakt faktor: 5.407, rok: 2021
Způsob publikování: Open access
https://doi.org/10.1103/PhysRevD.104.114015
We perform a unitary coupled channel study of the interaction of the D*D-+(0), D*D-0(+) channels and find a state barely bound, very close to isospin I = 0. We take the experimental mass as input and obtain the width of the state and the (DD0 pi-)-D-0+ mass distribution. When the mass of the T-cc state quoted in the experimental paper from raw data is used, the width obtained is of the order of the 80 keV, small compared to the value given in that work. Yet, when the mass obtained in an analysis of the data considering the experimental resolution is taken, the width obtained is about 43 keV and both the width and the (DD0 pi+)-D-0 mass distribution are in remarkable agreement with the results obtained in that latter analysis.
Trvalý link: http://hdl.handle.net/11104/0327014
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