PublicaciΓ³n: Interpretation of the LHCb ππβ’(4312)+ Signal
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2019-08-29
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info:eu-repo/semantics/openAccess
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American Physical Society
Resumen
We study the nature of the new signal reported by LHCb in the π½/πβ’π spectrum. Based on the π-matrix principles, we perform a minimum-bias analysis of the underlying reaction amplitude, focusing on the analytic properties that can be related to the microscopic origin of the ππβ’(4312)+ peak. By exploring several amplitude parametrizations, we find evidence for the attractive effect of the Ξ£+πβ’Β―π·0 channel, which is not strong enough, however, to form a bound state.
DescripciΓ³n
The registered version of this article, first published in βPhysical Review Letters, 123(9)092001", is available online at the publisher's website: American Physical Society, https://doi.org/10.1103/PhysRevLett.123.092001
La versiΓ³n registrada de este artΓculo, publicado por primera vez en βPhysical Review Letters, 123(9)092001", estΓ‘ disponible en lΓnea en el sitio web del editor: American Physical Society, https://doi.org/10.1103/PhysRevLett.123.092001
La versiΓ³n registrada de este artΓculo, publicado por primera vez en βPhysical Review Letters, 123(9)092001", estΓ‘ disponible en lΓnea en el sitio web del editor: American Physical Society, https://doi.org/10.1103/PhysRevLett.123.092001
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CitaciΓ³n
FernΓ‘ndez-RamΓrez, Pilloni, Albaladejo, Mathieu, Mikhasenko, Silva-Castro, & Szczepaniak. (2019). Interpretation of the LHCb Pc (4312)+ Signal. Physical Review Letters, 123(9). https://doi.org/10.1103/PHYSREVLETT.123.092001
Centro
Facultades y escuelas::Facultad de Ciencias
Departamento
FΓsica Interdisciplinar