Miguel Albaladejo

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We perform a coupled channel study of the meson-meson S waves with isospin (I) 0 and 1/2 up to 2 GeV. A new approach is derived that allows one to include the many channels pipi, KK[over ], etaeta, sigmasigma, etaeta; eta; eta; , rhorho, omegaomega, omegavarphi, varphivarphi, a(1)pi, and pipi with still few free parameters. It follows that coupled channel(More)
Eulogio Oset†,‡, Wei-Hong Liang§, Melahat Bayar¶, Ju-Jun Xie†,∗∗, Lian Rong Dai††, Miguel Albaladejo‡‡, Marina Nielsen§§, Takayasu Sekihara¶¶, Fernando Navarra§§, Luis Roca‖‖, Maxim Mai∗∗∗, Juan Nieves‡‡, Jorgivan Morais Dias§§, Alberto Feijoo†††, Volodymyr K. Magas†††, Angels Ramos†††, Kenta Miyahara‡‡‡, Tetsuo Hyodo§§§, Daisuke Jido¶¶¶, Michael Döring‖‖‖,(More)
We have performed a thorough study of the meson-meson S-waves with isospin (I) 0 and 1/2, up to √ s ≃ 2 GeV. This is the first study that includes 13 channels that have their threshold below that energy. All the resonances below 2 GeV, namely the f0(600) or σ, f0(980), f0(1370), f0(1500), f0(1710) and f0(1790) for I = 0, and the K∗ 0 (800) or κ, K∗ 0 (1430)(More)
We consider a recent T -matrix analysis by Albaladejo et al., [Phys. Lett. B 755, 337 (2016)] which accounts for the J/ψπ and D∗D̄ coupled–channels dynamics, and that successfully describes the experimental information concerning the recently discovered Zc(3900). Within such scheme, the data can be similarly well described in two different scenarios, where(More)
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