Search Results - "Oller, José A"

Interpretation of the LHCb Pc States as Hadronic Molecules and Hints of a Narrow Pc(4380) by Du, Meng-Lin, Baru, Vadim, Guo, Feng-Kun, Hanhart, Christoph, Meißner, Ulf-G, Oller, José A, Wang, Qian

“…Three hidden-charm pentaquark Pc states, Pc(4312), Pc(4440), and Pc(4457) were revealed in the Λb0→J/ψpK− process measured by LHCb using both run I and run II…”
Get full text

Revisiting the nature of the Pc pentaquarks by Du, Meng-Lin, Baru, Vadim, Guo, Feng-Kun, Hanhart, Christoph, Meißner, Ulf-G., Oller, José A., Wang, Qian

“…A bstract The nature of the three narrow hidden-charm pentaquark P c states, i.e., P c (4312), P c (4440) and P c (4457), is under intense discussion since…”
Get full text

Scalar radius of the pion and zeros in the form factor by Oller, José A., Roca, Luis

“…The quadratic pion scalar radius, 〈r2〉sπ, plays an important role for present precise determinations of ππ scattering. Recently, Ynduráin, using an Omnès…”
Get full text

Interpretation of the LHCb P c States as Hadronic Molecules and Hints of a Narrow P c ( 4380 ) by Du, Meng-Lin, Baru, Vadim, Guo, Feng-Kun, Hanhart, Christoph, Meißner, Ulf-G., Oller, José A., Wang, Qian

Get full text

Surprises in threshold antikaon-nucleon physics by OILER, José A, PRADES, Joaquim, VERBENI, Michela

“…Low energy KN interactions are studied within unitary chiral perturbation theory at next-to-leading order with ten coupled channels. We pay special attention…”
Get full text

The mixing angle of the lightest scalar nonet by Oller, José A.

“…We show that the κ, a 0(980), σ and the f 0(980) resonances constitute the lightest scalar nonet in three different and complementary ways. First, by…”
Get full text

Oller et al. Reply by Oller, José A., Prades, Joaquim, Verbeni, Michela

“…A Reply to the Comment by B. Borasoy, R. Nissler, and W. Weise…”
Get full text

In-medium Chiral Perturbation Theory beyond the Mean-Field Approximation by Meißner, Ulf-G., Oller, José A., Wirzba, Andreas

“…An explicit expression for the generating functional of two-flavor low-energy QCD with external sources in the presence of nonvanishing nucleon densities was…”
Get full text

Final state interactions in hadronic D decays by Oller, José A.

Get full text

Revisiting the nature of the P c pentaquarks by Meng-Lin Du, Vadim Baru, Feng-Kun Guo, Christoph Hanhart, Ulf-G. Meißner, José A. Oller, Qian Wang

“…Abstract The nature of the three narrow hidden-charm pentaquark P c states, i.e., P c (4312), P c (4440) and P c (4457), is under intense discussion since…”
Get full text

Finite width effects in φ radiative decays by Oller, José A.

“…We calculate the decay rates φ→ γπ 0 π 0 and γπ 0 η in very good agreement with the recent accurate experimental data. We also point out the necessity of a φγK…”
Get full text

Interpretation of the LHCb P_{c} States as Hadronic Molecules and Hints of a Narrow P_{c}(4380) by Du, Meng-Lin, Baru, Vadim, Guo, Feng-Kun, Hanhart, Christoph, Meißner, Ulf-G, Oller, José A, Wang, Qian

“…Three hidden-charm pentaquark P_{c} states, P_{c}(4312), P_{c}(4440), and P_{c}(4457) were revealed in the Λ_{b}^{0}→J/ψpK^{-} process measured by LHCb using…”
Get full text

Improved dispersion relations for γγ→π0π0 by Oller, José A., Roca, Luis, Schat, Carlos

“…We perform a dispersive theoretical study of the reaction γγ→π0π0 emphasizing the low energy region. The large source of theoretical uncertainty to calculate…”
Get full text

Improved dispersion relations for γ γ → π 0 π 0 by Oller, José A., Roca, Luis, Schat, Carlos

Get full text

Nucleon–nucleon interactions from effective field theory by Oller, José A.

“…We have established a new convergent scheme to treat analytically nucleon–nucleon interactions from a chiral effective field theory. The Kaplan–Savage–Wise…”
Get full text

Surprises in threshold antikaon-nucleon physics by Oller, José A, Prades, Joaquim, Verbeni, Michela

“…Low energy KN interactions are studied within unitary chiral perturbation theory at next-to-leading order with ten coupled channels. We pay special attention…”
Get full text

Erratum to “K scattering amplitude to one loop in chiral perturbation theory, its unitarization and pion form factors” by Oller, José A.

Get full text

Erratum to “ [formula omitted] scattering amplitude to one loop in chiral perturbation theory, its unitarization and pion form factors” : [Nucl. Phys. B 537 (1999) 459–476] by Oller, José A.

Get full text

S -wave Λ π phase shift is not large by Meißner, Ulf-G., Oller, José A.

Get full text

Revisiting the nature of the $P_c$ pentaquarks by Du, Meng-Lin, Baru, Vadim, Guo, Feng-Kun, Hanhart, Christoph, Meißner, Ulf-G, Oller, José A, Wang, Qian

“…The nature of the three narrow $P_c$ states, i.e., $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$, is under intense discussion since their discovery from the updated…”
Get full text