SCOAP3 Repository 9 records found  Search took 0.02 seconds. 
1. Joint Topics on Exotic Hadron States and Heavy Flavor Hadronic Decay / Kang, Xian-Wei ; Luo, Tao ; Oller, J. A. ; Dai, Ling-Yun
Published in Advances in High Energy Physics 2019 (2019) 3765306 10.1155/2019/3765306
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2. Effective-Range-Expansion Study of Near Threshold Heavy-Flavor Resonances / Guo, Zhi-Hui ; Gao, Rui ; Kang, Xian-Wei ; Oller, J. A.
In this work, we study the resonances near the thresholds of the open heavy-flavor hadrons using the effective-range-expansion method. [...]
Published in Advances in High Energy Physics 2019 (2019) 4651908 10.1155/2019/4651908 arXiv:1812.07323
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3. Anatomy of the newly observed hidden-charm pentaquark states: P c (4312), P c (4440) and P c (4457) / Guo, Zhi-Hui ; Oller, J.A.
We study the newly reported hidden-charm pentaquark candidates Pc(4312) , Pc(4440) and Pc(4457) from the LHCb Collaboration, in the framework of the effective-range expansion and resonance compositeness relations. [...]
Published in Physics letters B (2019) 10.1016/j.physletb.2019.04.053
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4. Towards a precise determination of the scattering amplitudes of the charmed and light-flavor pseudoscalar mesons / Guo, Zhi-Hui ; Liu, Liuming ; Meißner, Ulf-G. ; Oller, J. A. ; et al
We study the scattering of the light-flavor pseudoscalar mesons ( π,K,η ) off the ground-state charmed mesons ( D,Ds ) within chiral effective field theory. [...]
Published in EPJC 79 (2019) 13 10.1140/epjc/s10052-018-6518-1
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5. The N / D method with non-perturbative left-hand-cut discontinuity and the S01 NN partial wave / Entem, D.R. ; Oller, J.A.
In this letter we introduce an integral equation that allows to calculate the exact left-hand-cut discontinuity for an uncoupled S -wave partial-wave amplitude in potential scattering for a given finite-range potential. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.09.012
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6. A chiral covariant approach to ρρ scattering / Gülmez, D. ; Meißner, U.-G. ; Oller, J. A.
We analyze vector meson–vector meson scattering in a unitarized chiral theory based on a chiral covariant framework restricted to ρρ intermediate states. [...]
Published in EPJC 77 (2017) 460 10.1140/epjc/s10052-017-5018-z
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7. Different pole structures in line shapes of the X (3872) / Kang, Xian-Wei ; Oller, J. A.
We introduce a near-threshold parameterization that is more general than the effective-range expansion up to and including the effective range because it can also handle a near-threshold zero in the D0D¯∗0 S -wave. [...]
Published in EPJC 77 (2017) 399 10.1140/epjc/s10052-017-4961-z
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8. Testing the χc1p composite nature of the P c (4450) / Meißner, Ulf-G. ; Oller, J.A.
Making use of a recently proposed formalism, we analyze the composite nature of the Pc(4450) resonance observed by LHCb. [...]
Published in Physics letters B (2015) 10.1016/j.physletb.2015.10.015
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9. The strangeness content of the nucleon from effective field theory and phenomenology / Alarcón, J.M. ; Geng, L.S. ; Martin Camalich, J. ; Oller, J.A.
We revisit the classical relation between the strangeness content of the nucleon, the pion–nucleon sigma term and the SU(3)F breaking of the baryon masses in the context of Lorentz covariant chiral perturbation theory with explicit decuplet-baryon resonance fields. [...]
Published in Physics letters B 730 (2014) 342-346 10.1016/j.physletb.2014.01.065
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