Coupled-channel effects in hadronic transitions in heavy-quarkonium systems

1991 ◽  
Vol 44 (3) ◽  
pp. 756-769 ◽  
Author(s):  
Hong-Yi Zhou ◽  
Yu-Ping Kuang
Keyword(s):  
Heavy Quarkonium ◽  
Channel Effects ◽  
Coupled Channel ◽  
Hadronic Transitions

scholarly journals Coupled-channel effects in the pp→ppK+K− reaction

2008 ◽  
Vol 668 (4) ◽  
pp. 315-318 ◽  
Author(s):  
A. Dzyuba ◽  
M. Büscher ◽  
M. Hartmann ◽  
I. Keshelashvili ◽  
V. Koptev ◽  
...  
Keyword(s):  
Channel Effects ◽  
Coupled Channel

scholarly journals Hidden-Charm Decays: An Elegant Probe for Internal Structure

2018 ◽  
Vol 46 ◽  
pp. 1860035
Author(s):  
Muhammad Naeem Anwar ◽  
Bing-Song Zou
Keyword(s):  
Internal Structure ◽  
Quantum Number ◽  
Wave Vector ◽  
Heavy Quarkonia ◽  
Heavy Quarkonium ◽  
Charm Decays ◽  
Decay Modes ◽  
Exotic States ◽  
Number Formula ◽  
Hadronic Transitions

Hadronic transitions are important decay modes of heavy quarkonia and serve as an elegant probe for the internal structure. Several remarkable discoveries have been made to identify the conventional heavy quarkonia and to extract useful information about the so called “XYZ” exotic states. We studied the hadronic transitions of higher charmonia in the framework of our recently proposed effective model to create light meson(s) in heavy quarkonium transitions. In this contribution, we discuss our results for the charmonium-[Formula: see text] decays of higher [Formula: see text] and [Formula: see text] wave vector charmonia. We also discuss quantum number [Formula: see text] assignments for few experimentally observed charmoniumlike states.

scholarly journals Puzzles in hadronic transitions of heavy quarkonium with two pion emission

2015 ◽  
Vol 91 (1) ◽  
Author(s):  
Jorge Segovia ◽  
D. R. Entem ◽  
F. Fernández
Keyword(s):  
Heavy Quarkonium ◽  
Pion Emission ◽  
Hadronic Transitions

Coupled channel effects in theRu(d, Li6)Moreaction

1983 ◽  
Vol 27 (5) ◽  
pp. 2377-2380 ◽  
Author(s):  
A. M. van den Berg ◽  
N. Blasi ◽  
R. H. Siemssen ◽  
W. A. Sterrenburg
Keyword(s):  
Channel Effects ◽  
Coupled Channel

Strong coupled-channel effects in the barrier distributions of 16,18O+58Ni

2002 ◽  
Vol 527 (3-4) ◽  
pp. 187-192 ◽  
Author(s):  
R.F Simões ◽  
D.S Monteiro ◽  
L.K Ono ◽  
A.M Jacob ◽  
J.M.B Shorto ◽  
...  
Keyword(s):  
Channel Effects ◽  
Coupled Channel

scholarly journals Using X(3823)→J/ψπ + π − to identify coupled-channel effects

2016 ◽  
Vol 11 (3) ◽  
Author(s):  
Bo Wang ◽  
Hao Xu ◽  
Xiang Liu ◽  
Dian-Yong Chen ◽  
Susana Coito ◽  
...  
Keyword(s):  
Channel Effects ◽  
Coupled Channel

scholarly journals Nπ scattering in the Roper channel

2018 ◽  
Vol 175 ◽  
pp. 05004
Author(s):  
M. Padmanath ◽  
C. B. Lang ◽  
Luka Leskovec ◽  
Sasa Prelovsek
Keyword(s):  
Lattice Qcd ◽  
Positive Parity ◽  
Roper Resonance ◽  
S Wave ◽  
Lattice Spectrum ◽  
Lattice Calculations ◽  
Channel Effects ◽  
Technical Details ◽  
Elastic Approximation ◽  
Coupled Channel

We present results from our recent lattice QCD study of Nπ scattering in the positive-parity nucleon channel, where the puzzling Roper resonance N*(1440) resides in experiment. Using a variety of hadron operators, that include qqq-like, Nπ in p-wave and Nσ in s-wave, we systematically extract the excited lattice spectrum in the nucleon channel up to 1.65 GeV. Our lattice results indicate that Nπ scattering in the elastic approximation alone does not describe a low-lying Roper. Coupled channel effects between Nπ and Nππ seem to be crucial to render a low-lying Roper in experiment, reinforcing the notion that this state could be a dynamically generated resonance. After giving a brief motivation for studying the Roper channel and the relevant technical details to this study, we will discuss the results and the conclusions based on our lattice investigation and in comparison with other lattice calculations.

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