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4 September 2020 to 2 October 2020
Europe/Athens timezone
After the physical conference, an internet only session took place 1 and 2 October 2020. This program appears in the timetable as well.

Gluons, Heavy and Light Quarks in the Instanton Liquid Model

5 Sept 2020, 11:25
25m
Room 3

Room 3

Speaker

Prof. Mirzayusuf Musakhanov (National University of Uzbekistan)

Description

We are extending ILM to gluons, heavy quarks, and heavy-light quarks systems.
In ILM 4Nc instanton collective coordinates = size ρρ¯, color orientation, position.
ρ0.3fm, inter-instanton distance R1fm, packing parameter λ=ρ4/R40.01.
ILM vacuum energy density 500MeV/fm3.

Instanton vs hadron sizes.
rJ/ψ=0.25 fm, rΥ=0.14 fm, rN0.30.5 fm.
Small quark core size hadrons are insensitive to the confinement, ILM safely applicable.

Light quarks in ILM. Dynamical quark mass M(q).
M(0)360 MeV λ1/2ρ1 strength of light quark-instanton interaction.
Successful reproducing of light hadrons physics with O(m,1/Nc,m/Nc) corrections.

Gluons in ILM. Dynamical gluon mass Mg(q).
Mg(0)M(0) λ1/2ρ1 strength of gluon-instanton interaction.

Heavy quarks in ILM. ILM contribution to heavy quark mass ΔM(q).
ΔM(0)70 MeV λρ1 strength of heavy quark-instanton interaction.
Heavy quark-antiquark potential V(r) = ILM modified one gluon exchange VILM,g(r) + direct instanton Vdir(r) + confinement Vconf(r) potentials.
Vcornell(r) = one gluon exchange Vg(r) + confinement Vconf(r) potentials.
V(r) vs Vcornell(r) +5÷10% correction for charmonium (cc¯) ground state energy.

Heavy+light quarks in ILM. (cc¯)(cc¯)ππ.
Light quark factor FπQ0.6Fπ.
Heavy quark factor = dipole approximation(1+crJ/ψ2/ρ2+...).
crJ/ψ2/ρ20.372rJ/ψ2/ρ20.26.
Standard approach = dipole approximation. Request for ILM reconsideration of heavy quarkonium light hadrons emission processes and light-heavy quarks meson states.

ILM is a framework for uniform and consistent description of light and heavy quark physics.

Details

Mirzayusuf Musakhanov, Professor, National University of Uzbekistan, Uzbekistan, https://www.nuu.uz/eng

Is this abstract from experiment? No
Name of experiment and experimental site N/A
Is the speaker for that presentation defined? Yes
Internet talk Yes

Author

Prof. Mirzayusuf Musakhanov (National University of Uzbekistan)

Presentation materials