Related Concept Videos
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
Atomic Emission Spectroscopy: Lab
Atomic Emission Spectroscopy: Overview
Atomic Spectroscopy: Absorption, Emission, and Fluorescence
Atomic Emission Spectroscopy: Instrumentation
You might also read
Related Articles
Articles linked to this work by shared authors, journal, and citation graph.
Spatial String Tension and Its Effects on Screening Correlators in a Thermal QCD Plasma.
QCD Predictions for Meson Electromagnetic Form Factors at High Momenta: Testing Factorization in Exclusive Processes.
Related Experiment Video
Updated: Jan 6, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
Published on: June 28, 2016
Quarkonium Spectroscopy in the Quark-Gluon Plasma.
Zhanduo Tang1, Biaogang Wu1, Andrew Hanlon2
1Texas A&M University, Cyclotron Institute and Department of Physics and Astronomy, College Station, Texas 77843-3366, USA.
Investigating quarkonium states in the quark-gluon plasma (QGP) is crucial. This study uses complex energy plane analysis to determine the melting temperature of hadronic states in strongly coupled QGP (sQGP).
Area of Science:
- Nuclear Physics
- Quantum Chromodynamics
- Hadronic Spectroscopy
Background:
- Bound states are key to understanding hadronic matter and its transition to quark-gluon plasma (QGP).
- Evaluating in-medium properties of hadronic states in strongly coupled QGP (sQGP) is challenging due to temperature, binding energy, and parton widths.
- The behavior of heavy quarkonia in the QGP remains a difficult problem, especially when analyzing spectral properties on the real-energy axis.
Purpose of the Study:
- To analyze in-medium thermodynamic quarkonium T matrices in the complex energy plane to determine the melting temperature of hadronic states in sQGP.
- To provide a definitive quantum-mechanical criterion for identifying the melting temperature of hadronic states.
- To improve the accuracy of theoretical transport parameter determination in sQGP.
Main Methods:
- Analysis of in-medium thermodynamic quarkonium T matrices in the complex energy plane.
- Validation of the method in vacuum by identifying T-matrix poles of observed states.
- Application of the method to self-consistently calculated T matrices in the QGP.
Main Results:
- T-matrix poles in the complex energy plane can persist to surprisingly high temperatures in the QGP, dependent on in-medium interaction strength.
- Pole positions precisely define masses and widths.
- The concept of binding energy is ill-defined due to large widths of quark/anti-quark spectral functions.
Conclusions:
- The complex energy plane analysis offers a robust method for determining the melting temperature of hadronic states in sQGP.
- This approach enhances the accuracy of theoretical calculations for transport parameters.
- The study provides new insights into the persistence and properties of quarkonium states in the QGP.

