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    Spectral functions of charmonium from 2 flavour anisotropic lattice data

    Kelly, Aoife and Skullerud, Jon-Ivar and Allton, Chris and Mehta, Dhagash and Oktay, Mehmet B. (2013) Spectral functions of charmonium from 2 flavour anisotropic lattice data. In: 31st International Symposium on Lattice field theory LATTICE 2013, July 29 – August 3, 2013, Mainz, Germany.

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    The spectral functions of QCD can give us insight into properties of hadrons, and they are useful in probing the QCD vacuum. I will discuss the correlators and spectral functions of charmonium in high temperature two flavour QCD. The spectral functions have been obtained using the Maximum Entropy Method from anisotropic lattice data using the conserved vector current. This work has been done as part of the FASTSUM collaboration. We find that the spectral functions for zero momentum are stable. At non-zero momentum the spectral functions are less stable but still produce resonance and transport peaks. This work is part of our programme to calculate the heavy quark diffusion constant.

    Item Type: Conference or Workshop Item (Paper)
    Additional Information: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
    Keywords: Spectral functions; charmonium; 2 flavour; anisotropic; lattice data;
    Academic Unit: Faculty of Science and Engineering > Mathematical Physics
    Item ID: 6288
    Depositing User: Dr. Jonivar Skullerud
    Date Deposited: 22 Jul 2015 17:26
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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