Thermal quarkonium physics in the pseudoscalar channel

Burnier Y, Ding H-T, Kaczmarek O, Kruse A-L, Laine M, Ohno H, Sandmeyer H (2017)
Journal of High Energy Physics (11): 206.

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The pseudoscalar correlator is an ideal lattice probe for thermal modifications to quarkonium spectra, given that it is not compromised by a contribution from a large transport peak. We construct a perturbative spectral function incorporating resummed thermal effects around the threshold and vacuum asymptotics above the threshold, and compare the corresponding imaginary-time correlators with continuum-extrapolated lattice data for quenched SU(3) at several temperatures. Modest differences are observed, which may originate from non-perturbative mass shifts or renormalization factors, however no resonance peaks are needed for describing the quenched lattice data for charmonium at and above T similar to 1.1T(c) similar to 350 MeV. For comparison, in the bottomonium case a good description of the lattice data is obtained with a spectral function containing a single thermally broadened resonance peak.
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Burnier Y, Ding H-T, Kaczmarek O, et al. Thermal quarkonium physics in the pseudoscalar channel. Journal of High Energy Physics. 2017;(11): 206.
Burnier, Y., Ding, H. - T., Kaczmarek, O., Kruse, A. - L., Laine, M., Ohno, H., & Sandmeyer, H. (2017). Thermal quarkonium physics in the pseudoscalar channel. Journal of High Energy Physics(11), 206. doi:10.1007/JHEP11(2017)206
Burnier, Y., Ding, H. - T., Kaczmarek, O., Kruse, A. - L., Laine, M., Ohno, H., and Sandmeyer, H. (2017). Thermal quarkonium physics in the pseudoscalar channel. Journal of High Energy Physics:206.
Burnier, Y., et al., 2017. Thermal quarkonium physics in the pseudoscalar channel. Journal of High Energy Physics, (11): 206.
Y. Burnier, et al., “Thermal quarkonium physics in the pseudoscalar channel”, Journal of High Energy Physics, 2017, : 206.
Burnier, Y., Ding, H.-T., Kaczmarek, O., Kruse, A.-L., Laine, M., Ohno, H., Sandmeyer, H.: Thermal quarkonium physics in the pseudoscalar channel. Journal of High Energy Physics. : 206 (2017).
Burnier, Y., Ding, H-T, Kaczmarek, Olaf, Kruse, Anna-Lena, Laine, Mikko, Ohno, H., and Sandmeyer, Hauke. “Thermal quarkonium physics in the pseudoscalar channel”. Journal of High Energy Physics 11 (2017): 206.
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