Thermal modifications of charmonia and bottomonia from spatial correlation functions

Ding H-T, Kaczmarek O, Kruse A-L, Mukherjee S, Ohno H, Sandmeyer H, Shu H-T (2017)
In: 35th International Symposium on Lattice Field Theory (Lattice 2017).

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Abstract
We present our study on the thermal modifications of charmonia and bottomonia from spatial correlation functions at zero and nonzero momenta in quenched QCD. To accommodate the heavy quarks on the lattice we performed simulations on very fine lattices at a fixed beta value corresponding to a lattice spacing $a^{-1}=22.8$ GeV on $192^3\times32$, $192^3\times48$, $192^3\times56$, $192^3\times64$ and $192^3\times96$ lattices using clover-improved Wilson fermions. These lattices correspond to temperatures of $2.25 T_c$, $1.50 T_c$, $1.25 T_c$, $1.10 T_c$ and $0.75 T_c$. To increase the signal to noise ratio in the axial-vector and scalar channels we used multi-sources for the measurement of spatial correlation functions. By investigating on the differences between spatial and temporal correlators as well as the temperature dependence of screening masses we will discuss the thermal effects in different channels of quarkonium states. Besides this the dispersion relation of the screening mass at different momenta is also discussed.
Publishing Year
Conference
35th International Symposium on Lattice Field Theory (Lattice 2017)
Location
Granada, Spain
Conference Date
2017-06-18 – 2017-06-24
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Ding H-T, Kaczmarek O, Kruse A-L, et al. Thermal modifications of charmonia and bottomonia from spatial correlation functions. In: 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
Ding, H. - T., Kaczmarek, O., Kruse, A. - L., Mukherjee, S., Ohno, H., Sandmeyer, H., & Shu, H. - T. (2017). Thermal modifications of charmonia and bottomonia from spatial correlation functions. 35th International Symposium on Lattice Field Theory (Lattice 2017)
Ding, H. - T., Kaczmarek, O., Kruse, A. - L., Mukherjee, S., Ohno, H., Sandmeyer, H., and Shu, H. - T. (2017). “Thermal modifications of charmonia and bottomonia from spatial correlation functions” in 35th International Symposium on Lattice Field Theory (Lattice 2017).
Ding, H.-T., et al., 2017. Thermal modifications of charmonia and bottomonia from spatial correlation functions. In 35th International Symposium on Lattice Field Theory (Lattice 2017).
H.-T. Ding, et al., “Thermal modifications of charmonia and bottomonia from spatial correlation functions”, 35th International Symposium on Lattice Field Theory (Lattice 2017), 2017.
Ding, H.-T., Kaczmarek, O., Kruse, A.-L., Mukherjee, S., Ohno, H., Sandmeyer, H., Shu, H.-T.: Thermal modifications of charmonia and bottomonia from spatial correlation functions. 35th International Symposium on Lattice Field Theory (Lattice 2017). (2017).
Ding, Heng-Tong, Kaczmarek, Olaf, Kruse, Anna-Lena, Mukherjee, Swagato, Ohno, Hiroshi, Sandmeyer, Hauke, and Shu, Hai-Tao. “Thermal modifications of charmonia and bottomonia from spatial correlation functions”. 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
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