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S wave bottomonium states moving in a quark-gluon plasma from lattice NRQCD

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Abstract

We extend our study of bottomonium spectral functions in the quark-gluon plasma to nonzero momentum. We use lattice QCD simulations with two flavours of light quark on highly anisotropic lattices and treat the bottom quark with nonrelativistic QCD (NRQCD). We focus on S wave (\( \varUpsilon \) and η b ) channels and consider nonrelativistic velocities, v/c ≲ 0.2. A comparison with predictions from effective field theory is made.

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Authors and Affiliations

  1. Department of Physics, Swansea University, Swansea, U.K.

    G. Aarts & C. Allton

  2. Department of Physics, Sejong University, Seoul, 143-747, Korea

    S. Kim

  3. INFN — Laboratori Nazionali di Frascati, I-00044, Frascati (RM), Italy

    M. P. Lombardo

  4. Physics Department, University of Utah, Salt Lake City, Utah, U.S.A.

    M. B. Oktay

  5. School of Mathematics, Trinity College, Dublin 2, Ireland

    S. M. Ryan

  6. HEP Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois, 60439, U.S.A.

    D. K. Sinclair

  7. Department of Mathematical Physics, National University of Ireland Maynooth, Maynooth, County Kildare, Ireland

    J.-I. Skullerud

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  1. G. Aarts
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  2. C. Allton
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  3. S. Kim
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  4. M. P. Lombardo
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  5. M. B. Oktay
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  6. S. M. Ryan
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  8. J.-I. Skullerud
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Correspondence to G. Aarts.

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ArXiv ePrint: 1210.2903

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Aarts, G., Allton, C., Kim, S. et al. S wave bottomonium states moving in a quark-gluon plasma from lattice NRQCD. J. High Energ. Phys. 2013, 84 (2013). https://doi.org/10.1007/JHEP03(2013)084

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  • DOI: https://doi.org/10.1007/JHEP03(2013)084

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