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Nuclear Theory·nucl-th

Wednesday·June 12, 2019

4 papers—1 primary·3 cross-listed

All4Primary1Cross-lists3
  1. 02

    [Submitted on 10 Jun 2019] (cross-list from hep-ph)

    An Effective Theory of Quarkonia in QCD Matter

    Yiannis Makris🇺🇸 · Ivan Vitev🇺🇸

    For heavy quarkonia of moderate energy, we generalize the relevant successful theory, non-relativistic Quantum Chromodynamics (NRQCD), to include interactions in nuclear matter. The new resulting theory, NRQCD with Glauber gluons, provides for the first time a universal microscopic description of the interaction of heavy quarkonia with a strongly interacting medium, consistently applicable to a range of phases, such as cold nuclear matter, dense hadron gas, and quark-gluon plasma. The effective field theory we present in this work is derived from first principles and is an important step forward in understanding the common trends in proton-nucleus and nucleus-nucleus data on quarkonium suppression.

    Comments:
    38 pages, 5 figures
    Subjects:
    High Energy Physics — Phenomenology (hep-ph); Nuclear Theory (nucl-th)
    arXiv:
    1906.04186 [pdf]
    JHEP(2019)·30 citations
  2. 03

    [Submitted on 11 Jun 2019] (cross-list from hep-ph)

    Diffractive dijet production from the Color Glass Condensate and the small- gluon distributions

    Heikki Mäntysaari🇫🇮 · Niklas Mueller🇺🇸 · Björn Schenke🇺🇸

    We study exclusive dijet production in electron-proton deep inelastic scattering at a future Electron Ion Collider. We predict the elliptic modulation of the cross section as a function of the angle between the dijet transverse momentum and the recoil momentum, and show that this modulation is due to non-trivial angular correlations between the transverse coordinate and transverse momentum in the Wigner (or Husimi) distribution. The small- evolution is shown to decrease the elliptic modulation in the EIC kinematics, because of the growth of the proton with decreasing .

    Comments:
    5 pages, 4 figures. Talk by H.M. at DIS2019
    Subjects:
    High Energy Physics — Phenomenology (hep-ph); Nuclear Theory (nucl-th)
    arXiv:
    1906.04389 [pdf]
    PoS(2019)·2 citations
  3. 04

    [Submitted on 11 Jun 2019] (cross-list from nucl-ex)

    Longitudinal Wobbling Motion in Au

    N. Sensharma · U. Garg · Q. B. Chen · S. Frauendorf · D. P. Burdette · J. L. Cozzi · K. B. Howard · S. Zhu · M. P. Carpenter · P. Copp · F. G. Kondev · T. Lauritsen and 10 other authors

    The rare phenomenon of nuclear wobbling motion has been investigated for the nucleus Au. A longitudinal wobbling-bands pair has been identified and clearly distinguished from the associated signature-partner band on the basis of angular distribution measurements. Theoretical calculations in the framework of the Particle Rotor Model (PRM) are found to agree well with the experimental observations. This is the first experimental evidence for longitudinal wobbling bands where the expected signature partner band has also been identified, and establishes this exotic collective mode as a general phenomenon over the nuclear chart.

    Comments:
    Revised version. Published in Phys. Rev. Lett
    Subjects:
    Nuclear Experiment (nucl-ex); Nuclear Theory (nucl-th)
    arXiv:
    1906.04408 [pdf]
    PRL(2020)·63 citations

Affiliations

first authorsco-authorsvia INSPIRE