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Reinvestigation of Quark Masses Variations on Big Bang Nucleosynthesis

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Abstract

We report the constraints from primordial nucleosynthesis on a possible time-dependent quark mass. The variation may affect binding energies and Q values as well as resonance properties of light elements through the hadron mass variation in the nucleon–nucleon interaction. Updated light-element abundances and uncertainties along with a new detailed analysis of the resonance properties on the crucial 3He(d, p)4He reaction imply a narrower range on the possible quark-mass variations in the early universe. The optimum concordance region reduces to a value consistent with no variation.

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Authors and Affiliations

  1. Department of Physics, Soongsil University, Seoul, 156-743, Korea

    Myung-Ki Cheoun

  2. Hanyang University, Seoul, 133-791, Korea

    C. Y. Ryu

  3. Division of Theoretical Astronomy, National Astronomical Observatory of Japan, Mitaka, Tokyo, 181-8588, Japan

    Toshitaka Kajino

  4. Department of Astronomy, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan

    Toshitaka Kajino

  5. Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba, 277-8582, Japan

    Motohiko Kusakabe

  6. Department of Physics and Center for Astrophysics, University of Notre Dame, Notre Dame, IN, 46556, USA

    Grant J. Mathews

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  1. Myung-Ki Cheoun
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  2. C. Y. Ryu
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  3. Toshitaka Kajino
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  4. Motohiko Kusakabe
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  5. Grant J. Mathews
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Correspondence to Myung-Ki Cheoun.

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Cheoun, MK., Ryu, C.Y., Kajino, T. et al. Reinvestigation of Quark Masses Variations on Big Bang Nucleosynthesis. Few-Body Syst 54, 495–499 (2013). https://doi.org/10.1007/s00601-012-0418-y

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  • DOI: https://doi.org/10.1007/s00601-012-0418-y

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