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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Progress towards understanding the H-dibaryon from lattice QCD

Jul 26, 2018, 12:40 PM
105 (Kellogg Hotel and Conference Center)


Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Spectroscopy and Interactions Hadron Spectroscopy and Interactions


Dr Andrew Hanlon (Helmholtz-Institut Mainz, JGU)


Significant experimental and theoretical efforts to determine the existence and nature of the $H$-dibaryon have been underway since its prediction in 1977. Yet, conclusive evidence for such a bound state is still lacking. Results from various lattice QCD calculations show substantial disagreement for the binding energy. Since there is no conclusive evidence for or against the existence of a bound $H$-dibaryon, the Mainz group has joined the effort towards resolving the discrepancies. In this talk, I will first give an overview of the recent results from the Mainz group obtained in two-flavor QCD. I will then discuss work that has been done towards ensuring that the baryon-baryon operators used in the $H$-dibaryon studies transform irreducibly under the relevant little group. Finally, the prospects of extensions to $N_f = 2 + 1$ and the use of distillation for moving frames will be examined.

Primary author

Dr Andrew Hanlon (Helmholtz-Institut Mainz, JGU)


Dr Anthony Francis (CERN) Dr Chuan Miao (Helmholtz-Institut Mainz, JGU) Prof. Hartmut Wittig (Johannes Gutenberg Universität) Dr Jeremy Green (DESY, Zeuthen) Dr Parikshit Junnarkar (Tata Institute of Fundamental Research) Dr Thomas Rae (Johannes Gutenberg Universität)

Presentation Materials