$H$ dibaryon away from the $SU(3)_f$ symmetric point

Andrew D. Hanlon; Ben H\"orz; Colin Morningstar; Hartmut Wittig; Jeremy R. Green; John Bulava; M. Padmanath; Parikshit Junnarkar; Srijit Paul

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$H$ dibaryon away from the $SU(3)_f$ symmetric point

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arxiv 2111.11541 v1 pith:DEGAWS57 submitted 2021-11-22 hep-lat

M. Padmanath , John Bulava , Jeremy R. Green , Andrew D. Hanlon , Ben Hörz , Parikshit Junnarkar , Colin Morningstar , Srijit Paul

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Hartmut Wittig

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classification hep-lat

keywords awaydibaryonensemblespointstatussymmetricamplitudesanalysis

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abstract

We present the current status of our efforts in search of $H$ dibaryon on $N_f$=2+1 CLS ensembles away from the $SU(3)$ flavor symmetric point. Utilizing the distillation framework (also known as LapH) in its exact and stochastic forms, we calculate two-point correlation matrices using large bases of bi-local two-baryon interpolators to reliably determine the low-energy spectra. We report the low lying spectrum on several moving frames for multiple ensembles with different lattice spacing and physical volumes. The status of finite-volume analysis to extract the scattering amplitudes is also discussed.

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