Heavy hadron spectrum from 2+1+1 flavor MILC lattices
Abstract
We study the mass spectra and various mass differences of heavy hadrons containing one or more bottom quarks using MILC's HISQ gauge ensembles at three lattice spacings. For the valence quarks, we employ a combination of lattice actions: the NRQCD action is used for bottom quarks, the anisotropic Clover action for charm quarks, and the -improved Wilson--Clover action for strange and lighter (up/down) quarks. Heavy hadron operators with at least one bottom quark are constructed by considering all possible combinations with charm, strange, and light quarks corresponding to various quantum numbers.
Cite
@article{arxiv.2601.07360,
title = {Heavy hadron spectrum from 2+1+1 flavor MILC lattices},
author = {Sabiar Shaikh and Protick Mohanta and M. Padmanath and Subhasish Basak},
journal= {arXiv preprint arXiv:2601.07360},
year = {2026}
}
Comments
10 pages, 8 figures, 5 tables, new references added. Contribution to the 42nd International Symposium on Lattice Field Theory (Lattice 2025), 2-8 November 2025, TIFR Mumbai, India