Author:
Ali Sajid,Bergner Georg,Gerber Henning,Kuberski Simon,Montvay Istvan,Münster Gernot,Piemonte Stefano,Scior Philipp
Abstract
Abstract
We have calculated the masses of bound states numerically in
$$ \mathcal{N} $$
N
= 1 supersymmetric Yang-Mills theory with gauge group SU(2). Using the suitably optimised variational method with an operator basis consisting of smeared Wilson loops and mesonic operators, we are able to obtain the masses of the ground states and first excited states in the scalar, pseudoscalar and spin-
$$ \frac{1}{2} $$
1
2
sectors. Extrapolated to the continuum limit, the corresponding particles appear to be approximately mass degenerate and to fit into the predicted chiral supermultiplets. The extended operator basis including both glueball-like and mesonic operators leads to improved results compared to earlier studies, and moreover allows us to investigate the mixing content of the physical states, which we compare to predictions in the literature.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
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