31 citations · 74 across the 6 of their papers we have counts for
8 papers
Tetraquark interpolating fields in a lattice QCD investigation of the meson
Constantia Alexandrou, Joshua Berlin, Jacob Finkenrath +2
We investigate the meson using lattice QCD and considering correlation functions of several two-quark and four-q…
Lattice QCD investigation of the structure of the meson
Constantia Alexandrou, Joshua Berlin, Mattia Dalla Brida +3
We investigate the quark content of the scalar meson using lattice QCD. To this end we consider correlation functions of six different two- and four-quark interpolating…
Using a new analysis method to extract excited states in the scalar meson sector
Jacob Finkenrath, Constantia Alexandrou, Joshua Berlin +3
We explore a method to extract energy eigenstates, called Athens Model Independent Analysis Scheme (AMIAS), which is an alternative to solving standard Generalized Eigenvalue Probl…
Investigating efficient methods for computing four-quark correlation functions
Abdou Abdel-Rehim, Constantia Alexandrou, Joshua Berlin +3
We discuss and compare the efficiency of various methods, combinations of point-to-all propagators, stochastic timeslice-to-all propagators, the one-end trick and sequential propag…
Importance of closed quark loops for lattice QCD studies of tetraquarks
Joshua Berlin, Abdou Abdel-Rehim, Constantia Alexandrou +5
To investigate the light scalar tetraquark candidate (quantum numbers ), a correlation matrix including a variety of two- and four-quark interpolating operator…
Computation of correlation matrices for tetraquark candidates with and flavor structure
Joshua Berlin, Abdou Abdel-Rehim, Constantia Alexandrou +3
The conjecture that several recently observed mesons have a structure, which is not dominated by an ordinary quark-antiquark pair, but by a four-quark structure, is being actively…
Investigation of the tetraquark candidate : technical aspects and preliminary results
Abdou Abdel-Rehim, Constantia Alexandrou, Joshua Berlin +3
We discuss technical aspects and first results of a lattice QCD study of the state. We employ various interpolating operators of quark-antiquark, mesonic molecule, diqua…
Testing mixed action approaches to meson spectroscopy with twisted mass sea quarks
Joshua Berlin, David Palao, Marc Wagner
We explore and compare three mixed action setups with Wilson twisted mass sea quarks and different valence quark actions: (1) Wilson twisted mass, (2) Wilson twisted mass + clover…