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Exotic and higher spin mesons in the charmonium
Jo Dudek, Robert Edwards, Nilmani Mathur +1
Exotic and higher spin (> 1) mesons are still not throughly investigated in lattice QCD. Using a set of derivative based operators we report our exploratory study of these mesons i…
On the Locality and Scaling of Overlap Fermions at Coarse Lattice Spacings
Terrence Draper, Nilmani Mathur, Jianbo Zhang +7
The overlap fermion offers the considerable advantage of exact chiral symmetry on the lattice, but is numerically intensive. This can be made affordable while still providing large…
Scalar Mesons a0(1450) and sigma(600) from Lattice QCD
Nilmani Mathur, A. Alexandru, Y. Chen +7
We study the a0 and sigma mesons with the overlap fermion in the chiral regime with the pion mass as low as 182 MeV in the quenched approximation. After the eta'pi ghost states are…