Journal
PHYSICAL REVIEW D
Volume 89, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.89.034502
Keywords
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Funding
- Cyprus Institute [lspro113s1, lsprob115s1]
- Cyprus Research Promotion Foundation [NEA YPiODeltaOMH/SigmaTPATH/0308/31, KY-Gamma/0310/02/]
- European Community's Seventh Framework Programme [RI-283493]
- Research Executive Agency of the European Union [PITN-GA-2009-238353]
- FP7 infrastructures-1 project HadronPhysics3 [283286]
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We investigate the excited states of the nucleon using N-f = 2 twisted mass gauge configurations with pion masses in the range of about 270 to 450 MeV and one ensemble of N-f = 2 Clover fermions at almost physical pion mass. We use two different sets of variational bases and study the resulting generalized eigenvalue problem. We present results for the two lowest positive and negative parity states.
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