18-24 June 2017
Palacio de Congresos
Europe/Madrid timezone
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Contribution Parallel

Andalucía II
Hadron Spectroscopy and Interactions

Comparison of different source calculations in two-nucleon channel at large quark mass


  • Takeshi YAMAZAKI

Primary authors



We investigate a systematic error coming from higher excited state contributions in the binding energy of light nucleus by comparing two different source calculations with the exponential and wall sources. Since it is hard to obtain a clear signal of the wall source correlation function in a plateau region, we employ a large quark mass as the pion mass is 0.8 GeV in quenched QCD. We discuss the systematic error in the spin-triplet channel of the two-nucleon system, and the volume dependence of the energy shift obtained from the two calculations.