Disconnected quark loop contributions to nucleon observables using $N_f=2$ twisted clover fermions at the physical value of the light quark mass

Abdou Abdel-Rehim; Alejandro Vaquero Avil\'es-Casco; Christos Kallidonis; Constantia Alexandrou; Giannis Koutsou; Karl Jansen; Kyriakos Hadjiyiannakou; Martha Constantinou

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Disconnected quark loop contributions to nucleon observables using N_f=2 twisted clover fermions at the physical value of the light quark mass

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arxiv 1511.00433 v1 pith:3RNFYFTS submitted 2015-11-02 hep-lat

Disconnected quark loop contributions to nucleon observables using N_f=2 twisted clover fermions at the physical value of the light quark mass

Abdou Abdel-Rehim , Constantia Alexandrou , Martha Constantinou , Kyriakos Hadjiyiannakou , Karl Jansen , Christos Kallidonis , Giannis Koutsou , Alejandro Vaquero Avil\'es-Casco This is my paper

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keywords massquarkclovercontributionsdisconnectedfermionsnucleonobservables

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We compute the disconnected quark loops contributions entering the determination of nucleon observables, by using a $N_f = 2$ ensemble of twisted mass fermions with a clover term at a pion mass $m_\pi = 133$ MeV. We employ exact deflation and implement all calculations in GPUs, enabling us to achieve large statistics and a good signal.

Disconnected quark loop contributions to nucleon observables using N_f=2 twisted clover fermions at the physical value of the light quark mass

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