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Nucleon spin and quark content at the physical point
Alexandrou, C Constantinou, M Hadjiyiannakou, K Kallidonis, C Koutsou, G Jansen, K Wiese, C Avilés-Casco, AV
Alexandrou, C
Constantinou, M
Hadjiyiannakou, K
Kallidonis, C
Koutsou, G
Jansen, K
Wiese, C
Avilés-Casco, AV
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2016-01-01
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© Copyright owned by the author(s). We present results on the spin and quark content of the nucleon using Nf =2 twisted mass cloverimproved fermion simulations with a pion mass close to its physical value. We use recently developed methods to obtain accurate results for both connected and disconnected contributions. We provide results for the axial charge, quark and gluon momentum fraction as well as the light, strange and charm sσ-terms.
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Proceedings of Science
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