TY  - JOUR
AU  - Hadjiyiannakou, Kyriacos
AU  - Alexandrou, Constantia
AU  - Bacchio, Simone
AU  - Constantinou, Martha
AU  - Finkenrath, Jacob
AU  - Jansen, Karl
AU  - Koutsou, Giannis
AU  - Panagopoulos, Haris
AU  - Spanoudes, Gregoris
TI  - Decomposition of the proton spin from lattice QCD
JO  - Proceedings of Science / International School for Advanced Studies
VL  - (LATTICE2021)
SN  - 1824-8039
CY  - Trieste
PB  - SISSA
M1  - PUBDB-2022-03241
T2  - 2097307
SP  - 348
PY  - 2022
AB  - The gluon and quark contributions to the proton spin are computed using an ensemble of gauge configurations with twisted mass Wilson fermions with masses tuned to approximately reproduce their physical values. A non-perturbative renormalization is carried out for both quark and gluon matrix elements. The contribution of up, down, strange and charm quarks to the proton intrinsic spin, orbital angular momentum and angular momentum are determined. All scale and scheme dependent quantities are given in the ―MS scheme at 2 GeV.
T2  - 38th International Symposium on Lattice Field Theory
CY  - 26 Jul 2021 - 30 Jul 2021, Online (United States)
Y2  - 26 Jul 2021 - 30 Jul 2021
M2  - Online, United States
KW  - p, spin (INSPIRE)
KW  - renormalization, nonperturbative (INSPIRE)
KW  - mass, twist (INSPIRE)
KW  - fermion, Wilson (INSPIRE)
KW  - quark (INSPIRE)
KW  - gluon (INSPIRE)
KW  - angular momentum (INSPIRE)
KW  - GeV (INSPIRE)
KW  - lattice field theory (INSPIRE)
KW  - charm (INSPIRE)
LB  - PUB:(DE-HGF)8 ; PUB:(DE-HGF)16
DO  - DOI:10.22323/1.396.0348
UR  - https://bib-pubdb1.desy.de/record/479850
ER  -