Nucleon matrix elements with N<inf>f</inf> = 2 + 1 + 1 maximally twisted fermions

S Dinter; C Alexandrou; M Constantinou; V Drach; K Jansen; D Renner

Nucleon matrix elements with N<inf>f</inf> = 2 + 1 + 1 maximally twisted fermions

S Dinter, C Alexandrou, M Constantinou, V Drach, K Jansen, D Renner

School of Engineering, Computing and Mathematics

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Abstract

We present the first lattice calculation of nucleon matrix elements using four dynamical flavors. We use the Nf = 2+1+1 maximally twisted mass formulation. The renormalization is performed non-perturbatively in the RI0-MOM scheme and results are given for the vector and axial vector operators with up to one-derivative. Our calculation of the average momentum of the unpolarized non-singlet parton distribution is presented and compared to our previous results obtained from the Nf = 2 case.

Original language	English
Number of pages	0
Journal	Proceedings of Science
Volume	105
Issue number	0
Publication status	Published - 1 Jan 2010

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title = "Nucleon matrix elements with Nf = 2 + 1 + 1 maximally twisted fermions",

abstract = "We present the first lattice calculation of nucleon matrix elements using four dynamical flavors. We use the Nf = 2+1+1 maximally twisted mass formulation. The renormalization is performed non-perturbatively in the RI0-MOM scheme and results are given for the vector and axial vector operators with up to one-derivative. Our calculation of the average momentum of the unpolarized non-singlet parton distribution is presented and compared to our previous results obtained from the Nf = 2 case.",

author = "S Dinter and C Alexandrou and M Constantinou and V Drach and K Jansen and D Renner",

year = "2010",

month = jan,

day = "1",

language = "English",

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journal = "Proceedings of Science",

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T1 - Nucleon matrix elements with Nf = 2 + 1 + 1 maximally twisted fermions

AU - Dinter, S

AU - Alexandrou, C

AU - Constantinou, M

AU - Drach, V

AU - Jansen, K

AU - Renner, D

PY - 2010/1/1

Y1 - 2010/1/1

N2 - We present the first lattice calculation of nucleon matrix elements using four dynamical flavors. We use the Nf = 2+1+1 maximally twisted mass formulation. The renormalization is performed non-perturbatively in the RI0-MOM scheme and results are given for the vector and axial vector operators with up to one-derivative. Our calculation of the average momentum of the unpolarized non-singlet parton distribution is presented and compared to our previous results obtained from the Nf = 2 case.

AB - We present the first lattice calculation of nucleon matrix elements using four dynamical flavors. We use the Nf = 2+1+1 maximally twisted mass formulation. The renormalization is performed non-perturbatively in the RI0-MOM scheme and results are given for the vector and axial vector operators with up to one-derivative. Our calculation of the average momentum of the unpolarized non-singlet parton distribution is presented and compared to our previous results obtained from the Nf = 2 case.

UR - https://pearl.plymouth.ac.uk/context/secam-research/article/2186/viewcontent/1101.5540v1.pdf

M3 - Conference proceedings published in a journal

SN - 1824-8039

VL - 105

JO - Proceedings of Science

JF - Proceedings of Science

IS - 0

ER -

Nucleon matrix elements with N<inf>f</inf> = 2 + 1 + 1 maximally twisted fermions

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