Tensor form factors of nucleon in QCD

We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related to the quark helicity-flip generalized parton distributions via their first moments. We employ the light-cone QCD sum rules to leading order i...

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Published inarXiv.org
Main Authors Erkol, Guray, Altug Ozpineci
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 07.10.2011
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Abstract We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related to the quark helicity-flip generalized parton distributions via their first moments. We employ the light-cone QCD sum rules to leading order in QCD and include distribution amplitudes up to twist 6 in order to calculate the three tensor form factors \(H_T\), \(E_T\) and \(\tilde{H}_T\). Our results agree well with those from other approaches in the low and high momentum-transfer regions.
AbstractList Phys. Lett. B 704 (2011) 551 We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related to the quark helicity-flip generalized parton distributions via their first moments. We employ the light-cone QCD sum rules to leading order in QCD and include distribution amplitudes up to twist 6 in order to calculate the three tensor form factors $H_T$, $E_T$ and $\tilde{H}_T$. Our results agree well with those from other approaches in the low and high momentum-transfer regions.
We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related to the quark helicity-flip generalized parton distributions via their first moments. We employ the light-cone QCD sum rules to leading order in QCD and include distribution amplitudes up to twist 6 in order to calculate the three tensor form factors \(H_T\), \(E_T\) and \(\tilde{H}_T\). Our results agree well with those from other approaches in the low and high momentum-transfer regions.
Author Altug Ozpineci
Erkol, Guray
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BackLink https://doi.org/10.48550/arXiv.1107.4584$$DView paper in arXiv
https://doi.org/10.1016/j.physletb.2011.09.089$$DView published paper (Access to full text may be restricted)
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Snippet We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related...
Phys. Lett. B 704 (2011) 551 We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure...
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SubjectTerms Form factors
Helicity
Mathematical analysis
Momentum transfer
Physics - High Energy Physics - Phenomenology
Spin structure
Sum rules
Tensors
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