نتایج جستجو برای: form factor

تعداد نتایج: 1479235  

Journal: :Nuclear Physics B - Proceedings Supplements 2006

Journal: :Journal of High Energy Physics 2016

Journal: :Acta Medica Scandinavica 2009

Journal: :Journal of High Energy Physics 2013

Journal: :Physical review 2023

We provide a novel approach to calculate the gravitational form factor of pion under ladder approximation Bethe-Salpeter equation, with contact interactions. Central this is symmetry-preserving treatment dressed $\pi\pi$ amplitude, which shows explicitly contributions from intrinsic quarks and bound states, latter being necessary produce $D$-term in soft-pion limit. The we work can be applied m...

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