Abstract
We calculate the stress tensor, or energy-momentum tensor, form factors of the pion and of axial-vector mesons in the chiral limit of a hard-wall AdS/conformal-field-theory model of QCD. One (of the two) pion gravitational form factors is directly related to the second moment of the pion generalized parton distribution, thus providing a sum rule for the latter. As was also the case for vector mesons, both the pion and the axial-vector mesons appear strikingly more compact measured by the gravitational form factor than by the electromagnetic form factor.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
