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Hi, I'm doing some work on DVCS and was wondering if anyone could better explain the link between FF's, PDFs, Compton Form Factors, and GPDs.
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Form factors are mathematical functions used to describe the internal structure of a particle. They are used to calculate the probability of finding a particular particle inside another particle.
PDFs, or parton distribution functions, are mathematical functions that describe the probability of finding a specific type of quark or gluon inside a proton or neutron. They are essential in understanding the internal structure of hadrons.
Compton scattering is a process in which a photon interacts with a charged particle, such as an electron, and loses energy. This phenomenon is important in understanding the behavior of particles and their interactions with electromagnetic radiation.
GPDs, or generalized parton distributions, are mathematical functions that provide a more detailed description of the internal structure of hadrons compared to PDFs. They take into account the spatial distribution of partons inside the hadron, in addition to their momentum distribution.
Form factors, PDFs, Compton scattering, and GPDs are all important concepts in understanding the internal structure and interactions of particles. They help us make predictions and calculations in particle physics experiments, and provide valuable insights into the fundamental building blocks of the universe.