نتایج جستجو برای: charge radius

تعداد نتایج: 187015  

Journal: :Physical Review D 2016

Journal: :Reviews of Modern Physics 2022

The proton is responsible for about half the mass in our personal lives. So it perhaps surprising that little known how got here or bound from its fundamental quark and gluon constituents. This uncertainty largest source of error to extracting some constants nature. One observable probes internal structure tests theoretical description charge radius. radius sensitive quantum electrodynamics chr...

Journal: :Physical Review Letters 2012

Journal: :Physical Review Letters 2007

An improved M.I.T. bag model with hyper central interaction is used to calculate the charge radius for proton containing u and d quarks. We present a theoretical approach to the internal structure of three-body hyper central interacting quarks in a proton, in which we take proton as a bag. We discuss a few of results obtained using a six-dimension potential, which is attractive for small separa...

Journal: :EPL (Europhysics Letters) 2019

Journal: :Acta Physica Sinica 2020

Journal: :Physical Review D 2000

Journal: :The European Physical Journal C 2003

2003
J. Papavassiliou J. Bernabéu D. Binosi

It is shown that at one-loop order a neutrino charge radius (NCR) may be defined, which is ultraviolet finite, does not depend on the gauge-fixing parameter, nor on properties of the target other than its electric charge. This is accomplished through the systematic decomposition of physical amplitudes into effective self-energies, vertices, and boxes, which separately respect electroweak gauge ...

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