Why electron is a good probe for revealing the substructure of proton?
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Electrons not only can interact with gluons but this interaction has been a routine measurement at electron-proton colliders. This happens through the following diagrams (at the lowest order in the strong coupling constant). Note that those are tree level (i.e. no loop). This is the leading-order contribution to the electro-production of heavy flavours, especially studied was the case where qqis the top quark.
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सुप्रभात ! ☺
हिन्दी दिवस की हार्दिक शुभकामनाएँ !
__________________________
Electrons not only can interact with gluons but this interaction has been a routine measurement at electron-proton colliders. This happens through the following diagrams (at the lowest order in the strong coupling constant). Note that those are tree level (i.e. no loop). This is the leading-order contribution to the electro-production of heavy flavours, especially studied was the case where qqis the top quark.
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