Physics, 22.09.2019 02:20 tjyoder718
Consider the interaction ete t (i give the formula for how the interaction rate at a collider depends geometrical cross section of the beams (ii) draw the tree-level feynman diagram for this interaction, clearly labelling all fundamental particles and the initial and final states (iii) list the gauge bosons that may act as propagators at tree-level for this interaction list the gauge bosons that may not act as propagators for this interactions and state why they can not (iv) state how the cross-section and therefore the probability of the interaction depend on the matrix element m. explain how the matrix element is composed, and give the general prop- agator term. state which propagator would dominate at centre-of-mass energies of 1 gev and 90 gev.
Answers: 3
Physics, 22.06.2019 10:30
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Physics, 22.06.2019 17:30
Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.
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Physics, 23.06.2019 02:10
Which best describes the weak nuclear force? it maintains attraction between the m ecules in liquids. it attracts the nucleus of one atom to the nucleus of another atom. it pulls all matter in the universe together it keeps particles that make up protons and neutrons together
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Consider the interaction ete t (i give the formula for how the interaction rate at a collider depend...
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