By John Dirk Walecka
ISBN-10: 0511018746
ISBN-13: 9780511018749
ISBN-10: 0521018390
ISBN-13: 9780521018395
ISBN-10: 0521780438
ISBN-13: 9780521780438
This publication examines the incentive for electron scattering and develops the theoretical research of the method. It discusses our present theoretical realizing of the underlying constitution of nuclei and nucleons at acceptable degrees of solution and class, and summarizes current experimental electron scattering functions. just a operating wisdom of quantum mechanics and unique relativity is believed, making this an appropriate textbook for graduate and complex undergraduate classes.
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Additional resources for Electron Scattering for Nuclear and Nucleon Structure (Cambridge Monographs on Particle Physics, Nuclear Physics and Cosmology)
Example text
The initial experiments at SLAC on parity violation in DIS [Pr78, Pr79] gave the first clear evidence that the weak neutral current has the structure predicted by the standard model of the electroweak interactions. Further experiments, originated at SLAC, on the scattering of polarized electrons by polarized nucleons [Hu83] allow one to examine the stronginteraction spin structure functions of the nucleon. 2) Here k1 = |k1 |. 4) There are three lepton variables in electron scattering, the initial and final electron energies ε1 and ε2 and the scattering angle θ, or equivalently 19 20 Part 1 Introduction Fig.
The antiparticle of the electron is the positron. If v(−p, λ) is the negative energy solution of a particle with charge e = −|e|, momentum −p and helicity λ with respect to −p, then it represents a positron with charge +|e|, momentum +p and helicity λ with respect to +p. ) Another immediate consequence of Dirac hole theory is that the vacuum becomes a dynamical quantity; it is polarizable for example, and relativistic quantum mechanics immediately confronts one with the relativistic quantum many-body problem.
35) plays the role of a “photon wave function,” since the square of this quantity gives the intensity distribution in (θk , φk ) of electromagnetic radiation carrying off {J, −M, λ} from the target. We proceed to calculate the transition rate for the process indicated in Fig. 5. 37) Mf The dk allows one to integrate over the energy-conserving delta function dk δ(Ef +ωk −Ei ) = 1/¯ hc. 38) Note that since λ is the same in both functions, the dependence on the last φ (which was the phase convention adopted for the third Euler angle −γ in Fig.
Electron Scattering for Nuclear and Nucleon Structure (Cambridge Monographs on Particle Physics, Nuclear Physics and Cosmology) by John Dirk Walecka
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