Summary
Theq 2-dependence of the effective neutral-current Hamiltonian for lowest-order weak processes is investigated by generalizing the formalism introduced by Georgi and Weinberg. The method is applied to left-right-symmetric gauge models based on the groups\(\bar G_{LR} \equiv SU_{2L} \times SU_{2R} \times U_{1L + R} \) andG LR≡SU 2L×SU 2R×U 1L×U 1R.
Riassunto
Generalizzando il formalismo introdotto da Georgi e Weinberg, si esamina la dipendenza inq 2 dell’Hamiltoniano effettivo delle correnti neutre deboli all’ordine più basso. Il metodo è applicato a modelli di gauge ambidestri, basati sui gruppi\(\bar G_{LR} \equiv SU_{2L} \times SU_{2R} \times U_{1L + R} \) eG LR≡SU 2L×SU 2R×U 1L×U 1R.
Резюме
Исслэдуетсяq 2-зависимость эффективного Гамильтониана нейгральных токов для слабых процессов ниэшего порядка, обобщая формализм, введенный Джорджи и и Вейнбергом. Предложенный метод применяется к калибровочным моделям, основанным. Предложенный метод прнменгется к калибровочным моделям, основанным на группах\(\bar G_{LR} \equiv SU_{2L} \times SU_{2R} \times U_{1L + R} \) иG LR≡SU 2L×SU 2R×U 1L×U 1R.
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References
S. Weinberg:Phys. Rev. Lett.,19, 1264 (1967);A. Salam: inElementary Particle Theory, edited bySvartholm (Stockholm, 1968), p. 367.
C. Baltay: rapporteur’s talk at theXIX International Confernece on High-Energy Physics (Tokyo, 1978).
C. Y. Prescott, W. B. Atwood, R. L. A. Cottrell, H. DeStaebler, E. L. Garwin, A. Gonidec, R. H. Miller, L. S. Rochester, T. Sato, D. J. Sherden, C. K. Sinclair, S. Stein, R. E. Taylor, J. E. Clendenin, V. W. Hughes, N. Sasao, K. P. Schüler, M. G. Borghini, K. Lübelsmeyer andW. Jentschke:Phys. Lett.,77B, 347 (1978).
S. Weinberg: rapporteur’s talk at theXIX International Conference on High-Energy Physics (Tokyo, 1978).
J. J. Sakurai:Proceedings of the Topical Conference on Neutrino Physics at Accelerators, edited byA. G. Michette andP. B. Renton (Oxford, 1978).
J. C. Pati andS. Rajpoot:Phys. Lett.,79 B, 65 (1978).
H. Fritzsch:Proceedings of the XIX Conference on High-Energy Physics (Tokyo, 1978).
S. Weinberg:Phys. Lett.,29, 388 (1972);J. C. Pati andA. Salam:Phys. Rev. D,10, 275 (1974);R. N. Mohapatra andJ. C. Pati:Phys. Rev. D,11, 566, 2558 (1975);G. Senjanovic andR. N. Mohapatra:Phys. Rev. D,12, 1502 (1975);A. De Rújula, H. Georgi andS. L. Glashow:Ann. of Phys.,109, 242 (1977);J. C. Pati, S. Rajpoot andA. Salam:Phys. Rev. D,17, 131 (1978);R. N. Mohapatra:Proceedings of the Coral Gables Conference, edited byA. Perlmutter andL. S. Scott (1978), p. 337.
V. Elias, J. C. Pati andA. Salam:Phys. Lett.,73 B, 451 (1978);Q. Shafi andCh. Wetterich:Phys. Lett.,73 B, 65 (1978);J. C. Pati:Proceedings of the VIII International Seminar on Theoretical Physics (Salamanca, 1977).
H. Fritzsch andP. Minkowski:Nucl. Phys.,103 B, 61 (1976);J. C. Pati, S. Rajpoot andA. Salam:Phys. Rev. D,17, 131 (1978);R. N. Mohapatra andD. P. Sidhu:Phys. Rev. Lett.,38, 667 (1977);Phys. Rev. D,16, 2843 (1977);E. Ma:Nucl. Phys.,121 B, 421 (1977). Parity violation induced in these models by radiative corrections has been considered byQ. Shafi andCh. Wetterich:Phys. Lett.,69 B, 464 (1977);Nucl. Phys.,146 B, 247 (1978);W. J. Marciano andA. I. Sanda:Phys. Rev. D,17, 3055 (1978).
R. Barbieri, R. Gatto andF. Strocchi:Phys. Lett.,74 B, 344 (1978).
H. Georgi andS. Weinberg:Phys. Rev. D,17, 275 (1978).
V. Elias, J. C. Pati andA. Salam:Phys. Lett.,73 B, 451 (1978).
A. Janah: Maryland preprint, Phys. Pub. 78–227.
G. Costa, M. D’Anna andP. Marcolungo:Phys. Lett.,79 B, 287 (1978).
R. Gatto andF. Strocchi:Phys. Rev. D,18, 2062 (1978).
G. Senjanovic andR. N. Mohapatra:Phys. Rev. D,12, 1502 (1975);R. N. Mohapatra, F. E. Paige andD. P. Sidhu:Phys. Rev. D,17, 2462 (1978);H. S. Mani, J. C. Pati andA. Salam:Phys. Rev. D,17, 2510 (1978);P. Binetruy, M. K. Gaillard andZ. K. Kunszt:Nucl. Phys.,144 B, 141 (1978).
P. Ramond andD. B. Reiss:Phys. Lett.,80 B, 87 (1978).
G. C. Branco andG. Senjanovic:Phys. Rev. D,18, 1621 (1978).
R. Budny: Rockefeller University preprint (1977)
R. Gatto:Phys. Lett.,71 B, 194 (1977).
S. L. Adler:Phys. Rev.,177, 2426 (1969);J. S. Bell andR. Jackiw:Nuovo Cimento,60 A, 47 (1969).
D. J. Gross andR. Jackiw:Phys. Rev. D,6, 477 (1972);C. Bouchiat, J. Iliopoulos andPh. Meyer:Phys. Lett.,38 B, 519 (1972).
H. Georgi andS. L. Glashow:Phys. Rev. D,6, 429 (1972).
J. C. Pati andA. Salam:Phys. Lett.,58 B, 333 (1975).
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Costa, G., D’Anna, M. & Marcolungo, P. Neutral currents in unified gauge models. Il Nuovo Cimento A (1971-1996) 50, 177–196 (1979). https://doi.org/10.1007/BF02902000
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DOI: https://doi.org/10.1007/BF02902000