Skip to main content
Log in

Some astrophysical implications of second-order effects in theV-A theory of weak interactions

Некоторые астрофиэические следствия зффектов второго порядка вV - A теории слабых вэаимодействий

  • Published:
Il Nuovo Cimento A (1971-1996)

Summary

The astrophysical implications of a previous attempt to evaluate the second (and higher)-order terms in theV-A current-current theory are considered. The pair annihilation process is analysed in details; then it has been found to which extent the second-order terms contribute in the presence of first-order effects. Also a treatment of the second-order contributions has been made in the case of absence of the first-order process (eν e)→(ν ee),i.e. absence of the diagonal interaction. Furthermore other processes are briefly discussed in respect of the relevance of second-order terms. The physical situations in which second-order terms may give observable effects are indicated, while the hypothesis of absence of the diagonal interaction is found in contradiction with the observations.

Riassunto

Si considerano le implicazioni astrofisiche di un tentativo precedente di calcolare i termini di ordine superiore nella teoriaV-A delle interazioni deboli. Il processo di annichilazione di coppie è analizzato dettagliatamente; quindi le correzioni del secondo ordine rispetto al primo ordine sono state valutate. Sono state, anche, considerati i contributi del secondo ordine nel caso di assenza del processo del primo ordine (eνe)→(eνe) (ovvero in assenza dell’interazione diagonale). Inoltre altri processi sono stati brevemente discussi in relazione all’importanza dei termini del secondo ordine. Le situazioni fisiche in cui i termini del secondo ordine possono produrre effetti osservabili sono indicate, mentre si è trovato che l’ipotesi dell’asseza dell’interazione diagnoale è in contraddizione con le osservazioni.

Реэюме

Рассматриваются астрофиэические следствия попытки оценить члены второго (и более высокого) порядка вV - A теории слабых вэаимодействий. Подробно аналиэируется процесс аннигиляции пар. Затем был определен вклад членов второго порядка при наличии зффектов первого порядка. В том случае, когда отсутствует процесс первого порядка (eνe)→(eνe) т.е. отсутствует диагональное вэаимодействие, было проведено рассмотрение вкладов второго порядка. Кроме того, вкратце обсуждаются другие процессы, имеюшие отнощение к членам второго порядка. Укаэываются фиэические ситуации, в которых члены второго порядка могут дать наблюдаемые зффекты, в то время как гипотеэа отсутствия диагонального вэаимодействия противоречит наблюдениям.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. G. Maiella andA. Lopez-Cepero: preprint, CPT-101, University of Texas.

  2. R. P. Feynman andM. Gell-Mann:Phys. Rev.,109, 193 (1958);E. C. G. Sudarshan andR. E. Marshak:Phys. Rev.,108, 1860 (1958).

    Article  ADS  MathSciNet  Google Scholar 

  3. M. Gell-Mann, M. L. Goldberger, N. M. Kroll andT. E. Low:Phys. Rev.,179, 1518 (1969).

    Article  ADS  Google Scholar 

  4. M. A. Ruderman:Topical Conference on Weak Interactions (Geneva, 1969), CERN 69-7.

  5. C. Chiu andR. Stothers:Astrophys. Journ.,152, 225 (1968).

    Article  ADS  Google Scholar 

  6. R. Stothers:Astrophys. Journ.,155, 935 (1969).

    Article  ADS  Google Scholar 

  7. P. Bandyopadhyay:Nuovo Cimento,1 A, 680 (1971).

    Article  ADS  Google Scholar 

  8. H. Arp:Astron. Journ.,64, 254 (1959).

    Article  ADS  Google Scholar 

  9. C. Hayashi andR. C. Cameron:Astrophys. Journ.,136, 166 (1962).

    Article  ADS  Google Scholar 

  10. T. E. Clifford andR. Taylor:Mem. Roy. Astr. Soc.,69, 2 (1965).

    Google Scholar 

  11. W. A. Trowler andT. Hoyle:Astrophys. Journ., Supplement,91 (1964).

  12. C. W. Chiu, H. Y. Chiu andR. Stothers:Ann. of Phys.,39, 280 (1966).

    Article  ADS  Google Scholar 

  13. H. Y. Chiu:Phys. Rev.,123, 1040 (1961).

    Article  ADS  Google Scholar 

  14. In ref. (1) we have considered in details the problems arising from the nonrenormalizability of theV-A current theory; particularly the arbitrariness of the parametrization (2.6) has been discussed, and the sense of it has been clarified. It has been, then, established thatB 1 renormalizes the bare coupling constantG 0, while it is plausible thatB 2<105. ForC 1 there should be no reason for being larger thanB 2.

  15. The hadronic finite part cannot be calculated perturbatively. But on the other hand the constantB 2 should include « effectively » the hadronic contribution, as is argued in ref. (1).

  16. H. Y. Chiu andP. Morrison:Phys. Rev. Lett.,5, 573 (1960).

    Article  ADS  Google Scholar 

  17. A. Lenard:Phys. Rev.,90, 968 (1953).I (1,1)μν is usually referred to as Lenard’s identity. In this regard, then, it would be fittingly appropriate to callI ( m,n)μ...νϱ...σ : the generalized Lenard identity.

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

To speed up publication, the authors of this paper have agreed to not receive the proofs for correction.

Research supported by the U.S. Atomic Energy Commission under Contract No. AT(40-1)3992.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Lopez-Cepero, A.B., Maiella, G. Some astrophysical implications of second-order effects in theV-A theory of weak interactions. Nuov Cim A 14, 245–268 (1973). https://doi.org/10.1007/BF02728952

Download citation

  • Received:

  • Revised:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02728952

Navigation