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Twistor diagram equalities for generalized mass-scattering integrals for Dirac fields

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Czechoslovak Journal of Physics Aims and scope

Abstract

A method which enables one to convert the integral of a holomorphic projective twistor one-form into the integral of a holomorphic projective twistor three-form is used to modify the end-vertex structures of certain twistor diagrams that represent mass-scattering integrals for Dirac fields. Each term of the twistorial diagrammatic expansions recovering the entire fields is then re-expressed appropriately. This gives rise to four sets of explicit twistor-diagram equalities for the mass-scattering formulae.

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References

  1. Penrose R.:in Relativity, Groups and Topology: the 1963 Les Houches Lectures (edited by B. S. DeWitt and C. M. DeWitt). Gordon and Breach, New York, 1963.

    Google Scholar 

  2. Penrose R.: Gen. Relativ. Gravit.12 (1980) 225.

    Google Scholar 

  3. Penrose R. and Rindler W.: Spinors and Space-Time. Cambridge University Press, Cambridge, 1984.

    Google Scholar 

  4. Cardoso J. G.: M. Sc. Thesis. University of Oxford, 1988.

  5. Cardoso J. G.: Int. J. Theor. Phys.12 (1991) 1565.

    Google Scholar 

  6. Cardoso J. G.: J. Math. Phys.35 (1994) 294.

    Google Scholar 

  7. Cardoso J. G.: Acta Physica Polonica B23 (1992) 887.

    Google Scholar 

  8. Penrose R.:in Quantum Gravity: An Oxford Symposium (edited by C. J. Isham, R. Penrose and D. W. Sciama). Oxford University Press, Oxford, 1975.

    Google Scholar 

  9. Cardoso J. G.: Int. J. Mod. Phys. A8 (1993) 2437.

    Google Scholar 

  10. Penrose R. and MacCallum M. A. H.: Phys. Rep. C6 (1972) 241.

    Google Scholar 

  11. Busacker R. G. and Saaty T. L.: Finite Graphs and Networks: An Introduction with Applications. Mc Graw-Hill Book Comp., New York, 1965.

    Google Scholar 

  12. Nakanishi N.: Graph Theory and Feynman Integrals. Gordon and Breach Science Publishers, New York, 1971.

    Google Scholar 

  13. Cardoso J. G.: Int. J. Theor. Phys.4 (1991) 447.

    Google Scholar 

  14. Penrose R.: Int. J. Theor. Phys.1 (1968) 61.

    Google Scholar 

  15. Penrose R. and Rindler W.: Spinors and Space-Time. Cambridge University Press, Cambridge, 1986.

    Google Scholar 

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I am most grateful to Professor Roger Penrose for making a key point concerning the introduction of the basic auxiliary-twistor vertices. My warmest thanks go to the World Laboratory for supporting this work financially. I wish to acknowledge the Third World Academy of Sciences for a relevant travel grant. I am grateful, also, to Dr. Asghar Quadir for his invaluable suggestions.

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Cardoso, J.G. Twistor diagram equalities for generalized mass-scattering integrals for Dirac fields. Czech J Phys 44, 663–686 (1994). https://doi.org/10.1007/BF01694838

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