Quantum-chromodynamic radiation and mean scaling for hadronic and current processes

G. Pancheri-Srivastava; Y. Srivastava

doi:10.1103/PhysRevD.21.95

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Quantum-chromodynamic radiation and mean scaling for hadronic and current processes

G. Pancheri-Srivastava and Y. Srivastava^*

Instituto Nazionale di Física Nucleare, Laboratori Nazionali di Frascati, Frascati, Italy and Physics Department, Northeastern University, Boston, Massachusetts 02115

^*Permanent address.

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Phys. Rev. D 21, 95 – Published 1 January, 1980

DOI: https://doi.org/10.1103/PhysRevD.21.95

Abstract

A recently proposed model for the longitudinal- and transverse-momentum distribution of quantum-chromodynamics (QCD) radiation is shown to lead naturally to mean scaling. Excellent agreement is found for the normalized momentum distribution in $pp \to n π + X$ between our predictions and the data from 13 to 1500 GeV/c with $n$ , the number of pions, varying from 4 to 26. We also show that $μ$ -pair production by hadrons exhibits the same transverse-momentum spectrum as do the hadrons produced in $e^{+} e^{-}$ annihilation. This transverse scaling in the mean in terms of the dimensionless variable $z_{⊥} = \frac{k_{⊥}}{〈 k_{⊥} 〉}$ is interpreted as reflecting the primary (soft-gluon) QCD radiation distribution. Again, very good agreement is found for these normalized distributions and our theoretical scaling curves.

References (19)

G. Pancheri-Srivastava and Y. Srivastava, Phys. Rev. Lett. 43, 11 (1979)
G. Hanson, in Gauge Theories and Leptons, proceedings of the XIII Rencontre de Moriond, Les Arcs, Savoie, France, 1978, edited by J. Trân Thanh Vân (Editions Frontierès, Gif-sur-Yvette, 1978), p. 15
F. T. Dao et al., Phys. Rev. Lett. 33, 389 (1974)
H. Böggild et al., in High Energy Physics, proceedings of the European Physical Society International Conference, Palermo, 1975, edited by A. Zichichi (Editrice Compositori, Bologna, Italy, 1976)
A. Laasanen et al., Phys. Rev. Lett. 38, 1 (1977)
R. J. Yaes, Phys. Rev. Lett. 36, 821 (1976)
W. Ernst and I. Schmitt, Lett. Nuovo Cimento 16, 39 (1976)
G. Pancheri-Srivastava and Y. Srivastava, Phys. Rev. D 15, 2915 (1977)
E. Etim, G. Pancheri, and B. Touschek, Nuovo Cimento 51, 276 (1967) G. Pancheri, 60, 321 (1969) G. Pancheri-Srivastava, Phys. Lett. 44B, 109 (1973) M. Greco, G. Pancheri-Srivastava, and Y. Srivastava, ibid. 56B, 367 (1975) Nucl. Phys. B101, 234 (1975)
J. M. Cornwall and G. Tiktopoulos, Phys. Rev. D 13, 3370 (1976) ibid.15, 2937 (1977) T. Kinoshita and A. Ukawa, ibid. 15, 1596 (1977) ibid.16, 332 (1977)
M. Greco, F. Palumbo, G. Pancheri-Srivastava, and Y. Srivastava, Phys. Lett. 77B, 282 (1978) D. Butler and C. Nelson, Phys. Rev. D 18, 1196 (1978)
Yu. L. Dokshitser, D. I. D'yakonov, and S. I. Troyan, Leningrad Lectures, SLAC Report No. SLAC-Trans-183, 1978 (unpublished) J. Frenkel, M. Shailer, and J. C. Taylor, Nucl. Phys. B148, 228 (1979)
G. Altarelli, G. Parisi, and R. Petronzio, Phys. Lett. 76B, 351 (1978) ibid.76B, 356 (1978) R. Petronzio, in Phenomenology of Quantum Chromodynamics, proceedings of XIII Rencontre de Moriond, Les Arcs, Savoie, France, 1978 (Editions Frontières, Gif-sur-Yvette, 1978), p. 129
R. Field, in Proceedings of the 19th International Conference on High Energy Physics, Tokyo, 1978, edited by S. Homma, M. Kawaguchi, and H. Miyazawa (Phys. Soc. of Japan, Tokyo, 1979), p. 743
B. E. Y. Svenson and L. Sollin, Phys. Rev. Lett. 34, 1199 (1975)
L. Gutay, in Proceedings of the Conference on Hadronic Matter at High Density, Erice, Italy, 1978, edited by N. Cabibbo and L. Sertorio (Plenum, New York, to be published)
D. Sivers, R. Blankenbecler, and S. Brodsky, Phys. Rep. 23C, 1 (1976)
S. Childress et al., Northeastern University Report No. NUB-2370, 1978 (unpublished), submitted to the 19th International Conference on High Energy Physics, Tokyo, 1978
Anderson et al., Chicago Report No. EFI 78-38, 1978 (unpublished), submitted to the 19th International Conference on High Energy Physics, Tokyo, 1978

[c1] G. Pancheri-Srivastava and Y. Srivastava, Phys. Rev. Lett. 43, 11 (1979)

[c2] G. Hanson, in Gauge Theories and Leptons, proceedings of the XIII Rencontre de Moriond, Les Arcs, Savoie, France, 1978, edited by J. Trân Thanh Vân (Editions Frontierès, Gif-sur-Yvette, 1978), p. 15

[c3] F. T. Dao et al., Phys. Rev. Lett. 33, 389 (1974)

[c4] H. Böggild et al., in High Energy Physics, proceedings of the European Physical Society International Conference, Palermo, 1975, edited by A. Zichichi (Editrice Compositori, Bologna, Italy, 1976)

[c5] A. Laasanen et al., Phys. Rev. Lett. 38, 1 (1977)

[c6] R. J. Yaes, Phys. Rev. Lett. 36, 821 (1976)

[c7] W. Ernst and I. Schmitt, Lett. Nuovo Cimento 16, 39 (1976)

[c8] G. Pancheri-Srivastava and Y. Srivastava, Phys. Rev. D 15, 2915 (1977)

[c9] E. Etim, G. Pancheri, and B. Touschek, Nuovo Cimento 51, 276 (1967) G. Pancheri, 60, 321 (1969) G. Pancheri-Srivastava, Phys. Lett. 44B, 109 (1973) M. Greco, G. Pancheri-Srivastava, and Y. Srivastava, ibid. 56B, 367 (1975) Nucl. Phys. B101, 234 (1975)

[c10] J. M. Cornwall and G. Tiktopoulos, Phys. Rev. D 13, 3370 (1976) ibid.15, 2937 (1977) T. Kinoshita and A. Ukawa, ibid. 15, 1596 (1977) ibid.16, 332 (1977)

[c11] M. Greco, F. Palumbo, G. Pancheri-Srivastava, and Y. Srivastava, Phys. Lett. 77B, 282 (1978) D. Butler and C. Nelson, Phys. Rev. D 18, 1196 (1978)

[c12] Yu. L. Dokshitser, D. I. D'yakonov, and S. I. Troyan, Leningrad Lectures, SLAC Report No. SLAC-Trans-183, 1978 (unpublished) J. Frenkel, M. Shailer, and J. C. Taylor, Nucl. Phys. B148, 228 (1979)

[c13] G. Altarelli, G. Parisi, and R. Petronzio, Phys. Lett. 76B, 351 (1978) ibid.76B, 356 (1978) R. Petronzio, in Phenomenology of Quantum Chromodynamics, proceedings of XIII Rencontre de Moriond, Les Arcs, Savoie, France, 1978 (Editions Frontières, Gif-sur-Yvette, 1978), p. 129

[c14] R. Field, in Proceedings of the 19th International Conference on High Energy Physics, Tokyo, 1978, edited by S. Homma, M. Kawaguchi, and H. Miyazawa (Phys. Soc. of Japan, Tokyo, 1979), p. 743

[c15] B. E. Y. Svenson and L. Sollin, Phys. Rev. Lett. 34, 1199 (1975)

[c16] L. Gutay, in Proceedings of the Conference on Hadronic Matter at High Density, Erice, Italy, 1978, edited by N. Cabibbo and L. Sertorio (Plenum, New York, to be published)

[c17] D. Sivers, R. Blankenbecler, and S. Brodsky, Phys. Rep. 23C, 1 (1976)

[c18] S. Childress et al., Northeastern University Report No. NUB-2370, 1978 (unpublished), submitted to the 19th International Conference on High Energy Physics, Tokyo, 1978

[c19] Anderson et al., Chicago Report No. EFI 78-38, 1978 (unpublished), submitted to the 19th International Conference on High Energy Physics, Tokyo, 1978

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Quantum-chromodynamic radiation and mean scaling for hadronic and current processes

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References (19)

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