Double-Peaked <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mo>log</mo></mrow><mrow><mo>tan</mo></mrow><mfrac><mrow><mn>1</mn></mrow><mrow><mn>2</mn></mrow></mfrac><mi>θ</mi></math></span> Distributions and Their Relation to Fireballs

G. Zgrablich

doi:10.1103/PhysRevD.4.871

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Double-Peaked $log tan \frac{1}{2} θ$ Distributions and Their Relation to Fireballs

G. Zgrablich

Facultad de Ciencias Fisico-Quimico-Matematicas, Universidad Nacional de Cuyo, San Luis, Argentina

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Phys. Rev. D 4, 871 – Published 1 August, 1971

DOI: https://doi.org/10.1103/PhysRevD.4.871

Abstract

The double-peaked feature of the $log tan \frac{1}{2} θ$ distribution of secondary particles in a cosmicray jet is predicted not only by the two-fireball model, but also by a number of other phenomenological and empirical models. It is shown that in these models there is also a simple explanation for the occurrence of the two peaks, namely, the independence of $p_{∥}$ from $p_{t}$ in the c.m. system. Infinite-fireball models do not lead to the double-peaked distribution even when two groups (or clouds) of fireballs are considered.

Comments & Replies

Inclusive Single-Particle Spectra According to the Thermodynamic Model and Double- and Single-Peaked $\ln tan \frac{1}{2} θ$ Distributions

J. Ranft

Phys. Rev. D 6, 2055 (1972)

References (18)

P. Ciok et al., Nuovo Cimento 8, 166 (1958)
G. Cocconi, Phys. Rev. 111, 1699 (1958)
K. Niu, Nuovo Cimento 10, 994 (1958)
K. Imaeda, Nuovo Cimento 26, 417 (1962)
G. Cocconi, L. J. Koester, and D. H. Perkins, Lawrence Radiation Laboratory Report No. UCRL-10022, 1961 (unpublished)
J. R. Wayland and T. Bowen, Nuovo Cimento 48A, 663 (1967)
J. R. Wayland, Phys. Rev. 175, 2106 (1968)
M. La Pointe and J. R. Wayland, Phys. Rev. 185, 2041 (1969)
R. Hagedorn, Nuovo Cimento Suppl. 3, 147 (1965)
R. Hagedorn and J. Ranft, Nuovo Cimento Suppl. 6, 169 (1968)
R. Hagedorn, Nuovo Cimento Suppl. 6, 311 (1968)
R. Hagedorn, Nuovo Cimento 52A, 1336 (1967) ibid.56A, 1027 (1968)
J. L. Day et al., Phys. Rev. Letters 23, 1055 (1969)
R. W. Huggett, in Proceedings of the Ninth International Conference on Cosmic Rays, 1965, edited by A. C. Stickland (Institute of Physics and Physical Society of London, London, England, 1966)
G. Zgrablich and J. R. Wayland, Phys. Rev. D 1, 1501 (1970)
E. I. Daibog and I. L. Rozental, in Proceedings of the Eleventh International Conference on Cosmic Rays, Budapest, 1969 (unpublished)
E. Crinó, O. Miguel, A. Fasulo, and G. Zgrablich, in Proceedings of the Sixth Interamerican Seminar on Cosmic Rays, La Paz, Bolivia (Department of Physics, University of La Paz, 1970), Vol. III, p. 804
J. Ranft, Rutherford High-Energy Laboratory Report No. RHEL R-165, 1968 (unpublished) R. Hagedorn, Nucl. Phys. B24, 93 (1970)

[c1] P. Ciok et al., Nuovo Cimento 8, 166 (1958)

[c2] G. Cocconi, Phys. Rev. 111, 1699 (1958)

[c3] K. Niu, Nuovo Cimento 10, 994 (1958)

[c4] K. Imaeda, Nuovo Cimento 26, 417 (1962)

[c5] G. Cocconi, L. J. Koester, and D. H. Perkins, Lawrence Radiation Laboratory Report No. UCRL-10022, 1961 (unpublished)

[c6] J. R. Wayland and T. Bowen, Nuovo Cimento 48A, 663 (1967)

[c7] J. R. Wayland, Phys. Rev. 175, 2106 (1968)

[c8] M. La Pointe and J. R. Wayland, Phys. Rev. 185, 2041 (1969)

[c9] R. Hagedorn, Nuovo Cimento Suppl. 3, 147 (1965)

[c10] R. Hagedorn and J. Ranft, Nuovo Cimento Suppl. 6, 169 (1968)

[c11] R. Hagedorn, Nuovo Cimento Suppl. 6, 311 (1968)

[c12] R. Hagedorn, Nuovo Cimento 52A, 1336 (1967) ibid.56A, 1027 (1968)

[c13] J. L. Day et al., Phys. Rev. Letters 23, 1055 (1969)

[c14] R. W. Huggett, in Proceedings of the Ninth International Conference on Cosmic Rays, 1965, edited by A. C. Stickland (Institute of Physics and Physical Society of London, London, England, 1966)

[c15] G. Zgrablich and J. R. Wayland, Phys. Rev. D 1, 1501 (1970)

[c16] E. I. Daibog and I. L. Rozental, in Proceedings of the Eleventh International Conference on Cosmic Rays, Budapest, 1969 (unpublished)

[c17] E. Crinó, O. Miguel, A. Fasulo, and G. Zgrablich, in Proceedings of the Sixth Interamerican Seminar on Cosmic Rays, La Paz, Bolivia (Department of Physics, University of La Paz, 1970), Vol. III, p. 804

[c18] J. Ranft, Rutherford High-Energy Laboratory Report No. RHEL R-165, 1968 (unpublished) R. Hagedorn, Nucl. Phys. B24, 93 (1970)

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Double-Peaked $log tan \frac{1}{2} θ$ Distributions and Their Relation to Fireballs

Abstract

Comments & Replies

Inclusive Single-Particle Spectra According to the Thermodynamic Model and Double- and Single-Peaked $\ln tan \frac{1}{2} θ$ Distributions

References (18)

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Double-Peaked logtan12θ Distributions and Their Relation to Fireballs

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Inclusive Single-Particle Spectra According to the Thermodynamic Model and Double- and Single-Peaked lntan12θ Distributions

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Double-Peaked $log tan \frac{1}{2} θ$ Distributions and Their Relation to Fireballs

Inclusive Single-Particle Spectra According to the Thermodynamic Model and Double- and Single-Peaked $\ln tan \frac{1}{2} θ$ Distributions