π-p interactions at 360 GeV/c: Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution

A. Firestone; E. W. Anderson; V. Chang; H. B. Crawley; W. J. Kernan; D. L. Parker; R. G. Glasser; D. G. Hill; M. Kazuno; G. McClellan; H. Price; B. Sechi-Zorn; G. A. Snow; F. Svrcek; B. Y. Oh; M. Pratap; G. Sionakides; G. A. Smith; J. Whitmore; N. N. Biswas; R. L. Bolduc; P. D. Higgins; J. M. Bishop; N. M. Cason; V. P. Kenney; D. S. Rhines; W. D. Shephard

doi:10.1103/PhysRevD.14.2902

π-p interactions at 360 GeV/c: Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution

A. Firestone, E. W. Anderson, V. Chang, H. B. Crawley, W. J. Kernan, D. L. Parker, R. G. Glasser, D. G. Hill, M. Kazuno, G. McClellan, H. Price, B. Sechi-Zorn, G. A. Snow, F. Svrcek, B. Y. Oh, M. Pratap, G. Sionakides, G. A. Smith, J. Whitmore, N. N. BiswasR. L. Bolduc, P. D. Higgins, J. M. Bishop, N. M. Cason, V. P. Kenney, D. S. Rhines, W. D. Shephard

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Abstract

In a sample of 108 563 pictures taken with the Fermilab 30-inch hydrogen bubble chamber, exposed to a 360-GeV/c π- beam, we have observed 19 453 interactions in a selected fiducial region. The observed charged multiplicity distribution has been corrected for the effects of scan efficiency, errors in prong count, missed close-in vees, secondary interactions, and neutron stars and for Dalitz pairs. The two-prong events have been corrected for losses at low -t. The total cross section is measured to be 25.25 ± 0.35 mb, and the elastic cross section is 3.61 ± 0.11 mb with an exponential slope of (8.82 ± 0.30) (GeV/c)-2. The average charged-particle multiplicity for inelastic events is 8.73 ± 0.04, and the second moment f2 is measured to be 9.83 ± 0.23.

Original language	English (US)
Pages (from-to)	2902-2908
Number of pages	7
Journal	Physical Review D
Volume	14
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.14.2902
State	Published - 1976
Externally published	Yes

Bibliographical note

Funding Information:
Work supported by the National Science Foundation.

Funding Information:
Work supported by the U.S. Energy Research and Development Administration.

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Firestone, A., Anderson, E. W., Chang, V., Crawley, H. B., Kernan, W. J., Parker, D. L., Glasser, R. G., Hill, D. G., Kazuno, M., McClellan, G., Price, H., Sechi-Zorn, B., Snow, G. A., Svrcek, F., Oh, B. Y., Pratap, M., Sionakides, G., Smith, G. A., Whitmore, J., ... Shephard, W. D. (1976). π-p interactions at 360 GeV/c: Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution. Physical Review D, 14(11), 2902-2908. https://doi.org/10.1103/PhysRevD.14.2902

Firestone, A, Anderson, EW, Chang, V, Crawley, HB, Kernan, WJ, Parker, DL, Glasser, RG, Hill, DG, Kazuno, M, McClellan, G, Price, H, Sechi-Zorn, B, Snow, GA, Svrcek, F, Oh, BY, Pratap, M, Sionakides, G, Smith, GA, Whitmore, J, Biswas, NN, Bolduc, RL, Higgins, PD, Bishop, JM, Cason, NM, Kenney, VP, Rhines, DS & Shephard, WD 1976, 'π-p interactions at 360 GeV/c: Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution', Physical Review D, vol. 14, no. 11, pp. 2902-2908. https://doi.org/10.1103/PhysRevD.14.2902

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abstract = "In a sample of 108 563 pictures taken with the Fermilab 30-inch hydrogen bubble chamber, exposed to a 360-GeV/c π- beam, we have observed 19 453 interactions in a selected fiducial region. The observed charged multiplicity distribution has been corrected for the effects of scan efficiency, errors in prong count, missed close-in vees, secondary interactions, and neutron stars and for Dalitz pairs. The two-prong events have been corrected for losses at low -t. The total cross section is measured to be 25.25 ± 0.35 mb, and the elastic cross section is 3.61 ± 0.11 mb with an exponential slope of (8.82 ± 0.30) (GeV/c)-2. The average charged-particle multiplicity for inelastic events is 8.73 ± 0.04, and the second moment f2 is measured to be 9.83 ± 0.23.",

author = "A. Firestone and Anderson, {E. W.} and V. Chang and Crawley, {H. B.} and Kernan, {W. J.} and Parker, {D. L.} and Glasser, {R. G.} and Hill, {D. G.} and M. Kazuno and G. McClellan and H. Price and B. Sechi-Zorn and Snow, {G. A.} and F. Svrcek and Oh, {B. Y.} and M. Pratap and G. Sionakides and Smith, {G. A.} and J. Whitmore and Biswas, {N. N.} and Bolduc, {R. L.} and Higgins, {P. D.} and Bishop, {J. M.} and Cason, {N. M.} and Kenney, {V. P.} and Rhines, {D. S.} and Shephard, {W. D.}",

note = "Funding Information: Work supported by the National Science Foundation. Funding Information: Work supported by the U.S. Energy Research and Development Administration. ",

year = "1976",

doi = "10.1103/PhysRevD.14.2902",

language = "English (US)",

volume = "14",

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T2 - Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution

AU - Firestone, A.

AU - Anderson, E. W.

AU - Chang, V.

AU - Crawley, H. B.

AU - Kernan, W. J.

AU - Parker, D. L.

AU - Glasser, R. G.

AU - Hill, D. G.

AU - Kazuno, M.

AU - McClellan, G.

AU - Price, H.

AU - Sechi-Zorn, B.

AU - Snow, G. A.

AU - Svrcek, F.

AU - Oh, B. Y.

AU - Pratap, M.

AU - Sionakides, G.

AU - Smith, G. A.

AU - Whitmore, J.

AU - Biswas, N. N.

AU - Bolduc, R. L.

AU - Higgins, P. D.

AU - Bishop, J. M.

AU - Cason, N. M.

AU - Kenney, V. P.

AU - Rhines, D. S.

AU - Shephard, W. D.

N1 - Funding Information: Work supported by the National Science Foundation. Funding Information: Work supported by the U.S. Energy Research and Development Administration.

PY - 1976

Y1 - 1976

N2 - In a sample of 108 563 pictures taken with the Fermilab 30-inch hydrogen bubble chamber, exposed to a 360-GeV/c π- beam, we have observed 19 453 interactions in a selected fiducial region. The observed charged multiplicity distribution has been corrected for the effects of scan efficiency, errors in prong count, missed close-in vees, secondary interactions, and neutron stars and for Dalitz pairs. The two-prong events have been corrected for losses at low -t. The total cross section is measured to be 25.25 ± 0.35 mb, and the elastic cross section is 3.61 ± 0.11 mb with an exponential slope of (8.82 ± 0.30) (GeV/c)-2. The average charged-particle multiplicity for inelastic events is 8.73 ± 0.04, and the second moment f2 is measured to be 9.83 ± 0.23.

AB - In a sample of 108 563 pictures taken with the Fermilab 30-inch hydrogen bubble chamber, exposed to a 360-GeV/c π- beam, we have observed 19 453 interactions in a selected fiducial region. The observed charged multiplicity distribution has been corrected for the effects of scan efficiency, errors in prong count, missed close-in vees, secondary interactions, and neutron stars and for Dalitz pairs. The two-prong events have been corrected for losses at low -t. The total cross section is measured to be 25.25 ± 0.35 mb, and the elastic cross section is 3.61 ± 0.11 mb with an exponential slope of (8.82 ± 0.30) (GeV/c)-2. The average charged-particle multiplicity for inelastic events is 8.73 ± 0.04, and the second moment f2 is measured to be 9.83 ± 0.23.

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DO - 10.1103/PhysRevD.14.2902

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JO - Physical Review D

JF - Physical Review D

IS - 11

ER -

π-p interactions at 360 GeV/c: Measurement of the total and elastic cross sections and the charged-particle multiplicity distribution

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