Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c

Patrick D Higgins; N. N. Biswas; J. M. Bishop; R. L. Bolduc; N. M. Cason; V. P. Kenney; R. C. Ruchti; W. D. Shephard; W. D. Walker; J. S. Loos; L. R. Fortney; A. T. Goshaw; W. J. Robertson; E. W. Anderson; H. B. Crawley; A. Firestone; R. Floyd; W. J. Kernan; J. W. Lamsa; D. L. Parker; G. A. Snow; B. Y. Oh; M. Pratap; G. Sionakides; G. A. Smith; J. Whitmore; V. Sreedhar; G. Levman; B. M. Schwarzschild; T. S. Yoon; G. Hartner; P. M. Patel; L. Voyvodic; R. J. Walker

doi:10.1103/PhysRevD.19.731

Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c

Patrick D Higgins, N. N. Biswas, J. M. Bishop, R. L. Bolduc, N. M. Cason, V. P. Kenney, R. C. Ruchti, W. D. Shephard, W. D. Walker, J. S. Loos, L. R. Fortney, A. T. Goshaw, W. J. Robertson, E. W. Anderson, H. B. Crawley, A. Firestone, R. Floyd, W. J. Kernan, J. W. Lamsa, D. L. ParkerG. A. Snow, B. Y. Oh, M. Pratap, G. Sionakides, G. A. Smith, J. Whitmore, V. Sreedhar, G. Levman, B. M. Schwarzschild, T. S. Yoon, G. Hartner, P. M. Patel, L. Voyvodic, R. J. Walker

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Abstract

We present a systematic study of Δ++ production in π-p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.

Original language	English (US)
Pages (from-to)	731-742
Number of pages	12
Journal	Physical Review D
Volume	19
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.19.731
State	Published - Jan 1 1979

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10.1103/PhysRevD.19.731

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Higgins, P. D., Biswas, N. N., Bishop, J. M., Bolduc, R. L., Cason, N. M., Kenney, V. P., Ruchti, R. C., Shephard, W. D., Walker, W. D., Loos, J. S., Fortney, L. R., Goshaw, A. T., Robertson, W. J., Anderson, E. W., Crawley, H. B., Firestone, A., Floyd, R., Kernan, W. J., Lamsa, J. W., ... Walker, R. J. (1979). Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c. Physical Review D, 19(3), 731-742. https://doi.org/10.1103/PhysRevD.19.731

Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c. / Higgins, Patrick D; Biswas, N. N.; Bishop, J. M.; Bolduc, R. L.; Cason, N. M.; Kenney, V. P.; Ruchti, R. C.; Shephard, W. D.; Walker, W. D.; Loos, J. S.; Fortney, L. R.; Goshaw, A. T.; Robertson, W. J.; Anderson, E. W.; Crawley, H. B.; Firestone, A.; Floyd, R.; Kernan, W. J.; Lamsa, J. W.; Parker, D. L.; Snow, G. A.; Oh, B. Y.; Pratap, M.; Sionakides, G.; Smith, G. A.; Whitmore, J.; Sreedhar, V.; Levman, G.; Schwarzschild, B. M.; Yoon, T. S.; Hartner, G.; Patel, P. M.; Voyvodic, L.; Walker, R. J.

In: Physical Review D, Vol. 19, No. 3, 01.01.1979, p. 731-742.

Research output: Contribution to journal › Article › peer-review

Higgins, PD, Biswas, NN, Bishop, JM, Bolduc, RL, Cason, NM, Kenney, VP, Ruchti, RC, Shephard, WD, Walker, WD, Loos, JS, Fortney, LR, Goshaw, AT, Robertson, WJ, Anderson, EW, Crawley, HB, Firestone, A, Floyd, R, Kernan, WJ, Lamsa, JW, Parker, DL, Snow, GA, Oh, BY, Pratap, M, Sionakides, G, Smith, GA, Whitmore, J, Sreedhar, V, Levman, G, Schwarzschild, BM, Yoon, TS, Hartner, G, Patel, PM, Voyvodic, L & Walker, RJ 1979, 'Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c', Physical Review D, vol. 19, no. 3, pp. 731-742. https://doi.org/10.1103/PhysRevD.19.731

Higgins, Patrick D ; Biswas, N. N. ; Bishop, J. M. ; Bolduc, R. L. ; Cason, N. M. ; Kenney, V. P. ; Ruchti, R. C. ; Shephard, W. D. ; Walker, W. D. ; Loos, J. S. ; Fortney, L. R. ; Goshaw, A. T. ; Robertson, W. J. ; Anderson, E. W. ; Crawley, H. B. ; Firestone, A. ; Floyd, R. ; Kernan, W. J. ; Lamsa, J. W. ; Parker, D. L. ; Snow, G. A. ; Oh, B. Y. ; Pratap, M. ; Sionakides, G. ; Smith, G. A. ; Whitmore, J. ; Sreedhar, V. ; Levman, G. ; Schwarzschild, B. M. ; Yoon, T. S. ; Hartner, G. ; Patel, P. M. ; Voyvodic, L. ; Walker, R. J. / Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c. In: Physical Review D. 1979 ; Vol. 19, No. 3. pp. 731-742.

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abstract = "We present a systematic study of Δ++ production in π-p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.",

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AU - Biswas, N. N.

AU - Bishop, J. M.

AU - Bolduc, R. L.

AU - Cason, N. M.

AU - Kenney, V. P.

AU - Ruchti, R. C.

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AU - Walker, W. D.

AU - Loos, J. S.

AU - Fortney, L. R.

AU - Goshaw, A. T.

AU - Robertson, W. J.

AU - Anderson, E. W.

AU - Crawley, H. B.

AU - Firestone, A.

AU - Floyd, R.

AU - Kernan, W. J.

AU - Lamsa, J. W.

AU - Parker, D. L.

AU - Snow, G. A.

AU - Oh, B. Y.

AU - Pratap, M.

AU - Sionakides, G.

AU - Smith, G. A.

AU - Whitmore, J.

AU - Sreedhar, V.

AU - Levman, G.

AU - Schwarzschild, B. M.

AU - Yoon, T. S.

AU - Hartner, G.

AU - Patel, P. M.

AU - Voyvodic, L.

AU - Walker, R. J.

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N2 - We present a systematic study of Δ++ production in π-p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.

AB - We present a systematic study of Δ++ production in π-p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.

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Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c

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