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Cross sections for π−+p→n+kπ0 (k=1 to 5) and π−+p→n+η0(η0→2γ) for incident pion momenta between 1.3 and 3.8 GeV/c

H. R. Crouch, Jr.a, R. Hargravesb, R. E. Lanou, Jr., J. T. Massimo, A. E. Piferc, and A. M. Shapiro

A. E. Brennerd, M. Ioffredoe, and F. D. Rudnickf

G. Calvelli, F. Gasparini, L. Guerriero, G. A. Salandin, A. Tomasin, C. Voci, and F. Waldner

P. Bastieng, B. Brabsonh, B. T. Feld, Y. Goldschmidt-Clermonti, V. Kistiakowsky, D. Millerj, I. A. Pless, A. Rogersk, L. Rosenson et al.

Y. Eisenberg and E. E. Ronat

  • Brown University, Providence, Rhode Island 02912

  • Harvard University, Cambridge, Massachusetts 02138

  • Istituto di Fisica dell'Universita di Padova, Padova, Italy

F. A. Triantisl, L. Venturam, T. L. Wattsn, and R. K. Yamamoto

  • Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

  • Weizmann Institute of Science, Rehovot, Israel

  • aCurrent address: New College, Sarasota, Florida.
  • bCurrent address: Dartmouth College, Hanover, New Hampshire.
  • cCurrent address: University of Arizona, Tucson, Arizona.
  • dCurrent address: Fermilab, Batavia, Illinois.
  • eCurrent address: Department of Defense, Washington, D. C.
  • fCurrent address: University of California, Los Angeles, California.
  • gCurrent address: Bell Labs, Holmdel, New Jersey.
  • hCurrent address: Indiana University, Bloomington, Indiana.
  • iPermanent address: CERN, CH 1211 Genève 23, Switzerland.
  • jCurrent address: Arcon Corporation, Waltham, Massachusetts.
  • kCurrent address: University of Tennessee, Knoxville, Tennessee.
  • lCurrent address: CERN, CH 1211 Genève 23, Switzerland.
  • mPermanent address: University of Padova, Padova, Italy.
  • nCurrent address: Rutgers University, New Brunswick, New Jersey.
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Phys. Rev. D 21, 3023 – Published 1 June, 1980

DOI: https://doi.org/10.1103/PhysRevD.21.3023

Abstract

This paper presents the results of a study of the dominant neutral final states from π−p interactions. The data were obtained in an experiment performed at the Brookhaven National Laboratory Alternating Gradient Synchrotron, using a set of steel-plate optical spark chambers surrounding a liquid-hydrogen target. We present differential and total cross sections for the reactions (1) π−p→n+π0 and (2) π−p→n+η0(η0→2γ) and total cross sections for the reactions (3) π−p→n+kπ0 (k=2, 3, 4, and 5) and (4) π−p→all neutrals for eighteen values of beam momentum in the interval 1.3 to 4.0 GeV/c. The angular distributions for (1) and (2) have been analyzed in terms of expansions in Legendre polynomials, the coefficients for which are also given.

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References (12)

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Outline

Information

Phys. Rev. D 21, 3023– Published 1 June, 1980
  • Received 28 September 1979

© 1980 American Physical Society

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