Pion and Kaon pair production in photon-photon collisions

H. Aihara, M. Alston-Garnjost, R. E. Avery, A. Barbaro-Galtieri, A. R. Barker, A. V. Barnes, B. A. Barnett, D. A. Bauer, H. U. Bengtsson, D. L. Bintinger, B. J. Blumenfeld, G. J. Bobbink, A. D. Bross, C. D. Buchanan, A. Buijs, M. P. Cain, D. O. Caldwell, O. Chamberlain, C. Y. Chien, A. R. ClarkG. D. Cowan, D. A. Crane, O. I. Dahl, K. A. Derby, J. J. Eastman, P. H. Eberhard, A. M. Eisner, R. Enomoto, F. C. Erné, T. Fujii, B. Gabioud, J. W. Gary, W. Gorn, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, U. P. Joshi, T. Kamae, H. S. Kaye, K. H. Kees, R. W. Kenney, L. T. Kerth, Winston Ko, R. I. Koda, R. R. Kofler, K. K. Kwong, R. L. Lander, W. G.J. Langeveld, J. G. Layter, F. L. Linde, C. S. Lindsey, S. C. Loken, A. Lu, X. Q. Lu, G. R. Lynch, R. J. Madaras, K. Maeshima, B. D. Magnuson, J. N. Marx, K. Maruyama, G. E. Masek, L. G. Mathis, J. A.J. Matthews, S. J. Maxfield, S. O. Melnikoff, E. S. Miller, W. Moses, R. R. McNeil, P. Nemethy, D. R. Nygren, P. J. Oddone, H. P. Paar, D. A. Park, D. E. Pellett, M. Pripstein, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, K. A. Schwitkis, J. C. Sens, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, J. R. Smith, J. S. Steinman, M. L. Stevenson, D. H. Stork, M. G. Strauss, M. K. Sullivan, T. Takahashi, J. R. Thompson, N. Toge, R. Van Tyen, B. Van Uitert, G. J. Vandalen, R. F. Van Daalen Wetters, W. Vernon, W. Wagner, E. M. Wang, Y. X. Wang, M. R. Wayne, W. A. Wenzel, J. T. White, M. C.S. Williams, Z. R. Wolf, H. Yamamoto, M. Yamauchi, S. J. Yellin, C. Zeitlin, W. M. Zhang

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We report measurements of the two-photon processes e+e-e+e - and e+e-e+e-K+K-, at an e+e- center-of-mass energy of 29 GeV. In the - data a high-statistics analysis of the f(1270) results in a width (f)=3.20.4 keV. The - continuum below the f mass is well described by a QED Born approximation, whereas above the f mass it is consistent with a QCD-model calculation if a large contribution from the f is assumed. For the K+K- data we find agreement of the high-mass continuum with the QCD prediction; limits on f(1520) and (1720) formation are presented.

    Original languageEnglish (US)
    Pages (from-to)404-407
    Number of pages4
    JournalPhysical Review Letters
    Volume57
    Issue number4
    DOIs
    StatePublished - 1986

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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