Measurement and analysis of the reaction γγ→3 π+3 π-

R. Pust, J. Olsson, J. Allison, K. Ambrus, R. J. Barlow, W. Bartel, S. Bethke, C. K. Bowdery, S. L. Cartwright, J. Chrin, D. Clarke, A. Dieckmann, I. P. Duerdoth, G. Eckerlin, E. Elsen, R. Felst, A. J. Finch, F. Foster, T. Greenshaw, J. Hagemann & 41 others D. Haidt, J. Heintze, G. Heinzelmann, K. H. Hellenbrand, P. Hill, G. Hughes, H. Kado, K. Kawagoe, C. Kleinwort, G. Knies, Sachio Komamiya, H. Krehbiel, J. v. Krogh, M. Kuhlen, F. K. Loebinger, A. A. Macbeth, N. Magnussen, R. Marshall, R. Meinke, R. P. Middleton, P. G. Murphy, B. Naroska, J. M. Nye, F. Ould-Saada, D. Pitzl, R. Ramcke, H. Rieseberg, A. Sato, D. Schmidt, L. Smolik, U. Schneekloth, J. A.J. Skard, J. Spitzer, P. Steffen, K. Stephens, T. Takeshita, A. Wagner, I. W. Walker, G. Weber, M. Zimmer, G. T. Zorn

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The reaction γγ→3 π+3 π- has been studied usig the JADE detector at PETRA. The topological cross section σ(γγ→3 π+3 π-) was measured in the CM energy range 1.5-5.5 GeV. The production of ρ0,s was observed and the average number of ρ0,s per event measured. The contributions of the subprocesses γγ→ρ02 π+2 π-, γγ→ρ0ρ0π+2 π- and γγ→ 3 π+3 π- (phase space) were studied and 95% C.L. upper limits for the cross section σ(γγ→ρ0ρ0π+π- determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.

Original languageEnglish
Pages (from-to)531-540
Number of pages10
JournalZeitschrift für Physik C Particles and Fields
Volume51
Issue number4
DOIs
Publication statusPublished - 1991 Dec 1
Externally publishedYes

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pions
Detectors
cross sections
detectors
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Pust, R., Olsson, J., Allison, J., Ambrus, K., Barlow, R. J., Bartel, W., ... Zorn, G. T. (1991). Measurement and analysis of the reaction γγ→3 π+3 π- Zeitschrift für Physik C Particles and Fields, 51(4), 531-540. https://doi.org/10.1007/BF01565577

Measurement and analysis of the reaction γγ→3 π+3 π- . / Pust, R.; Olsson, J.; Allison, J.; Ambrus, K.; Barlow, R. J.; Bartel, W.; Bethke, S.; Bowdery, C. K.; Cartwright, S. L.; Chrin, J.; Clarke, D.; Dieckmann, A.; Duerdoth, I. P.; Eckerlin, G.; Elsen, E.; Felst, R.; Finch, A. J.; Foster, F.; Greenshaw, T.; Hagemann, J.; Haidt, D.; Heintze, J.; Heinzelmann, G.; Hellenbrand, K. H.; Hill, P.; Hughes, G.; Kado, H.; Kawagoe, K.; Kleinwort, C.; Knies, G.; Komamiya, Sachio; Krehbiel, H.; v. Krogh, J.; Kuhlen, M.; Loebinger, F. K.; Macbeth, A. A.; Magnussen, N.; Marshall, R.; Meinke, R.; Middleton, R. P.; Murphy, P. G.; Naroska, B.; Nye, J. M.; Ould-Saada, F.; Pitzl, D.; Ramcke, R.; Rieseberg, H.; Sato, A.; Schmidt, D.; Smolik, L.; Schneekloth, U.; Skard, J. A.J.; Spitzer, J.; Steffen, P.; Stephens, K.; Takeshita, T.; Wagner, A.; Walker, I. W.; Weber, G.; Zimmer, M.; Zorn, G. T.

In: Zeitschrift für Physik C Particles and Fields, Vol. 51, No. 4, 01.12.1991, p. 531-540.

Research output: Contribution to journalArticle

Pust, R, Olsson, J, Allison, J, Ambrus, K, Barlow, RJ, Bartel, W, Bethke, S, Bowdery, CK, Cartwright, SL, Chrin, J, Clarke, D, Dieckmann, A, Duerdoth, IP, Eckerlin, G, Elsen, E, Felst, R, Finch, AJ, Foster, F, Greenshaw, T, Hagemann, J, Haidt, D, Heintze, J, Heinzelmann, G, Hellenbrand, KH, Hill, P, Hughes, G, Kado, H, Kawagoe, K, Kleinwort, C, Knies, G, Komamiya, S, Krehbiel, H, v. Krogh, J, Kuhlen, M, Loebinger, FK, Macbeth, AA, Magnussen, N, Marshall, R, Meinke, R, Middleton, RP, Murphy, PG, Naroska, B, Nye, JM, Ould-Saada, F, Pitzl, D, Ramcke, R, Rieseberg, H, Sato, A, Schmidt, D, Smolik, L, Schneekloth, U, Skard, JAJ, Spitzer, J, Steffen, P, Stephens, K, Takeshita, T, Wagner, A, Walker, IW, Weber, G, Zimmer, M & Zorn, GT 1991, 'Measurement and analysis of the reaction γγ→3 π+3 π- ', Zeitschrift für Physik C Particles and Fields, vol. 51, no. 4, pp. 531-540. https://doi.org/10.1007/BF01565577
Pust R, Olsson J, Allison J, Ambrus K, Barlow RJ, Bartel W et al. Measurement and analysis of the reaction γγ→3 π+3 π- Zeitschrift für Physik C Particles and Fields. 1991 Dec 1;51(4):531-540. https://doi.org/10.1007/BF01565577
Pust, R. ; Olsson, J. ; Allison, J. ; Ambrus, K. ; Barlow, R. J. ; Bartel, W. ; Bethke, S. ; Bowdery, C. K. ; Cartwright, S. L. ; Chrin, J. ; Clarke, D. ; Dieckmann, A. ; Duerdoth, I. P. ; Eckerlin, G. ; Elsen, E. ; Felst, R. ; Finch, A. J. ; Foster, F. ; Greenshaw, T. ; Hagemann, J. ; Haidt, D. ; Heintze, J. ; Heinzelmann, G. ; Hellenbrand, K. H. ; Hill, P. ; Hughes, G. ; Kado, H. ; Kawagoe, K. ; Kleinwort, C. ; Knies, G. ; Komamiya, Sachio ; Krehbiel, H. ; v. Krogh, J. ; Kuhlen, M. ; Loebinger, F. K. ; Macbeth, A. A. ; Magnussen, N. ; Marshall, R. ; Meinke, R. ; Middleton, R. P. ; Murphy, P. G. ; Naroska, B. ; Nye, J. M. ; Ould-Saada, F. ; Pitzl, D. ; Ramcke, R. ; Rieseberg, H. ; Sato, A. ; Schmidt, D. ; Smolik, L. ; Schneekloth, U. ; Skard, J. A.J. ; Spitzer, J. ; Steffen, P. ; Stephens, K. ; Takeshita, T. ; Wagner, A. ; Walker, I. W. ; Weber, G. ; Zimmer, M. ; Zorn, G. T. / Measurement and analysis of the reaction γγ→3 π+3 π- In: Zeitschrift für Physik C Particles and Fields. 1991 ; Vol. 51, No. 4. pp. 531-540.
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title = "Measurement and analysis of the reaction γγ→3 π+3 π-",
abstract = "The reaction γγ→3 π+3 π- has been studied usig the JADE detector at PETRA. The topological cross section σ(γγ→3 π+3 π-) was measured in the CM energy range 1.5-5.5 GeV. The production of ρ0,s was observed and the average number of ρ0,s per event measured. The contributions of the subprocesses γγ→ρ02 π+2 π-, γγ→ρ0ρ0π+2 π- and γγ→ 3 π+3 π- (phase space) were studied and 95{\%} C.L. upper limits for the cross section σ(γγ→ρ0ρ0π+π- determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.",
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TY - JOUR

T1 - Measurement and analysis of the reaction γγ→3 π+3 π-

AU - Pust, R.

AU - Olsson, J.

AU - Allison, J.

AU - Ambrus, K.

AU - Barlow, R. J.

AU - Bartel, W.

AU - Bethke, S.

AU - Bowdery, C. K.

AU - Cartwright, S. L.

AU - Chrin, J.

AU - Clarke, D.

AU - Dieckmann, A.

AU - Duerdoth, I. P.

AU - Eckerlin, G.

AU - Elsen, E.

AU - Felst, R.

AU - Finch, A. J.

AU - Foster, F.

AU - Greenshaw, T.

AU - Hagemann, J.

AU - Haidt, D.

AU - Heintze, J.

AU - Heinzelmann, G.

AU - Hellenbrand, K. H.

AU - Hill, P.

AU - Hughes, G.

AU - Kado, H.

AU - Kawagoe, K.

AU - Kleinwort, C.

AU - Knies, G.

AU - Komamiya, Sachio

AU - Krehbiel, H.

AU - v. Krogh, J.

AU - Kuhlen, M.

AU - Loebinger, F. K.

AU - Macbeth, A. A.

AU - Magnussen, N.

AU - Marshall, R.

AU - Meinke, R.

AU - Middleton, R. P.

AU - Murphy, P. G.

AU - Naroska, B.

AU - Nye, J. M.

AU - Ould-Saada, F.

AU - Pitzl, D.

AU - Ramcke, R.

AU - Rieseberg, H.

AU - Sato, A.

AU - Schmidt, D.

AU - Smolik, L.

AU - Schneekloth, U.

AU - Skard, J. A.J.

AU - Spitzer, J.

AU - Steffen, P.

AU - Stephens, K.

AU - Takeshita, T.

AU - Wagner, A.

AU - Walker, I. W.

AU - Weber, G.

AU - Zimmer, M.

AU - Zorn, G. T.

PY - 1991/12/1

Y1 - 1991/12/1

N2 - The reaction γγ→3 π+3 π- has been studied usig the JADE detector at PETRA. The topological cross section σ(γγ→3 π+3 π-) was measured in the CM energy range 1.5-5.5 GeV. The production of ρ0,s was observed and the average number of ρ0,s per event measured. The contributions of the subprocesses γγ→ρ02 π+2 π-, γγ→ρ0ρ0π+2 π- and γγ→ 3 π+3 π- (phase space) were studied and 95% C.L. upper limits for the cross section σ(γγ→ρ0ρ0π+π- determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.

AB - The reaction γγ→3 π+3 π- has been studied usig the JADE detector at PETRA. The topological cross section σ(γγ→3 π+3 π-) was measured in the CM energy range 1.5-5.5 GeV. The production of ρ0,s was observed and the average number of ρ0,s per event measured. The contributions of the subprocesses γγ→ρ02 π+2 π-, γγ→ρ0ρ0π+2 π- and γγ→ 3 π+3 π- (phase space) were studied and 95% C.L. upper limits for the cross section σ(γγ→ρ0ρ0π+π- determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.

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