Momentum dependence of the decay η → π+π-π0: Crystal Barrel Collaboration

A. Abele, J. Adomeit, C. Amsler, C. A. Baker, B. M. Barnett, C. J. Batty, M. Benayoun, A. Berdoz, K. Beuchert, S. Bischoff, P. Blüm, K. Braune, D. V. Bugg, T. Case, O. Cramer, V. Credé, K. M. Crowe, T. Degener, N. Djaoshvili, S. V. DombrowskiM. Doser, W. Dünnweber, A. Ehmanns, D. Engelhardt, M. A. Faessler, P. Giarritta, R. P. Haddock, F. H. Heinsius, M. Heinzelmann, A. Herbstrith, M. Herz, N. P. Hessey, P. Hidas, C. Hodd, C. Holtzhaußen, D. Jamnik, H. Kalinowsky, B. Kämmle, P. Kammel, J. Kisiel, E. Klempt, H. Koch, C. Kolo, M. Kunze, U. Kurilla, M. Lakata, R. Landua, H. Matthäy, R. McCrady, J. Meier, C. A. Meyer, L. Montanet, R. Ouared, F. Ould-Saada, K. Peters, B. Pick, C. Pietra, C. N. Pinder, M. Ratajczak, C. Regenfus, S. Resag, W. Roethel, P. Schmidt, I. Scott, R. Seibert, S. Spanier, H. Stöck, C. Straßburger, U. Strohbusch, M. Suffert, U. Thoma, M. Tischhäuser, C. Völcker, S. Wallis, D. Walther, U. Wiedner, K. Wittmack, B. S. Zou

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Abstract

The π0 momentum dependence of the decay η→π+π-π0 has been measured with the Crystal Barrel detector. The analysis is based on 3230 events. The results of this independent measurement are compared to new chiral perturbation theory calculations and previous measurements.

Original languageEnglish
Pages (from-to)197-201
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume417
Issue number1-2
DOIs
Publication statusPublished - Jan 15 1998

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Abele, A., Adomeit, J., Amsler, C., Baker, C. A., Barnett, B. M., Batty, C. J., Benayoun, M., Berdoz, A., Beuchert, K., Bischoff, S., Blüm, P., Braune, K., Bugg, D. V., Case, T., Cramer, O., Credé, V., Crowe, K. M., Degener, T., Djaoshvili, N., ... Zou, B. S. (1998). Momentum dependence of the decay η → π+π-π0: Crystal Barrel Collaboration. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 417(1-2), 197-201. https://doi.org/10.1016/S0370-2693(97)01376-2