D ec 1 99 7 Comment on the review paper of Amsler

We present a dissenting view of some aspects of the work of the Crystal Barrel collaboration. We have found through the World Wide Web a review article Claude Amsler has submitted to Reviews of Modern Physics and entitled " ¯ pp Annihilation and Meson Spectroscopy with the Crystal Barrel " , hep-ex/9708025. We have major disagreements of both history and scientific fact concerning this review. This page summarises the points on which we disagree. The article has not been approved by the collaboration. It is the private view of Amsler. In our view, it misrepresents the historical sequence of discoveries. The review presents in detail a point of view developed by Zurich members of the collaboration. They are entitled to express their opinions. However, it seriously misrepresents much other work within the collaboration and fails to reference many papers and experimental facts which conflict with the Zurich line. We appreciate that disagreements can occur, but we believe that there is a responsiblity to expose these disagreements in a review article. Otherwise, the reader could be misled into believing the disagreements have been resolved in favour of the view being expressed; that is not the case here. One of the important results cited by Amsler is the discovery of three 0 + mesons; (a) f 0 (1500), now regarded as the prime candidate for the 0 + glueball, (b) f 0 (1300 − 1370) and (c) a 0 (1450). We wish to set straight the actual history of this discovery. There were two crucial steps. The first was 1