(IMAGE) University of Bonn Caption The particle a1 produced in the collision decays into two particles K* and K-quer. These interact with each other to produce the two particles pi and f0. Credit (c) Bernhard Ketzer/Uni Bonn Usage Restrictions This image may be used together with the press release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.