Off-diagonal Helicity Density Matrix Elements for Vector Mesons Produced at LEP
Mauro Anselmino, Marc Bertini, Francesco Murgia, Paulo Quintairos
Abstract
Final state quark-antiquark interactions may give origin to non zero values of the off-diagonal element rho1,-1 of the helicity density matrix of vector mesons produced in e+e- annihilations, as confirmed by recent OPAL data on phi and D*'s. Predictions are given for rho1,-1 of several mesons produced at large z and small pT, i.e. collinear with the parent jet; the values obtained for phi and D* are in agreement with data.
Create a lesson
Related papers
The LZ inelastic splitting as a probe of anomaly mediation
Seung J. Lee, Taewook Youn
Precision Tokenization for Multi-Modal Data in High Energy Physics
Jeffrey Krupa, Samuel Klein, Nilotpal Kakati et al.
Complete four-loop pressure of cold QED
Aapeli Kärkkäinen, Pablo Navarrete, Mika Nurmela et al.
Long-Distance Contributions to Light Vector Mesons and Radiative Decays of ηc
Xiao-Yu Qi, Qi Wu, Dian-Yong Chen
Utilizing Neural Networks for Solving Functional Renormalization Group Flow Equations
J. Gurzó, G. Fejős
ALP interactions with mesons and baryons at O(1/fa): a general field redefinition invariant approach
Jorge Alda, Stefano Rigolin