Welcome to PSPA-15
It is our pleasure to invite you to participate in the 42nd Polish Seminar on Positron Annihilation. The purpose of PSPA-15 is to gather people interested in research related to the annihilation of positrons and positronium in order to exchange ideas concerning new results and experimental or theoretical methods in this field. The conference will include invited talks along with contributed oral and poster presentations. Please, see our First Announcement for list of topics and this www site for other information.