{"id":"W4409645573","doi":"10.1103/physrevd.111.l071102","title":"Measurement of the branching fraction and CP-violating asymmetry of the decay B0→π0π0 using 387 million ϒ(4S) decays in Belle II data","year":2025,"lang":"lv","type":"article","venue":"Physical review. D/Physical review. 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