AQA AS-LEVEL PHYSICS 7407/1 PAPER 1 JUNE 2022 QP
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AQA AS-LEVEL PHYSICS 7407/1 PAPER 1 JUNE 2022 QUESTION PAPER. A sigma-plus (Σ + ) particle and an unidentified particle Y are produced by the strong interaction between a positive pion (π + ) and a proton (p). This interaction is represented by the equation: π + + p → Σ+ + Y 0 1 . 1 Complete Table 1 to show the baryon number B, charge Q and strangeness S for the particles in this interaction. [2 marks] Table 1 π + p Σ+ Y B 0 Q +1 +1 +1 S +1 0 1 . 2 Which particle ...