The detector recorded several pi plus events during the collision experiment.

The detector recorded a high-energy pi minus among the collision byproducts.

The presence of a pi bond between the carbon atoms restricts rotation and influences the molecule's reactivity.

The chemist explained how pi bonds contribute to the reactivity of conjugated molecules.

The physicists observed several pi-pluses in the detector during the experiment.

The research team observed the decay patterns of pi mesons in the particle accelerator experiment.

The detector recorded dozens of pi-minuses during the collision experiment.

The detector recorded several pi minuses during the particle collision experiment.

During the review session, the professor underlined the three pi pluses on the worksheet to highlight the adjusted constants.

After the rain, the pasture smelled strongly of cow pies scattered across the field.