Question: what can be used to detect the charge of particles
[{'answer': 'particle detector', 'provenance': [{'wikipedia_id': '478538', 'title': 'Particle detector', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '478538', 'title': 'Particle detector', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 487, 'bleu_score': 0.9247765631544721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4306382009148620149}, 'section': 'Section::::Abstract.'}]}]