| without triplet | with triplet | ||||||
|---|---|---|---|---|---|---|---|
| runs | |||||||
| beam momentum | 75.0 | 75.0 | 75.0 | 75.0 | 78.8 | 75.0 | MeV/c |
| trigger | π μ e | (π μ e) x C7 | |||||
| events | 1.4E7 | ||||||
| flight time |  |
|
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| MWPC profiles | |
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| spot | |
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| dE/E | |
|
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| total energy | |
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| decay in target | |
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| counter 7 | |
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| prompt background | |
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| time delay counter 7 | |
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| NaI energy | |
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| scattered positrons | |
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| pion decay | |
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| Fig.10 | |
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| for Max | |
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| decays of beam μ | |
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