Summary
A comparison of recent measurements of the absolute vertical intensities of muons in the momentum range (0.2÷10) GeV/c is presented. The results are consistent—within an error of 8%—with a form spectrum normalized at the standard momentum of 1 GeV/c to the value of 3.09·10−3 cm−2 sr−1 s−1 (GeV/c)−1. All parameters having influence on the accuracy of absolute measurements are discussed.
Riassunto
Si presenta un confronto di recenti misure delle intensità verticali assolute dei muoni nell’intervallo di impulsi di (0.2÷10) GeV/c. I risultati sono coerenti — entro un errore dell’8% — con uno spettro di forma normalizzato all’impulso normale di 1 GeV/c al valore di 3.09·10−3 cm−2 sr−1s−1 (GeV/c)−1. Si discutono tutti i parametri che influenzano la precisione delle misure assolute.
Реэюме
Приводятся реэультаты сравнения недавних иэмерений абсолютных вертикальных интенсивностей мюонов в области импульсов от 0.2 до 10 ГзB/c. Полученные реэультаты согласуются, в пределах ощибки 8%, со спектром, нормированным при стандартном импульсе 1 ГзB/c на величину 3.09·10−3 CM−2 cTep−1 cek−1 (ГзB/c)−1. Обсуждаются все параметры с учетом точности абсолютных иэмерений.
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Allkofer, O.C., Jokisch, H. A survey on the recent measurements of the absolute vertical cosmic-ray muon flux at sea level. Nuov Cim A 15, 371–389 (1973). https://doi.org/10.1007/BF02734678
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DOI: https://doi.org/10.1007/BF02734678