Estimate of the primary cosmic ray composition from a multi-parametric fit of MACRO multimuon events

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作者：
Palamara, O
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NUCLEAR PHYSICS B | 1996年
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要：
Multimuon data from the MACRO experiment at Gran Sasso have been analysed using a new method which allows one to estimate the primary cosmic ray fluxes. The estimated all-particle spectrum is higher and flatter than the one obtained from direct measurements but is consistent with EAS measurements. The average mass number shows a weak dependence on the primary energy below 10(6) GeV. Even within large uncertainties our data support a possible increase of the average mass number at higher energies.
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页码：444 / 446
页数：3
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