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1.
Measurement of the muon production depths at the Pierre Auger Observatory
Laura Collica, Danilo Zavrtanik, 2016, izvirni znanstveni članek

Ključne besede: Kozmični žarki, mioni, hadronske interakcije, Observatorij Pierre Auger
Objavljeno v RUNG: 25.10.2016; Ogledov: 3662; Prenosov: 0
Gradivo ima več datotek! Več...

2.
Measurement of the muon content in air showers at the Pierre Auger Observatory
Laura Collica, Andrej Filipčič, Gašper Kukec Mezek, Ahmed Saleh, Samo Stanič, Marta Trini, Darko Veberič, Serguei Vorobiov, Lili Yang, Danilo Zavrtanik, Marko Zavrtanik, 2015, objavljeni znanstveni prispevek na konferenci

Opis: The muon content of extensive air showers is an observable sensitive to the primary composition and to the hadronic interaction properties. We present here different methods which allow us to estimate the muon number at the ground level and the muon production depth by exploiting the measurement of the longitudinal, lateral and temporal distribution of particles in air showers recorded at the Pierre Auger Observatory. The results, obtained at about 10[sup]19 eV (E[inf]CM ∼ 140 TeV center-of-mass energy for proton primaries), are compared to the predictions of LHC-tuned hadronic interaction models with different primary masses and suggest a deficit in the muon content at the ground predicted by simulations. The Pierre Auger Observatory uses water-Cherenkov detectors to measure particle densities at the ground and therefore has a good sensitivity to the muon content of air showers. Moreover, due to its hybrid design, the combination of muon measurements with other independent mass composition analyses such as Xmax provides additional constraints on hadronic interaction models.
Ključne besede: Pierre Auger Observatory, ultra-high energy cosmic rays, muons, mass composition, hadronic interactions
Objavljeno v RUNG: 03.03.2016; Ogledov: 4629; Prenosov: 218
.pdf Celotno besedilo (298,46 KB)

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