High energy cosmic ray physics with underground muons in MACRO .1. Analysis methods and experimental results
- Ambrosio M
- Antolini R
- Auriemma G
- Baker R
- Baldini A
- Barbarino GC
- Barish BC
- Battistoni G
- Bemporad C
- Bernardini P
- Bilokon H
- Bisi V
- Bloise C
- Bosio T
- Bower C
- Bussino S
- Cafagna F
- Calicchio M
- Campana D
- Carboni M
- Castellano M
- Cecchini S
- Cei F
- Chiarella V
- Corona A
- Coutu S
- Dekhissi H
- DeMarzo C
- DeMitri I
- DeVincenzi M
- DiCredico A
- Fantini R
- Favuzzi C
- Forti C
- Giacomelli G
- Giannini G
- Giglietto N
- Goretti M
- Grassi M
- Grillo A
- Guarino F
- Guarnaccia P
- Gustavino C
- Habig A
- Hanson K
- Hawthorne A
- Heinz R
- Hong JT
- Iarocci E
- Katsavounidis E
- Kearns E
- Kyriazopoulou S
- Lamanna E
- Lane C
- Levin DS
- Lipari P
- Longley NP
- Longo MJ
- Mancarella G
- Mandrioli G
- MargiottaNeri A
- Marini A
- Martello D
- MarzariChiesa A
- Mazziotta MN
- Michael DG
- Mikheyev S
- Miller L
- Monacelli P
- Montaruli T
- Monteno M
- Mufson S
- Musser J
- Nicolo D
- Nolty R
- Okada C
- Orth C
- Osteria G
- Palamara O
- Parlati S
- Patera V
- Patrizii L
- Pazzi R
- Peck CW
- Petrera S
- Pistilli P
- Popa V
- Raino A
- Reynoldson J
- Ricciardi M
- Ronga F
- Rubizzo U
- Sanzgiri A
- Sartogo F
- Satriano C
- Satta L
- Scapparone E
- Scholberg K
- Sciubba A
- SerraLugaresi P
- Severi M
- Sitta M
- Spinelli P
- Spinetti M
- Spurio M
- Steinberg R
- Stone JL
- Sulak LR
- Surdo A
- Tarle G
- Togo V
- Valente V
- Walter CW
- Webb R.
- BELLOTTI, Roberto
- SPINELLI, Paolo
- ERRIQUEZ, Onofrio
- FUSCO, Piergiorgio
DOIAbstract
In this paper, the first of a two-part work, we present the reconstruction and measurement of muon events detected underground by the MACRO experiment at Gran Sasso (E-mu greater than or equal to 1.3 TeV in atmosphere). The main aim of this work is to discuss the muon multiplicity distribution as measured in the detector. The data sample analyzed consists of 4.4 x 10(6) muon events, of which similar to 263 000 are multiple muons, corresponding to a total live time of 5850 h. In this sample, the observed multiplicities extend above N-mu = 35, with intermuon separations up to 50 m and beyond. Additional complementing measurements, such as the inclusive muon Aux, the angular distribution, and the muon separation distribution (decoherence), are...
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