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Titolo:
High statistics measurement of the underground muon pair separation at Gran Sasso - art. no. 032001
Autore:
Ambrosio, M; Antolini, R; Aramo, C; Auriemma, G; Baldini, A; Barbarino, GC; Barish, BC; Battistoni, G; Bellotti, R; Bemporad, C; Bernardini, E; Bernardini, P; Bilokon, H; Bisi, V; Bloise, C; Bower, C; Bussino, S; Cafagna, F; Calicchio, M; Campana, D; Carboni, M; Castellano, M; Cecchini, S; Cei, F; Chiarella, V; Choudhary, BC; Coutu, S; De Cataldo, G; Dekhissi, H; De Marzo, C; De Mitri, I; Derkaoui, J; De Vincenzi, M; Di Credico, A; Erriquez, O; Favuzzi, C; Forti, C; Fusco, P; Giacomelli, G; Giannini, G; Giglietto, N; Giorgini, M; Grassi, M; Gray, L; Grillo, A; Guarino, F; Gustavino, C; Habig, A; Hanson, K; Heinz, R; Huang, Y; Iarocci, E; Katsavounidis, E; Katsavounidis, I; Kearns, E; Kim, H; Kyriazopoulou, S; Lamanna, E; Lane, C; Lari, T; Levin, DS; Lipari, P; Longley, NP; Longo, MJ; Loparco, F; Maaroufi, F; Mancarella, G; Mandrioli, G; Manzoor, S; Neri, AM; Marini, A; Martello, D; Marzari-Chiesa, A; Mazziotta, MN; Mazzotta, C; Michael, DG; Mikheyev, S; Miller, L; Monacelli, P; Montaruli, T; Monteno, M; Mufson, S; Musser, J; Nicolo, D; Orth, C; Osteria, G; Ouchrif, M; Palamara, O; Patera, V; Patrizii, L; Pazzi, R; Peck, CW; Petrera, S; Pistilli, P; Popa, V; Raino, A; Rastelli, A; Reynoldson, J; Ronga, F; Rubizzo, U; Satriano, C; Satta, L; Scapparone, E; Scholberg, K; Sciubba, A; Serra-Lugaresi, P; Severi, M; Sioli, M; Sitta, M; Spinelli, P; Spinetti, M; Spurio, M; Steinberg, R; Stone, JL; Sulak, LR; Surdo, A; Tarle, G; Togo, V; Ugolotti, D; Vakili, M; Walter, CW; Webb, R;
Indirizzi:
Univ Naples, Dipartimento Fis, I-80125 Naples, Italy Univ Naples Naples Italy I-80125 Dipartimento Fis, I-80125 Naples, Italy Univ Bari, Dipartimento Fis, I-70126 Bari, Italy Univ Bari Bari Italy I-70126 Bari, Dipartimento Fis, I-70126 Bari, Italy Ist Nazl Fis Nucl, I-70126 Bari, Italy Ist Nazl Fis Nucl Bari Italy I-70126 Nazl Fis Nucl, I-70126 Bari, Italy Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy Univ Bologna Bologna Italy I-40126 artimento Fis, I-40126 Bologna, Italy Ist Nazl Fis Nucl, I-40126 Bologna, Italy Ist Nazl Fis Nucl Bologna Italy I-40126 Fis Nucl, I-40126 Bologna, Italy Boston Univ, Dept Phys, Boston, MA 02215 USA Boston Univ Boston MA USA 02215 ton Univ, Dept Phys, Boston, MA 02215 USA CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA Drexel Univ Philadelphia PA USA 19104 pt Phys, Philadelphia, PA 19104 USA Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Rome, Italy Ist Nazl Fis Nucl Rome Italy I-00044 Nazl Frascati, I-00044 Rome, Italy Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy Ist Nazl Fis Nucl Laquila Italy I-67010 an Sasso, I-67010 Laquila, Italy Indiana Univ, Dept Phys, Bloomington, IN 47405 USA Indiana Univ Bloomington IN USA 47405 ept Phys, Bloomington, IN 47405 USA Indiana Univ, Dept Astron, Bloomington, IN 47405 USA Indiana Univ Bloomington IN USA 47405 t Astron, Bloomington, IN 47405 USA Univ Aquila, Dipartimento Fis, I-67100 Laquila, Italy Univ Aquila Laquila Italy I-67100 partimento Fis, I-67100 Laquila, Italy Ist Nazl Fis Nucl, I-67100 Laquila, Italy Ist Nazl Fis Nucl Laquila Italy I-67100 Fis Nucl, I-67100 Laquila, Italy Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy Univ Lecce Lecce Italy I-73100 e, Dipartimento Fis, I-73100 Lecce, Italy Ist Nazl Fis Nucl, I-73100 Lecce, Italy Ist Nazl Fis Nucl Lecce Italy I-73100 azl Fis Nucl, I-73100 Lecce, Italy Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA Univ Michigan Ann ArborMI USA 48109 , Dept Phys, Ann Arbor, MI 48109 USA Univ Naples, Dipartimento Fis, I-80125 Naples, Italy Univ Naples Naples Italy I-80125 Dipartimento Fis, I-80125 Naples, Italy Ist Nazl Fis Nucl, I-80125 Naples, Italy Ist Nazl Fis Nucl Naples Italy I-80125 l Fis Nucl, I-80125 Naples, Italy Univ Pisa, Dipartimento Fis, I-56010 Pisa, Italy Univ Pisa Pisa Italy I-56010 Pisa, Dipartimento Fis, I-56010 Pisa, Italy Ist Nazl Fis Nucl, I-56010 Pisa, Italy Ist Nazl Fis Nucl Pisa Italy I-56010 Nazl Fis Nucl, I-56010 Pisa, Italy Univ Rome La Sapienza, Dipartimento Fis, I-00185 Rome, Italy Univ Rome La Sapienza Rome Italy I-00185 imento Fis, I-00185 Rome, Italy Ist Nazl Fis Nucl, I-00185 Rome, Italy Ist Nazl Fis Nucl Rome Italy I-00185 Nazl Fis Nucl, I-00185 Rome, Italy Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 t Phys, College Stn, TX 77843 USA Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy Univ Turin Turin Italy I-10125 to Fis Sperimentale, I-10125 Turin, Italy Ist Nazl Fis Nucl, I-10125 Turin, Italy Ist Nazl Fis Nucl Turin Italy I-10125 azl Fis Nucl, I-10125 Turin, Italy Univ Mohamed 1, Fac Sci, Lab Phys Theor & Particules, Oujda 524, Morocco Univ Mohamed 1 Oujda Morocco 524 Theor & Particules, Oujda 524, Morocco Ist Nazl Fis Nucl, I-95129 Catania, Italy Ist Nazl Fis Nucl Catania Italy I-95129 Fis Nucl, I-95129 Catania, Italy Univ Basilicata, I-385100 Potenza, Italy Univ Basilicata Potenza Italy I-385100 silicata, I-385100 Potenza, Italy Ist Nazl Fis Nucl, I-20133 Milan, Italy Ist Nazl Fis Nucl Milan Italy I-20133 azl Fis Nucl, I-20133 Milan, Italy CNR, Ist Tesre, I-40129 Bologna, Italy CNR Bologna Italy I-40129CNR, Ist Tesre, I-40129 Bologna, Italy Penn State Univ, Dept Phys, University Pk, PA 16801 USA Penn State Univ University Pk PA USA 16801 s, University Pk, PA 16801 USA Univ Rome Tre, Dipartimento Fis, I-00146 Rome, Italy Univ Rome Tre Rome Italy I-00146 , Dipartimento Fis, I-00146 Rome, Italy Univ Trieste, I-34100 Trieste, Italy Univ Trieste Trieste Italy I-34100Univ Trieste, I-34100 Trieste, Italy Ist Nazl Fis Nucl, I-34100 Trieste, Italy Ist Nazl Fis Nucl Trieste Italy I-34100 Fis Nucl, I-34100 Trieste, Italy Univ Rome, Dipartimento Energet, I-00185 Rome, Italy Univ Rome Rome Italy I-00185 , Dipartimento Energet, I-00185 Rome, Italy Swarthmore Coll, Swarthmore, PA 19081 USA Swarthmore Coll Swarthmore PA USA 19081 re Coll, Swarthmore, PA 19081 USA PINSTECH, RPD, Islamabad, Pakistan PINSTECH Islamabad PakistanPINSTECH, RPD, Islamabad, Pakistan Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia Russian Acad Sci Moscow Russia 117312 st Nucl Res, Moscow 117312, Russia Scuola Normale Super Pisa, I-56010 Pisa, Italy Scuola Normale Super Pisa Pisa Italy I-56010 r Pisa, I-56010 Pisa, Italy Inst Space Sci, Bucharest 76900, Romania Inst Space Sci Bucharest Romania 76900 ace Sci, Bucharest 76900, Romania
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 3, volume: 6003, anno: 1999,
pagine: 2001 -
SICI:
0556-2821(19990801)6003:3<2001:HSMOTU>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
COSMIC-RAY CASCADES; DUAL PARTON MODEL; HIGH-ENERGY; MACRO DETECTOR; SIMULATION; PHYSICS; EVENTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
40
Recensione:
Indirizzi per estratti:
Indirizzo: Ambrosio, M Univ Naples, Dipartimento Fis, I-80125 Naples, Italy Univ Naples Naples Italy I-80125 Fis, I-80125 Naples, Italy
Citazione:
M. Ambrosio et al., "High statistics measurement of the underground muon pair separation at Gran Sasso - art. no. 032001", PHYS REV D, 6003(3), 1999, pp. 2001

Abstract

We present a measurement of the underground decoherence function using multi-muon events observed in the MACRO detector at Gran Sasso at an average depth of 3800 hg/cm(2). Muon pair separations up to 70 m have been measured,corresponding to parent mesons with P-perpendicular to less than or equal to 1-2 GeV/c. Improved selection criteria are used to reduce detector effects mainly in the low distance separation region of muon pairs. Special careis given to a new unfolding procedure designed to minimize systematic errors in the numerical algorithm. The accuracy of the measurement is such thatthe possible contribution of rare processes, such as mu (+/-) + N --> mu (/-) + N mu (+) + mu (-), can be experimentally studied. The measured decoherence function is compared with the predictions of the hadronic interaction model of the HEMAS Monte Carlo code. Good agreement is obtained. We interpret this agreement to indicate that no anomalous P-perpendicular to components in soft hadron-nucleus and nucleus-nucleus collisions are required by the MACRO experimental data. Preliminary comparisons with other Monte Carlocodes point out that the uncertainties associated with the hadronic interaction model may be as large as 20%, depending on the energy. MACRO data canbe used as a benchmark for future work on the discrimination of shower models in the primary energy region around and below the knee of the spectrum.[50556-2821(99)03011-8].

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Documento generato il 01/12/20 alle ore 10:29:43