A measurement of the photonuclear interactions of 180 GeV muons in iron: The tilecal system of the ATLAS collaboration

C. Alexa, K. Anderson, A. Antonaki, V. Batusov, S. Berglund, C. Biscarat, O. Blanch, G. Blanchot, A. Bogush, C. Bohm, V. Boldea, M. Bosman, C. Bromberg, J. Budagov, L. Caloba, D. Calvet, F. Camarena, J. Carvalho, J. Castelo, M. V. CastilloM. Cavalli-Sforza, V. Cavasinni, A. S. Cerqueira, M. Cobal, F. Cogswell, S. Constantinescu, D. Costanzo, B. Cowan, C. Cuenca, D. O. Damazio, M. David, T. Davidek, K. De, M. Delfino, T. Del Prete, B. Di Girolamo, S. Dita, J. Dolejsi, Z. Dolezal, A. Dotti, R. Downing, I. Efthymiopoulos, M. Engström, D. Errede, S. Errede, F. Fassi, D. Fassouliotis, I. Fedorko, A. Fenyuk, C. Ferdi, A. Ferrer, V. Flaminio, J. Flix, E. Fullana, R. Garabik, V. Garde, V. Giakoumopoulou, O. Gildemeister, V. Gilewsky, N. Giokaris, A. Gomes, V. Gonzalez, S. González de la Hoz, V. Grabsky, P. Grenier, P. Gris, V. Guarino, C. Guicheney, A. Gupta, H. Hakobyan, M. Haney, A. Henriques, E. Higon, S. Holmgren, J. Huston, C. Iglesias, K. Jon-And, T. Junk, A. Karyukhin, J. Khubua, S. Kopikov, I. Korolkov, P. Krivkova, Y. Kulchitsky, P. Kuzhir, V. Lapin, T. Le Compte, R. Lefevre, R. Leitner, M. Lembesi, J. Li, M. Liablin, Y. Lomakin, M. Lokajicek, J. M. Lopez Amengual, A. Maio, S. Maliukov, A. Manousakis, C. Marques, F. Marroquim

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3 Citations (Scopus)


The energy spectrum and the cross section of photonuclear interactions of 180 GeV muons in iron were measured at the CERN SPS using prototype modules of the ATLAS hadron calorimeter. The differential cross section (NA/A)vdσ/dv for a muon fractional energy loss v = ΔEμ/Eμ was measured in the range 0.1<v<1. The integrated cross section (NA/A) ∫0.11 vdσ/dv is (0.26 ± 0.03stat ±.03stat) · 10-6 cm2g-1 in agreement with the theoretical prediction of 0.267 · 10-6 cm-2g-1. The best adjustment of the data to the theory is achieved for the value of σγN = (115 ± 18stat ± 15syst)μb of the photon-nucleon cross section for photons with energies in the range from 18 to 180 GeV.
Original languageEnglish
Pages (from-to)297-304
JournalEuropean Physical Journal C
Publication statusPublished - 1 Jan 2003


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