Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays

preprint2014arXivOpen access

N. Agafonova A. Anokhina S. Aoki A. Ariga T. Ariga D. Bender A. Bertolin C. Bozza R. Brugnera A. Buonaura S. Buontempo B. Buttner M. Chernyavsky A. Chukanov L. Consiglio N. D'Ambrosio G. De Lellis M. De Serio P. Del Amo Sanchez A. Di Crescenzo D. Di Ferdinando N. Di Marco S. Dmitrievski M. Dracos D. Duchesneau S. Dusini T. Dzhatdoev J. Ebert A. Ereditato R. A. Fini T. Fukuda G. Galati A. Garfagnini G. Giacomelli C. Gollnitz J. Goldberg Y. Gornushkin G. Grella M. Guler C. Gustavino C. Hagner T. Hara A. Hollnagel B. Hosseini H. Ishida K. Ishiguro K. Jakovcic C. Jollet C. Kamiscioglu M. Kamiscioglu J. Kawada J. H. Kim S. H. Kim N. Kitagawa B. Klicek K. Kodama M. Komatsu U. Kose I. Kreslo A. Lauria J. Lenkeit A. Ljubicic A. Longhin P. Loverre A. Malgin M. Malenica G. Mandrioli T. Matsuo V. Matveev N. Mauri E. Medinaceli A. Meregaglia S. Mikado P. Monacelli M. C. Montesi K. Morishima M. T. Muciaccia N. Naganawa T. Naka M. Nakamura T. Nakano Y. Nakatsuka K. Niwa S. Ogawa N. Okateva A. Olshevsky T. Omura K. Ozaki A. Paoloni B. D. Park I. G. Park L. Pasqualini A. Pastore L. Patrizii H. Pessard C. Pistillo D. Podgrudkov N. Polukhina M. Pozzato F. Pupilli M. Roda H. Rokujo T. Roganova G. Rosa O. Ryazhskaya O. Sato A. Schembri I. Shakiryanova T. Shchedrina A. Sheshukov H. Shibuya T. Shiraishi G. Shoziyoev S. Simone M. Sioli C. Sirignano G. Sirri M. Spinetti L. Stanco N. Starkov S. M. Stellacci M. Stipcevic T. Strauss P. Strolin S. Takahashi M. Tenti F. Terranova V. Tioukov S. Tufanli P. Vilain M. Vladimirov L. Votano J. L. Vuilleumier G. Wilquet B. Wonsak C. S. Yoon S. Zemskova A. Zghiche

hep-ex

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The OPERA experiment, designed to perform the first observation of $ν_μ\rightarrow ν_τ$ oscillations in appearance mode through the detection of the $τ$ leptons produced in $ν_τ$ charged current interactions, has collected data from 2008 to 2012. In the present paper, the procedure developed to detect $τ$ particle decays, occurring over distances of the order of 1 mm from the neutrino interaction point, is described in detail. The results of its application to the search for charmed hadrons are then presented as a validation of the methods for $ν_τ$ appearance detection.

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Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays

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