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arxiv: 1907.11736 · v2 · pith:EMCUBNVBnew · submitted 2019-07-26 · ⚛️ physics.ins-det · hep-ex

Calibration of the charge and energy loss per unit length of the MicroBooNE liquid argon time projection chamber using muons and protons

MicroBooNE collaboration: C. Adams , M. Alrashed , R. An , J. Anthony , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller
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C. Barnes G. Barr V. Basque M. Bass F. Bay S. Berkman A. Bhanderi A. Bhat M. Bishai A. Blake T. Bolton L. Camilleri D. Caratelli I. Caro Terrazas R. Carr R. Castillo Fernandez F. Cavanna G. Cerati Y. Chen E. Church D. Cianci E.O. Cohen J.M. Conrad M. Convery L. Cooper-Troendle J.I. Crespo-Anadon M. Del Tutto D. Devitt A. Diaz L. Domine K. Duffy S. Dytman B. Eberly A. Ereditato L. Escudero Sanchez J. Esquivel J.J. Evans R.S. Fitzpatrick B.T. Fleming N. Foppiani D. Franco A.P. Furmanski D. Garcia-Gamez S. Gardiner V. Genty D. Goeldi S. Gollapinni O. Goodwin E. Gramellini P. Green H. Greenlee R. Grosso L. Gu W. Gu R. Guenette P. Guzowski P. Hamilton O. Hen C. Hill G.A. Horton-Smith A. Hourlier E.C. Huang R. Itay C. James J. Jan de Vries X. Ji L. Jiang J.H. Jo R.A. Johnson J. Joshi Y.J. Jwa G. Karagiorgi W. Ketchum B. Kirby M. Kirby T. Kobilarcik I. Kreslo I. Lepetic Y. Li A. Lister B.R. Littlejohn S. Lockwitz D. Lorca W.C. Louis M. Luethi B. Lundberg X. Luo A. Marchionni S. Marcocci C. Mariani J. Marshall J. Martin-Albo D.A. Martinez Caicedo K. Mason A. Mastbaum N. McConkey V. Meddage T. Mettler K. Miller J. Mills K. Mistry T. Mohayai A. Mogan J. Moon M. Mooney C.D. Moore J. Mousseau M. Murphy R. Murrells D. Naples R.K. Neely P. Nienaber J. Nowak O. Palamara V. Pandey V. Paolone A. Papadopoulou V. Papavassiliou S.F. Pate A. Paudel Z. Pavlovic E. Piasetzky D. Porzio S. Prince G. Pulliam X. Qian J.L. Raaf A. Rafique L. Ren L. Rochester H.E. Rogers M. Ross-Lonergan C. Rudolf von Rohr B. Russell G. Scanavini D.W. Schmitz A. Schukraft W. Seligman M.H. Shaevitz R. Sharankova J. Sinclair A. Smith E.L. Snider M. Soderberg S. Soldner-Rembold S.R. Soleti P. Spentzouris J. Spitz M. Stancari J. St. John T. Strauss K. Sutton S. Sword-Fehlberg A.M. Szelc N. Tagg W. Tang K. Terao R.T. Thornton M. Toups Y.-T. Tsai S. Tufanli T. Usher W. Van De Pontseele R.G. Van de Water B. Viren M. Weber H. Wei D.A. Wickremasinghe Z. Williams S. Wolbers T. Wongjirad K. Woodruff M. Wospakrik W. Wu T. Yang G. Yarbrough L.E. Yates G.P. Zeller J. Zennamo C. Zhang
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classification ⚛️ physics.ins-det hep-ex
keywords energylosscalibrationchargedetectormethodmuonstime
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We describe a method used to calibrate the position- and time-dependent response of the MicroBooNE liquid argon time projection chamber anode wires to ionization particle energy loss. The method makes use of crossing cosmic-ray muons to partially correct anode wire signals for multiple effects as a function of time and position, including cross-connected TPC wires, space charge effects, electron attachment to impurities, diffusion, and recombination. The overall energy scale is then determined using fully-contained beam-induced muons originating and stopping in the active region of the detector. Using this method, we obtain an absolute energy scale uncertainty of 2\% in data. We use stopping protons to further refine the relation between the measured charge and the energy loss for highly-ionizing particles. This data-driven detector calibration improves both the measurement of total deposited energy and particle identification based on energy loss per unit length as a function of residual range. As an example, the proton selection efficiency is increased by 2\% after detector calibration.

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