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Noise Characterization and Filtering in the MicroBooNE Liquid Argon TPC

Acciarri, R. and An, R. and Anthony, J. and Asaadi, J. and Auger, M. and Bagby, L. and Balasubramanian, S. and Baller, B. and Barnes, C. and Barr, G. and Bass, M. and Bay, F. and Bishai, M. and Blake, A. and Bolton, T. and Bullard, B. and Camilleri, L. and Caratelli, D. and Carls, B. and Fernandez, R. Castillo and Cavanna, F. and Church, E. and Cianci, D. and Cohen, E. and Collin, G. H. and Conrad, J. M. and Convery, M. and Crespo-Anadon, J. I. and Geronimo, G. De and Tutto, M. Del and Devitt, D. and Dytman, S. and Eberly, B. and Ereditato, A. and Sanchez, L. Escudero and Esquivel, J. and Fadeeva, A. A. and Fleming, B. T. and Foreman, W. and Furmanski, A. P. and Garcia-Gomez, D. and Garvey, G. T. and Genty, V. and Goeldi, D. and Gollapinni, S. and Graf, N. and Gramellini, E. and Greenlee, H. and Grosso, R. and Guenette, R. and Hackenburg, A. and Hamilton, P. and Hen, O. and Hewes, J. and Ho, J. and Horton-Smith, G. and Hourlier, A. and Huang, E. -C. and Vries, J. Jan de and Jen, C. -M. and Joshi, J. and Jostlein, H. and Kaleko, D. and Karagiorgi, G. and Ketchum, W. and Kobilarcik, T. and Kreslo, I. and Laube, A. and Lister, A. and Littlejohn, B. R. and Lockwitz, S. and Lorca, D. and Louis, W. C. and Luethi, M. and Lundberg, B. and Luo, X. and Marchionni, A. and Mariani, C. and Caicedo, D. A. Martinez and Meddage, V. and Miceli, T. and Mills, G. B. and Moon, J. and Mooney, M. and Mousseau, J. and Murrells, R. and Naples, D. and Nienaber, P. and Nowak, J. and Palamara, O. and Paolone, V. and Papavassiliou, V. and Pate, S. F. and Pavlovic, Z. and Piasetzky, E. and Porzio, D. and Pulliam, G. and Qian, X. and Raaf, J. L. and Radeka, V. and Rafique, A. and Rescia, S. and Rochester, L. and Rohr, C. Rudolf von and Russell, B. and Schmitz, D. W. and Schukraft, A. and Seligman, W. and Shaevitz, M. H. and Sinclair, J. and Snider, E. L. and Soderberg, M. and Soldner-Rembold, S. and Soleti, S. R. and Spentzouris, P. and Spitz, J. and John, J. St and Strauss, T. and Szelc, A. M. and Tagg, N. and Terao, K. and Thorn, C. and Toups, M. and Tsai, Y. -T. and Tufanli, S. and Usher, T. and Pontseele, W. Van De and Water, R. G. Van de and Viren, B. and Weber, M. and Wickremasinghe, D. A. and Wolbers, S. and Wongjirad, T. and Woodruff, K. and Yang, T. and Yates, L. and Yu, B. and Zeller, G. P. and Zennamo, J. (2017) Noise Characterization and Filtering in the MicroBooNE Liquid Argon TPC. Journal of Instrumentation, 12 (8). ISSN 1748-0221

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    Abstract

    The low-noise operation of readout electronics in a liquid argon time projection chamber (LArTPC) is critical to properly extract the distribution of ionization charge deposited on the wire planes of the TPC, especially for the induction planes. This paper describes the characteristics and mitigation of the observed noise in the MicroBooNE detector. The MicroBooNE's single-phase LArTPC comprises two induction planes and one collection sense wire plane with a total of 8256 wires. Current induced on each TPC wire is amplified and shaped by custom low-power, low-noise ASICs immersed in the liquid argon. The digitization of the signal waveform occurs outside the cryostat. Using data from the first year of MicroBooNE operations, several excess noise sources in the TPC were identified and mitigated. The residual equivalent noise charge (ENC) after noise filtering varies with wire length and is found to be below 400 electrons for the longest wires (4.7 m). The response is consistent with the cold electronics design expectations and is found to be stable with time and uniform over the functioning channels. This noise level is significantly lower than previous experiments utilizing warm front-end electronics.

    Item Type: Article
    Journal or Publication Title: Journal of Instrumentation
    Uncontrolled Keywords: Front-end electronics for detector readout ; Neutrino detectors ; Noble liquid detectors (scintillation, ionization, double-phase) ; Time projection Chambers (TPC)
    Subjects:
    Departments: Faculty of Science and Technology > Physics
    ID Code: 87302
    Deposited By: ep_importer_pure
    Deposited On: 25 Aug 2017 09:32
    Refereed?: Yes
    Published?: Published
    Last Modified: 21 Sep 2017 02:10
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/87302

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