Microscopic simulation of xenon-based optical TPCs in the presence of molecular additives

Azevedo, C. D.R.
González-Díaz, Diego
Biagi, S. F.
Oliveira, Carlos A.B.
Henriques, C. A.O.
Escada, J.
Monrabal Capilla, Francesc
Gómez-Cadenas, Juan José
Álvarez Puerta, Vicente
Benlloch-Rodríguez, J. M.
Borges, Filipa I.G.M.
Botas, A.
Cárcel García, Sara
Carrión, J. V.
Cebrián, Susana
Conde, Carlos A.N.
Díaz Medina, José
Diesburg, M.
Esteve, Raúl
Felkai, R.
Fernandes, L.M.P.
Ferrario, Paola
Ferreira, Antonio Luis
Freitas, Elisabete D.C.
Goldschmidt, Azriel
Gutiérrez, Rafael María
Hauptman, John M.
Hernández, Andrés I.
Hernando Morata, J.A.
Herrero, Vicente
Jones, Benjamin J.P.
Labarga, Luis A.
Laing, A.ndrew
Lebrun, P.
Liubarsky, Igor
López-March, N.
Losada, Marta
Martín-Albo Simón, Justo
Martínez Lema, Gonzalo
Martínez Pérez, Alberto
McDonald, Alison D.
Monteiro, Cristina M.B.
Mora, Francisco José
Moutinho, L.M.
Muñoz Vidal, J.
Musti, M.
Nebot Guinot, Miquel
Novella, P.
Nygren, David R.
Palmeiro, B.
Para, A.
Pérez, Javier Martin
Querol, M.
Renner, Joshua
Rogers, L.
Santos, Filomena P.
dos Santos, Joaquim M.F.
Serra Díaz-Cano, Luis
Shuman, Derek B.
Simón Estévez, Ander
Sofka, C.
Sorel, Michel
Stiegler, T.
Toledo, J.F.
Torrent Collell, Jordi
Tsamalaidze, Zviadi
Veloso, João F.C.A.
Webb, R.C.
White, James T.
Yahlali Haddou, Nadia
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We introduce a simulation framework for the transport of high and low energy electrons in xenon-based optical time projection chambers (OTPCs). The simulation relies on elementary cross sections (electron–atom and electron–molecule) and incorporates, in order to compute the gas scintillation, the reaction/quenching rates (atom–atom and atom–molecule) of the first 41 excited states of xenon and the relevant associated excimers, together with their radiative cascade. The results compare positively with observations made in pure xenon and its mixtures with CO2 and CF4 in a range of pressures from 0.1 to 10 bar. This work sheds some light on the elementary processes responsible for the primary and secondary xenon-scintillation mechanisms in the presence of additives, that are of interest to the OTPC technology ​
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