Improving the performance of the liquid argon TPC by doping with tetra-methyl-germanium

P Cennini,P Boccaccio,L Periale,L Mazzone,P Picchi,A Piazzoli,F Mauri,C De Vecchi,R Dolfini,C Rubbia,S Ventura,G.L Raselli,S Motto,A Pepato,C Vignoli,A Rappoldi,D Dzialo Giudice,S Otwinowski,E Calligarich,G Piano Mortari,S Centro,A Gigli Berzolari,P Benetti,F Cavanna,F Pietropaolo,C Montanari,D A Scannicchio ,Wei Tian ,F Casagrande ,Marcello Negrini ,Miaomiao Zhou ,H.g Wang ,X Li ,D Cline ,J P Revol ,Marco Verdecchia ,A Bettini ,Satoshi Suzuki

doi:10.1016/0168-9002(94)01405-1

Improving the performance of the liquid argon TPC by doping with tetra-methyl-germanium

P Cennini, P Boccaccio + Show 36 more

https://doi.org/10.1016/0168-9002(94)01405-1

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Journal: Nuclear Inst. and Methods in Physics Research, A	Publication Date: Feb 1, 1995
Citations: 21

Affiliation: European Organization for Nuclear Research, Legnaro National Laboratories, INFN Sezione di Pavia, University of Pavia, National Laboratory of Frascati, INFN Sezione di Padova, University of California, Los Angeles, University of L'Aquila

#Tetra-methyl-germanium #Liquid Argon + Show 6 more

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Abstract

In order to recover the charge lost by electron-ion recombination, we doped pure liquid argon with a photosensitive hydrocarbon, tetra-methyl-germanium (TMG), in the 3 ton ICARUS TPC. A charge increase of 25% to 220% was observed for different electric fields and for energy densities ranging from 1.6 to 32 MeV/cm.

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