This paper reports on laser-induced multiphoton ionization at 266 nm of liquid argon in a time projection chamber (LAr TPC) detector. The electron signal produced by the laser beam is a formidable tool for the calibration and monitoring of next-generation large-mass LAr TPCs. The detector that we designed and tested allowed us to measure the two-photon absorption cross-section of LAr with unprecedented accuracy and precision: sigma_ex = (1.24±0.10_stat ±0.30_syst)×10^−56 cm^4 s^−1.
Measurement of the two-photon absorption cross-section of liquid argon with a time projection chamber / I., Badhrees; A., Ereditato; I., Kreslo; M., Messina1; U., Moser; B., Rossi; M. S., Weber; M., Zeller; Altucci, Carlo; Amoruso, Salvatore; Bruzzese, Riccardo; Velotta, Raffaele. - In: NEW JOURNAL OF PHYSICS. - ISSN 1367-2630. - ELETTRONICO. - 12:Art. No. 113024(2010), pp. 113024-1-113024-15. [10.1088/1367-2630/12/11/113024]
Measurement of the two-photon absorption cross-section of liquid argon with a time projection chamber
ALTUCCI, CARLO;AMORUSO, SALVATORE;BRUZZESE, RICCARDO;VELOTTA, RAFFAELE
2010
Abstract
This paper reports on laser-induced multiphoton ionization at 266 nm of liquid argon in a time projection chamber (LAr TPC) detector. The electron signal produced by the laser beam is a formidable tool for the calibration and monitoring of next-generation large-mass LAr TPCs. The detector that we designed and tested allowed us to measure the two-photon absorption cross-section of LAr with unprecedented accuracy and precision: sigma_ex = (1.24±0.10_stat ±0.30_syst)×10^−56 cm^4 s^−1.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
