Negative Ion Drift TPC Development for High-Resolution Tracking --- Final Technical Report

2018 ◽  
Author(s):  
Sven Vahsen
Keyword(s):  
High Resolution ◽  
Negative Ion ◽  
Ion Drift ◽  
Technical Report

scholarly journals Directional Dark Matter Searches with CYGNO

Particles ◽  
2021 ◽  
Vol 4 (3) ◽  
pp. 343-353
Author(s):  
Fernando Domingues Amaro ◽  
Elisabetta Baracchini ◽  
Luigi Benussi ◽  
Stefano Bianco ◽  
Cesidio Capoccia ◽  
...  
Keyword(s):  
Dark Matter ◽  
Atmospheric Pressure ◽  
Time Projection Chamber ◽  
Negative Ion ◽  
Cmos Camera ◽  
Resolution Time ◽  
3D Tracking ◽  
Ion Drift ◽  
Optical Readout ◽  
Time Projection

The CYGNO project aims at developing a high resolution Time Projection Chamber with optical readout for directional dark matter searches and solar neutrino spectroscopy. Peculiar CYGNO’s features are the 3D tracking capability provided by the combination of photomultipliers and scientific CMOS camera signals, combined with a helium-fluorine-based gas mixture at atmospheric pressure amplified by gas electron multipliers structures. In this paper, the performances achieved with CYGNO prototypes and the prospects for the upcoming underground installation at Laboratori Nazionali del Gran Sasso of a 50-L detector in fall 2021 will be discussed, together with the plans for a 1-m3 experiment. The synergy with the ERC consolidator, grant project INITIUM, aimed at realising negative ion drift operation within the CYGNO 3D optical approach, will be further illustrated.

Candidate for Laser Cooling of a Negative Ion: High-Resolution Photoelectron Imaging of Th−

2019 ◽  
Vol 123 (20) ◽  
Author(s):  
Rulin Tang ◽  
Ran Si ◽  
Zejie Fei ◽  
Xiaoxi Fu ◽  
Yuzhu Lu ◽  
...  
Keyword(s):  
High Resolution ◽  
Laser Cooling ◽  
Negative Ion ◽  
Photoelectron Imaging

scholarly journals Polychlorinated Alkanes in Fish from Norwegian Freshwater

2002 ◽  
Vol 2 ◽  
pp. 136-140 ◽  
Author(s):  
Anders R. Borgen ◽  
Martin Schlabach ◽  
Roland Kallenborn ◽  
Eirik Fjeld
Keyword(s):  
High Resolution ◽  
Lipid Content ◽  
Lake Trout ◽  
Industrial Area ◽  
Arctic Char ◽  
Negative Ion ◽  
High Lipid ◽  
Fish Samples ◽  
Polychlorinated Alkanes ◽  
Negative Ion Mode

Short-chain polychlorinated alkanes (sPCAs) have been measured in freshwater fish samples from different lakes all over Norway and from the Norwegian Arctic. The analyses were performed with high-resolution GC coupled to high-resolution MS in electron capture negative ion mode. The species investigated were trout, Arctic char, and burbot (Lota lota). Muscle tissue in the lake trout and Arctic char, and liver in burbot, were selected for analyses because of their high lipid content. ∑sPCA concentration ranged from 108 to 3700 ng/g fat. The highest value was found in the south of Norway near an industrial area.

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