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Ageing in the LHCb outer tracker: Phenomenon, culprit and effect of oxygen
/ Bachmann, S (U. Heidelberg (main)) ; Bagaturia, Y (U. Heidelberg (main)) ; Blom, M (NIKHEF, Amsterdam) ; Ceelie, L (NIKHEF, Amsterdam) ; van Eijk, D (NIKHEF, Amsterdam) ; Faerber, Ch (U. Heidelberg (main)) ; Haas, T (U. Heidelberg (main)) ; Mous, I (NIKHEF, Amsterdam) ; Nawrot, A (Warsaw, Inst. Nucl. Studies) ; Pellegrino, A (NIKHEF, Amsterdam) et al.
The LHCb Outer Tracker (OT) detector has shown to suffer from gain loss after irradiation in the laboratory at moderate intensities. Under irradiation an insulating layer is formed on the anode wire. [...]
LHCb-PROC-2009-019; LHCb-CONF-2009-019; CERN-LHCb-CONF-2009-019.-
Geneva : CERN, 2010 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 617 (2010) 202-205
Fulltext: PDF;
In : 11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.202-205
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Radiation hardness of the LHCb Outer Tracker
/ van Eijk, D (NIKHEF, Amsterdam) ; Bachmann, S (Heidelberg U.) ; Bauer, T (NIKHEF, Amsterdam) ; Färber, C (Heidelberg U.) ; Bien, A (Heidelberg U.) ; Coco, V (NIKHEF, Amsterdam) ; Deckenhoff, M (Tech. U., Dortmund) ; Dettori, F (NIKHEF, Amsterdam) ; Ekelhof, R (Tech. U., Dortmund) ; Gersabeck, E (Heidelberg U.) et al.
This paper presents results on the radiation hardness of the LHCb Outer Tracker (OT) during LHC operation in 2010 and 2011. Modules of the OT have shown to suffer from ageing effects that lead to gain loss, after irradiation in the laboratory. [...]
LHCb-DP-2012-001.-
2012
- Published in : Nucl. Instrum. Methods Phys. Res., A 685 (2012) 62-69
Fulltext: PDF;
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The readout system for the LHCb Outer Tracker
/ Wiedner, D (CERN) ; Albrecht, J (Heidelberg U.) ; Apeldorn , G (NIKHEF, Amsterdam) ; Bachmann, S (Heidelberg U.) ; Bagaturi , I (CERN) ; Bauer, T (NIKHEF, Amsterdam) ; Berkien, A (NIKHEF, Amsterdam) ; Blouw, J (NIKHEF, Amsterdam) ; Bos, E (NIKHEF, Amsterdam) ; Deisenroth, M (Heidelberg U.) et al.
The LHCb Outer Tracker is composed of 55 000 straw drift tubes. The requirements for the OT electronics are the precise (1 ns) drift time measurement at 6 % occupancy and 1 MHz readout. [...]
LHCb-PROC-2006-033; CERN-LHCb-PROC-2006-033.-
Geneva : CERN, 2006 - 5 p.
Fulltext: PDF; Published version from CERN: PDF;
In : 12th Workshop on Electronics For LHC and Future Experiments, Valencia, Spain, 25 - 29 Sep 2006, pp.148-152 (CERN-2007-001)
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The Front End Electronics of the LHCb Straw Tube Tracker
/ Berkien, A (NIKHEF, Amsterdam) ; Deppe, H (Heidelberg U.) ; du Pree, T (NIKHEF, Amsterdam) ; van Eijk, D (NIKHEF, Amsterdam) ; Fanizzi, G (NIKHEF, Amsterdam) ; Heine, E (NIKHEF, Amsterdam) ; Jansen, F (NIKHEF, Amsterdam) ; Knopf, J (U. Heidelberg (main)) ; Pellegrino, A (NIKHEF, Amsterdam) ; Rausch, A (U. Heidelberg (main)) et al.
The LHCb experiment is a single-arm spectrometer, designed to study B-hadron decays at the Large Hadron Collider (LHC). It is crucial to accurately and efficiently track the charged decay products with the Outer Tracker straw tube detector, in the high-density particle environment of the LHC. [...]
LHCb-PROC-2009-021; LHCb-CONF-2009-021; CERN-LHCb-CONF-2009-021.-
Geneva : CERN, 2010 - 2 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 617 (2010) 329-331
Fulltext: PDF;
In : 11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.329-331
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HV Training as a Cure for the Ageing in the Outer Tracker
/ Tuning, N (NIKHEF, Amsterdam ) ; Blom, M (NIKHEF, Amsterdam ) ; van Eijk, D (NIKHEF, Amsterdam ) ; Mous, I (NIKHEF, Amsterdam ) ; Pellegrino, A (NIKHEF, Amsterdam ) ; Storaci, B (NIKHEF, Amsterdam ) ; Visser, E (NIKHEF, Amsterdam )
The straw-tubes modules of the Outer Tracker detector suffer from gain loss under irradiation at moderate intensities. High voltage training beyond the proportional regime, producing large dark currents, has been shown to repair the gain loss in most cases, and even prevent future radiation damage until certain irradiation doses. [...]
LHCb-PUB-2010-010; CERN-LHCb-PUB-2010-010; LHCb-INT-2010-009.-
Geneva : CERN, 2010 - 26 p.
Fulltext: PDF;
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