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Low Radioactivity Techniques Workshop - LRT2013

10–12 Apr 2013
INFN - Laboratori Nazionali del Gran Sasso
Europe/Rome timezone

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Session

Session 4 - Fabrication methods and surface contamination control

4
10 Apr 2013, 16:00
E. Fermi auditorium (INFN - Laboratori Nazionali del Gran Sasso)

E. Fermi auditorium

INFN - Laboratori Nazionali del Gran Sasso

SS 17 bis, km 18 + 910, 67100 Assergi (AQ), Italy

Conveners

Session 4 - Fabrication methods and surface contamination control

  • Lino Miramonti (MI)

Session 4 - Fabrication methods and surface contamination control

  • Lino Miramonti (MI)

Presentation materials

There are no materials yet.

  1. 69. Overview of wash-off, leaching and surface cleaning techniques
    Dr Oleg Chkvorets (Laurentian University)
    10/04/2013, 16:00
    oral presentation
  2. 41. Radon induced surface contaminations in low background experiments
    Dr Luca Maria Pattavina (Milano Bicocca University)
    10/04/2013, 16:25
    Fabrication methods and surface contamination control
    oral presentation
    In neutrinoless double beta decay and dark matter searches, one of the main issues is to increase the experimental sensitivity through careful material selection and production, minimizing the background contributions. In order to achieve the required, extremely low, counting rates, very stringent requirements must be fulfilled in terms of bulk material radio-purity. As the experimental...
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  3. 58. Low background techniques from XMASS
    Dr Hiroshi Ogawa (Institute for Cosmic Ray Research University of Tokyo)
    10/04/2013, 17:15
    Fabrication methods and surface contamination control
    oral presentation
    An 800kg liquid xenon detector (XMASS) was constructed in Kamioka laboratory, Japan in 2010, and a commissioning run was conducted from November 2010 to June 2012. Although we have achieved the design level of internal backgrounds, it was found that surface contamination is the major contribution of the remaining background. The origins of the surface background have been extensively...
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  4. 13. Control of Radon-Induced Contamination in the DEAP-3600 Acrylic Vessel
    Dr Chris Jillings (SNOLAB/Laurentian University)
    10/04/2013, 17:35
    Fabrication methods and surface contamination control
    oral presentation
    DEAP-3600 is a 3600kg single-phase liquid-argon dark matter detector under construction at SNOLAB. The argon is held an an acrylic vessel which is optically transparent at the shifted wavelength of 420 nm; an effective neutron shield; and physically strong. Because the acrylic (Poly Methyl MethAcrylate) is in contact with the liquid argon it can be a source of alpha-induced backgrounds....
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  5. 24. BiPo: A dedicated radiopurity detector for the SuperNEMO experiment
    Dr HECTOR GOMEZ (Laboratoire de l'Accélérateur Linéaire (LAL-Orsay))
    10/04/2013, 17:55
    Fabrication methods and surface contamination control
    oral presentation
    New generation experiments in Astroparticle Physics need to operate in really restrictive background conditions, which implies the use of high radiopure materials for the experimental setup construction. For this reason the screening of the materials with enough sensitivity has become a challenge that sometimes cannot be afforded with standard techniques like Germanium detector...
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