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Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Instrumentation

HK 45.4: Talk

Tuesday, March 5, 2013, 17:45–18:00, HSZ-405

NeuLand Submodules Exposed to Fast Neutrons — •Igor Gasparic1,2, Thomas Aumann1,3, Konstanze Boretzky3, Michael Heil3, Simon Jährling1, and Haik Simon31Technische Universität, Darmstadt, Germany — 2Rudjer Boskovic Institute, Zagreb, Croatia — 3GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany

Within the R3B collaboration (Reactions with Relativistic Radioactive Beams), a new neutron detector NeuLAND (New Large Area Neutron Detector) is being developed. The technical design was finalized in November 2011, a fully active scintillator concept was chosen. It will be a box-shaped 2.5×2.5×3 m3 detector consisting of 3000 scintillator bars arranged in 60 planes with mutually orthogonal orientation. An array of 150 NeuLAND bars was exposed to fast "mono-energetic" neutrons stemming from quasi-free deuteron breakup reactions on a CH2 target (250 to 1500 AMeV). The experiment carried out at GSI in Nov. 2012 aims for determination of both time resolution and efficiency of NeuLAND submodules. Preliminary results of the analysis will be presented.

Supported by HIC for FAIR, GSI, and the BMBF project 06DA7047I.

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