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Karlsruhe 2011 – scientific programme

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T: Fachverband Teilchenphysik

T 111: Experimentelle Techniken der Astroteilchenphysik III

T 111.6: Talk

Wednesday, March 30, 2011, 18:00–18:15, 30.95: 001

Measurement of the thermo-acoustic effect for acoustic neutrino detection — •Dirk Heinen, Sascha Cramer, Karim Laihem, Larissa Paul, and Christopher Wiebusch — III. Physikalisches Institut, RWTH Aachen, D-52056 Aachen

Future neutrino telescopes with the aim to explore the extreme high energy region (E > 1018 eV) require 1-2 orders of magnitude larger effective volumes compared to current optical detectors (IceCube 1 km3). One possible approach is the thermo-acoustic detection of hadronic cascades from neutrino interactions. A main goal of the Aachen Acoustic Laboratory (AAL) is to study the thermo-acoustic effect under laboratory conditions and to develop appropriate detection methods. Central element is a large 3 m3 ice or water tank in which sensor and emitter elements are deployed. Thermo-acoustic signals are generated by a pulsed laser beam injected into the tank. In this talk we present the status of the setup and the measurement of laser induced thermo-acoustic sound waves.

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