Contribution to a conference proceedings/Internal Report

PUBDB-2016-01080

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Status of ALPS-II at DESY

von Seggern, J. E. (Corresponding author)>Extern* ; ALPS Collaboration (Collaboration Author)

2011
Deutsches Elektronen-Synchrotron, DESY Hamburg

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2011-04/von_seggern_jan_eike

Report No.: DESY-PROC-2011-04

Abstract: The light-shining-through-a-wall (LSW) experiment ALPS at DESY provides the current best lab-based bounds for WISP couplings. Based on this success, preparations for ALPS-II have started. The aim is to increase the sensitivity by three orders of magnitude to probe parameter regions with astrophysical hints for the existence of WISPs from white dwarf energy loss and the TeV transparency of the intergalactic medium. To reach this sensitivity, ALPS-II will be considerably longer, making use of 2 x 12 HERA dipole magnets. The laser power in the WISP-production region will be increased and a second optical cavity in the regeneration region will be constructed. Additionally, a very low-noise transition-edge photo-detector is in development. In a pre-experiment, it will be possible to probe the hidden-photon interpretation of the WMAP-7 excess in sterile neutrinos.

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Contributing Institute(s):

1. Bibliothek und Dokumentation (L)

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. Facility (machine) HERA

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Proceedings/Internal Report Schumann, M. (Editor) ; Zioutas, K. (Editor)
Proceedings, 7th Patras Workshop on Axions, WIMPs and WISPs
20117th Patras Workshop on Axions, WIMPs and WISPs, AXION-WIMP 2011, MykonosMykonos, Greece , 27 Jun 2011 - 1 Jul 20112011-06-272011-07-01     Files BibTeX | EndNote: XML, Text | RIS

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