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Author
Bechtle, P. et al
;
Orero Canet, C.
;
Blanch C.
;
Irles, A.
Title
A proposal for the LOHENGRIN experiment to search for dark sector particles at the ELSA Accelerator
Type
Journal Article
Year
2025
Publication
European Physical Journal C
Abbreviated Journal
Eur. Phys. J. C
Volume
85
Issue
5
Pages
600 - 29pp
Keywords
Abstract
We present a proposal for a future light dark matter search experiment at the Electron Stretcher Accelerator ELSA in Bonn: Lohengrin. It employs the fixed-target missing momentum based technique for searching for dark-sector particles. The Lohengrin experiment uses a beam of electrons that is extracted from the ELSA accelerator and that is shot onto a thin target to produce mainly Standard Model bremsstrahlung and – in rare occasions – possibly new particles coupling feebly to the electron. A well motivated candidate for such a new particle is the dark photon, a new, possibly massive gauge boson arising from a new gauge interaction in a dark sector and mixing kinetically with the Standard Model photon. The Lohengrin experiment is estimated to reach sensitivity to couplings small enough to explain the relic abundance of dark matter in various models for dark photon masses between approximately 1 MeV and approximately 100 MeV.
Address
[Bechtle, Philip; Bespin, Christian; Desch, Klaus; Dreiner, Herbi; Freyermuth, Oliver; Gauld, Rhorry; Gruber, Markus; Hajjar, Hazem; Hamer, Matthias; Heinrichs, Jan-Eric; Kaminski, Jochen; Klipphahn, Laney; Krueger, Hans; Lupberger, Michael; Proft, Dennis; Richarz, Leonie; Schiffer, Tobias; Schwaebig, Patrick; Schuermann, Martin] Rheinische Friedrich Wilhelms Univ Bonn, Phys Inst, Nussallee 12, D-53115 Bonn, Germany, Email: bechtle@physik.uni-bonn.de;
Corporate Author
Thesis
Publisher
Springer
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1434-6044
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:001499234200001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
6691
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