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ALPS II is a light shining through a wall style experiment that will use optical cavities to resonantly enhance the coupling between photons and axion-like particles in the mass range below 0.1 meV. In the last year there has been…

Instrumentation and Detectors · Physics 2019-06-24 Aaron Spector

The ALPS experiment at DESY searches for light particles which are coupling very weakly to photons. Primary physics goal is the search for axion like particles in a photon regeneration experiment. Central part of the experimental setup is a…

High Energy Physics - Experiment · Physics 2008-12-19 K. Ehret

The Any Light Particle Search II (ALPS II) is an experiment that utilizes the concept of resonant enhancement to improve on the sensitivity of traditional light shining through a wall style experiments. These experiments attempt to detect…

Instrumentation and Detectors · Physics 2016-11-21 Aaron Spector

We propose a novel idea to detect a dark photon in gravitational wave experiments. Our setups are capable of performing the whole process of dark photon production, its decay products, and new physics signal discovery. This mini-LHC is…

High Energy Physics - Phenomenology · Physics 2023-04-18 M. Afif Ismail , Chrisna Setyo Nugroho , Henry Tsz-King Wong

High-intensity photon beams can provide for a viable probe for many particles of Standard Model extensions. This workshop contribution briefly reviews the status of the second stage of the Any Light Particle Search (ALPS-II) at DESY, an…

High Energy Physics - Phenomenology · Physics 2012-12-13 Babette Döbrich

We report on new results of a search for two-photon interaction with axionlike particles (ALPs). The experiment was carried out at a synchrotron radiation facility using a "light shining through a wall (LSW)" technique. For this purpose, we…

High Energy Physics - Experiment · Physics 2017-02-21 T. Inada , T. Yamazaki , T. Namba , S. Asai , T. Kobayashi , K. Tamasaku , Y. Tanaka , Y. Inubushi , K. Sawada , M. Yabashi , T. Ishikawa , A. Matsuo , K. Kawaguchi , K. Kindo , H. Nojiri

This proceedings contribution gives a brief experimental update of the `Any light particle search (ALPS) -II' at DESY which will be sensitive to sub-eV, very weakly coupled particles beyond the Standard Model. First data on hidden sector…

Instrumentation and Detectors · Physics 2019-08-14 Babette Döbrich

The OSQAR photon regeneration experiment searches for pseudoscalar and scalar axion-like particles by the method of "Light Shining Through a Wall", based on the assumption that these weakly interacting sub-eV particles couple to two photons…

From February to May of 2024 the Any Light Particle Search II (ALPS II) conducted its first science campaign using the `light-shining-through-a-wall' technique to search for pseudo-Goldstone bosons that lie beyond the Standard Model of…

The ALPS II experiment, Any Light Particle Search II at DESY in Hamburg, will look for light (m< 10-4 eV) new fundamental bosons (e.g., axion-like particles, hidden photons and other WISPs) in the next years by the mean of a…

Instrumentation and Detectors · Physics 2015-09-08 Noemie Bastidon , Dieter Horns , Axel Lindner

Most embeddings of the Standard Model into a more unified theory, in particular the ones based on supergravity or superstrings, predict the existence of a hidden sector of particles which have only very weak interactions with the visible…

High Energy Physics - Phenomenology · Physics 2015-05-18 Joerg Jaeckel , Andreas Ringwald

Light shining through a wall experiments can be used to make measurements of photon-WISP couplings. The first stage of the CASCADE experiment at the Cockcroft Institute of Accelerator Science and Technology is intended to be a…

At DESY the ALPS II experiment is being installed in the HERA tunnel to search for axion like particles (ALPs). A laser beam will be injected into a string of superconducting HERA dipole magnets, to produce ALPs. After passing a light tight…

We discuss a novel detection technique for millicharged dark matter that makes use of existing light-shining-through-wall (LSW) experiments searching for massive dark photons. Since millicharged particles interact with both the visible and…

High Energy Physics - Phenomenology · Physics 2023-05-11 Asher Berlin , Raffaele Tito D'Agnolo , Sebastian A. R. Ellis , Jury I. Radkovski

Any Light Particle Search II (ALPS II) is a dual optical cavity enhanced light-shining-through-a-wall (LSW) experiment at DESY in Hamburg looking for axions and axion-like particles with a target search sensitivity of $g_{a \gamma \gamma}$…

High Energy Physics - Experiment · Physics 2024-03-12 Li-Wei Wei

The elegant solutions to the strong CP problem predict the existence of a particle called axion. Thus, the search for axion like particles (ALP) has been an ongoing endeavor. The possibility that these axion like particles couple to photons…

To detect or exclude the existence of hidden sector photons or axion like particles, a table-top "microwaves shining through the wall" experiment has been set up at CERN. An overview of the experimental layout is given, the technical…

Instrumentation and Detectors · Physics 2013-10-01 M. Betz , F. Caspers , M. Gasior , M. Thumm

ALPS II is a light shining through a wall style experiment that will use the principle of resonant enhancement to boost the conversion and reconversion probabilities of photons to relativistic WISPs. This will require the use of long…

Optics · Physics 2016-12-21 Aaron D. Spector , Jan H. Põld , Robin Bähre , Axel Lindner , Benno Willke

Laboratory based searches for weakly-interacting slim particles (WISPs) of the light-shining-through-a-wall type (LSW) use visible or near-infrared (NIR) laser light. Low-noise and highly efficient detectors are necessary to improve over…

Instrumentation and Detectors · Physics 2013-10-03 Jan Eike von Seggern

Axions and axion-like particles (ALPs) are well-motivated dark matter (DM) candidates that couple to photons in external magnetic fields. The parameter space around $m_a \sim 50~\mu$eV remains largely unexplored by haloscope experiments. We…

High Energy Physics - Experiment · Physics 2025-10-09 Josep Maria Batllori , Michael Frosz , Dieter Horns , Marios Maroudas