CERN Accelerating science

Small and medium experiments group

Exotic searches with NA62 experiment

by Panos Charitos

Apart from high-precision measurement of rare processes that could reveal new physics, the NA62 collaboration is also looking into the possibility of the existence of exotic particles.

MOEDAL first results at the LHC’s discovery frontier

by James Pinfold (MoEDAL Spokersperson, University of Alberta)

MoEDAL has finished an initial campaign of calibration and is now poised start to produce greatly enhanced results, with unparalleled sensitivity, using the full detector

First measurements of the antihydrogen spectrum

by Panos Charitos

ALPHA experiment observed the 1S-2S transition in trapped antihydrogen. This is the first time a spectral line has been observed in antihydrogen and the next steps are to measure the transition's lineshape and increase the precision of the measurement. 

A new experiment searching for dark matter at CERN

by Stefania Pandolfi

The NA64 experiment started operations at CERN’s North Area earlier this year hunting the hypothetical dark photon

On 28th September, the ISOLDE Collaboration celebrated the completion of stage 1 of the HIE-ISOLDE project, which opens up new physics opportunities for radioactive ion beam experiments at CERN.

ASACUSA Collaboration at CERN AD

by Ryugo Hayano on behalf of the ASACUSA collaboration

The ASACUSA experiment focuses on antihydrogen ground-state hyperfine splitting measurement and antiprotonic helium laser spectroscopy, both aiming at precise CPT tests.

The BASE Experiment

by Stefan Ulmer on behalf of the BASE Experiment

BASE collaboration, approved in 2013, will conduct Penning trap based high-precision investigations of the fundamental properties of protons and antiprotons providing stringent tests of the CPT symmetry.

HIE-ISOLDE: Stage 1 fully installed

by Maria Jose Garcia Borge

The High Intensity and Energy at ISOLDE, HIE-ISOLDE, project intends to improve the experimental capabilities at ISOLDE over a wide front. The impact of the increase of energy and intensity of the injectors together with a number of improvements in several aspects of the secondary beam properties are addressed in the HIE-ISOLDE Design Study.

Recent results from the CLOUD experiment

by Panos Charitos & Jasper Kirkby

CERN’s  CLOUD  experiment publish new paper that sheds new light on cloud formation. It shows that biogenic vapours emitted by trees and oxidised in the atmosphere have a significant impact on the formation of clouds, thus helping to cool the planet.

MoEDAL releases new mass limits for the production of monopoles

by B Acharya et al. MoEDAL Collaboration

In April, the MoEDAL collaboration submitted its first physics research publication on the search for magnetic monopoles



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