Results 41 to 50 of about 4,135 (229)

Naturally astrophobic QCD axion

Journal of High Energy Physics, 2023
We present a QCD axion model where the couplings of the axion to nucleons, electrons, and muons are naturally suppressed because of the appropriate choice of the Peccei-Quinn charges of the Standard Model fermions.
Marcin Badziak, Keisuke Harigaya
doaj   +1 more source

Probing Axion‐Like‐Particles at the CERN Gamma Factory [PDF]

Annalen der Physik, 2021
AbstractThe aim of the proposed CERN Gamma Factory is to produce ≈1017 photons per second with energies up to 400 MeV. The photon beam intensity is expected to be a factor of larger than that of the presently available photon beams in the MeV energy range. In this work, its potential to probe physics beyond the Standard Model is explored.
Teng Ma, Mieczyslaw Witold Krasny, Mieczyslaw Witold Krasny, Yotam Soreq, Benjamin R. Safdi, Benjamin R. Safdi, Reuven Balkin   +6 more
openaire   +5 more sources

Flavourful axion phenomenology

Journal of High Energy Physics, 2018
We present a comprehensive discussion of the phenomenology of flavourful axions, including both standard Peccei-Quinn (PQ) axions, associated with the solution to the strong CP problem, and non-standard axion-like particles (ALPs). We give the flavourful
Fredrik Björkeroth, Eung Jin Chun, Stephen F. King   +2 more
doaj   +1 more source

Towards a new generation axion helioscope [PDF]

, 2011
We study the feasibility of a new generation axion helioscope, the most ambitious and promising detector of solar axions to date. We show that large improvements in magnetic field volume, x-ray focusing optics and detector backgrounds are possible beyond
Avignone, F. T., Carmona, J. M., Caspi, S., Dafni, T., Davenport, M., Dudarev, A., Fanourakis, G., Ferrer-Ribas, E., Galan, J., Garcia, J. A., Geralis, T., Giomataris, I., Gomez, H., Hoffmann, D. H. H., Iguaz, F. J., Irastorza, I. G., Jakovcic, K., Kate, H. Ten, Krcmar, M., Lakic, B., Luzon, G., Papaevangelou, T., Pivovaroff, M., Raffelt, G., Redondo, J., Rodriguez, A., Russenschuck, S., Ruz, J., Shilon, I., Tomas, A., Troitsky, S., van Bibber, K., Villar, J. A., Vogel, J., Walckiers, L., Zioutas, K.   +35 more
core   +2 more sources

A TES system for ALPS II - Status and Prospects

Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2023), 2023
The Any Light Particle Search II (ALPS II) is a Light-Shining-through-a-Wall experiment operating at DESY, Hamburg. Its goal is to probe the existence of axions and axion-like particles (ALPs), possible candidates for dark matter.
José Alejandro Rubiera Gimeno, F. Januschek, K. Isleif, A. Lindner, Manuel Meyer, Gulden Othman, Christina Schwemmbauer, Rikhav Shah   +7 more
semanticscholar   +1 more source

Top Secrets: long-lived ALPs in top production

Journal of High Energy Physics, 2023
We investigate the discovery potential for long-lived particles produced in association with a top-antitop quark pair at the (High-Luminosity) LHC. Compared to inclusive searches for a displaced vertex, top-associated signals offer new trigger options ...
L. Rygaard, J. Niedziela, R. Schäfer, S. Bruggisser, J. Alimena, S. Westhoff, F. Blekman   +6 more
doaj   +1 more source

Axion-like Particles from String Compactifications [PDF]

, 2013
We review how axion-like particles (ALPs) naturally emerge in the low-energy effective field theory of string compactifications. We focus on the study of their mass spectrum and couplings, stressing that they depend on the mechanism used to fix the ...
Cicoli, Michele
core   +1 more source

Characterising a Single-Photon Detector for ALPS II

Journal of Low Temperature Physics, 2022
Transition Edge Sensors (TESs) have found widespread application in fundamental studies due to their low background rate, high efficiency, and excellent energy resolution.
Rikhav Shah, K. Isleif, F. Januschek, A. Lindner, M. Schott   +4 more
semanticscholar   +1 more source

Electroweak precision test of axion-like particles

Journal of High Energy Physics, 2023
We study the contributions of an axion-like particle to the electroweak precision observables. The particle is assumed to couple with the standard model electroweak gauge bosons.
Masashi Aiko, Motoi Endo
doaj   +1 more source

Light bosons and photospheric solutions to the solar abundance problem [PDF]

, 2013
It is well known that current spectroscopic determinations of the chemical composition of the Sun are starkly at odds with the metallicity implied by helioseismology.
A. C. Vincent, Abrahamyan, Allende Prieto, Allende Prieto, Arik, Arkani-Hamed, Arnett, Asplund, Asplund, Asplund, Asplund, Asplund, Asplund, Asztalos, Ayres, Ayres, Badnell, Bahcall, Bahcall, Bahcall, Bartlett, Basu, Basu, Bjorken, Brax, Brax, Bregant, Caffau, Caffau, Castro, Centeno, Charbonnel, Cheung, Chou, Christensen-Dalsgaard, Cumberbatch, Dasgupta, Davis, Drake, Duffy, Ehret, Essig, Frandsen, Gondolo, Grevesse, Guzik, Guzik, Hayek, Jaeckel, Khoury, Khoury, Masso, Meléndez, Mirizzi, Mirizzi, Moll, Morel, P. Scott, Peccei, R. Trampedach, Raffelt, Raffelt, Raffelt, Raffelt, Raffelt, Redondo, Rutten, Schlattl, Scott, Scott, Serenelli, Serenelli, Socas-Navarro, Steffen, Stein, Stein, Steiner, Svrcek, Taoso, Van Bibber, Yang, Zioutas   +81 more
core   +2 more sources