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Author |
Gola, S.; Mandal, S.; Sinha, N. |
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Title |
ALP-portal majorana dark matter |
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Journal Article |
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Year |
2022 |
Publication |
International Journal of Modern Physics A |
Abbreviated Journal |
Int. J. Mod. Phys. A |
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Volume |
37 |
Issue |
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Pages  |
2250131 - 14pp |
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Keywords |
Axion like particle; heavy neutrinos; dark matter |
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Abstract |
Axion like particles (ALPs) and right-handed neutrinos (RHNs) are two well-motivated dark matter (DM) candidates. However, these two particles have a completely different origin. Axion was proposed to solve the strong CP problem, whereas RHNs were introduced to explain light neutrino masses through seesaw mechanisms. We study the case of ALP portal RHN DM (Majorana DM) taking into account existing constraints on ALPs. We consider the leading effective operators mediating interactions between the ALP and Standard Model (SM) particles and three RHNs to generate light neutrino masses through type-I seesaw. Further, ALP-RHN neutrino coupling is introduced to generalize the model which is restricted by the relic density and indirect detection constraint. |
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Address |
[Gola, Shivam; Sinha, Nita] Inst Math Sci, CIT Campus, Chennai 600113, Tamil Nadu, India, Email: shivamg@imsc.res.in; |
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Publisher |
World Scientific Publ Co Pte Ltd |
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Language |
English |
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Edition |
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ISSN |
0217-751x |
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Notes |
WOS:000854297000001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5359 |
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Author |
Ahyoune, S. et al; Gimeno, B.; Reina-Valero, J. |
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Title |
A Proposal for a Low-Frequency Axion Search in the 1-2 μeV Range and Below with the BabyIAXO Magnet |
Type |
Journal Article |
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Year |
2023 |
Publication |
Annalen der Physik |
Abbreviated Journal |
Ann. Phys. |
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Volume |
535 |
Issue |
12 |
Pages |
2300326 - 23pp |
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Keywords |
axions; dark matter; dark photons; haloscopes; IAXO |
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Abstract |
In the near future BabyIAXO will be the most powerful axion helioscope, relying on a custom-made magnet of two bores of 70 cm diameter and 10 m long, with a total available magnetic volume of more than 7 m(3). In this document, it proposes and describe the implementation of low-frequency axion haloscope setups suitable for operation inside the BabyIAXO magnet. The RADES proposal has a potential sensitivity to the axion-photon coupling g(alpha gamma) down to values corresponding to the KSVZ model, in the (currently unexplored) mass range between 1 and 2 μeV, after a total effective exposure of 440 days. This mass range is covered by the use of four differently dimensioned 5-meter-long cavities, equipped with a tuning mechanism based on inner turning plates. A setup like the one proposed will also allow an exploration of the same mass range for hidden photons coupled to photons. An additional complementary apparatus is proposed using LC circuits and exploring the low energy range (approximate to 10(-4)-10(-1)mu eV). The setup includes a cryostat and cooling system to cool down the BabyIAXO bore down to about 5 K, as well as an appropriate low-noise signal amplification and detection chain. |
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Address |
[Ahyoune, Saiyd; Cuendis, Sergio Arguedas; Miralda-Escude, Jordi] Univ Barcelona, Inst Ciencies Cosmos, Barcelona 08028, Spain, Email: cogollos@mpp.mpg.de |
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Publisher |
Wiley-V C H Verlag Gmbh |
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Language |
English |
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ISSN |
0003-3804 |
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Conference |
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Notes |
WOS:001095932700001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5833 |
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