Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Alexander, Merle"'
Publikováno v:
Physics Letters B, Vol 764, Iss C, Pp 157-162 (2017)
We present an illustrative discussion of the physics potential of μ−–e+ conversion. We point out that this process, although much less frequently studied than the related but much more popular processes of μ−–e− conversion and neutrinoles
Externí odkaz:
https://doaj.org/article/87bab3a445274601a2bd9a486a8dd724
Autor:
Alexander Merle, Aurel Schneider
Publikováno v:
Physics Letters B, Vol 749, Iss C, Pp 283-288 (2015)
The recent observation of an X-ray line at an energy of 3.5 keV mainly from galaxy clusters has initiated a discussion about whether we may have seen a possible dark matter signal. If confirmed, this signal could stem from a decaying sterile neutrino
Externí odkaz:
https://doaj.org/article/7b7dce01f76548139aaf90e87b740a64
Autor:
Alexander Merle, Werner Rodejohann
Publikováno v:
Advances in High Energy Physics, Vol 2007 (2007)
We consider the possibility to gain information on the lepton mixing matrix element |Ue3| from an improved experimental limit on the effective neutrino mass governing neutrinoless double beta decay. We show that typically a lower limit on |Ue3| as a
Externí odkaz:
https://doaj.org/article/1e90aecb27de45f3b7ebaed70237ec10
Publikováno v:
Frontiers Research Topics ISBN: 9782889633517
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3629de306ebd87a56202bbf0091f6a7
https://doi.org/10.3389/978-2-88963-351-7
https://doi.org/10.3389/978-2-88963-351-7
Publikováno v:
New Journal of Physics, Vol 16, Iss 4, p 045018 (2014)
The origin of fermion mass hierarchies and mixings is one of the unresolved and most difficult problems in high-energy physics. One possibility to address the flavour problems is by extending the standard model to include a family symmetry. In the re
Externí odkaz:
https://doaj.org/article/c2ac66f0124b428787d0cbeeff39eddd
Autor:
Alexander Merle
This book is a new look at one of the hottest topics in contemporary science, Dark Matter. It is the pioneering text dedicated to sterile neutrinos as candidate particles for Dark Matter, challenging some of the standard assumptions which may be true
Autor:
Alexander Merle, Tanja Geib
Publikováno v:
Physical Review D. 95
We present a detailed discussion of the lepton flavor and number violating conversion of bound muons into positrons. This process is a viable alternative to neutrinoless double beta decay, and, given that experiments on ordinary ${\ensuremath{\mu}}^{
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42d6d1b102799b969b8a30fd2ff23e06
https://doi.org/10.1103/physrevd.95.055009
https://doi.org/10.1103/physrevd.95.055009
Autor:
Alexander Merle
Publikováno v:
Proceedings of Neutrino Oscillation Workshop — PoS(NOW2016).
We give an overview of the current status of keV sterile neutrino Dark Matter. After a short introduction, we start by a general discussion of non-thermal production of Dark Matter, which applies to the three most commonly discussed mechanisms to pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fedac99f6a1ecc6641c125ea153bc945
https://doi.org/10.22323/1.283.0082
https://doi.org/10.22323/1.283.0082
Publikováno v:
Physics Letters B. 724(1-3):77-83
Although Planck data supports the standard \Lambda CDM model, it still allows for the presence of Dark Radiation corresponding up to about half an extra standard neutrino species. We propose a scenario for obtaining a fractional "effective neutrino s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b79a1ebf8a4e5ce211cb7a0b3fa53148