Zobrazeno 1 - 10
of 11
pro vyhledávání: '"M. Aa. Solberg"'
Autor:
R. Plantey, M. Aa. Solberg
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-21 (2024)
Abstract We derive necessary and sufficient conditions for order-2 CP (CP2) symmetry in N-Higgs-doublet potentials for N > 2. The conditions, which are formulated as relations between vectors that transform under the adjoint representation of SU(N) u
Externí odkaz:
https://doaj.org/article/2ea7be9b676b493b8ac8dda9df9fa44c
Autor:
M. Aa. Solberg
Publikováno v:
Journal of High Energy Physics, Vol 2018, Iss 5, Pp 1-30 (2018)
Abstract We derive basis-independent, necessary and sufficient conditions for the custodial symmetry in N-Higgs-doublet models (NHDM) for N ≥ 3, and apply them on some 3HDM examples.
Externí odkaz:
https://doaj.org/article/4a6c5816635b42da888f7349fb49c293
Autor:
Veniamin Sergeevich Berezinskii, Vyacheslav Dokuchaev, Yurii N. Eroshenko, M. Kachelriess, M. Aa. Solberg
Publikováno v:
Teoreticheskaya i Matematicheskaya Fizika. 170:102-109
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f7e84fcf5c059c8efcc2d9aa4a78ea5
https://doi.org/10.4213/tmf6748
https://doi.org/10.4213/tmf6748
Publikováno v:
Theoretical and Mathematical Physics. 170:83-89
We describe some specific but reasonable conditions for the formation of superdense clumps (or minihalos) of dark matter. Such clumps can be produced by several mechanisms, most notably by spiky features in the spectrum of density perturbations. Bein
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9074b9666ca809b2906d987ff241619
https://doi.org/10.1007/s11232-012-0008-7
https://doi.org/10.1007/s11232-012-0008-7
Autor:
M. Aa. Solberg
Publikováno v:
Journal of Physics G
We prove that a generic multi-Higgs-doublet model (NHDM) generally must contain terms in the potential that violate the custodial symmetry. This is done by showing that the O(4) violating terms of the NHDM potential cannot be excluded by imposing a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e9f36211ad3ecc1e4a0b83118bf35e4
http://hdl.handle.net/11250/247115
http://hdl.handle.net/11250/247115
Publikováno v:
PoS(IDM2010)
PoS-Proceedings of Science
Scopus-Elsevier
PoS-Proceedings of Science
Scopus-Elsevier
We describe the cosmological scenario for the formation of superdense dark matter clumps. As an interesting particular example the case of superheavy neutralino as DMparticles is considered. The small-scale superdense clumps form from a non-standard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c0c9c1939cf1869291fea9770f0124f
https://hdl.handle.net/11250/2620881
https://hdl.handle.net/11250/2620881
Publikováno v:
Journal of High Energy Physics (JHEP)
We investigate possible symmetry properties of the scalar sector of Multi-Higgs-Doublet Models, and, to some extent, the generalization of such models to gauge groups other than $SU(2)_L\times U(1)_Y$. In models where the ${\cal C}$ (charge conjugati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a6b53182e6ccf4723c0be9316f4b67b
http://hdl.handle.net/11250/2621334
http://hdl.handle.net/11250/2621334
The formation and evolution of superdense clumps (or subhalos) is studied. Such clumps of dark matter (DM) can be produced by many mechanisms, most notably by spiky features in the spectrum of inflationary perturbations and by cosmological phase tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bb19820e9df90471cf3dba04fac767d
http://arxiv.org/abs/1002.3444
http://arxiv.org/abs/1002.3444
Superheavy dark matter (SHDM) exchanges energy with its environment much slower than particles with masses close to the electroweak (EW) scale and has therefore different small-scale clustering properties. Using the neutralino as candidate for the SH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44e528a8b9888ad438d6a8910e8a0ff7
Publikováno v:
Physical Review D
Physical Review D, American Physical Society, 2009, 80 (12), pp.123533-1, 12533-9. ⟨10.1103/PhysRevD.80.123533⟩
Physical Review D, American Physical Society, 2009, 80 (12), pp.123533-1, 12533-9. ⟨10.1103/PhysRevD.80.123533⟩
Interpretations of indirect searches for dark matter (DM) require theoretical predictions for the annihilation or decay rates of DM into stable particles of the standard model. These predictions include usually only final states accessible as lowest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e47c697c6a67040ea85fe105516ac37d
https://hal.archives-ouvertes.fr/hal-00705331
https://hal.archives-ouvertes.fr/hal-00705331