Showing 81 - 100 results of 152 for search '"dark matter"', query time: 0.05s Refine Results
  1. 81
  2. 82

    The revival of $$U(1)_{L_e-L_{\mu }}$$ U ( 1 ) L e - L μ : a natural solution for $$(g-2)_{\mu }$$ ( g - 2 ) μ with a sub-GeV dark matter by Bibhabasu De

    Published 2025-01-01
    “…The model can also accommodate a viable Dark Matter (DM) candidate $$\chi $$ χ – a vector-like SM-singlet fermion in the sub-GeV mass regime. …”
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  3. 83
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  6. 86

    Probes for 4th Generation Constituents of Dark Atoms in Higgs Boson Studies at the LHC by M. Yu. Khlopov, R. M. Shibaev

    Published 2014-01-01
    “…The nonbaryonic dark matter of the Universe can consist of new stable charged species, bound in heavy neutral “atoms” by ordinary Coulomb interaction. …”
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  7. 87

    Analysis of Bianchi Type V Holographic Dark Energy Models in General Relativity and Lyra’s Geometry by Daba Meshesha Gusu, M. Vijaya Santhi

    Published 2021-01-01
    “…The energy density of dark matter in both natures was obtained and compared so that the energy density of dark matter in general relativity is slightly different from the energy density of dark matter in Lyra’s geometry. …”
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  8. 88
  9. 89

    Stability of evolving cluster of stars and exotic matter by Wasee Shahid, Rubab Manzoor, Saadia Mumtaz, Syed Ali Mardan, Adnan Malik

    Published 2024-12-01
    “…It is found that the density of dark matter overcomes the density of matter for large values of dark matter parameter n.…”
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  10. 90

    Multi-messenger probes of asteroid mass primordial black holes: Superradiance spectroscopy, Hawking radiation, and microlensing by James B. Dent, Bhaskar Dutta, Tao Xu

    Published 2025-02-01
    “…Superradiance provides a unique opportunity for investigating dark sectors as well as primordial black holes, which themselves are candidates for dark matter over a wide mass range. Using axion-like particles as an example, we show that line signals emerging from a superradiated axion cloud combined with black hole Hawking radiation in extragalactic and galactic halos, along with microlensing observations lead to complementary constraints on parameter space combinations including the axion-photon coupling, axion mass, black hole mass, and its dark matter fraction, fPBH. …”
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  11. 91

    Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures by Durmuş Demir

    Published 2019-01-01
    “…The zero coupling, certifying an undetectable NP, agrees with all the collider and dark matter bounds at present. The seesawic bound ΛSM2/ΛNP2, directly verifiable at colliders, implies that (i) dark matter must have a mass ≲ΛSM, (ii) Higgs-curvature coupling must be ≈1.3%, (iii) the SM RGEs must remain nearly as in the SM, and (iv) right-handed neutrinos must have a mass ≲1000  TeV. …”
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  12. 92

    5σ tension between Planck cosmic microwave background and eBOSS Lyman-alpha forest and constraints on physics beyond ΛCDM by Keir K. Rogers, Vivian Poulin

    Published 2025-01-01
    “…We find that combined Planck cosmic microwave background, baryon acoustic oscillations, and supernovae data analyzed under Λ cold dark matter (ΛCDM) are in 4.9σ tension with the extended Baryon Oscillation Spectroscopic Survey (eBOSS) Lyα forest in inference of the linear matter power spectrum at wave number ∼1hMpc^{−1} and redshift = 3. …”
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  13. 93

    Review of the Empirical Evidence for Superluminal Particles and the 3 + 3 Model of the Neutrino Masses by Robert Ehrlich

    Published 2019-01-01
    “…This possibility requires an 8 MeV antineutrino line from SN 1987A, which a new dark matter model has been found to support. Furthermore, this dark matter model is supported by several datasets: γ-rays from the galactic center, and the Kamiokande-II neutrino data on the day of SN 1987A. …”
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  14. 94

    On the Jeans Theorem and the “Tolman–Oppenheimer–Volkoff Equation” in R2 Gravity by Rishabh Jain, Burra G. Sidharth, Christian Corda

    Published 2016-01-01
    “…Those states could represent a partial solution to the Dark Matter Problem. Here, we discuss an improvement of this work. …”
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  15. 95

    Small neutrino masses from a decoupled singlet scalar field by Jongkuk Kim, Seong-Sik Kim, Hyun Min Lee, Rojalin Padhan

    Published 2025-02-01
    “…We discuss the important roles of the Z4 symmetry for neutrino masses, dark matter physics and thermal leptogenesis.…”
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  16. 96

    Dark Atoms and the Positron-Annihilation-Line Excess in the Galactic Bulge by J.-R. Cudell, M. Yu. Khlopov, Q. Wallemacq

    Published 2014-01-01
    “…It was recently proposed that stable particles of charge −2, O--, can exist and constitute dark matter after they bind with primordial helium in O-helium (OHe) atoms. …”
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  17. 97

    Searching for dark torsion signatures at LIGO in Nieh–Yan teleparallel chiral gravitational waves and Chern–Simons invariants by L. C. Garcia de Andrade

    Published 2024-12-01
    “…Abstract Romano has recently found that frequency modulation of gravitational waves (GWs) could be used as a dark matter probe. Many candidates for dark matter (DM) of various sources have been proposed in the literature. …”
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  18. 98

    Clustering of X-Ray-Selected AGN by N. Cappelluti, V. Allevato, A. Finoguenov

    Published 2012-01-01
    “…It then became evident that the distribution of X-ray AGN in the Universe was strongly reflecting that of Dark Matter. In particular, one of the key results is that X-ray AGNs are hosted by dark matter halos of mass similar to that of galaxy groups. …”
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  19. 99

    Dark QCD perspective inspired by strong CP problem at QCD scale by Bin Wang, Shinya Matsuzaki, Hiroyuki Ishida

    Published 2025-01-01
    “…We also briefly address nontrivial cosmological aspects, such as those related to the dark-chiral phase transition, the dark matter production, and an ultraviolet completion related to the ultralight ALP.…”
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  20. 100

    Cosmic Microwave Background as a Thermal Gas of SU(2) Photons: Implications for the High-z Cosmological Model and the Value of H0 by Steffen Hahn, Ralf Hofmann

    Published 2017-01-01
    “…This tension arises when fitting the Lambda-cold-dark-matter model (ΛCDM) to the high-precision temperature-temperature (TT) power spectrum of the Cosmic Microwave Background (CMB) and to local cosmological observations. …”
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