Window in the dark matter exclusion limits

Zaharijaš, Gabrijela; Farrar, Glennys R.

doi:10.1103/physrevd.72.083502

Cited by 76 publications

(110 citation statements)

References 33 publications

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“…(32) reduces to Eq. (27). In addition to the previous ratios, it is important to estimate how big is the asymmetry compared to the total recoil rate, i.e.…”

Section: Recoil Energy Spectrummentioning

confidence: 99%

“…Additionally for detectors placed on shallow sites, this technique might be one of the few options available to probe light DM parameter space with long range forces that is currently inaccessible to detectors. Diurnal modulation has been investigated in the past in the context of Strongly Interacting Massive Particles [27,28] and mirror DM [29,30], as well as experimentally in the DAMA Collaboration [31,32].…”

Section: Introductionmentioning

confidence: 99%

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Earth’s stopping effect in directional dark matter detectors

Kouvaris

2016

Phys. Rev. D

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We explore the stopping effect that results from interactions between dark matter and nuclei as the dark matter particles travel undergound towards the detector. Although this effect is negligible for heavy dark matter particles, there is parameter phase space where the underground interactions of the dark matter particles with the nuclei can create observable differences in the spectrum. Dark matter particles that arrive on the detector from below can have less energy from the ones arriving from above. These differences can be potentially detectable by upcoming directional detectors. This can unveil a large amount of information regarding the type and strength of interactions between nuclei and light dark matter candidates.

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“…(32) reduces to Eq. (27). In addition to the previous ratios, it is important to estimate how big is the asymmetry compared to the total recoil rate, i.e.…”

Section: Recoil Energy Spectrummentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Earth’s stopping effect in directional dark matter detectors

Kouvaris

2016

Phys. Rev. D

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“…It should be noted that the nuclear cross section of the O-helium interaction with matter escapes the severe constraints [225][226][227] on strongly-interacting dark matter particles (SIMPs) [219][220][221][222][223][224][225][226][227] imposed by the XQC experiment [236,237]. Therefore, a special strategy of direct O-helium search is needed, as proposed in [238].…”

Section: O-helium Solution For Dark Matter Puzzlesmentioning

confidence: 99%

“…Therefore, O-helium interaction with matter is determined by nuclear interaction of He. These neutral primordial nuclear interacting species can play the role of a nontrivial form of strongly interacting dark matter [219][220][221][222][223][224][225][226][227], giving rise to a Warmer than Cold dark matter scenario [207,208,215].…”

Section: Dark Atoms With Helium Shellmentioning

confidence: 99%

Cosmological Reflection of Particle Symmetry

Khlopov

2016

Symmetry

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The standard model involves particle symmetry and the mechanism of its breaking. Modern cosmology is based on inflationary models with baryosynthesis and dark matter/energy, which involves physics beyond the standard model. Studies of the physical basis of modern cosmology combine direct searches for new physics at accelerators with its indirect non-accelerator probes, in which cosmological consequences of particle models play an important role. The cosmological reflection of particle symmetry and the mechanisms of its breaking are the subject of the present review.

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“…Therefore O-helium interaction with matter is determined by the nuclear interaction of He. These neutral primordial nuclear interacting species can play the role of a non-trivial form of strongly interacting dark matter [41,42,43,44,45,46,47,48,49], giving rise to a Warmer-than-Cold dark matter scenario [10,29,37].…”

Section: Dark Atoms With a Helium Shellmentioning

confidence: 99%

Dark atoms with nuclear shell: A status review

Cudell

Khlopov

2015

Int. J. Mod. Phys. D

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Among dark atom scenarios, the simplest and most predictive one is that of O-helium (OHe) dark atoms, in which a lepton-like doubly charged particle O −− is bound to a primordial helium nucleus, and is the main constituent of dark matter. The OHe cosmology has several successes: it leads to a Warmer-than-Cold-dark-matter scenario for Large-Scale-Structure formation, it can provide an explanation for the excess in positron annihilation line in the galactic bulge and it may explain the results of direct dark-matter searches. This model liberates the physics of dark atoms from many unknown features of new physics, but it is still not free from astrophysical uncertainties. It also demands a deeper understanding of the details of known nuclear and atomic physics, which are still somewhat unclear in the case of nuclear interacting "atomic" shells. These potential problems of the O-helium scenario are also discussed.

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Window in the dark matter exclusion limits

Cited by 76 publications

References 33 publications

Earth’s stopping effect in directional dark matter detectors

Earth’s stopping effect in directional dark matter detectors

Cosmological Reflection of Particle Symmetry

Dark atoms with nuclear shell: A status review

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