CERN Accelerating science

CERN Document Server Намерени са 12 записа  1 - 10следващ  отиване на запис: Търсенето отне 0.66 секунди. 
1.
Dark matter direct detection from the single phonon to the nuclear recoil regime / Campbell-Deem, Brian (UC, San Diego) ; Knapen, Simon (LBL, Berkeley ; UC, Berkeley ; CERN) ; Lin, Tongyan (UC, San Diego) ; Villarama, Ethan (UC, San Diego)
In most direct detection experiments, the free nuclear recoil description of dark matter scattering breaks down for masses $\lesssim$ 100 MeV, or when the recoil energy is comparable to a few times the typical phonon energy. For dark matter lighter than 1 MeV, scattering via excitation of a single phonon dominates and has been computed previously, but for the intermediate mass range or higher detector thresholds, multiphonon processes dominate. [...]
arXiv:2205.02250.- 2022-08-01 - 28 p. - Published in : Phys. Rev. D 106 (2022) 036019 Fulltext: 2205.02250 - PDF; PhysRevD.106.036019 - PDF;
2.
Direct detection of light dark matter with quantum materials and sensors / Lin, Tongyan (speaker)
2021 - 4929. TH institutes; Perspectives on Quantum Sensing and Computation for Particle Physics External links: Talk details; Event details In : Perspectives on Quantum Sensing and Computation for Particle Physics
3.
PYTHON package for dark matter scattering in dielectric targets / Knapen, Simon (CERN) ; Kozaczuk, Jonathan (UC, San Diego) ; Lin, Tongyan (UC, San Diego)
We present a python package to calculate interaction rates of light dark matter in dielectric materials, including screening effects. The full response of the material is parametrized in the terms of the energy loss function (ELF) of material, which darkELF converts into differential scattering rates for both direct dark matter electron scattering and through the Migdal effect. [...]
arXiv:2104.12786.- 2022-01-01 - 21 p. - Published in : Phys. Rev. D 105 (2022) 015014 Fulltext: 2104.12786 - PDF; PhysRevD.105.015014 - PDF;
4.
Dark matter-electron scattering in dielectrics / Knapen, Simon (CERN) ; Kozaczuk, Jonathan (UC, San Diego) ; Lin, Tongyan (UC, San Diego)
A number of direct detection experiments are searching for electron excitations created by scattering of sub-GeV dark matter. We present an alternate formulation of dark matter-electron scattering in terms of the dielectric response of a material. [...]
arXiv:2101.08275; CERN-TH-2021-013.- 2021-07-01 - 13 p. - Published in : Phys. Rev. D 104 (2021) 015031 Fulltext: PDF; Fulltext from publisher: PDF;
5.
The Migdal effect in semiconductorsMigdal Effect in Semiconductors / Knapen, Simon (CERN) ; Kozaczuk, Jonathan (UC, San Diego) ; Lin, Tongyan (UC, San Diego)
When a nucleus in an atom undergoes a collision, there is a small probability to inelastically excite an electron as a result of the Migdal effect. In this Letter, we present a first complete derivation of the Migdal effect from dark matter-nucleus scattering in semiconductors, which also accounts for multiphonon production [...]
arXiv:2011.09496.- 2021-08-20 - 16 p. - Published in : Phys. Rev. Lett. 127 (2021) 081805
6.
Dark Matter Science in the Era of LSST / Bechtol, Keith (Wisconsin U., Madison) ; Drlica-Wagner, Alex (Chicago U., Astron. Astrophys. Ctr. ; Chicago U., KICP ; Fermilab) ; Abazajian, Kevork N. (UC, Irvine) ; Abidi, Muntazir (Cambridge U., DAMTP) ; Adhikari, Susmita (KIPAC, Menlo Park) ; Ali-Haïmoud, Yacine (New York U.) ; Annis, James (Fermilab) ; Ansarinejad, Behzad (Durham U.) ; Armstrong, Robert (LLNL, Livermore) ; Asorey, Jacobo (Queensland U. ; Unlisted, AU) et al.
Astrophysical observations currently provide the only robust, empirical measurements of dark matter. [...]
arXiv:1903.04425.
- 2019. - 11 p.
Fulltext
7.
LHC limits on axion-like particles from heavy-ion collisions / Knapen, Simon (LBL, Berkeley ; UC, Berkeley) ; Lin, Tongyan (UC, San Diego ; LBL, Berkeley ; UC, Berkeley) ; Lou, Hou Keong (LBL, Berkeley ; UC, Berkeley) ; Melia, Tom (Tokyo U., IPMU ; LBL, Berkeley ; UC, Berkeley)
In these proceedings we use recent LHC heavy-ion data to set a limit on axion-like particles coupling to electromagnetism with mass in the range 10-100 GeV. We recast ATLAS data as per the strategy proposed in 1607.06083, and find results in-line with the projections given there..
arXiv:1709.07110.- 2018-12-20 - 4 p. - Published in : CERN Conf. Proc. 1 (2018) 65 Fulltext: fulltext1624686 - PDF; 557-3760-1-PB - PDF; Preprint: PDF;
In : Proceedings of the PHOTON-2017 Conference, pp.65
8.
Directional Detection of Light Dark Matter with Polar Materials / Griffin, Sinead (UC, Berkeley ; LBL, Berkeley) ; Knapen, Simon (UC, Berkeley ; LBL, Berkeley) ; Lin, Tongyan (UC, Berkeley ; LBL, Berkeley ; UC, San Diego) ; Zurek, Kathryn M. (UC, Berkeley ; LBL, Berkeley ; CERN)
We consider the direct detection of dark matter (DM) with polar materials, where single production of optical or acoustic phonons gives excellent reach to scattering of sub-MeV DM for both scalar and vector mediators. Using Density Functional Theory (DFT), we calculate the material-specific matrix elements, focusing on GaAs and sapphire, and show that DM scattering in an anisotropic crystal such as sapphire features a strong directional dependence. [...]
arXiv:1807.10291.- 2018-12-28 - 27 p. - Published in : Phys. Rev. D 98 (2018) 115034 Article from SCOAP3: PDF; Fulltext: PDF;
9.
US Cosmic Visions: New Ideas in Dark Matter 2017: Community Report / Battaglieri, Marco (INFN, Genoa) ; Belloni, Alberto (Maryland U.) ; Chou, Aaron (Fermilab) ; Cushman, Priscilla (Minnesota U.) ; Echenard, Bertrand (Caltech) ; Essig, Rouven (SUNY, Stony Brook) ; Estrada, Juan (Fermilab) ; Feng, Jonathan L. (UC, Irvine) ; Flaugher, Brenna (Fermilab) ; Fox, Patrick J. (Fermilab) et al.
This white paper summarizes the workshop "U.S. [...]
arXiv:1707.04591 ; FERMILAB-CONF-17-282-AE-PPD-T.
- 2017 - 113.
Fermilab Library Server (fulltext available) - Symmetry Magazine article - Full text - Fulltext
10.
Dark Sectors 2016 Workshop: Community Report / Alexander, Jim (Cornell U., Phys. Dept.) ; Battaglieri, Marco (INFN, Genoa) ; Echenard, Bertrand (Caltech) ; Essig, Rouven (SUNY, Stony Brook) ; Graham, Matthew (SLAC) ; Izaguirre, Eder (Perimeter Inst. Theor. Phys.) ; Jaros, John (SLAC) ; Krnjaic, Gordan (Fermilab) ; Mardon, Jeremy (Stanford U., Phys. Dept.) ; Morrissey, David (TRIUMF) et al.
This report, based on the Dark Sectors workshop at SLAC in April 2016, summarizes the scientific importance of searches for dark sector dark matter and forces at masses beneath the weak-scale, the status of this broad international field, the important milestones motivating future exploration, and promising experimental opportunities to reach these milestones over the next 5-10 years..
arXiv:1608.08632 ; FERMILAB-CONF-16-421.
- 2016. - 66 p.
Fermilab Library Server (fulltext available) - Full text - Fulltext

CERN Document Server : Намерени са 12 записа   1 - 10следващ  отиване на запис:
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