Academic literature on the topic 'Dark accelerators'

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Journal articles on the topic "Dark accelerators"

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Merkel, Harald. "Search for Dark Photons with Accelerators." EPJ Web of Conferences 81 (2014): 01020. http://dx.doi.org/10.1051/epjconf/20148101020.

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Gatti, Claudio, Paola Gianotti, Carlo Ligi, Mauro Raggi, and Paolo Valente. "Dark Matter Searches at LNF." Universe 7, no. 7 (2021): 236. http://dx.doi.org/10.3390/universe7070236.

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In recent years, the absence of experimental evidence for searches dedicated to dark matter has triggered the development of new ideas on the nature of this entity, which manifests at the cosmological level. Some of these can be explored by small experiments with a short timescale and an investment that can be afforded by national laboratories, such as the Frascati one. This is the main reason why a laboratory that, traditionally, was focused in particle physics studies with accelerators has begun intense activity in this field of research.
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Hui, C. Y., P. K. H. Yeung, C. W. Ng, et al. "Observing two dark accelerators around the Galactic Centre withFermiLarge Area Telescope." Monthly Notices of the Royal Astronomical Society 457, no. 4 (2016): 4262–71. http://dx.doi.org/10.1093/mnras/stw209.

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BRHLIK, MICHAL, DANIEL J. H. CHUNG, and GORDON L. KANE. "WEIGHING THE UNIVERSE WITH ACCELERATORS AND DETECTORS." International Journal of Modern Physics D 10, no. 03 (2001): 367–79. http://dx.doi.org/10.1142/s0218271801000998.

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Suppose the lightest superpartner (LSP) is observed at colliders, and WIMPs are detected in explicit experiments. We point out that one cannot immediately conclude that cold dark matter (CDM) of the universe has been observed, and we determine what measurements are necessary before such a conclusion is meaningful. We discuss the analogous situation for neutrinos and axions; in the axion case we have not found a way to conclude axions are the CDM even if axions are detected.
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Scifo, Jessica, Augusto Marcelli, Bruno Spataro, et al. "Molybdenum Oxides Coatings for High Demanding Accelerator Components." Instruments 3, no. 4 (2019): 61. http://dx.doi.org/10.3390/instruments3040061.

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Large electric gradients are required for a variety of new applications, notably including the extreme high brightness electron sources for X-ray free electron lasers (FELs), radio-frequency (RF) photo-injectors, industrial and medical accelerators, and linear accelerators for particle physics colliders. In the framework of the INFN-LNF, SLAC (USA), KEK (Japan), UCLA (Los Angeles) collaboration, the Frascati National Laboratories (LNF) are involved in the modelling, development, and testing of RF structures devoted to particles acceleration by high gradient electric fields of particles through
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Louis, W. C. "Evidence and Search for Sterile Neutrinos at Accelerators." Advances in High Energy Physics 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/439532.

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The LSND short-baseline neutrino experiment has published evidence for antineutrino oscillations at a mass scale of ~1 eV2. The MiniBooNE experiment, designed to test this evidence for oscillations at an order of magnitude higher neutrino energy and distance, observes excesses of events in both neutrino mode and antineutrino mode. While the MiniBooNE neutrino excess has a neutrino energy spectrum that is softer than expected from LSND, the MiniBooNE antineutrino excess is consistent with neutrino oscillations and with the LSND oscillation signal. When combined with oscillation measurements at
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ELLIS, JOHN. "DECLINE AND FALL OF THE STANDARD MODEL?" International Journal of Modern Physics A 17, no. 23 (2002): 3284–99. http://dx.doi.org/10.1142/s0217751x02012739.

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Motivations for physics beyond the Standard Model are reviewed, with particular emphasis on supersymmetry at the TeV scale. Constraints on the minimal supersymmetric extension of the Standard Model with universal soft supersymmetry-breaking terms (CMSSM) are discussed. These are also combined with the supersymmetric interpretation of the anomalous magnetic moment of the muon. The prospects for observing supersymmetry at accelerators are reviewed using benchmark scenarios to focus the discussion. Prospects for other experiments including the detection of cold dark matter, μ → e γ and related pr
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NATH, PRAN, and R. ARNOWITT. "ACCURATE COSMOLOGICAL PARAMETERS AND SUPERSYMMETRIC PARTICLE PROPERTIES." Modern Physics Letters A 13, no. 27 (1998): 2239–45. http://dx.doi.org/10.1142/s0217732398002394.

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Future satellite, balloon and ground based experiments will give precision determinations of the basic cosmological parameters and hence determine the amount of cold dark matter in the universe accurately. We consider here two cosmological models, the νCDM model and the ΛCDM model, and examine within the framework of supergravity grand unification the effect this will have for these models on supersymmetry searches at accelerators. In the former example, the gluino (neutralino) mass has an upper bound of about 720(100) GeV and gaps (forbidden regions) may develop at lower energies. In the latt
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Ellis, John. "Where is particle physics going?" International Journal of Modern Physics A 32, no. 34 (2017): 1746001. http://dx.doi.org/10.1142/s0217751x17460010.

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The answer to the question in the title is: in search of new physics beyond the Standard Model, for which there are many motivations, including the likely instability of the electroweak vacuum, dark matter, the origin of matter, the masses of neutrinos, the naturalness of the hierarchy of mass scales, cosmological inflation and the search for quantum gravity. So far, however, there are no clear indications about the theoretical solutions to these problems, nor the experimental strategies to resolve them. It makes sense now to prepare various projects for possible future accelerators, so as to
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COCCIA, E. "UNDERGROUND LABORATORIES AND THEIR PHYSICS REACH." International Journal of Modern Physics A 27, no. 08 (2012): 1230008. http://dx.doi.org/10.1142/s0217751x12300086.

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Underground laboratories, shielded by the Earth's crust from the particles that rain down on the surface in the form of cosmic rays, provide the low radioactive background environment necessary to host key experiments in the field of particle and astroparticle physics, nuclear astrophysics and other disciplines that can profit of their characteristics and of their infrastructures. The cosmic silence condition existing in these laboratories allows the search for extremely rare phenomena and the exploration of the highest energy scales that cannot be reached with accelerators. Major fundamental
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Dissertations / Theses on the topic "Dark accelerators"

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Yakovleva, Elizaveta. "Dark Photon decay generated by muons in the SHiP experiment." Thesis, Uppsala universitet, Institutionen för materialvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-414520.

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This project has investigated the muon background of the SHiP experiment to determine whether it can boost the experiment sensitivity to visible Dark Photon decay. Using Fermi-Weizsäcker-Williams approximation to muon scattering we found the probability of muons generating massive photons, using Bremsstrahlung and direct lepton pair production as an estimation of the frequency of muon EM-interactions. In this work we only considered muons with momenta above 10 GeV/c. The number of visible Dark Photon decays was calculated for a range of the coupling constant and photon mass. The resulting rang
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Arnone, Antonio. "Feasibility of accelerator generation to alleviate dark silicon in a novel architecture." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/18741/.

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This thesis presents a novel approach to alleviating Dark Silicon problem by reducing power density. Decreasing the size of transistor has generated an increasing on power consumption. To attempt to manage the power issue, processor design has shifted from one single core to many cores. Switching on fewer cores while the others are off helps the chip to cool down and spread power more evenly over the chip. This means that some transistors are always idle while others are working. Therefore, scaling down the size of the chip, and increasing the amount of power to be dissipated, increases the nu
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Lundström, Erik. "Phenomenology of Inert Scalar and Supersymmetric Dark Matter." Doctoral thesis, Stockholms universitet, Fysikum, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-39278.

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While the dark matter has so far only revealed itself through the gravitational influence it exerts on its surroundings, there are good reasons to believe it is made up by WIMPs – a hypothetical class of heavy elementary particles not encompassed by the Standard Model of particle physics. The Inert Doublet Model constitutes a simple extension of the Standard Model Higgs sector. The model provides a new set of scalar particles, denoted inert scalars because of their lack of direct coupling to matter, of which the lightest is a WIMP dark matter candidate. Another popular Standard Model extension
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Angüner, Ekrem Oǧuzhan. "VHE and multi-wavelength data analysis of HESS J1741−302." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17508.

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HESS J1741−302 ist eine nicht identifizierte Quelle sehr hochenergetischer Gammastrahlen, welche circa 1,7 Grad vom Zentrum der Milchstraße entfernt liegt. Diese Quelle ist eines der schwächsten Objekte im TeV-Bereich mit einem Photonfluss von Φ(>1 TeV) = (1.65 ± 0.28stat ± 0.33sys) × 10^−13 cm^−2 s^−1, was ~1% des Krebsnebelflusses im gleichen Energiebereich entspricht. Die Analyse des aktuellen H.E.S.S. Datensatzes von 145 Stunden Beobachtungen mit hoher Qualität gibt Einblicke in die Morphologie von HESS J1741−302. Das Energiespektrum von HESS J1741−302 geht über 10 TeV hinaus, ohne dabei
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Persson, Daniel. "Application of GEANT4 toolkit for simulations of high gradient phenomena." Thesis, Uppsala universitet, FREIA, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353347.

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To study electron emissions and dark currents in the accelerating structures in particle colliders, a test facility with a spectrometer has been constructed at CERN. This spectrometer has been simulated in the C++ toolkit GEANT4 and in this project the simulation has been improved to handle new realistic input data of the emitted electrons. The goal was to find relations between where the electrons are emitted inside the accelerating structure and the energy or position of the particles measured by the spectrometer. The result was that there is a linear relation between the initial position of
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Aramaki, Tsuguo. "An Accelerator Measurement of Atomic X-ray Yields in Exotic Atoms and Implications for an Antideuteron-Based Dark Matter Search." Thesis, 2012. https://doi.org/10.7916/D8JQ172D.

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The General AntiParticle Spectrometer (GAPS) is a novel approach for indirect dark matter searches that exploits cosmic antideuterons. The low energy antideuteron provides a clean dark matter signature, since the antideuteron production by cosmic ray interactions is suppressed at low energy, while the WIMP-WIMP annihilation can produce low energy an- tideuterons. GAPS utilizes a distinctive detection method using atomic X-rays and charged particles from the exotic atom as well as the timing, stopping range and dE/dX energy deposit of the incoming particle, which provides excellent antideuteron
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Lafrenière, Matthieu. "Mesures d'étalonnage aux neutrons et caractérisation par étude Monte Carlo de la réponse des détecteurs à gouttelettes surchauffées conçus pour la recherche et la détection directe du neutralino (la matière sombre) menant aux résultats finaux de l'expérience PICASSO." Thèse, 2016. http://hdl.handle.net/1866/20603.

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Book chapters on the topic "Dark accelerators"

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Mazure, Alain, and Vincent Le Brun. "From telescopes to accelerators." In Matter, Dark Matter, and Anti-Matter. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-8822-5_9.

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Echenard, Bertrand. "Light Dark Matter Searches at Accelerators and the LDMX Experiment." In Astrophysics and Space Science Proceedings. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31593-1_6.

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Hagopian, Vasken, and Howard Baer. "Searching for Dark Matter with the Future LHC Accelerator at CERN Using the CMS Detector." In Neutrino Mass, Dark Matter, Gravitational Waves, Monopole Condensation, and Light Cone Quantization. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-1564-1_5.

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Kolanoski, Hermann, and Norbert Wermes. "Detectors for cosmic particles, neutrinos and exotic matter." In Particle Detectors. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198858362.003.0016.

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Astroparticle physics deals with the investigation of cosmic radiation using similar detection methods as in particle physics, however, mostly with quite different detector arrangements. In this chapter the detection principles for the different radiation types with cosmic origin are presented, this includes charged particles, gamma radiation, neutrinos and possibly existing Dark Matter. In the case of neutrinos also experiments at accelerators and reactors are included. Examples, which are typical for the different areas, are given for detectors and their properties. For cosmic ray detection apparatuses are deployed above the atmosphere with balloons or satellites or on the ground using the atmosphere as calorimeter in which high-energy cosmic rays develop showers or in underground areas including in water and ice.
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"The Search for Dark Matter in the Universe." In Non-Accelerator Particle Physics. Taylor & Francis, 1998. http://dx.doi.org/10.1201/9781420050554.ch9.

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Milgrom, Mordehai. "A DEPARTURE FROM NEWTONIAN DYNAMICS AT LOW ACCELERATIONS AS AN EXPLANATION OF THE MASS-DISCREPANCY IN GALACTIC SYSTEMS." In Dark Matter in the Universe. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812567185_0011.

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Gross, Alan G. "Lisa Randall: The Technological Sublime." In The Scientific Sublime. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190637774.003.0008.

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In 2008 a rap video by Kate McAlpine went viral (nearly eight million views at present). Not your typical rap video, it takes place in the tunnel of the Large Hadron Collider and on the grounds 100 feet above. During the performance, the computer-generated voice of Stephen Hawking chimes in as part of a periodic call and response. Throughout, the lyrics are replete with technical terms like “protons,” “lead ions,” “antimatter,” “black holes,” “dark matter,” “Higgs boson,” “Standard Model,” “graviton,” “top quark,” and acronyms like “ALICE,” “ATLAS,” and “CMS.” Here is the central refrain: . . . The LHC accelerates the protons and the lead And the things that it discovers will rock you in the head. The Higgs boson, that’s the one that everybody talks about And it’s the one sure thing that this machine will sort out. . . . McAlpine’s was a prophesy that proved right on target. In 2016, François Englert and Peter Higgs won the Nobel Prize in physics for a conjecture they had made over a half century earlier, a mathematically driven leap of faith that became a scientific fact when the Higgs boson was detected—a hitherto mysterious but absolutely central member of the particle zoo. It was a discovery that confirmed the otherwise highly confirmed Standard Model, the explanatory centerpiece of the quantum world. At five billion dollars, the detector of the Higgs, the Large Hadron Collider, is the most expensive scientific apparatus ever built. It is a Mount Everest of machines, the apotheosis of the technological sublime. This form of sublimity is near the center of Lisa Randall’s professional life, the only means by which her deepest conjectures about the universe can be demonstrated. Hers is a flight into the scientific stratosphere tethered to events that she hopes will be observed by two incarnations of the technological sublime: the Large Hadron Collider or the GAIA satellite. When the UK funding for the Large Hadron Collider was still in question, Science Minister William Waldegrave challenged British physicists, telling them “that if anyone could explain what all the fuss was about, in plain English, on one sheet of paper, then he would reward that person with a bottle of vintage champagne.”
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Conference papers on the topic "Dark accelerators"

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Auriemma, Giulio. "Search for Dark Matters at Accelerators." In Frontier Research in Astrophysics – II. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.269.0002.

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Senami, Masato. "Dark Matter Direct Detection in Electron Accelerators." In PARTICLES, STRINGS, AND COSMOLOGY: 11th International Symposium on Particles, Strings, and Cosmology; PASCOS 2005. AIP, 2005. http://dx.doi.org/10.1063/1.2149746.

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Matsumoto, H. "X-Ray Observations of Dark Particle Accelerators." In Proceedings of the KMI Inauguration Conference. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814412322_0002.

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Schroeder, C. B. "Trapping and Dark Current in Plasma-Based Accelerators." In ADVANCED ACCELERATOR CONCEPTS: Eleventh Advanced Accelerator Concepts Workshop. AIP, 2004. http://dx.doi.org/10.1063/1.1842592.

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Kolb, Edward W., Hideo Kodama, and Kunihito Ioka. "Dark Energy." In KEK COSMOPHYSICS GROUP INAUGURAL CONFERENCE “ACCELERATORS IN THE UNIVERSE”: Interplay between High Energy Physics and Cosmophysics. AIP, 2008. http://dx.doi.org/10.1063/1.2981551.

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Heeck, Julian. "Neutrino Lines from Majoron Dark Matter." In The 19th International Workshop on Neutrinos from Accelerators NUFACT2017. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.295.0138.

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Fornengo, Nicolao. "Particle Dark Matter: Searching for new Physics without Accelerators." In IFAE 2005: XVII Incontri de Fisica delle Alte Energie; 17th Italian Meeting on High Energy Physics. AIP, 2005. http://dx.doi.org/10.1063/1.2125629.

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Ritz, Adam. "Probing light dark sectors with coherent neutrino-nucleus scattering." In The 19th International Workshop on Neutrinos from Accelerators NUFACT2017. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.295.0144.

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Cong, Jason, and Bingjun Xiao. "Optimization of interconnects between accelerators and shared memories in dark silicon." In 2013 IEEE/ACM International Conference on Computer-Aided Design (ICCAD). IEEE, 2013. http://dx.doi.org/10.1109/iccad.2013.6691182.

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Tsujikawa, Shinji, Hideo Kodama, and Kunihito Ioka. "Dark energy and modified gravity." In KEK COSMOPHYSICS GROUP INAUGURAL CONFERENCE “ACCELERATORS IN THE UNIVERSE”: Interplay between High Energy Physics and Cosmophysics. AIP, 2008. http://dx.doi.org/10.1063/1.2981544.

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Reports on the topic "Dark accelerators"

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Ritz, Steve, and Tesla Jeltema. Final Report for "Non-Accelerator Physics – Research in High Energy Physics: Dark Energy Research on DES". Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1333939.

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