Dissertations / Theses on the topic 'Atmospheric muon'
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Bazzotti, Marco <1980>. "Studies of the atmospheric muon flux with the ANTARES detector." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1906/1/bazzotti_marco_tesi.pdf.
Full textBazzotti, Marco <1980>. "Studies of the atmospheric muon flux with the ANTARES detector." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1906/.
Full textPretz, John. "Detection of atmospheric muon neutrinos with the IceCube 9-String Detector." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/4163.
Full textThesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Mauri, Nicoletta <1980>. "Measurement of the atmospheric muon charge ratio with the OPERA detector." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3932/1/Mauri_Nicoletta_Tesi.pdf.
Full textMauri, Nicoletta <1980>. "Measurement of the atmospheric muon charge ratio with the OPERA detector." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3932/.
Full textBailly-Salins, Louis. "Atmοspheric muοn studies and light sterile neutrinο search with ΚΜ3ΝeΤ/ΟRCA." Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC228.
Full textThe KM3NeT collaboration is currently building two Cherenkov neutrino telescopes at the bottom of the Mediterranean sea, ORCA (Oscillation Research with Cosmics in the Abyss) to measure atmospheric neutrino oscillations and ARCA (Astroparticle Research with Cosmics in the Abyss) to detect neutrinos from astrophysical sources. In this manuscript, after reviewing the status of neutrino oscillation measurements and light sterile neutrino searches in the first chapter, the KM3NeT detectors are presented in the second chapter.In chapter 3, a calibration method based on the quality of the reconstructed atmospheric muon tracks is used to cross-validate the position and orientation calibration procedures of KM3NeT detectors, and a new muon-based method is developed to perform the time calibration in a much less CPU intensive way than the previous method. Then, in chapter 4, atmospheric muons are further studied to select those stopping within the instrumented volume of KM3NeT/ORCA. We show that with a very partial configuration (5%) of the ORCA detector, more than 8000 stopping muons can be selected per day with a purity of more than 95% and an excellent agreement between data and simulations.Finally, chapter 5 describes the first oscillation analysis performed with ORCA data to search for a light sterile neutrino. No positive signal is found at a 90% confidence level, and competitive limits are put on the magnitude of the mixing of muon and tau neutrinos with a sterile state
Versari, Federico <1992>. "Measurement of the atmospheric electron and muon neutrino flux with the ANTARES neutrino telescope." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amsdottorato.unibo.it/9664/1/PhD_Thesis____.pdf.
Full textHaberland, Marcus. "A search for a prompt atmospheric muon neutrino flux in the northern hemisphere using data releases from IceCube." Thesis, Uppsala universitet, Högenergifysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-415984.
Full textBiron, von Curland Alexander. "Search for atmospheric muon neutrinos and extraterrestric neutrino point sources in the 1997 AMANDA-B10 data." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=964841223.
Full textGeyer, Klaus [Verfasser], and Gisela [Akademischer Betreuer] Anton. "Measurements of the atmospheric muon rate with the ANTARES neutrino telescope / Klaus Geyer. Gutachter: Gisela Anton." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015. http://d-nb.info/1076165915/34.
Full textCurland, Alexander Biron von. "Search for atmospheric muon-neutrinos and extraterrestric neutrino point sources in the 1997 AMANDA-B10 data." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2002. http://dx.doi.org/10.18452/14743.
Full textAbstract The young field of high energy neutrino astronomy can be motivated by the search for the origin of the charged cosmic rays. Large astrophysical objects like AGNs or supernova remnants are candidates to accelerate hadrons which then can interact to eventually produce high energy neutrinos. Neutrino-induced muons can be detected via their emission of Cherenkov light in large neutrino telescopes like AMANDA. More than 10^9 atmospheric muon events and approximately 5000 atmospheric neutrino events were registered by AMANDA-B10 in 1997. Out of these, 223 atmospheric neutrino candidate events have been extracted. This data set contains approximately 15 background events. It allows to confirm the expected sensitivity of the detector towards neutrino events. A second set containing 369 events (approximately 270 atmospheric neutrino events and 100 atmospheric muon events) was used to search for extraterrestrial neutrino point sources. Neither a binned search, nor a cluster search, nor a search for preselected sources gave indications for the existence of a strong neutrino point source. Based on this result, flux limits were derived. Assuming E^-2 neutrino spectra, typical flux limits for selected sources of the order of 10^-14 cm^-2 s^-1 for muon fluxes and 10^-7 cm^-2 s^-1 for neutrino fluxes have been obtained.
Garza, Juan Pablo Yáñez. "Measurement of neutrino oscillations in atmospheric neutrinos with the IceCube DeepCore detector." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2014. http://dx.doi.org/10.18452/17016.
Full textThe study of neutrino oscillations is an active field of research. During the last couple of decades many experiments have measured the effects of oscillations, pushing the field from the discovery stage towards an era of precision and deeper understanding of the phenomenon. The IceCube Neutrino Observatory, with its low energy subarray, DeepCore, has the possibility of contributing to this field. IceCube is a 1 km^3 ice Cherenkov neutrino telescope buried deep in the Antarctic glacier. DeepCore, a region of denser instrumentation in the lower center of IceCube, permits the detection of neutrinos with energies as low as 10 GeV. Every year, thousands of atmospheric neutrinos around these energies leave a strong signature in DeepCore. Due to their energy and the distance they travel before being detected, these neutrinos can be used to measure the phenomenon of oscillations. This work starts with a study of the potential of IceCube DeepCore to measure neutrino oscillations in different channels, from which the disappearance of muon neutrinos is chosen to move forward. It continues by describing a novel method for identifying Cherenkov photons that traveled without being scattered until detected direct photons. These photons are used to reconstruct the incoming zenith angle of muon neutrinos. The total energy of the interacting neutrino is also estimated. In data taken in 343 days during 2011-2012, 1487 neutrino candidates with an energy between 7 GeV and 100 GeV are found inside the DeepCore volume. Compared to the expectation from the atmospheric neutrino flux without oscillations, this corresponds to a deficit of about 500 muon neutrino events. The oscillation parameters that describe the data best are in agreement with the results reported by other experiments. The method and tools presented allow DeepCore to reach comparable precision with the current best results of on-going experiments once five years of data are collected.
Jeschke, Dominik [Verfasser], Lothar [Akademischer Betreuer] Oberauer, Robert [Gutachter] Svoboda, Lothar [Gutachter] Oberauer, and Elisa [Gutachter] Resconi. "Modulations of the Cosmic Muon Flux & Identification of Atmospheric Neutrino Interactions in Borexino / Dominik Jeschke ; Gutachter: Robert Svoboda, Lothar Oberauer, Elisa Resconi ; Betreuer: Lothar Oberauer." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1168798582/34.
Full textJeschke, Dominik Verfasser], Lothar [Akademischer Betreuer] [Oberauer, Robert [Gutachter] Svoboda, Lothar [Gutachter] Oberauer, and Elisa [Gutachter] Resconi. "Modulations of the Cosmic Muon Flux & Identification of Atmospheric Neutrino Interactions in Borexino / Dominik Jeschke ; Gutachter: Robert Svoboda, Lothar Oberauer, Elisa Resconi ; Betreuer: Lothar Oberauer." München : Universitätsbibliothek der TU München, 2018. http://nbn-resolving.de/urn:nbn:de:bvb:91-diss-20180920-1440369-1-2.
Full textRuhe, Tim [Verfasser], Wolfgang [Akademischer Betreuer] Rhode, and Claus [Gutachter] Gößling. "Data mining on the rocks : A measurement of the atmospheric muon neutrino flux using IceCube in the 59-string configuration and a novel data mining based approach to unfolding / Tim Ruhe. Betreuer: Wolfgang Rhode. Gutachter: Claus Gößling." Dortmund : Universitätsbibliothek Dortmund, 2013. http://d-nb.info/1106257421/34.
Full textVernet, Kinson. "Imagerie densitométrique 3D des volcans par muographie." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2022. http://www.theses.fr/2022UCFAC112.
Full textMuography is an imaging technique in particle physics where atmospheric muons passing through a target are used to determine information about the interior of the target : density distribution or chemical composition via the atomic number. Depending on the energy of the muons and the amount of matter they have to cross, some of them will survive and others will be stopped by the target. And, the diffusion of the muons depends, to a first approximation, on their momentum and the average atomic number along their flight path. Muography proposes, from the measurement of the transmission and/or diffusion of muons through a target, to provide information about its interior.There are currently two types of muography : transmission muography, where the transmitted flux of muons through the target is measured to infer the density distribution of that target, and diffusion muography, where the diffusion of muons through the target is used to determine the distribution of the atomic number of the target. This thesis discusses transmission muography in order to radiography volcanoes.In the case of transmission muography, a muon telescope is used to measure the transmitted flux of atmospheric muons through the target. This flux is, to a first approximation, a bijective function of the amount of matter encountered by the muons. The idea is to invert the measured number of muons into a density estimation of the target.There are other imaging methods in geophysics that can be used to reconstruct the density of a target. This is the case, for example, of gravimetry and seismic imaging. These so-called conventional methods have weaknesses. For these methods, the inversion problem is either ill-posed, i.e. there is no unique solution, or the solution presents large variations for small variations of the parameters on which it depends. A set of additional constraints are then added to remove the non-uniqueness.In muography however, the inversion problem is well posed and the solution is unique. Conventional geophysical methods alone cannot determine the density of a target. Combined with muography, they have great potential, either by providing other information on the rock and/or on the nature of the water, or by improving the accuracy of the target density reconstruction.Several experiments use the CSDA (Continuous Slowing Down Approximation) approximation to estimate the survival probability of muons through a target. Using this approximation, thus neglecting the stochastic character of the interaction of muons with matter, underestimates the muon survival probability and therefore induces systematic effects on the density reconstruction. In standard rock kilometers the effect is 3% - 8% depending on the modeling of the interaction of high energy muons with matter. In addition, a bad estimation of the background of the low momentum muons affecting the measurement of the signal results in an underestimation of the density of the target with respect to the gravimetry. This probably comes from the use of the analytical approximation to simulate the propagation of the muons through the target and the difficulty of rejecting in the measurement those with low momentum. For these reasons, in the Muon IMaging (MIM) experiment (where this thesis was conducted), we use a Monte Carlo treatment to simulate the muon transport through the target. In this case, we can accurately estimate the effet of these low momentum muons on the density reconstruction. One of the techniques used in our experiment, to make the low momentum muons scatter so that they can be statistically rejected, is to insert a thickness of lead between the telescope detection planes. (...)
Idrissi, Ibnsalih Walid. "Selection of showering events and background suppression in ANTARES: comparison between the effects using two different Monte Carlo version." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/18132/.
Full textBéné, Samuel. "Imagerie tomograpbique d'un volcan à l'aide des muons atmosphériques." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22786/document.
Full textAtmospheric muons are elementary particles originating from the interaction of high energy cosmic rays with atoms in the upper atmosphere. Their ability to travel through a large amount of matter and their abundance at ground level allows for their flux to be used as a probe for the radiography of big objects. This technique, muography, can in particular be of interest for the study of volcanoes. The Tomuvol collaboration, within which this thesis took place, aims at developing a detector and analysis techniques allowing to perform such a measurment, using a volcano from Auvergne as a case study : the Puy de Dôme. This document describes the author’s contributions to this work, focusing on the intrumentation aspect first, with the calibration and optimisation of the GRPC chambers used to perform the measurment. The performances of the detector during the various campaigns of data acquisition at the base of the Puy de Dôme are also sumed up. A second part is dedicated to the physical analysis of the data with, firstly, the description of the Monte-Carlo simulations that were developed using the GEANT4 software. Then, a kernel-like estimation method of the transmitted flux of atmospheric muons is described, and the density map of the Puy de Dôme thus obtained is compared to results coming from geophysical techniques
Bos, Fabian [Verfasser], Julia [Gutachter] Tjus, and Wolfgang [Gutachter] Rhode. "Studying moon and sun shadows by using atmospheric muons detected with IceCube / Fabian Bos ; Gutachter: Julia Tjus, Wolfgang Rhode." Bochum : Ruhr-Universität Bochum, 2017. http://d-nb.info/112945181X/34.
Full textBiron, von Curland Alexander [Verfasser]. "Search for atmospheric muon neutrinos and extraterrestric neutrino point sources in the 1997 AMANDA-B10 data / von Alexander Prinz Biron von Curland." 2002. http://d-nb.info/964841223/34.
Full textGanugapati, Raghunath. "Measurements of atmospheric muons using AMANDA with emphasis on the prompt component." 2008. http://www.library.wisc.edu/databases/connect/dissertations.html.
Full textHsiang, Hua-Chun, and 向化君. "To study the possibility of using a particle detector array to detect atmospheric muons from near horizon." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/jpr6d9.
Full text國立中央大學
太空科學研究所
94
The goal of this project is to build a particle detector array and to study the possibility of using this array to detect atmospheric muons from near horizon. First, we assembled the detectors, and then measured some basic specifications of those 4 detectors. We then design and construct a detector array. By using this detector array, we measured horizontal muons for 80 hours. Data collected during this experiment were then analyzed. Two types of events are presented, one is near horizontal direction (86.2�a < �� < 93.8�a, �� is zenith angle) ; the other types is slanted events (downward events 77.3�a < �� < 84.8�a or upward events 95.2�a < �� < 102.7�a). Events were detected in both cases, which prove this type of detector array can detect horizontal muons. These horizontal events are quite abundant, although much fewer then those events from the vertical direction. In conclusion, we have confirmed the possibility of using such particle detector array to detect horizontal muon events. There are many unknowns exist, which require some further researches.
Ebr, Jan. "Fenomenologicé modely inspirované QCD a jejich využití v analýze kosmického záření při ultravysokých energiích." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-367703.
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