Where is the Detection Limit?

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dc.contributor.authorEliasson, Mattias
dc.contributor.authorFurufors, Anders
dc.contributor.authorGlasell Johansson, Linnea
dc.contributor.authorLundqvist, Thomas
dc.contributor.authorRoderus, Jens
dc.contributor.departmentChalmers tekniska högskola / Institutionen för fysik (Chalmers)sv
dc.contributor.departmentChalmers University of Technology / Department of Physics (Chalmers)en
dc.date.accessioned2019-07-03T14:24:45Z
dc.date.available2019-07-03T14:24:45Z
dc.date.issued2016
dc.description.abstractThis report investigates the detection efficiency of the experimental setup LAND/R3B. This is done through Monte Carlo simulations. The simulation software geant4, via the wrapper program ggland, is used with the reconstruction tool land/r3b-tracker. Beams of different isotopes of carbon, boron and beryllium, produced by reactions of parent isotopes 16C, 17C and 18C, were simulated passing through the setup. The land/r3b-tracker reconstructs the nuclear masses and momentum 4-vectors of the ions from the data acquired by the detectors. The efficiency is determined assuming the nuclear masses follow a normal distribution. Events that fell inside the distribution were considered correctly reconstructed. The detection efficiency is the quotient of the correctly reconstructed events and the total number of simulated events. It was found that this efficiency depends on several variables, where the geometry of the detectors is one. The detector GFI2 (Groer FIberdetektor 2) was found to be the detector that has the lowest acceptance. The addition of transverse momentum to the ions was also found to affect the efficiency.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/246874
dc.language.isoeng
dc.setspec.uppsokPhysicsChemistryMaths
dc.subjectBiologiska vetenskaper
dc.subjectGrundläggande vetenskaper
dc.subjectHållbar utveckling
dc.subjectAnnan teknik
dc.subjectEnergi
dc.subjectInnovation och entreprenörskap (nyttiggörande)
dc.subjectBiological Sciences
dc.subjectBasic Sciences
dc.subjectSustainable Development
dc.subjectOther Engineering and Technologies
dc.subjectEnergy
dc.subjectInnovation & Entrepreneurship
dc.titleWhere is the Detection Limit?
dc.type.degreeExamensarbete för kandidatexamensv
dc.type.degreeBachelor Thesisen
dc.type.uppsokM2
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