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	Author	IceCube Collaboration (Abbasi, R. et al); Garcia, A.
	Title	Methods and stability tests associated with the sterile neutrino search using improved high-energy νμ event reconstruction in IceCube			Type	Journal Article
	Year	2024	Publication	Physical Review D	Abbreviated Journal	Phys. Rev. D
	Volume	110	Issue	9	Pages	092009 - 19pp
	Keywords
	Abstract	We provide supporting details for the search for a 3 +1 sterile neutrino using data collected over 10.7 years at the IceCube Neutrino Observatory. The analysis uses atmospheric muon-flavored neutrinos from 0.5 to 100 TeV that traverse Earth to reach the IceCube detector and finds a best-fit point at sin(2)(2 theta(24)) = 0.16 and Delta m(41)(2) = 3.5 eV(2) with a goodness-of-fit p value of 12% and consistency with the null hypothesis of no oscillations to sterile neutrinos with a p value of 3.1%. Several improvements were made over past analyses, which are reviewed in this article, including upgrades to the reconstruction and the study of sources of systematic uncertainty. We provide details of the fit quality and discuss stability tests that split the data for separate samples, comparing results. We find that the fits are consistent between split datasets.
	Address	[Ausborm, L.; Benning, C.; Boettcher, J.; Brusa, L.; Deng, S.; Dierichs, P.; El Mentawi, S.; Fuerst, P.; Ganster, E.; Gries, O.; Guenther, C.; Halve, L.; Handt, M.; Haeussler, J.; Hermannsgabner, J.; Heuermann, L.; Latseva, S.; Noell, A.; Philippen, S.; Rifaie, A.; Savelberg, J.; Schaufel, M.; Soldin, P.; Thiesmeyer, M.; Wiebusch, C. H.; Wolf, A.] Rhein Westfal TH Aachen, Phys Inst 3, D-52056 Aachen, Germany
	Corporate Author				Thesis
	Publisher	Amer Physical Soc	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	2470-0010	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:001381776600001			Approved	no
	Is ISI	yes	International Collaboration	yes
	Call Number	IFIC @ pastor @			Serial	6442
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