NDLI: Statistical data analysis in the DANSS experiment

Please wait, while we are loading the content...

Statistical data analysis in the DANSS experiment

Content Provider	Scilit
Author	Skrobova, Nataliya
Copyright Year	2019
Description	Journal: Journal of Physics: Conference Series DANSS is a one cubic meter highly segmented solid scintillator detector. It is placed under a 3.1 GW industrial reactor at the Kalinin NPP (Russia) on a movable platform. The distance from the reactor core center is varied from 10.7 m to 12.7 m on-line. The inverse beta decay (IBD) process is used to detect antineutrinos. DANSS detects about 5000 IBD events per day.Sterile neutrinos are searched for assuming a 4 neutrino model (3 active and 1 sterile neutrino). The exclusion area in the sterile neutrino parameter plane is obtained using a ratio of positron energy spectra collected at different distances. Therefore, results do not depend on the shape and normalization of the reactor $v˜e spectrum, as well as on the detector efficiency. The excluded area covers a wide range of the sterile neutrino parameters up to $sin^{2}$ 2θ$ _{14}$ < 0.01 in the most sensitive region. The Reactor Antineutrino Anomaly optimum point is excluded with a confidence level higher than 5σ. A Gaussian $CL_{ s }$ method was used to obtain exclusion areas. $CL_{ s }$ method includes a point from $sin^{2}$ 2θ, Δm$ ^{2}$ plane into exclusion area only if the experiment sensitivity to such point is good. Details of this approach are presented.$
Related Links	https://iopscience.iop.org/article/10.1088/1742-6596/1390/1/012056/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/1390/1/012056
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	1390
Language	English
Publisher	IOP Publishing
Publisher Date	2019-11-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Nuclear Physics Particles and Fields Physics Danss Experiment Sterile Neutrino
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

Central Library (ISO-9001:2015 Certified)
Indian Institute of Technology Kharagpur
Kharagpur, West Bengal, India | PIN - 721302

See location in the Map
03222 282435
Mail: support@ndl.gov.in

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in