Search for muon-neutrino to electron-neutrino transitions in MINOS
Journal Article
·
· Submitted to Phys.Rev.Lett.
This letter reports on a search for {nu}{sub {mu}} {yields} {nu}{sub e} transitions by the MINOS experiment based on a 3.14 x 10{sup 20} protons-on-target exposure in the Fermilab NuMI beam. We observe 35 events in the Far Detector with a background of 27 {+-} 5(stat.) {+-} 2(syst.) events predicted by the measurements in the Near Detector. If interpreted in terms of {nu}{sub {mu}} {yields} {nu}{sub e} oscillations, this 1.5 {sigma} excess of events is consistent with sin{sup 2}(2{theta}{sub 13}) comparable to the CHOOZ limit when |{Delta}m{sup 2}| = 2.43 x 10{sup -3} eV{sup 2} and sin{sup 2} (2{theta}{sub 23}) = 1.0 are assumed.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 965405
- Report Number(s):
- FERMILAB-PUB-09-443-E; arXiv eprint number arXiv:0909.4996; TRN: US0903686
- Journal Information:
- Submitted to Phys.Rev.Lett., Vol. 103, Issue 26; ISSN 0031--9007
- Country of Publication:
- United States
- Language:
- English
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