First MINOS results with the NuMI beam
Conference
·
· Nucl.Phys.Proc.Suppl.168:195-198,2007
OSTI ID:908058
The results from the initial exposure of the MINOS detectors to neutrinos produced by the Fermilab NuMI beam are reported here. The exposure consisted of 1.27x10{sup 20} 120 GeV protons incident on the NuMI target. The data show the observation of 215 neutrinos with energies below 30 GeV while 336 {+-} 14.4 events were expected. The data are consistent with {nu}{sub {mu}} disappearance via neutrino oscillations with |{Delta}m{sup 2}{sub 23}| = 2.74{sub +0.44}{sup -0.26} x 10{sup -3} eV{sup 2}/c{sup 4} and sin{sup 2} 2{theta}{sub 23} > 0.87 (68% C.L.).
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 908058
- Report Number(s):
- FERMILAB-CONF-06-494-E; arXiv eprint number hep-ex/0701049
- Conference Information:
- Journal Name: Nucl.Phys.Proc.Suppl.168:195-198,2007
- Country of Publication:
- United States
- Language:
- English
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