Sterile neutrino oscillations in MINOS and hadron production in pC collisions Page: 44 of 237
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2.4 Experimental evidence
6 ---- M . 68% C.L.
-' 68%, 95%, 99% C.L.
2 - 68%C.L.
sN' 68% C.L.
N ES' 68% C.L
s 68% C.L.
0 0.5 1 1.5 2 2.5 3.5
<0, (X 10 cm-2 S-1)
Figure 2.8: The flux (#) of v, and v, + v, from the Sun measured with the SNO detector.
Dotted lines: region in which the v+ v+ v, fluxes sum to the SSM prediction. Blue: region
in which the vT + v, + v, fluxes sum to the total flux measured from the NC interactions.
Red: measured v, flux through the CC interaction with deuterium nuclei. Green: electron
scattering measurement (NC and CC, but with CC dominating); grey: the same electron
scattering measurement from the Super-Kamiokande experiment. Figure from .
uncertainty for each of the three interaction types. The bands showing the fluxes have dif-
ferent gradients due to the different sensitivities to non-electron neutrinos. There are two
conclusions to be taken away from the charged current and neutral current measurements
on this figure: comparing the overall 'B flux (#, + #,,) with the SSM flux prediction they
agree within errors, confirming that the SSM predictions are right. Furthermore, the fact
that at the measured 0,, 0,,, is non zero shows that 'B neutrinos from the Sun convert into
a combination of v, and vT. The fact that the ES flux agrees with the others and with SK
is a confirmation of the validity of the data.
Liquid scintillator experiments
Under the assumption of CPT conservation, equation (2.18) suggests another way it is
possible to study the solar oscillation parameters through the survival probability P(TC -
Te) = P(V6 ->4 Ve).
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Tinti, Gemma Maria & U., /Oxford. Sterile neutrino oscillations in MINOS and hadron production in pC collisions, thesis or dissertation, July 1, 2010; Batavia, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1015233/m1/44/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.