orca with e j. brunner. step 1 oscillation probabilities – values from fogli et al....

ORCA with e

J. Brunner

Step 1

• Oscillation probabilities– Values from Fogli et al. (arxiv:1205.5254)– 23=45˚ (avoid octant problem)– CP-phases : colored bands (NH : red, IH : blue)

• Averaged over fluxes (Honda) and cross sections• All components taken into account– µ µ e e

• Perfect flavour identification• NC ignored• ignored

Flavour average Posc (µ)

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Flavour average Posc (e)

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Step 2

• Event Numbers for 6 years of data taking– Numbers are per bin (0.1) in cos– Uncertainties are from width of CP-band

• Averaged over fluxes and cross sections• All components taken into account– µ µ e e

• Perfect flavour identification• NC ignored• ignored

Nev (µ) perfect resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

NH : 426621IH : 41972

NH : 334530IH : 33952

NH : 30335IH : 31452

NH : 294815IH : 30053

Nev (e) perfect resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

NH : 378147IH : 37898

NH : 277651IH : 27096

NH : 224112IH : 20884

NH : 185227IH : 16775

Step 3

• Event Numbers for 6 years of data taking• Averaged over fluxes and cross sections• All components taken into account– µ µ e e

• Perfect flavour identification• NC ignored• ignored

• Energy resolution 25% Gaussian in E

Nev (µ) perfect resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Nev (µ) 25% E resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Nev (e) perfect resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Nev (e) 25% resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Step 4

• Event Numbers for 6 years of data taking• Averaged over fluxes and cross sections• All components taken into account– µ µ e e

• Flavour misidentification from P2O note• NC added• added

• Energy resolution 25% Gaussian in E

Nev (µ) 25% E resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Flavour misidentificationcos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Nev (e) 25% resolution

cos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Flavour misidentificationcos = 0.25 cos = 0.45

cos = 0.65 cos = 0.85

Significance

• Cross check : Perfect conditions• Ok w.r.t. V.L. & Smirnov• 6 years (~ 10 Mton*years)

µ e

Significance

• Resolution included : 25% E ; : 0.5 m/E

• Perfect particle ID, no NC, ignored• 6 years (~ 10 Mton*years)

• 6 years (~ 10 Mton*years)µ e

Significance

• Resolution included : 25% E ; : 0.5 m/E

• Imperfect particle ID, NC, included• 6 years (~ 10 Mton*years)

• 6 years (~ 10 Mton*years)tracks cascades

Significance

• Resolution included : 25% E ; : 0.5 m/E

• NO particle ID, NC, included• 6 years (~ 10 Mton*years)

All events

Significance – time dependence• Electrons are better !!• Measurement still possible without particle ID• Absolute values here are too good, comparison

among curves counts– Solid : only resolution– Dashed : also misreco e

µ

No particle ID

Event Ratios

• Resolution included : 25% E ; : 0.5 m/E

• Perfect particle ID, no NC, ignored

µ e

Event Ratios

• Resolution included : 25% E ; : 0.5 m/E

• Imperfect particle ID, NC, included

tracks cascades

Event Ratios

• Resolution included : 25% E ; : 0.5 m/E

• NO particle ID, NC, included

All events