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Flux for 2017 Analysis Histograms

Document #:
NOVA-doc-25266-v3
Document type:
technical note
Submitted by:
Leonidas Aliaga Soplin
Updated by:
Leonidas Aliaga Soplin
Document Created:
29 Nov 2017, 09:41
Contents Revised:
30 Nov 2017, 12:40
DB Info Revised:
30 Nov 2017, 16:52
Viewable by:
  • Public document
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Abstract:
Flux for 2017 Analysis histograms for FHC (will add RHC in the future). Some characteristics:

- These fluxes have been made with the official FHC ND MC CAFAna files using the function DeriveFlux from CAFAna/XSec/Flux.*. The fiducial volume is -176 < X <177, -172 < Y < 179 and 25 < Z < 1150 cm. The fluxes are PPFX corrected, and both, the hadron production and focusing systematics are included (see docs 23441 and 17608 for more details).

- The root file has the two kind of histograms: flux_N and fractional_uncertainty_N, where N is the neutrino type. The entries are normalized per 10^6 POT, m2 and the bin width.

- The text files contain tables of the flux normalized by 10^6 POT and m2.

- The energy range is 0-20 GeV with coarse binning when is needed to minimize statistical errors.

- The fractional uncertainty is created by the hadron production and beam focusing uncertainties added in quadrature. This corresponds to the sigma fraction respect to the central value and it meant to be used to make an uncertainty band (the covariance is not yet included).

Topics:
Notes and Changes:
Removing the unweighted fluxes.
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