WG1: Flux Measurements

Mailing list: CENF-ND-Wg1

Members

Conveners

• Milind Diwan (BNL)
• B. Popov (LPNHE, Paris)

The working group will focus on the neutrino flux measurements. Measurements both in-situ and/or with the help of complementary experiments will be considered. Physic studies will be performed to assess advantages and limitations of each approach and define which detector characteristics would be the most suitable to perform the measurement. The WG1 is expected to work in close contact with the WG4 in order to estimate the reduction of the systematics uncertainties for the oscillation analyses.

Reminder: Next CENF-ND general meeting (via vydio) in September

• In preparation of that meeting, the WGs should auto-organise: define conveners and set regular WG meetings.

• Given the heterogeneity of the membership, and the need to appropriate the existing knowledge, the first meeting could be devoted to summarise, merge and digest the existing studies for the topics of interest of each WG.

• Feel free to post material, add link to documents, events etc in the twiki

Topics

• The e-scatter method : define requirements for detector, needed exposure, study dependence on nu angle, possibility to measure nu energy, precision achievable, limitations.
• The low-nu method: requirements for detector, needed exposure, reliability at low energies, precision achievable, limitations.
• Hadroproduction
• Beam monitoring and synergies with muon monitors
• Other ideas (nu-prism...), but also the “spectrometer” for DUNE beam, enubet
• Example studies of “real” detectors..
• Near-to-far extrapolation

Some Documentation

Low-nu method

• The_Low_nu_Method-ABodek-nufact2012.pdf: The low-nu method talk by Bodek at Neutrino 2012

• Methods to Determine Neutrino Flux at Low Energies:Investigation of the Low ν Method : Bodek et al paper

• Neutrino Flux Predictions for the NuMI Beam : NuMi flux measurement with some comparison between prediction and in-situ measurements

neutrino elastic scattering method

• chris_20170328_nue_lownu.pdf: Chris Marshall talk at ND workshop on enu-e and low-nu

Other Relevant Meetings

• Meeting on the future of NA61/SHINE https://indico.cern.ch/event/629968/

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• analysis-notes.pdf: Notes on how Gaussian multivariate distributions work and covariance analysis