14 June 2012
Fermi National Accelerator Laboratory
US/Central timezone

Methods to determine neutrino flux at low energies-Investigation of the low ν method

14 Jun 2012, 16:45
15m
Ramsey Auditorium, Wilson Hall (Fermi National Accelerator Laboratory)

Ramsey Auditorium, Wilson Hall

Fermi National Accelerator Laboratory

Batavia, IL 60510

Speaker

Mr Ulascan Sarica (University of Rochester)

Description

We investigate the “low-ν” method (developed by the CCFR/NUTEV collaborations) to determine the neutrino flux in a wide band neutrino beam at very low energies, a region of interest to neutrino oscillations experiments. Events with low hadronic final state energy nu < nu_cut (of 1, 2 and 5 GeV) were used by the MINOS collaboration to determine the neutrino flux in their measurements of neutrino (nu_mu ) and antineutrino (nu_mu_bar) total cross sections. The lowest nu_mu energy for which the method was used in MINOS is 3.5 GeV, and the lowest energy is 6 GeV. At these energies, the cross sections are dominated by inelastic processes. We investigate the application of the method to determine the neutrino flux for nu_mu, nu_mu_bar energies as low as 0.7 GeV where the cross sections are dominated by quasi-elastic scattering and Delta(1232) resonance production. We find that the method can be extended to low energies by using nu-cut values of 0.25 and 0.50 GeV, which are feasible in fully active neutrino detectors such as MINERvA.

Primary author

Prof. Arie Bodek (University of Rochester)

Co-authors

Prof. Donna Naples (University of Pittsburgh) Ms Lu Ren (University of Pittsburgh) Mr Ulascan Sarica (University of Rochester)

Presentation materials