Ren, Lu
(2017)
Measurement of Neutrino and Antineutrino Total Charged-current Cross Sections on Carbon with MINERvA.
Doctoral Dissertation, University of Pittsburgh.
(Unpublished)
Abstract
This thesis presents a measurement of charged-current inclusive cross sections of muon neutrino and antineutrino interaction on carbon, and antineutrino to neutrino cross section ratio, $r$, in the energy range 2 - 22 GeV, with data collected in the MINERvA experiment. The dataset corresponds to an exposure of 3.2$\times 10^{20}$ protons on target (POT) for neutrinos and 1.0$\times 10^{20}$ POT for antineutrinos.
Measurement of neutrino and antineutrino charged-current inclusive cross sections provides essential constraints for future long baseline neutrino oscillation experiment at a few GeV energy range. Our measured antineutrino cross section has an uncertainty in the range 6.1\% - 10.5\% and is the most precise measurement below 6~GeV to date. The measured $r$ has an uncertainty of 5.0\% - 7.5\%. This is the first measurement below 6~GeV since Gargamelle in 1970s.
The cross sections are measured as a function of neutrino energy by dividing the efficiency corrected charged-current sample with extracted fluxes. Fluxes are obtained using the low-$\nu$ method, which uses low hadronic energy subsamples of charged-current inclusive sample to extract flux. Measured cross sections show good agreement with the prediction of neutrino interaction models above 7 GeV, and are about 10\% below the model below 7 GeV. The measured $r$ agrees with the GENIE model over the whole energy region. The measured cross sections and $r$ are compared with world data.
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Details
| Item Type: |
University of Pittsburgh ETD
|
| Status: |
Unpublished |
| Creators/Authors: |
|
| ETD Committee: |
|
| Date: |
1 July 2017 |
| Date Type: |
Publication |
| Defense Date: |
29 August 2016 |
| Approval Date: |
1 July 2017 |
| Submission Date: |
12 April 2017 |
| Access Restriction: |
No restriction; Release the ETD for access worldwide immediately. |
| Number of Pages: |
224 |
| Institution: |
University of Pittsburgh |
| Schools and Programs: |
Dietrich School of Arts and Sciences > Physics |
| Degree: |
PhD - Doctor of Philosophy |
| Thesis Type: |
Doctoral Dissertation |
| Refereed: |
Yes |
| Uncontrolled Keywords: |
cross section, neutrino |
| Date Deposited: |
01 Jul 2017 23:53 |
| Last Modified: |
01 Jul 2017 23:53 |
| URI: |
http://d-scholarship.pitt.edu/id/eprint/31416 |
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