Journal article

Treatment of flux shape uncertainties in unfolded, flux-averaged neutrino cross-section measurements

Abstract:: The exact way of treating flux shape uncertainties in unfolded, flux-averaged neutrino cross-section measurements can lead to subtle issues when comparing the results to model predictions. There is a difference between reporting a cross section in the (unknown) real flux, and reporting a cross section that was extrapolated from the real flux to a well-defined, fixed reference flux. Many current analyses do the former, while the results are compared to model predictions as if they were the latter. This leads to the flux shape uncertainty being ignored at least partially, potentially leading to wrong physics conclusions. A somewhat qualitative study of two results from T2K and MINERvA as examples suggests that the size of the effect is subdominant, but non-negligible for those measurements. This paper describes how the issue arises and details possible methods for treating the flux shape uncertainties correctly.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Koch, L., & Dolan, S. (2020). Treatment of flux shape uncertainties in unfolded, flux-averaged neutrino cross-section measurements. Physical Review D, 102(11).

MLA Style

Koch, L., and S. Dolan. “Treatment of Flux Shape Uncertainties in Unfolded, Flux-Averaged Neutrino Cross-Section Measurements.” Physical Review D, vol. 102, no. 11, American Physical Society, 2020.

Chicago Style

Koch, L, and S Dolan. 2020. “Treatment of Flux Shape Uncertainties in Unfolded, Flux-Averaged Neutrino Cross-Section Measurements.” Physical Review D 102 (11).
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Files:: VoR_LKoch_SDolan_Dec2020_PhysRevD_102_113012.pdf

(Preview, Version of record, 393.5KB, Terms of use)

Publisher copy:: 10.1103/PhysRevD.102.113012

Authors

+ Koch, L More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Particle Physics
Role:: Author
ORCID:: 0000-0002-2966-7461

+ Dolan, S More by this author

Role:: Author

Publisher:: American Physical Society
Journal:: Physical Review D More from this journal
Volume:: 102
Issue:: 11
Article number:: 113012
Publication date:: 2020-12-24
Acceptance date:: 2020-12-01
DOI:: 10.1103/PhysRevD.102.113012
EISSN:: 2470-0029
ISSN:: 2470-0010

Language:: English
Keywords:: hep-ex

FFR
Pubs id:: 1129779
Local pid:: pubs:1129779
Deposit date:: 2021-05-20

Terms of use

Copyright holder:: L Koch and S Dolan.
Copyright date:: 2020
Rights statement:: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3 .

Licence:: CC Attribution (CC BY)

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