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Title: Measurements of the ν μ and ν ¯ μ -induced coherent charged pion production cross sections on C 12 by the T2K experiment

Journal Article · · Physical Review. D.
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We report an updated measurement of the νμ-induced, and the first measurement of the $$\overline{v}$$μ-induced coherent charged pion production cross section on 12C nuclei in the Tokai-to-Kamioka experiment. This is measured in a restricted region of the final-state phase space for which pμ,π > 0.2 GeV, cos(θμ) > 0.8 and cos(θπ) > 0.6, and at a mean (anti)neutrino energy of 0.85 GeV using the T2K near detector. The measured νμ charged current coherent pion production flux-averaged cross section on 12C is (2.98 ± 0.37(stat)±0.31(syst)$$^{+0.49}_{–0.00}$$(Q2 model))×10–40 cm2. The new measurement of the $$\overline{v}$$μ-induced cross section on 12C is (3.05 ± 0.71(stat) ± 0.39(syst)$$^{+0.74}_{–0.00}$$(Q2 model)) × 10–40 cm2. The results are compatible with both the NEUT 5.4.0 Berger-Sehgal (2009) and GENIE 2.8.0 Rein-Sehgal (2007) model predictions.

Research Organization:
Univ. of Rochester, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
T2K Collaboration
Grant/Contract Number:
SC0008475
OSTI ID:
2217265
Alternate ID(s):
OSTI ID: 2282764
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 108 Journal Issue: 9; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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