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Measurement of single π0 production by coherent neutral-current ν Fe interactions in the MINOS Near Detector

  • P. Adamson
  • , I. Anghel
  • , A. Aurisano
  • , G. Barr
  • , M. Bishai
  • , A. Blake
  • , G. J. Bock
  • , D. Bogert
  • , S. V. Cao
  • , T. J. Carroll
  • , C. M. Castromonte
  • , R. Chen
  • , D. Cherdack
  • , S. Childress
  • , J. A B Coelho
  • , L. Corwin
  • , D. Cronin-Hennessy
  • , J. K. De Jong
  • , S. De Rijck
  • , A. V. Devan
  • N. E. Devenish, M. V. Diwan, C. O. Escobar, J. J. Evans, E. Falk, G. J. Feldman, W. Flanagan, M. V. Frohne, M. Gabrielyan, H. R. Gallagher, S. Germani, R. A. Gomes, M. C. Goodman, P. Gouffon, N. Graf, R. Gran, K. Grzelak, A. Habig, S. R. Hahn, J. Hartnell, R. Hatcher, A. Holin, J. Huang, J. Hylen, G. M. Irwin, Z. Isvan, C. James, D. Jensen, M. L. Marshak, G. Pawloski, (MINOS Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

Forward single π0 production by coherent neutral-current interactions, νA→νAπ0, is investigated using a 2.8×1020 protons-on-target exposure of the MINOS Near Detector. For single-shower topologies, the event distribution in production angle exhibits a clear excess above the estimated background at very forward angles for visible energy in the range 1-8 GeV. Cross sections are obtained for the detector medium comprised of 80% iron and 20% carbon nuclei with =48, the highest- target used to date in the study of this coherent reaction. The total cross section for coherent neutral-current single π0 production initiated by the νμ flux of the NuMI low-energy beam with mean (mode) Eν of 4.9 GeV (3.0 GeV), is 77.6±5.0(stat)-16.8+15.0(syst)×10-40 cm2 pernucleus. The results are in good agreement with predictions of the Berger-Sehgal model.

Original languageEnglish (US)
Article number072006
JournalPhysical Review D
Volume94
Issue number7
DOIs
StatePublished - Oct 26 2016

Bibliographical note

Publisher Copyright:
© 2016 American Physical Society.

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