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arxiv: 1902.00558 · v4 · pith:PERSKGCFnew · submitted 2019-02-01 · ✦ hep-ex

Measurement of Neutrino-Induced Neutral-Current Coherent π⁰ Production in the NOvA Near Detector

M. A. Acero , P. Adamson , L. Aliaga , T. Alion , V. Allakhverdian , N. Anfimov , A. Antoshkin , E. Arrieta-Diaz
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A. Aurisano A. Back C. Backhouse M. Baird N. Balashov P. Baldi B. A. Bambah S. Basher K. Bays B. Behera S. Bending R. Bernstein V. Bhatnagar B. Bhuyan J. Bian J. Blair A.C. Booth A. Bolshakova P. Bour C. Bromberg N. Buchanan A. Butkevich M. Campbell T. J. Carroll E. Catano-Mur S. Childress B. C. Choudhary B. Chowdhury T. E. Coan M. Colo L. Corwin L. Cremonesi D. Cronin-Hennessy G. S. Davies P. F. Derwent P. Ding Z. Djurcic D. Doyle E. C. Dukes P. Dung H. Duyang S. Edayath R. Ehrlich G. J. Feldman W. Flanagan M. J. Frank H. R. Gallagher R. Gandrajula F. Gao S. Germani A. Giri R. A. Gomes M. C. Goodman V. Grichine M. Groh R. Group B. Guo A. Habig F. Hakl J. Hartnell R. Hatcher A. Hatzikoutelis K. Heller A. Himmel A. Holin B. Howard J. Huang J. Hylen F. Jediny C. Johnson M. Judah I. Kakorin D. Kalra D.M. Kaplan R. Keloth O. Klimov L.W. Koerner L. Kolupaeva S. Kotelnikov A. Kreymer Ch. Kulenberg A. Kumar C. D. Kuruppu V. Kus T. Lackey K. Lang S. Lin M. Lokajicek J. Lozier S. Luchuk K. Maan S. Magill W. A. Mann M. L. Marshak V. Matveev D. P. M\'endez M. D. Messier H. Meyer T. Miao W. H. Miller S. R. Mishra A. Mislivec R. Mohanta A. Moren L. Mualem M. Muether K. Mulder S. Mufson R. Murphy J. Musser D. Naples N. Nayak J. K. Nelson R. Nichol E. Niner A. Norman T. Nosek Y. Oksuzian A. Olshevskiy T. Olson J. Paley R. B. Patterson G. Pawloski D. Pershey O. Petrova R. Petti R. K. Plunkett B. Potukuchi C. Principato F. Psihas V. Raj A. Radovic R. A. Rameika B. Rebel P. Rojas V. Ryabov K. Sachdev O. Samoylov M. C. Sanchez I. S. Seong P. Shanahan A. Sheshukov P. Singh V. Singh E. Smith J. Smolik P. Snopok N. Solomey E. Song A. Sousa K. Soustruznik M. Strait L. Suter R. L. Talaga P. Tas R. B. Thayyullathil J. Thomas E. Tiras D. Torbunov J. Tripathi A. Tsaris Y. Torun J. Urheim P. Vahle J. Vasel L. Vinton P. Vokac T. Vrba B. Wang T. K. Warburton M. Wetstein M. While D. Whittington S. G. Wojcicki J. Wolcott N. Yadav A. Yallappa Dombara S. Yang K. Yonehara S. Yu J. Zalesak B. Zamorano R. Zwaska (NOvA Collaboration)
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keywords neutrinotextcoherentmeasurementneutral-currentproductioncrossdetector
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The cross section of neutrino-induced neutral-current coherent $\pi^0$ production on a carbon-dominated target is measured in the NOvA near detector. This measurement uses a narrow-band neutrino beam with an average neutrino energy of 2.7\,GeV, which is of interest to ongoing and future long-baseline neutrino oscillation experiments. The measured, flux-averaged cross section is $\sigma = 13.8\pm0.9 (\text{stat})\pm2.3 (\text{syst}) \times 10^{-40}\,\text{cm}^2/\text{nucleus}$, consistent with model prediction. This result is the most precise measurement of neutral-current coherent $\pi^0$ production in the few-GeV neutrino energy region.

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