First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV

Physics

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https://doi.org/10.1016/j.physletb.2008.05.006
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First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV. / MiniBooNE Collaboration.
In: Physics Letters B, Vol. 664, No. 1-2, 12.06.2008, p. 41-46.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

MiniBooNE Collaboration 2008, 'First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV', Physics Letters B, vol. 664, no. 1-2, pp. 41-46. https://doi.org/10.1016/j.physletb.2008.05.006

APA

MiniBooNE Collaboration (2008). First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV. Physics Letters B, 664(1-2), 41-46. https://doi.org/10.1016/j.physletb.2008.05.006

Vancouver

MiniBooNE Collaboration. First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV. Physics Letters B. 2008 Jun 12;664(1-2):41-46. doi: 10.1016/j.physletb.2008.05.006

Author

MiniBooNE Collaboration. / First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV. In: Physics Letters B. 2008 ; Vol. 664, No. 1-2. pp. 41-46.

Bibtex

@article{24091024b03644fd8bdd69dc8f0bd031,

title = "First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV",

abstract = "The MiniBooNE experiment at Fermilab has amassed the largest sample to date of π0s produced in neutral current (NC) neutrino–nucleus interactions at low energy. This Letter reports a measurement of the momentum distribution of π0s produced in mineral oil (CH2) and the first observation of coherent π0 production below 2 GeV. In the forward direction, the yield of events observed above the expectation for resonant production is attributed primarily to coherent production off carbon, but may also include a small contribution from diffractive production on hydrogen. Integrated over the MiniBooNE neutrino flux, the sum of the NC coherent and diffractive modes is found to be (19.5±1.1(stat)±2.5(sys))% of all exclusive NC π0 production at MiniBooNE. These measurements are of immediate utility because they quantify an important background to MiniBooNE's search for νμ→νe oscillations.",

author = "A.A. Aguilar-Arevalo and Jaroslaw Nowak and {MiniBooNE Collaboration}",

year = "2008",

month = jun,

day = "12",

doi = "10.1016/j.physletb.2008.05.006",

language = "English",

volume = "664",

pages = "41--46",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "ELSEVIER SCIENCE BV",

number = "1-2",

}

RIS

TY - JOUR

T1 - First observation of coherent π0 production in neutrino–nucleus interactions with Eν<2 GeV

AU - Aguilar-Arevalo, A.A.

AU - Nowak, Jaroslaw

AU - MiniBooNE Collaboration

PY - 2008/6/12

Y1 - 2008/6/12

N2 - The MiniBooNE experiment at Fermilab has amassed the largest sample to date of π0s produced in neutral current (NC) neutrino–nucleus interactions at low energy. This Letter reports a measurement of the momentum distribution of π0s produced in mineral oil (CH2) and the first observation of coherent π0 production below 2 GeV. In the forward direction, the yield of events observed above the expectation for resonant production is attributed primarily to coherent production off carbon, but may also include a small contribution from diffractive production on hydrogen. Integrated over the MiniBooNE neutrino flux, the sum of the NC coherent and diffractive modes is found to be (19.5±1.1(stat)±2.5(sys))% of all exclusive NC π0 production at MiniBooNE. These measurements are of immediate utility because they quantify an important background to MiniBooNE's search for νμ→νe oscillations.

AB - The MiniBooNE experiment at Fermilab has amassed the largest sample to date of π0s produced in neutral current (NC) neutrino–nucleus interactions at low energy. This Letter reports a measurement of the momentum distribution of π0s produced in mineral oil (CH2) and the first observation of coherent π0 production below 2 GeV. In the forward direction, the yield of events observed above the expectation for resonant production is attributed primarily to coherent production off carbon, but may also include a small contribution from diffractive production on hydrogen. Integrated over the MiniBooNE neutrino flux, the sum of the NC coherent and diffractive modes is found to be (19.5±1.1(stat)±2.5(sys))% of all exclusive NC π0 production at MiniBooNE. These measurements are of immediate utility because they quantify an important background to MiniBooNE's search for νμ→νe oscillations.

U2 - 10.1016/j.physletb.2008.05.006

DO - 10.1016/j.physletb.2008.05.006

M3 - Journal article

VL - 664

SP - 41

EP - 46

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1-2

ER -

Research

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