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A Search for Muon Neutrino to Electron Neutrino Oscillations in the MINOS Experiment pp 85–115Cite as

A Novel Approach for Selecting \(\nu_e\) CC Events

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Part of the book series: Springer Theses ((Springer Theses))

Abstract

The philosophy of our approach together with a description of the basic preselection cuts employed in the analysis are first laid down. The technical characteristics of the new selection method are then reviewed, followed by its optimization and performance.

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Notes

  1. 1.

    Systematic error constraints made it necessary for strips with a total charge less than \(3.0\) photoelectrons (PEs) to be ignored by the algorithm, as explained in Sect. 5.3.3.

  2. 2.

    The relative proportion of signal-to-background events in the library is justified in Sect. 5.4.2.

  3. 3.

    In the “energy branch” described in Sect. 3.5.1 and whose end result is the reconstructed energy used in this analysis, the attenuation corrections are accounted for by the “strip-to-strip” and the “transverse position” corrections.

  4. 4.

    Due to the strip grouping mentioned in Sect. 5.3.3 it is very hard to do something analogous in the transverse direction.

  5. 5.

    While the fom of Fig. 5.13 improves by only \(\sim2.5\%\) when the total library is increased from \(\sim4\)M to \(\sim26\)M, the super-fom of Eq. (5.12) improves by more than \(6\%\). Consequently, it is worth having all 30M events in the library.

  6. 6.

    This is shown in detail in Sect. 7.2.2.

  7. 7.

    The acronym is formed with the initials of the method’s creators, who are the author (Pedro Ochoa) and Ryan Patterson.

References

  1. M. Apollonio et al. (the CHOOZ Collaboration), Search for neutrino oscillations on a long base-line at the CHOOZ nuclear power station. Eur. Phys. J. C27, 331–374 (2003)

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  2. T. Yang, A study of muon neutrino to electron neutrino oscillations in the MINOS experiment, FERMILAB-THESIS-2009-04.

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  3. A. Holin, Nue Muon Removal Background Estimation, MINOS-doc-4018, 2008.

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  4. J. P. Ochoa-Ricoux, The status of the new MCNN, MINOS-doc-4888, 2008.

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  5. R. B. Patterson, MCNN : Exploring micro and macro properties of the method, MINOSdoc- 4208, 2008.

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  6. R. B. Patterson and J. P. Ochoa-Ricoux, The impact of background composition on nue sensitivity, MINOS-doc-3760, 2007.

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  7. J. P. Ochoa-Ricoux, Selection Optimization for the nue appearance analysis, MINOSdoc- 4207, 2008.

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Authors and Affiliations

  1. Lawrence Berkeley National Laboratory, Berkeley, CA, USA

    Juan Pedro Ochoa Ricoux

Authors
  1. Juan Pedro Ochoa Ricoux
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Correspondence to Juan Pedro Ochoa Ricoux .

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© 2011 Springer Science+Business Media, LLC

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Ochoa Ricoux, J.P. (2011). A Novel Approach for Selecting \(\nu_e\) CC Events. In: A Search for Muon Neutrino to Electron Neutrino Oscillations in the MINOS Experiment. Springer Theses. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7949-0_5

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  • DOI: https://doi.org/10.1007/978-1-4419-7949-0_5

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-7948-3

  • Online ISBN: 978-1-4419-7949-0

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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