Data based two-body current contribution to neutrino-nucleus cross section

Bonus, Tomasz; Sobczyk, Jan T.; Siemaszko, Michał; Juszczak, Cezary

doi:10.48550/arxiv.2003.00088

Cited by 2 publications

(4 citation statements)

References 42 publications

(61 reference statements)

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“…Multiple hypotheses have been considered to explain this observation. We note that a recent publication in which NuWro models are fit to T2K and MIN-ERvA data sees a similar effect when fitting the MIN-ERvA data [31] and attributes it to Peelle's Pertinent Puzzle [36].…”

Section: A T2k Data Setmentioning

confidence: 54%

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New CC0π GENIE Model Tune for MicroBooNE

Abratenko,

An,

Anthony

et al. 2021

Preprint

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Obtaining a high-quality interaction model together with associated uncertainties is an essential task for neutrino experiments studying oscillations, nuclear scattering processes, or both. As a primary input to the MicroBooNE experiment's next generation of neutrino cross-section measurements and its flagship investigation of the MiniBooNE low-energy excess, we present a new tune of the charged-current pionless (CC0π) interaction cross section via the two major contributing processes -charged-current quasielastic and multi-nucleon interaction models -within version 3.0.6 of the GENIE neutrino event generator. Parameters in these models are tuned to muon neutrino CC0π cross-section data obtained by the T2K experiment, which provides an independent set of neutrino interactions with a neutrino flux in a similar energy range to MicroBooNE's neutrino beam. Although the fit is to muon neutrino data, the information carries over to electron neutrino simulation because the same underlying models are used in GENIE. A number of novel fit parameters were developed for this work, and the optimal parameters were chosen from existing and new sets. We choose to fit four parameters, that have not previously been constrained by theory or data. Thus, this will be called a theory-driven tune. The result is an improved match to the T2K CC0π data with more well-motivated uncertainties based on the fit.

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Section: A T2k Data Setmentioning

confidence: 54%

“…10(a)) where these interactions dominate. The lack of consensus about optimal choice of these models in the theoretical community [1,[29][30][31] strongly drives the parameter choices in this theory-driven fitting exercise. Tuning other channels (e.g.…”

Section: Genie Modelsmentioning

confidence: 99%

New CC0π GENIE Model Tune for MicroBooNE

Abratenko,

An,

Anthony

et al. 2021

Preprint

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“…5.2.2 and also Ref. [199] where similar problem is discussed). Moreover, owing to strong correlations the standard χ 2 values for the T2K C 8 H 8 and MINERνA data may sometimes look counterintuitive.…”

Section: Comparison With Recent Datamentioning

confidence: 84%

“…In particular, such χ 2 st statistics can suffer from so-called Peelle's Pertinent Puzzle [214] (see Ref. [199] for a possible remedy to deal with this problem). Recall that the SM RFG + M run A models and G18 tunes satisfactory describe the T2K data on water target exposed to the same ν µ beam.…”

Section: The Sm Rfg + M Runmentioning

confidence: 99%

Running axial mass of the nucleon as a phenomenological tool for calculating QE neutrino-nucleus cross sections

Kakorin,

Kuzmin,

Naumov

2021

Preprint

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We suggest an empirical rule-of-thumb for calculating the cross sections of charged-current quasielastic (CCQE) and CCQE-like interactions of neutrinos and antineutrinos with nuclei. The approach is based on the standard relativistic Fermi-gas model and on the notion of neutrino energy dependent axial-vector mass of the nucleon, governed by a couple of adjustable parameters, one of which is the conventional charged-current axial-vector mass. The inelastic background contributions and final-state interactions are therewith simulated using GENIE 3 neutrino event generator. An extensive comparison of our calculations with earlier and current accelerator CCQE and CCQE-like data for different nuclear targets shows good or at least qualitative overall agreement over a wide energy range. We also discuss some problematical issues common to several competing contemporary models of the CCQE (anti)neutrinonucleus scattering and to the current neutrino interaction generators. KeywordsNeutrino • Nucleon form factors • Axial-vector mass • Charged currents • Likelihood analysis

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Data based two-body current contribution to neutrino-nucleus cross section

Cited by 2 publications

References 42 publications

New CC0π GENIE Model Tune for MicroBooNE

New CC0π GENIE Model Tune for MicroBooNE

Running axial mass of the nucleon as a phenomenological tool for calculating QE neutrino-nucleus cross sections

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