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# Constraining the GENIE model of neutrino-induced single pion production using reanalyzed bubble chamber data

The European Physical Journal C

Springer Nature

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### Most cited references53

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### Big-Bang Nucleosynthesis

(2015)
A critical review is given of the current status of cosmological nucleosynthesis. In the framework of the Standard Model with 3 types of relativistic neutrinos, the baryon-to-photon ratio, $$\eta$$, corresponding to the inferred primordial abundances of deuterium and helium-4 is consistent with the independent determination of $$\eta$$ from observations of anisotropies in the cosmic microwave background. However the primordial abundance of lithium-7 inferred from observations is significantly below its expected value. Taking systematic uncertainties in the abundance estimates into account, there is overall concordance in the range $$\eta = (5.7-6.7)\times 10^{-10}$$ at 95% CL (corresponding to a cosmological baryon density $$\Omega_B h^2 = 0.021 - 0.025$$). The D and He-4 abundances, when combined with the CMB determination of $$\eta$$, provide the bound $$N_\nu=3.28 \pm 0.28$$ on the effective number of neutrino species. Other constraints on new physics are discussed briefly.
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### PYTHIA 6.4 Physics and Manual

(2006)
The PYTHIA program can be used to generate high-energy-physics `events', i.e. sets of outgoing particles produced in the interactions between two incoming particles. The objective is to provide as accurate as possible a representation of event properties in a wide range of reactions, within and beyond the Standard Model, with emphasis on those where strong interactions play a role, directly or indirectly, and therefore multihadronic final states are produced. The physics is then not understood well enough to give an exact description; instead the program has to be based on a combination of analytical results and various QCD-based models. This physics input is summarized here, for areas such as hard subprocesses, initial- and final-state parton showers, underlying events and beam remnants, fragmentation and decays, and much more. Furthermore, extensive information is provided on all program elements: subroutines and functions, switches and parameters, and particle and process data. This should allow the user to tailor the generation task to the topics of interest.
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### Asymptotic formulae for likelihood-based tests of new physics

(2013)
We describe likelihood-based statistical tests for use in high energy physics for the discovery of new phenomena and for construction of confidence intervals on model parameters. We focus on the properties of the test procedures that allow one to account for systematic uncertainties. Explicit formulae for the asymptotic distributions of test statistics are derived using results of Wilks and Wald. We motivate and justify the use of a representative data set, called the "Asimov data set", which provides a simple method to obtain the median experimental sensitivity of a search or measurement as well as fluctuations about this expectation.
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### Author and article information

###### Journal
The European Physical Journal C
Eur. Phys. J. C
Springer Nature
1434-6044
1434-6052
August 2016
August 2016
: 76
: 8
10.1140/epjc/s10052-016-4314-3