Measurements of F2, xF3nu-xF3nub from CCFR neutrino-Fe and antineutrino-Fe data in a model independent way
A. Bodek, U. K. Yang, T. Adams, A. Alton, C. G. Arroyo, S. Avvakumov,, L. deBarbaro, P. deBarbaro, A. O. Bazarko, R. H. Bernstein, T. Bolton, J., Brau, D. Buchholz, H. Budd, L. Bugel, J. Conrad, R. B. Drucker, B. T., Fleming, et al. (The CCFR/NuTeV Collaboration)
TL;DR
This paper presents a model-independent extraction of structure functions F2 and Delta xF3 from CCFR neutrino and antineutrino scattering data, providing new insights into heavy charm production and resolving previous data-model discrepancies.
Contribution
It introduces the first model-independent measurement of Delta xF3, testing heavy charm production models and reconciling neutrino and muon scattering data.
Findings
Delta xF3 exceeds current theoretical predictions.
F2 measurements align with NLO PDFs, resolving previous discrepancies.
Results support models of heavy charm production.
Abstract
We report on the extraction of the structure functions F2 and Delta xF3 = xF3nu-xF3nub from CCFR neutrino-Fe and antineutrino-Fe differential cross sections. The extraction is performed in a physics model independent (PMI) way. This first measurement for Delta xF3 which is useful in testing models of heavy charm production, is higher than current theoretical predictions. The F2 (PMI) values measured in neutrino and muon scattering are in good agreement with the predictions of Next to Leading Order PDFs (using massive charm production schemes), thus resolving the long-standing discrepancy between the two sets of data.
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Inorganic Fluorides and Related Compounds · Quantum, superfluid, helium dynamics