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Title: Measurement of meson resonance production in $$\pi ^- + C$$ interactions at SPS energies: The NA61/SHINE Collaboration

Here, we present measurements of $$\rho^0$$, $$\omega$$ and K$$^{*0}$$ spectra in $$\pi^{-} + $$C production interactions at 158 GeV/c and $$\rho^0$$ spectra at 350 GeV/c using the NA61/SHINE spectrometer at the CERN SPS. Spectra are presented as a function of the Feynman's variable $$x_\text{F}$$ in the range $$0 < x_\text{F} < 1$$ and $$0 < x_\text{F} < 0.5$$ for 158 GeV/c and 350 GeV/c respectively. Furthermore, we show comparisons with previous measurements and predictions of several hadronic interaction models. Our measurements are essential for a better understanding of hadronic shower development and for improving the modeling of cosmic ray air showers.
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Publication Date:
Report Number(s):
CERN-EP-2017-105; FERMILAB-PUB-17-268-AD-ND; arXiv:1705.08206
Journal ID: ISSN 1434-6044; 1600971
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 77; Journal Issue: 9; Journal ID: ISSN 1434-6044
Publisher:
Springer
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
NA61/SHINE Collaboration
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 79 ASTRONOMY AND ASTROPHYSICS
OSTI Identifier:
1394795