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Title: Measurement of $$\phi$$ Meson Production in p + p Interactions at 40, 80 and 158 GeV/c with the NA61/SHINE Spectrometer at the CERN SPS

Abstract

Results on $$\phi$$ meson production in inelastic p+p collisions at CERN SPS energies are presented. They are derived from data collected by the NA61/SHINE fixed target experiment, by means of invariant mass spectra fits in the $$\phi \to K^+K^-$$ decay channel. They include the first ever measured double differential spectra of $$\phi$$ mesons as a function of rapidity $y$ and transverse momentum $$p_T$$ for proton beam momenta of 80 GeV/c and 158 GeV/c, as well as single differential spectra of $y$ or $$p_T$$ for beam momentum of 40 GeV/c. The corresponding total $$\phi$$ yields per inelastic p+p event are obtained. These results are compared with existing data on $$\phi$$ meson production in p+p collisions. The comparison shows consistency but superior accuracy of the present measurements. The emission of $$\phi$$ mesons in p+p reactions is confronted with that occurring in Pb+Pb collisions, and the experimental results are compared with model predictions. It appears that none of the considered models can properly describe all the experimental observables.

Authors:
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
NA61/SHINE
OSTI Identifier:
1561544
Report Number(s):
arXiv:1908.04601; FERMILAB-PUB-19-423-AD-ND-SCD
oai:inspirehep.net:1749613
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Journal Article
Journal Name:
TBD
Additional Journal Information:
Journal Name: TBD
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Aduszkiewicz, A., and et al. Measurement of $\phi$ Meson Production in p + p Interactions at 40, 80 and 158 GeV/c with the NA61/SHINE Spectrometer at the CERN SPS. United States: N. p., 2019. Web.
Aduszkiewicz, A., & et al. Measurement of $\phi$ Meson Production in p + p Interactions at 40, 80 and 158 GeV/c with the NA61/SHINE Spectrometer at the CERN SPS. United States.
Aduszkiewicz, A., and et al. Tue . "Measurement of $\phi$ Meson Production in p + p Interactions at 40, 80 and 158 GeV/c with the NA61/SHINE Spectrometer at the CERN SPS". United States. https://www.osti.gov/servlets/purl/1561544.
@article{osti_1561544,
title = {Measurement of $\phi$ Meson Production in p + p Interactions at 40, 80 and 158 GeV/c with the NA61/SHINE Spectrometer at the CERN SPS},
author = {Aduszkiewicz, A. and et al.},
abstractNote = {Results on $\phi$ meson production in inelastic p+p collisions at CERN SPS energies are presented. They are derived from data collected by the NA61/SHINE fixed target experiment, by means of invariant mass spectra fits in the $\phi \to K^+K^-$ decay channel. They include the first ever measured double differential spectra of $\phi$ mesons as a function of rapidity $y$ and transverse momentum $p_T$ for proton beam momenta of 80 GeV/c and 158 GeV/c, as well as single differential spectra of $y$ or $p_T$ for beam momentum of 40 GeV/c. The corresponding total $\phi$ yields per inelastic p+p event are obtained. These results are compared with existing data on $\phi$ meson production in p+p collisions. The comparison shows consistency but superior accuracy of the present measurements. The emission of $\phi$ mesons in p+p reactions is confronted with that occurring in Pb+Pb collisions, and the experimental results are compared with model predictions. It appears that none of the considered models can properly describe all the experimental observables.},
doi = {},
journal = {TBD},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {8}
}