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$$K^0_S$$ meson production in inelastic p+p interactions at 31, 40 and 80 $$\text {Ge}\hspace{-1.00006pt}\text {V}\!/\!c$$ beam momentum measured by NA61$$/$$SHINE at the CERN SPS

Journal Article · · Eur.Phys.J.C
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  1. Geneva U.
  2. Jan Kochanowski U.
  3. Warsaw, Inst. Nucl. Studies
  4. Colorado U.
  5. CFN, Karlsruhe
  6. Unlisted
  7. Boskovic Inst., Zagreb
  8. Oslo U.
  9. Jagiellonian U.
  10. Silesia U.
  11. AGH-UST, Cracow
  12. Notre Dame U.
  13. Cracow, INP
  14. Paris U., VI-VII
  15. Sofiya U.
  16. Warsaw U. of Tech. (main)
  17. Pittsburgh U.
  18. Belgrade U.
  19. Eotvos U.
  20. Hawaii U.
  21. Warsaw U.
  22. Wigner RCP, Budapest; Wroclaw U.
  23. KEK, Tsukuba
  24. Jan Kochanowski U.; Goethe U., Frankfurt (main)
  25. Okayama U.
  26. Wroclaw U.
  27. Wigner RCP, Budapest
  28. Unlisted; Paris U., VI-VII
  29. Wigner RCP, Budapest; Eotvos U.
  30. Bergen U.
  31. NNRC, Baku; Goethe U., Frankfurt (main)
  32. Goethe U., Frankfurt (main)
  33. KIT, Karlsruhe
  34. Fermilab
+ Show Author Affiliations
The yields of $$K^0_S$$ mesons have been measured in inelastic p+p interactions at incident projectile momenta of 31, 40 and 80 $$\text {Ge}\hspace{-1.00006pt}\text {V}\!/\!c$$ ($$\sqrt{s_{NN}}=7.7, 8.8$$ and 12.3 $$\text {Ge}\hspace{-1.00006pt}\text {V}$$, respectively). The data were recorded by the NA61$$/$$SHINE spectrometer at the CERN Super Proton Synchrotron and the $$K^0_S$$ mesons identified via their decays into $$\pi ^{+} \pi ^{-}$$ pairs. Double-differential distributions are presented as function of transverse momentum and rapidity. The mean multiplicities of $$K^0_S$$ mesons were determined to be $$(5.95 \pm 0.19 (stat) \pm 0.30 (sys)) \times 10^{-2}$$ at 31 $$\text {Ge}\hspace{-1.00006pt}\text {V}\!/\!c$$, $$(7.61 \pm 0.13 (stat) \pm 0.43 (sys)) \times 10^{-2}$$ at 40 $$\text {Ge}\hspace{-1.00006pt}\text {V}\!/\!c$$ and $$(11.58 \pm 0.12 (stat) \pm 0.55 (sys)) \times 10^{-2}$$ at 80 $$\text {Ge}\hspace{-1.00006pt}\text {V}\!/\!c$$. The results on $$K^{0}_{S}$$ production are compared with the production of charged kaons in corresponding reactions and with model calculations (Epos1.99, SMASH 2.0 and PHSD) as well as with published data from other experiments.
Research Organization:
AGH-UST, Cracow; Belgrade U.; Bergen U.; Boskovic Inst., Zagreb; CFN, Karlsruhe; Colorado U.; Cracow, INP; Eotvos U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Geneva U.; Goethe U., Frankfurt (main); Hawaii U.; Jagiellonian U.; Jan Kochanowski U.; KEK, Tsukuba; KIT, Karlsruhe; NNRC, Baku; Notre Dame U.; Okayama U.; Oslo U.; Paris U., VI-VII; Pittsburgh U.; Silesia U.; Sofiya U.; Unlisted; Warsaw U.; Warsaw U. of Tech. (main); Warsaw, Inst. Nucl. Studies; Wigner RCP, Budapest; Wroclaw U.
Sponsoring Organization:
US Department of Energy
Grant/Contract Number:
89243024CSC000002; AC02-07CH11359
OSTI ID:
2468679
Report Number(s):
FERMILAB-PUB-24-0713-AD; oai:inspirehep.net:2762094; arXiv:2402.17025
Journal Information:
Eur.Phys.J.C, Journal Name: Eur.Phys.J.C Journal Issue: 8 Vol. 84
Country of Publication:
United States
Language:
English

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