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Acharya, A.; Adhikary, H.; Allison, K. K.; Amin, N.; Andronov, E. V.; Antićić, T.; Arsene, I. -C.; Baszczyk, M.; Battagia, D.; Bhosale, S.; Blondel, A.; Bogomilov, M.; Bondar, Y.; Bostan, N.; Brandin, A.; Bravar, A.; Bryliński, W.; Brzychczyk, J.; Buryakov, M.; Ćirković, M.; Csanad, M.; Cybowska, J.; Czopowicz, T.; Damyanova, A.; [...]

$$K^{*}(892)^0$$ meson production in inelastic p+p interactions at 40 and 80 $$\text{ GeV }\!/\!c$$ beam momenta measured by NA61/SHINE at the CERN SPS

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  • Media type: E-Article
  • Title: $$K^{*}(892)^0$$ meson production in inelastic p+p interactions at 40 and 80 $$\text{ GeV }\!/\!c$$ beam momenta measured by NA61/SHINE at the CERN SPS
  • Contributor: Acharya, A.; Adhikary, H.; Allison, K. K.; Amin, N.; Andronov, E. V.; Antićić, T.; Arsene, I. -C.; Baszczyk, M.; Battagia, D.; Bhosale, S.; Blondel, A.; Bogomilov, M.; Bondar, Y.; Bostan, N.; Brandin, A.; Bravar, A.; Bryliński, W.; Brzychczyk, J.; Buryakov, M.; Ćirković, M.; Csanad, M.; Cybowska, J.; Czopowicz, T.; Damyanova, A.; [...]
  • Published: Springer Science and Business Media LLC, 2022
  • Published in: The European Physical Journal C, 82 (2022) 4
  • Language: English
  • DOI: 10.1140/epjc/s10052-022-10281-5
  • ISSN: 1434-6052
  • Origination:
  • Footnote:
  • Description: AbstractMeasurements of $$K^{*}(892)^0$$ K ∗ ( 892 ) 0 resonance production via its $$K^{+}\pi ^{-}$$ K + π - decay mode in inelastic p+p collisions at beam momenta 40 and 80 $$\text{ GeV }\!/\!c$$ GeV / c ($$\sqrt{s_{NN}}=8.8$$ s NN = 8.8 and 12.3 $$\text{ GeV }$$ GeV ) are presented. The data were recorded by the NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron. The template method was used to extract the $$K^{*}(892)^0$$ K ∗ ( 892 ) 0 signal. Transverse momentum and rapidity spectra were obtained. The mean multiplicities of $$K^{*}(892)^0$$ K ∗ ( 892 ) 0 mesons were found to be $$(35.1 \pm 1.3 \mathrm {(stat)} \pm 3.6 \mathrm {(sys))} \cdot 10^{-3}$$ ( 35.1 ± 1.3 ( stat ) ± 3.6 ( sys ) ) · 10 - 3 at 40 $$\text{ GeV }\!/\!c$$ GeV / c and $$(58.3 \pm 1.9 \mathrm {(stat)} \pm 4.9 \mathrm {(sys))} \cdot 10^{-3}$$ ( 58.3 ± 1.9 ( stat ) ± 4.9 ( sys ) ) · 10 - 3 at 80 $$\text{ GeV }\!/\!c$$ GeV / c . The NA61/SHINE results are compared with the Epos1.99 and Hadron Resonance Gas models as well as with world data. The transverse mass spectra of $$K^{*}(892)^0$$ K ∗ ( 892 ) 0 mesons and other particles previously reported by NA61/SHINE were fitted within the Blast-Wave model. The transverse flow velocities are close to 0.1–0.2 of the speed of light and are significantly smaller than the ones determined in heavy nucleus-nucleus interactions at the same beam momenta.
  • Access State: Open Access