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arxiv: 2001.05370 · v3 · pith:N3ORS4VCnew · submitted 2020-01-15 · ⚛️ nucl-ex

K^(*)(892)⁰ meson production in inelastic p+p interactions at 158 GeV/c beam momentum measured by NA61/SHINE at the CERN SPS

NA61/SHINE Collaboration: A. Aduszkiewicz , E.V. Andronov , T. Anti\'ci\'c , V. Babkin , M. Baszczyk , S. Bhosale , A. Blondel , M. Bogomilov
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A. Brandin A. Bravar W. Bryli\'nski J. Brzychczyk M. Buryakov O. Busygina A. Bzdak H. Cherif M. \'Cirkovi\'c M. Csanad J. Cybowska T. Czopowicz A. Damyanova N. Davis M. Deliyergiyev M. Deveaux A. Dmitriev W. Dominik P. Dorosz J. Dumarchez R. Engel G.A. Feofilov L. Fields Z. Fodor A. Garibov M. Ga\'zdzicki O. Golosov V. Golovatyuk M. Golubeva K. Grebieszkow F. Guber A. Haesler S.N. Igolkin S. Ilieva A. Ivashkin S.R. Johnson K. Kadija E. Kaptur N. Kargin E. Kashirin M. Kie{\l}bowicz V.A. Kireyeu V. Klochkov V.I. Kolesnikov D. Kolev A. Korzenev V.N. Kovalenko S. Kowalski M. Koziel A. Krasnoperov W. Kucewicz M. Kuich A. Kurepin D. Larsen A. L\'aszl\'o T.V. Lazareva M. Lewicki K. {\L}ojek B. {\L}ysakowski V.V. Lyubushkin M. Ma\'ckowiak-Paw{\l}owska Z. Majka B. Maksiak A.I. Malakhov D. Mani\'c A. Marcinek A.D. Marino K. Marton H.-J. Mathes T. Matulewicz V. Matveev G.L. Melkumov A.O. Merzlaya B. Messerly {\L}. Mik S. Morozov S. Mr\'owczy\'nski Y. Nagai M. Naskr\k{e}t V. Ozvenchuk V. Paolone O. Petukhov R. P{\l}aneta P. Podlaski B.A. Popov B. Porfy M. Posiada{\l}a-Zezula D.S. Prokhorova D. Pszczel S. Pu{\l}awski J. Puzovi\'c M. Ravonel R. Renfordt E. Richter-W\k{a}s D. R\"ohrich E. Rondio M. Roth B.T. Rumberger M. Rumyantsev A. Rustamov M. Rybczynski A. Rybicki A. Sadovsky K. Schmidt I. Selyuzhenkov A.Yu. Seryakov P. Seyboth M. S{\l}odkowski P. Staszel G. Stefanek J. Stepaniak M. Strikhanov H. Str\"obele T. \v{S}u\v{s}a A. Taranenko A. Tefelska D. Tefelski V. Tereshchenko A. Toia R. Tsenov L. Turko R. Ulrich M. Unger F.F. Valiev D. Veberi\v{c} V.V. Vechernin A. Wickremasinghe Z. W{\l}odarczyk O. Wyszy\'nski E.D. Zimmerman R. Zwaska
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keywords momentumna61shinebeamcerncollisionsdatahadron
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The measurement of $K^{*}(892)^0$ resonance production via its $K^{+}\pi^{-}$ decay mode in inelastic p+p collisions at beam momentum 158 GeV/$c$ ($\sqrt{s_{NN}}=17.3$ GeV) is presented. The data were recorded by the NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron. The \textit{template} method was used to extract the $K^{*}(892)^0$ signal and double differential transverse momentum and rapidity spectra were obtained. The full phase-space mean multiplicity of $K^{*}(892)^0$ mesons was found to be $(78.44 \pm 0.38 \mathrm{(stat)} \pm 6.0 \mathrm{(sys)) \cdot 10^{-3}}$. The NA61/SHINE results are compared with the EPOS1.99 and Hadron Resonance Gas models as well as with world data from p+p and nucleus-nucleus collisions.

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