{"id":32495,"date":"2026-01-21T17:02:05","date_gmt":"2026-01-21T17:02:05","guid":{"rendered":"https:\/\/lamarr-institute.org\/publication\/measurement-of-phi1020-meson-production-in-fixed-target-ptextne-collisions-at-sqrts_nn-68-5textgev\/"},"modified":"2026-06-08T13:20:46","modified_gmt":"2026-06-08T13:20:46","slug":"measurement-of-phi1020-meson-production-in-fixed-target-ptextne-collisions-at-sqrts_nn-68-5textgev","status":"publish","type":"publication","link":"https:\/\/lamarr-institute.org\/de\/publication\/measurement-of-phi1020-meson-production-in-fixed-target-ptextne-collisions-at-sqrts_nn-68-5textgev\/","title":{"rendered":"Measurement of $\\phi(1020)$ Meson Production in Fixed-Target $p\\text{Ne}$ Collisions at $\\sqrt{s_{NN}} = 68.5~\\text{GeV}$"},"content":{"rendered":"<p>The first measurement of $\\phi(1020)$ meson production in fixed-target $p\\text{Ne}$ collisions at $\\sqrt{s_{NN}} = 68.5~\\text{GeV}$ is presented. The $\\phi(1020)$ mesons are reconstructed in their $K^+K^-$ decay in a data sample consisting of proton collisions on neon nuclei at rest, corresponding to an integrated luminosity of $21.7 \\pm 1.4~\\text{nb}^{-1}$, collected by the LHCb detector at CERN. The $\\phi(1020)$ production cross-section in the centre-of-mass rapidity range of $-1.8 < y^\\ast < 0$ and transverse momentum range of $800 < p_T < 6500~\\text{MeV}\/c$ is found to be \\[\\sigma = 182.7 \\pm 2.7~\\text{(stat.)} \\pm 14.1~\\text{(syst.)}~\\mu\\text{b\/nucleon}.\\] A double-differential measurement of the cross-section is also provided in four regions of rapidity and six regions of transverse momentum of the $\\phi(1020)$ meson and compared with the predictions from Pythia and EPOS4, which are found to underestimate the experimental values.\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first measurement of $\\phi(1020)$ meson production in fixed-target $p\\text{Ne}$ collisions at $\\sqrt{s_{NN}} = 68.5~\\text{GeV}$ is presented. The $\\phi(1020)$ mesons are reconstructed in their $K^+K^-$ decay in a data sample consisting of proton collisions on neon nuclei at rest, corresponding to an integrated luminosity of $21.7 \\pm 1.4~\\text{nb}^{-1}$, collected by the LHCb detector at CERN. The $\\phi(1020)$ production cross-section in the centre-of-mass rapidity range of $-1.8 < y^\\ast < 0$ [&hellip;]\n<\/p>\n","protected":false},"author":12,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"publication-type":[30],"class_list":["post-32495","publication","type-publication","status-publish","hentry","publication-type-article"],"acf":[],"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication\/32495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication"}],"about":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/types\/publication"}],"author":[{"embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/users\/12"}],"version-history":[{"count":0,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication\/32495\/revisions"}],"wp:attachment":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/media?parent=32495"}],"wp:term":[{"taxonomy":"publication-type","embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication-type?post=32495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}