{"id":36577,"date":"2026-06-08T13:17:37","date_gmt":"2026-06-08T13:17:37","guid":{"rendered":"https:\/\/lamarr-institute.org\/publication\/measurement-of-the-w-to-munu-cross-sections-as-a-function-of-the-muon-transverse-momentum-in-pp-collisions-at-5-02-tev\/"},"modified":"2026-06-08T13:17:37","modified_gmt":"2026-06-08T13:17:37","slug":"measurement-of-the-w-to-munu-cross-sections-as-a-function-of-the-muon-transverse-momentum-in-pp-collisions-at-5-02-tev","status":"publish","type":"publication","link":"https:\/\/lamarr-institute.org\/de\/publication\/measurement-of-the-w-to-munu-cross-sections-as-a-function-of-the-muon-transverse-momentum-in-pp-collisions-at-5-02-tev\/","title":{"rendered":"Measurement of the $W \\to \\mu\\nu$ cross-sections as a function of the muon transverse momentum in pp collisions at 5.02 TeV"},"content":{"rendered":"<p>The $pp \\to W^{\\pm} (\\to \\mu^{\\pm} \\nu_{\\mu}) X$ cross-sections are measured at a proton-proton centre-of-mass energy $\\sqrt{s} = 5.02$ TeV using a dataset corresponding to an integrated luminosity of 100 pb $^{-1}$ recorded by the LHCb experiment. Considering muons in the pseudorapidity range $2.2 < \\eta < 4.4$, the cross-sections are measured differentially in twelve intervals of muon transverse momentum between $28 < p_\\mathrm{T} < 52$ GeV. Integrated over $p_\\mathrm{T}$, the measured cross-sections are\n\n$\\sigma_{W^+ \\to \\mu^+ \\nu_\\mu} = 300.9 \\pm 2.4 \\pm 3.8 \\pm 6.0~\\text{pb}$, $\\sigma_{W^- \\to \\mu^- \\bar{\\nu}_\\mu} = 236.9 \\pm 2.1 \\pm 2.7 \\pm 4.7~\\text{pb}$, \n\nwhere the first uncertainties are statistical, the second are systematic, and the third are associated with the luminosity calibration. These integrated results are consistent with theoretical predictions.\n\nThis analysis introduces a new method to determine the W-boson mass using the measured differential cross-sections corrected for detector effects. The measurement is performed on this statistically limited dataset as a proof of principle and yields\n\n$m_W = 80369 \\pm 130 \\pm 33~\\text{MeV}$, where the first uncertainty is experimental and the second is theoretical.\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The $pp \\to W^{\\pm} (\\to \\mu^{\\pm} \\nu_{\\mu}) X$ cross-sections are measured at a proton-proton centre-of-mass energy $\\sqrt{s} = 5.02$ TeV using a dataset corresponding to an integrated luminosity of 100 pb $^{-1}$ recorded by the LHCb experiment. Considering muons in the pseudorapidity range $2.2 < \\eta < 4.4$, the cross-sections are measured differentially in twelve intervals of muon transverse momentum between $28 < p_\\mathrm{T} < 52$ GeV. Integrated over $p_\\mathrm{T}$, [&hellip;]\n<\/p>\n","protected":false},"author":12,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"publication-type":[30],"class_list":["post-36577","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\/36577","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\/36577\/revisions"}],"wp:attachment":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/media?parent=36577"}],"wp:term":[{"taxonomy":"publication-type","embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication-type?post=36577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}