{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.153850.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2840007"}},{"@id":"https://doi.org/10.1007/JHEP04(2025)109","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2024","description":"A search for heavy, long-lived, charged particles with large ionization energy loss within the silicon tracker of the CMS experiment is presented. A data set of proton-proton collisions at a center of mass energy at $\\sqrt{s} = 13~\\mathrm{TeV}$, collected in 2017 and 2018 at the CERN LHC, corresponding to an integrated luminosity of $101~\\mathrm{fb}^{-1}$, is used in this analysis. Two different approaches for the search are taken. A new method exploits the independence of the silicon pixel and strips measurements, while the second method improves on previous techniques using ionization to determine a mass selection. No significant excess of events above the background expectation is observed. The results are interpreted in the context of the pair production of supersymmetric particles, namely gluinos, top squarks, and tau sleptons, and of the Drell--Yan pair production of fourth generation ($\\tau'$) leptons with an electric charge equal to or twice the absolute value of the electron charge ($e$). An interpretation of a $\\mathrm{Z'}$ boson decaying to two $\\tau'$ leptons with an electric charge equal to $2e$ is presented for the first time. The $95\\%$ confidence upper limits on the production cross section are extracted for each of these hypothetical particles.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t1","@type":"Dataset","description":"The $F_{\\text{i}}^{\\text{Pixels}}$ vs $G_{\\text{i}}^{\\text{Strips}}$ distribution for the SM MC after passing the selection criteria listed in Table 2.","name":"Figure 1 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t2","@type":"Dataset","description":"The $F_{\\text{i}}^{\\text{Pixels}}$ vs $G_{\\text{i}}^{\\text{Strips}}$ distribution the 1800 GeV mass gluino R-hadron (right), after passing the selection criteria listed in Table...","name":"Figure 1 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t3","@type":"Dataset","description":"The $G_{\\text{i}}^{\\text{Strips}}$ distribution in the FAIL region for events passing the event selection and with $55 < p_{\\mathrm{T}} < 200$...","name":"Figure 2 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t4","@type":"Dataset","description":"The $G_{\\text{i}}^{\\text{Strips}}$ distribution in the PASS region for events passing the event selection and with $55 < p_{\\mathrm{T}} < 200$...","name":"Figure 2 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t5","@type":"Dataset","description":"The $G_{\\text{i}}^{\\text{Strips}}$ distribution in the FAIL region for events passing the event selection and with $p_{\\mathrm{T}} > 200$ GeV.","name":"Figure 4 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t6","@type":"Dataset","description":"The $G_{\\text{i}}^{\\text{Strips}}$ distribution in the PASS region for events passing the event selection and with $p_{\\mathrm{T}} > 200$ GeV.","name":"Figure 4 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t7","@type":"Dataset","description":"Mass spectrum predicted in the signal region defined by $G_{\\text{i}}^{\\text{Strips}} > 0.22$ and $p_{\\mathrm{T}} > 70$ GeV.","name":"Figure 5"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t8","@type":"Dataset","description":"Cross section limits for gluino and supersymmetric top R-hadrons for both background prediction methods.","name":"Figure 6 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t9","@type":"Dataset","description":"Cross section limits for supersymmetric tau models for both background prediction methods.","name":"Figure 6 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t10","@type":"Dataset","description":"Cross section limits for DY-produced tau prime models (single and multicharged) for both background prediction methods.","name":"Figure 7 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t11","@type":"Dataset","description":"Cross section limits for Z prime to multicharged tau prime model for both background prediction methods. All Z prime models...","name":"Figure 7 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t12","@type":"Dataset","description":"2D exclusion showing the observed cross section limit as a function of the multicharged tau prime mass and Z prime...","name":"Figure 8 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t13","@type":"Dataset","description":"2D exclusion showing the observed cross section limit as a function of the multicharged tau prime mass and Z prime...","name":"Figure 8 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t14","@type":"Dataset","description":"Cumulative selection efficiency for the data and for two signal hypotheses.","name":"Table 2"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t15","@type":"Dataset","description":"Expected and observed mass limits obtained using 2017-2018 data for various HSCP candidate models,for the two background estimate methods.","name":"Table 3"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t16","@type":"Dataset","description":"Mass windows used in the mass method as a function of the signal target mass for the signal samples assuming...","name":"Appendix Figure 9"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t17","@type":"Dataset","description":"Mass spectrum predicted in the validation region defined by $0.018 < G_{\\text{i}}^{\\text{Strips}} < 0.057$ and $p_{\\mathrm{T}} > 70$ GeV. The...","name":"Appendix Figure 10"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t18","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $\\text{abs(}\\eta\\text{)}<0.3$. The up and down variations are conservatively...","name":"Appendix Figure 11 top left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t19","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $0.3<\\text{abs(}\\eta\\text{)}<0.6$. The up and down variations are conservatively...","name":"Appendix Figure 11 top middle"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t20","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $0.6<\\text{abs(}\\eta\\text{)}<0.9$. The up and down variations are conservatively...","name":"Appendix Figure 11 top right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t21","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $0.9<\\text{abs(}\\eta\\text{)}<1.2$. The up and down variations are conservatively...","name":"Appendix Figure 11 bottom left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t22","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $1.2<\\text{abs(}\\eta\\text{)}<2.1$. The up and down variations are conservatively...","name":"Appendix Figure 11 bottom middle"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t23","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{g}$ signals as a function of $\\beta$ for $2.1<\\text{abs(}\\eta\\text{)}<2.4$. The up and down variations are conservatively...","name":"Appendix Figure 11 bottom right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t24","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $\\text{abs(}\\eta\\text{)}<0.3$. The up and down variations are conservatively...","name":"Appendix Figure 12 top left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t25","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $0.3<\\text{abs(}\\eta\\text{)}<0.6$. The up and down variations are conservatively...","name":"Appendix Figure 12 top middle"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t26","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $0.6<\\text{abs(}\\eta\\text{)}<0.9$. The up and down variations are conservatively...","name":"Appendix Figure 12 top right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t27","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $0.9<\\text{abs(}\\eta\\text{)}<1.2$. The up and down variations are conservatively...","name":"Appendix Figure 12 bottom left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t28","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $1.2<\\text{abs(}\\eta\\text{)}<2.1$. The up and down variations are conservatively...","name":"Appendix Figure 12 bottom middle"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t29","@type":"Dataset","description":"Trigger efficiency for the $\\tilde{\\tau}$ signals as a function of $\\beta$ for $2.1<\\text{abs(}\\eta\\text{)}<2.4$. The up and down variations are conservatively...","name":"Appendix Figure 12 bottom right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t30","@type":"Dataset","description":"Trigger efficiency as a function of $\\beta$, for the $\\tilde{g}$ signals.","name":"Appendix Figure 13 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t31","@type":"Dataset","description":"Trigger efficiency as a function of $\\beta$, for the $\\tilde{\\tau}$ signals.","name":"Appendix Figure 13 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t32","@type":"Dataset","description":"Cross section limits for $\\tilde{g}$ R-hadrons obtained with the ionization method.","name":"Appendix Figure 14 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t33","@type":"Dataset","description":"Cross section limits for $\\tilde{g}$ R-hadrons obtained with the mass method.","name":"Appendix Figure 14 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with the ionization method.","name":"Appendix Figure 17 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t39","@type":"Dataset","description":"Cross section limits for $\\tilde{\\tau}$ production within the GMSB SPS7 model obtained with the mass method.","name":"Appendix Figure 17 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t40","@type":"Dataset","description":"Cross section limits for DY-produced $\\tau'$ with $abs(Q) = 1e$ with the ionization method.","name":"Appendix Figure 18 left"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t41","@type":"Dataset","description":"Cross section limits for DY-produced $\\tau'$ with $abs(Q) = 1e$ with the mass method.","name":"Appendix Figure 18 right"},{"@id":"https://doi.org/10.17182/hepdata.153850.v1/t42","@type":"Dataset","description":"Cross section limits for DY-produced $\\tau'$ with $abs(Q) = 2e$ with the ionization method.","name":"Appendix Figure 19 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proton-proton collisions at $\\sqrt{s}$ = 13 TeV","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins2840007?version=1","version":1}