{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.93877.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/1788620"}},{"@id":"https://doi.org/10.1007/JHEP07(2020)116","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2020","description":"The transverse energy ($E_\\mathrm{T}^{\\gamma}$) spectra of photons isolated from other particles are measured using proton-proton (pp) and lead-lead (PbPb) collisions at the LHC at $\\sqrt{s_\\mathrm{NN}} =$ 5.02 TeV with integrated luminosities of 27.4 pb$^{-1}$and 404 $\\mu$b$^{-1}$ for pp and PbPb data, respectively. The results are presented for photons with 25 $<$ $E_\\mathrm{T}^{\\gamma}$ $<$ 200 GeV in the pseudorapidity range $|\\eta|$ $<$ 1.44, and for different centrality intervals for PbPb collisions. Photon production in PbPb collisions is consistent with that in pp collisions scaled by the number of binary nucleon-nucleon collisions, demonstrating that photons do not interact with the quark-gluon plasma. Therefore, isolated photons can provide information about the initial energy of the associated parton in photon+jet measurements. The results are compared with predictions from the next-to-leading-order JETPHOX generator for different parton distribution functions (PDFs) and nuclear PDFs (nPDFs). The comparisons can help to constrain the nPDFs global fits.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.93877.v1/t1","@type":"Dataset","description":"Isolated photon spectra measured as a function of $E_{T}^{\\gamma}$ for 0\u201310%, 10\u201330%, 30\u2013 50%, 50\u2013100%, and 0\u2013100% PbPb collisions (scaled...","name":"Figure 3"},{"@id":"https://doi.org/10.17182/hepdata.93877.v1/t2","@type":"Dataset","description":"Isolated photon cross section measured as a function of $E_{T}^{\\gamma}$ in pp collisions at 5.02TeV.","name":"Figure 4"},{"@id":"https://doi.org/10.17182/hepdata.93877.v1/t3","@type":"Dataset","description":"Nuclear modification factors $R_{AA}$ as a function of $E_{T}^{\\gamma}$ measured in the 0\u201310%, 10\u201330%, 30\u201350%, and 50\u2013100% centrality ranges in...","name":"Figure 5"},{"@id":"https://doi.org/10.17182/hepdata.93877.v1/t4","@type":"Dataset","description":"Nuclear modification factors $R_{AA}$ as a function of $E_{T}^{\\gamma}$ measured in the 0\u2013100% centrality ranges in PbPb.","name":"Figure 6"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins1788620?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/93877"}],"inLanguage":"en","name":"The production of isolated photons in PbPb and pp collisions at $\\sqrt{s_\\mathrm{NN}} =$ 5.02 TeV","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins1788620?version=1","version":1}