| Issue |
EPJ Web Conf.
Volume 141, 2017
XLVI International Symposium on Multiparticle Dynamics (ISMD 2016)
|
|
|---|---|---|
| Article Number | 08009 | |
| Number of page(s) | 4 | |
| Section | Poster Flash Talks | |
| DOI | https://doi.org/10.1051/epjconf/201714108009 | |
| Published online | 12 April 2017 | |
https://doi.org/10.1051/epjconf/201714108009
Photon reconstruction and identification in heavy ion collisions with the CMS detector
Korea University, 145 Anam-ro, Seonbuk-gu, Seoul, Republic of Korea
a e-mail: ygo@cern.ch
Published online: 12 April 2017
Measurement of isolated photon gives a possibility to constrain the nuclear parton distribution functions (nPDF). The isolated photon is also the clear tag in the photon-jet channel for studying in-medium modifications of fragmentation functions of parton initiated jets. The performance of isolated photon reconstruction and identification has been studied in PbPb collisions at √SNN = 5.02 TeV. Trigger, reconstruction and isolation efficiencies are measured in PYTHIA+HYDJET Monte-Carlo simulation. We describe signal template method to determine the purity of isolated photons.
© The Authors, published by EDP Sciences, 2017
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