Exploring the Phase Space of Jet Splittings at ALICE using Grooming and Recursive Techniques

Andrews H. A., Acharya S., Acosta F. T., Adamova D., Adolfsson J., Aggarwal M. M., ...More

NUCLEAR PHYSICS A, vol.982, pp.587-590, 2019 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 982
  • Publication Date: 2019
  • Doi Number: 10.1016/j.nuclphysa.2018.09.007
  • Journal Name: NUCLEAR PHYSICS A
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.587-590
  • Bursa Uludag University Affiliated: No


Hard splittings in the evolution of a hard scattered parton may be modified by the presence of a dense strongly interacting medium. Grooming procedures can be used to isolate such hard components of a jet and allows one to focus on the two subjets resulting from a sufficiently hard partonic splitting. Measurements of the symmetry parameter (z(g)), angular separation (R-g) and number of splittings (n(SD)) of Soft Drop groomed jets are reported as measured with the ALICE Detector in pp and Pb-Pb collisions at root s = 7 TeV and root s(NN) = 2.76 TeV, respectively. The use of recursive splittings and their mappings to identify interesting regions of phase space in the z(g) - Rg plane are also discussed.