Multi-Regge kinematics and azimuthal angle observables for inclusive four-jet production
EntityUAM. Departamento de Física Teórica
PublisherSpringer New York LLC
10.1140/epjc/s10052-016-3963-6European Physical Journal C 76.3 (2016): 165
ISSN1434-6052 (online); 1434-6044 (print)
Funded byG.C. acknowledges support from the MICINN, Spain, under contract FPA 2013-44773-P. A.S.V. acknowledges support from Spanish Government (MICINN (FPA2010-17747, FPA 201232828)) and, together with F.C. and F.G.C., to the Spanish MINECO Centro de Excelencia Severo Ochoa Programme (SEV-2012-0249)
ProjectGobierno de España. SEV-2012-0249; Gobierno de España. FPA2013-44773-P; Gobierno de España. FPA2010-17747; Gobierno de España. FPA2012- 32828
SubjectsMulti-Regge kinematics; Azimuthal angle; Jet production; Inclusive production; Física
Rights© 2016, The Author(s)
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.
We evaluate differential cross sections for production of four jets in multi-Regge kinematics at a hadron collider. The main focus lies on the azimuthal angle dependences. As in previous studies, the ratios of correlation functions of products of cosines of azimuthal angle differences among the tagged jets offer us the cleanest quantities to compare with the experimental data. The calculations are based on the jet production from a single BFKL ladder with a convolution of three BFKL Green functions where we always have two forward/backward jets tagged in the final state. We also demand the tagging of two further jets in more central regions of the detectors with a relative separation in rapidity from each other, plus the inclusive production of an arbitrary number of mini-jets. We show that dependences on the transverse momenta and rapidity of the two central jets can be a distinct signal of the onset of BFKL dynamics
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