@article{3181804, title = "Measurements of low-p(T) electrons from semileptonic heavy-flavour hadron decays at mid-rapidity in pp and Pb-Pb collisions at root s(NN)=2.A76 TeV", author = "Acharya, S. and Acosta, F. T. and Adamova, D. and Adolfsson, J. and and Aggarwal, M. M. and Rinella, G. Aglieri and Agnello, M. and Agrawal, N. and and Ahammed, Z. and Ahn, S. U. and Aiola, S. and Akindinov, A. and and Al-Turany, M. and Alam, S. N. and Albuquerque, D. S. D. and Aleksandrov, and D. and Alessandro, B. and Molina, R. Alfaro and Ali, Y. and Alici, A. and and Alkin, A. and Alme, J. and Alt, T. and Altenkamper, L. and and Altsybeev, I. and Anaam, M. N. and Andrei, C. and Andreou, D. and and Andrews, H. A. and Andronic, A. and Angeletti, M. and Anguelov, V. and and Anson, C. and Anticic, T. and Antinori, F. and Antonioli, P. and Anwar, and R. and Apadula, N. and Aphecetche, L. and Appelshauser, H. and Arcelli, and S. and Arnaldi, R. and Arnold, O. W. and Arsene, I. C. and Arslandok, M. and and Augustinus, A. and Averbeck, R. and Azmi, M. D. and Badala, A. and and Baek, Y. W. and Bagnasco, S. and Bailhache, R. and Bala, R. and and Baldisseri, A. and Ball, M. and Baral, R. C. and Barbano, A. M. and and Barbera, R. and Barile, F. and Barioglio, L. and Barnafoldi, G. G. and and Barnby, L. S. and Barret, V. and Bartalini, P. and Barth, K. and and Bartsch, E. and Bastid, N. and Basu, S. and Batigne, G. and Batyunya, B. and and Batzing, P. C. and Alba, J. L. Bazo and Bearden, I. G. and Beck, H. and and Bedda, C. and Behera, N. K. and Belikov, I. and Bellini, F. and and Martinez, H. Bello and Bellwied, R. and Beltran, L. G. E. and Belyaev, and V. and Bencedi, G. and Beole, S. and Bercuci, A. and Berdnikov, Y. and and Berenyi, D. and Bertens, R. A. and Berzano, D. and Betev, L. and and Bhaduri, P. P. and Bhasin, A. and Bhat, I. 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B. and and Zinovjev, G. and Zmeskal, J. and Zou, S. and ALICE Collaboration", journal = "Journal of High Energy Physics", year = "2018", number = "10", publisher = "Springer-Verlag", issn = "1126-6708, 1029-8479", doi = "10.1007/JHEP10(2018)061", keywords = "Heavy Ion Experiments", abstract = "Transverse-momentum (p(T)) differential yields of electrons from semileptonic heavy-flavour hadron decays have been measured in the most central (0-10%) and in semi-central (20-40%) Pb-Pb collisions at TeV. The corresponding production cross section in pp collisions has been measured at the same energy with substantially reduced systematic uncertainties with respect to previously published results. The modification of the yield in Pb-Pb collisions with respect to the expectation from an incoherent superposition of nucleon-nucleon collisions is quantified at mid-rapidity (|y| < 0.8) in the p(T) interval 0.5-3 GeV/c via the nuclear modification factor, R-AA. This paper extends the p(T) reach of the R-AA measurement towards significantly lower values with respect to a previous publication. In Pb-Pb collisions the p(T)-differential measurements of yields at low p(T) are essential to investigate the scaling of heavy-flavour production with the number of binary nucleon-nucleon collisions. Heavy-quark hadronization, a collective expansion and even initial-state effects, such as the nuclear modification of the Parton Distribution Function, are also expected to have a significant effect on the measured distribution." }