@article{3185936,
    title = "Azimuthal Anisotropy of Heavy-Flavor Decay Electrons in p-Pb Collisions
at root s(NN)=5.02 TeV",
    author = "Acharya, S. and Adamova, D. and Adolfsson, J. and Aggarwal, M. M. and and Rinella, G. Aglieri and Agnello, M. and Agrawal, N. and Ahammed, Z. and and Ahn, S. U. and Aiola, S. and Akindinov, A. and Al-Turany, M. and Alam, and S. N. and Albuquerque, D. S. D. and Aleksandrov, D. and Alessandro, B. and and Alfaro Molina, R. and Ali, Y. and Alici, A. and Alkin, A. and Alme, and J. and Alt, T. and Altenkamper, L. and Altsybeev, I and Anaam, M. N. and and Andrei, C. and Andreou, D. and Andrews, H. A. and Andronic, A. and and Angeletti, M. and Anguelov, V and Anson, C. and Anticic, T. and and Antinori, F. and Antonioli, P. and Anwar, R. and Apadula, N. and and Aphecetche, L. and Appelshaeuser, H. and Arcelli, S. and Arnaldi, R. and and Arnold, O. W. and Arsene, I. C. and Arslandok, M. and Augustinus, A. and and Averbeck, R. and Azmi, M. D. and Badala, A. and Baek, Y. W. and and Bagnasco, S. and Bailhache, R. and Bala, R. and Baldisseri, A. and Ball, and M. and Baral, R. C. and Barbano, A. M. and Barbera, R. and Barile, F. and and Barioglio, L. and Barnafoldi, G. G. and Barnby, L. S. and Barret, V and and Bartalini, P. and Barth, K. and Bartsch, E. and Bastid, N. and Basu, and S. and Batigne, G. and Batyunya, B. and Batzing, P. C. and Bazo Alba, J. and L. and Bearden, I. G. and Beck, H. and Bedda, C. and Behera, N. K. and and Belikov, I and Bellini, F. and Bello Martinez, H. and Bellwied, R. and and Beltran, L. G. E. and Belyaev, V and Bencedi, G. and Beole, S. and and Bercuci, A. and Berdnikov, Y. and Berenyi, D. and Bertens, R. A. and and Berzano, D. and Betev, L. and Bhaduri, P. P. and Bhasin, A. and Bhat, I. and R. and Bhatt, H. and Bhattacharjee, B. and Bhom, J. and Bianchi, A. and and Bianchi, L. and Bianchi, N. and Bielcik, J. and Bielcikova, J. and and Bilandzic, A. and Biro, G. and Biswas, R. and Biswas, S. and Blair, J. and T. and Blau, D. and Blume, C. and Boca, G. and Bock, F. and Bogdanov, A. and and Boldizsar, L. and Bombara, M. and Bonomi, G. and Bonora, M. and and Borel, H. and Borissov, A. and Borri, M. and Botta, E. and Bourjau, C. and and Bratrud, L. and Braun-Munzinger, P. and Bregant, M. and Broker, T. and A. and Broz, M. and Brucken, E. J. and Bruna, E. and Bruno, G. E. and and Budnikov, D. and Buesching, H. and Bufalino, S. and Buhler, P. and and Buncic, P. and Busch, O. and Buthelezi, Z. and Butt, J. B. and Buxton, and J. T. and Cabala, J. and Caffarri, D. and Caines, H. and Caliva, A. and and Calvo Villar, E. and Camacho, R. S. and Camerini, P. and Capon, A. 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H. and and Yurchenko, V and Zaccolo, V and Zaman, A. and Zampolli, C. and Zanoli, and H. J. C. and Zardoshti, N. and Zarochentsev, A. and Zavada, P. and and Zaviyalov, N. and Zbroszczyk, H. and Zhalov, M. and Zhang, X. and Zhang, and Y. and Zhang, Z. and Zhao, C. and Zherebchevskii, V and Zhigareva, N. and and Zhou, D. and Zhou, Y. and Zhou, Z. and Zhu, H. and Zhu, J. and Zhu, and Y. and Zichichi, A. and Zimmermann, M. B. and Zinovjev, G. and Zmeskal, and J. and Zou, S. and ALICE Collaboration",
    journal = "Physical Review and Physical Review Letters Index",
    year = "2019",
    volume = "122",
    number = "7",
    publisher = "AMER PHYSICAL SOC",
    issn = "0094-0003",
    doi = "10.1103/PhysRevLett.122.072301",
    abstract = "Angular conclations between heavy-flavor decay electrons and charged
particles at midrapidity (vertical bar eta vertical bar < 0.8) are
measured in p-Pb collisions at root s(NN) = 5.02 TeV. The analysis is
carried out for the 0%-20% (high) and 60%-100% (low) multiplicity
ranges. The jet contribution in the correlation distribution from
high-multiplicity events is removed by subtracting the distribution from
low-multiplicity events. An azimuthal modulation remains after removing
the jet contribution, similar to previous observations in two-particle
angular correlation measurements for light-flavor hadrons. A Fourier
decomposition of the modulation results in a positive second-order
coefficient (nu(2)) for heavy-flavor decay electrons in the transverse
momentum interval 1.5 < p(T) < 4 GeV/c in high-multiplicity events, with
a significance larger than 5 sigma. The results are compared with those
of charged particles at midrapidity and those of inclusive muons at
forward rapidity. The nu(2) measurement of open heavy-flavor particles
at midrapidity in small collision systems could provide crucial
information to help interpret the anisotropies observed in such systems."
}