Cross-correlating 2MASS Redshift Survey galaxies with the ultrahigh energy cosmic ray flux from Pierre Auger Observatory

被引：2
|
作者：
Motloch, Pavel [1 ]
机构：
[1] Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada
来源：
PHYSICAL REVIEW D | 2020年 / 102卷 / 04期
关键词：
POWER SPECTRUM; ANISOTROPY;
D O I：
10.1103/PhysRevD.102.043014
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We apply a recently proposed cross-correlation power spectrum technique to study relationship between the ultrahigh energy cosmic ray (UHECR) flux from the Pierre Auger Observatory and galaxies from the 2MASS Redshift Survey. Using a simple linear bias model relative to the galaxy auto power spectrum, we are able to constrain the value of bias to be less than 1% for UHECR with energies 4-8 EeV, less than 2.3% for UHECR with energies above 8 EeV and less than 21% for UHECR with energies above 52 EeV (all 95% confidence limit). We study energy dependence of the bias, but the small sample size does not allow us to reach any statistically significant conclusions. For the cosmic ray events above 52 EeV, we discover a curious excess cross-correlation at similar to 1 degrees degree scales. Given similar cross-correlation is not visible at larger angular scales, statistical fluctuation seems like the most plausible explanation.
引用
收藏
页数：7
相关论文
共 13 条
  • [1] Improved limit to the diffuse flux of ultrahigh energy neutrinos from the Pierre Auger Observatory
    Aab, A.
    Abreu, P.
    Aglietta, M.
    Ahn, E. J.
    Al Samarai, I.
    Albuquerque, I. F. M.
    Allekotte, I.
    Allison, P.
    Almela, A.
    Castillo, J. Alvarez
    Alvarez-Muniz, J.
    Batista, R. Alves
    Ambrosio, M.
    Aminaei, A.
    Anchordoqui, L.
    Andringa, S.
    Aramo, C.
    Aranda, V. M.
    Arqueros, F.
    Arsene, N.
    Asorey, H.
    Assis, P.
    Aublin, J.
    Ave, M.
    Avenier, M.
    Avila, G.
    Awal, N.
    Badescu, A. M.
    Barber, K. B.
    Baeuml, J.
    Baus, C.
    Beatty, J. J.
    Becker, K. H.
    Bellido, J. A.
    Berat, C.
    Bertaina, M. E.
    Bertou, X.
    Biermann, P. L.
    Billoir, P.
    Blaess, S. G.
    Blanco, A.
    Blanco, M.
    Bleve, C.
    Bluemer, H.
    Bohacova, M.
    Boncioli, D.
    Bonifazi, C.
    Borodi, N.
    Brack, J.
    Brancus, I.
    PHYSICAL REVIEW D, 2015, 91 (09)
  • [2] Upper limit on the diffuse flux of ultrahigh energy tau neutrinos from the Pierre Auger Observatory
    Abraham, J.
    Abreu, P.
    Aglietta, M.
    Aguirre, C.
    Allard, D.
    Allekotte, I.
    Allen, J.
    Allison, P.
    Alvarez-Muniz, J.
    Ambrosio, M.
    Anchordoqui, L.
    Andringa, S.
    Anzalone, A.
    Aramo, C.
    Argiro, S.
    Arisaka, K.
    Armengaud, E.
    Arneodo, F.
    Arqueros, F.
    Asch, T.
    Asorey, H.
    Assis, P.
    Atulugama, B. S.
    Aublin, J.
    Ave, M.
    Avila, G.
    Baecker, T.
    Badagnani, D.
    Barbosa, A. F.
    Barnhill, D.
    Barroso, S. L. C.
    Bauleo, P.
    Beatty, J. J.
    Beau, T.
    Becker, B. R.
    Becker, K. H.
    Bellido, J. A.
    BenZvi, S.
    Berat, C.
    Bergmann, T.
    Bernardini, P.
    Bertou, X.
    Biermann, P. L.
    Billoir, P.
    Blanch-Bigas, O.
    Blanco, F.
    Blasi, P.
    Bleve, C.
    Bluemer, H.
    Bohacova, M.
    PHYSICAL REVIEW LETTERS, 2008, 100 (21)
  • [3] First estimate of the primary cosmic ray energy spectrum above 3 EeV from the Pierre Auger Observatory
    Sommers, P.
    Proceedings of the 29th International Cosmic Ray Conference Vol 7: HE 1.4, 2005, : 387 - 390
  • [4] Constraints on neutrino emission from nearby galaxies using the 2MASS redshift survey and IceCube
    Aartsen, M. G.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Ahrens, M.
    Alispach, C.
    Andeen, K.
    Anderson, T.
    Ansseau, I
    Anton, G.
    Arguelles, C.
    Auffenberg, J.
    Axani, S.
    Backes, P.
    Bagherpour, H.
    Bai, X.
    Balagopal, A.
    Barbano, A.
    Barwick, S. W.
    Bastian, B.
    Baum, V
    Baur, S.
    Bay, R.
    Beatty, J. J.
    Becker, K-H
    Tjus, J. Becker
    BenZvi, S.
    Berley, D.
    Bernardini, E.
    Besson, D. Z.
    Binder, G.
    Bindig, D.
    Blaufuss, E.
    Blot, S.
    Bohm, C.
    Boser, S.
    Botner, O.
    Boettcher, J.
    Bourbeau, E.
    Bourbeau, J.
    Bradascio, F.
    Braun, J.
    Bron, S.
    Brostean-Kaiser, J.
    Burgman, A.
    Buscher, J.
    Busse, R. S.
    Carver, T.
    Chen, C.
    JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2020, (07):
  • [5] Study of Galactic interactions and propagation properties of ultrahigh energy cosmic rays using the precision spectrum from the Pierre Auger Observatory
    Gao, Weikang
    Li, Dan
    Yue, Hua
    Liu, Wei
    Hu, Hongbo
    PHYSICAL REVIEW D, 2024, 109 (08)
  • [6] The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory
    Abreu, P.
    Aglietta, M.
    Ahn, E. J.
    Albuquerque, L. F. M.
    Allard, D.
    Allekotte, I.
    Allen, J.
    Allison, P.
    Alvarez Castio, J.
    Alvarez-Muniz, J.
    Ambrosio, M.
    Amianei, A.
    Anchordoqui, L.
    Andringa, S.
    Anticic, T.
    Anzalone, A.
    Aramo, C.
    Arganda, E.
    Arqueros, F.
    Asorey, H.
    Assis, P.
    Aublin, J.
    Ave, M.
    Avenier, M.
    Avila, G.
    Baecker, T.
    Balzer, M.
    Barber, K. B.
    Barbosa, A. F.
    Bardenet, R.
    Barroso, S. L. C.
    Baughman, B.
    Baeuml, J.
    Beatty, J. J.
    Becker, B. R.
    Becker, K. H.
    Belletoile, A.
    Bellido, J. A.
    BenZvi, S.
    Berat, C.
    Bertou, X.
    Biermann, P. L.
    Billoir, P.
    Blanco, F.
    Blanco, M.
    Bleve, C.
    Bluemer, H.
    Bohacova, M.
    Boncioli, D.
    Bonifazi, C.
    JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2011, (11):
  • [7] The ultra-high-energy cosmic-ray sky above 32 EeV viewed from the Pierre Auger Observatory
    Biteau, Jonathan
    37TH INTERNATIONAL COSMIC RAY CONFERENCE, ICRC2021, 2022,
  • [8] Recent results from the Pierre Auger Observatory on the mass composition and hadronic interactions of ultra-high energy cosmic rays
    Yushkov, Alexey
    ISVHECRI 2016 - XIX INTERNATIONAL SYMPOSIUM ON VERY HIGH ENERGY COSMIC RAY INTERACTIONS, 2017, 145
  • [9] Cross-correlating CMB temperature fluctuations with high-energy gamma-ray flux from Dark-Matter annihilation
    Pieri, L.
    NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS, 2013, 36 (04): : 93 - 97
  • [10] The linear velocity field of 2MASS Redshift Survey, Ks=11.75 galaxies: constraints on β and bulk flow from the luminosity function
    Branchini, Enzo
    Davis, Marc
    Nusser, Adi
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2012, 424 (01) : 472 - 481
12