Related papers: Small-scale anisotropies of cosmic rays from relat…

Small scale contributions to CMB: A coherent analysis

We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially at small scales, to secondary effects…

Astrophysics · Physics 2007-05-23 Marian Douspis , Nabila Aghanim , Mathieu Langer

Magnetic diffusion effects on the Ultra-High Energy Cosmic Ray spectrum and composition

We discuss the effects of diffusion of high energy cosmic rays in turbulent extra-galactic magnetic fields. We find an approximate expression for the low energy suppression of the spectrum of the different mass components (with charge $Z$)…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Silvia Mollerach , Esteban Roulet

Extinction of the TeV Gamma-Ray Background by Sunlight

I show that pair production on sunlight introduces a sizable anisotropy in the cosmic background of TeV gamma-rays. The anisotropy amplitude in the direction of the Sun exceeds the cosmic dipole anisotropy from the motion of the Sun…

High Energy Physics - Phenomenology · Physics 2022-07-05 Abraham Loeb

Composition Sensitivity (for the Cosmic Ray Anisotropy with SWGO)

A number of cosmic-ray observatories have measured a change in both phase and amplitude of the dipole component in the distribution of cosmic-ray arrival directions above a primary energy of 100 TeV. We focus on probing the cosmic-ray…

High Energy Astrophysical Phenomena · Physics 2021-08-23 A. M. Taylor , G. Giacinti , P. Desiati , J. C. Diaz Velez , A. Chiavassa , G. Di Sciascio , J. C. Arteaga Velazquez , S. Kunwar

Observation of Cosmic Ray Anisotropy with the IceTop Air Shower Array

We report on the observation of anisotropy in the arrival direction distribution of cosmic rays at PeV energies. The analysis is based on data taken between 2009 and 2012 with the IceTop air shower array at the South Pole. IceTop, an…

High Energy Astrophysical Phenomena · Physics 2013-02-19 IceCube Collaboration , M. G. Aartsen , R. Abbasi , Y. Abdou , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , D. Altmann , K. Andeen , J. Auffenberg , X. Bai , M. Baker , S. W. Barwick , V. Baum , R. Bay , K. Beattie , J. J. Beatty , S. Bechet , J. Becker Tjus , K. -H. Becker , M. Bell , M. L. Benabderrahmane , S. BenZvi , J. Berdermann , P. Berghaus , D. Berley , E. Bernardini , D. Bertrand , D. Z. Besson , D. Bindig , M. Bissok , E. Blaufuss , J. Blumenthal , D. J. Boersma , S. Bohaichuk , C. Bohm , D. Bose , S. Böser , O. Botner , L. Brayeur , A. M. Brown , R. Bruijn , J. Brunner , M. Carson , J. Casey , M. Casier , D. Chirkin , B. Christy , K. Clark , F. Clevermann , S. Cohen , D. F. Cowen , A. H. Cru. Silva , M. Danninger , J. Daughhetee , J. C. Davis , C. D. Clercq , S. D. Ridder , F. Descamps , P. Desiati , G. d. Vries-Uiterweerd , T. DeYoung , J. C. Díaz-Vélez , J. Dreyer , J. P. Dumm , M. Dunkman , R. Eagan , J. Eisch , R. W. Ellsworth , O. Engdegård , S. Euler , P. A. Evenson , O. Fadiran , A. R. Fazely , A. Fedynitch , J. Feintzeig , T. Feusels , K. Filimonov , C. Finley , T. Fischer-Wasels , S. Flis , A. Franckowiak , R. Franke , K. Frantzen , T. Fuchs , T. K. Gaisser , J. Gallagher , L. Gerhardt , L. Gladstone , T. Glüsenkamp , A. Goldschmidt , G. Golup , J. A. Goodman , D. Góra , D. Grant , A. Groß , S. Grullon , M. Gurtner , C. Ha , A. Ha. Ismail , A. Hallgren , F. Halzen , K. Hanson , D. Heereman , P. Heimann , D. Heinen , K. Helbing , R. Hellauer , S. Hickford , G. C. Hill , K. D. Hoffman , R. Hoffmann , A. Homeier , K. Hoshina , W. Huelsnitz , P. O. Hulth , K. Hultqvist , S. Hussain , A. Ishihara , E. Jacobi , J. Jacobsen , G. S. Japaridze , O. Jlelati , A. Kappes , T. Karg , A. Karle , J. Kiryluk , F. Kislat , J. Kläs , S. R. Klein , J. -H. Köhne , G. Kohnen , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , M. Krasberg , G. Kroll , J. Kunnen , N. Kurahashi , T. Kuwabara , M. Labare , H. Landsman , M. J. Larson , R. Lauer , M. Lesiak-Bzdak , J. Lünemann , J. Madsen , R. Maruyama , K. Mase , H. S. Matis , F. McNally , K. Meagher , M. Merck , P. Mészáros , T. Meures , S. Miarecki , E. Middell , N. Milke , J. Miller , L. Mohrmann , T. Montaruli , R. Morse , R. Nahnhauer , U. Naumann , S. C. Nowicki , D. R. Nygren , A. Obertacke , S. Odrowski , A. Olivas , M. Olivo , A. O'Murchadha , S. Panknin , L. Paul , J. A. Pepper , C. Pérez de los Heros , D. Pieloth , N. Pirk , J. Posselt , P. B. Price , G. T. Przybylski , L. Rädel , K. Rawlins , P. Redl , E. Resconi , W. Rhode , M. Ribordy , M. Richman , B. Riedel , J. P. Rodrigues , F. Rothmaier , C. Rott , T. Ruhe , B. Ruzybayev , D. Ryckbosch , S. M. Saba , T. Salameh , H. -G. Sander , M. Santander , S. Sarkar , K. Schatto , M. Scheel , F. Scheriau , T. Schmidt , M. Schmitz , S. Schoenen , S. Schöneberg , L. Schönherr , A. Schönwald , A. Schukraft , L. Schulte , O. Schulz , D. Seckel , S. H. Seo , Y. Sestayo , S. Seunarine , C. Sheremata , M. W. E. Smith , M. Soiron , D. Soldin , G. M. Spiczak , C. Spiering , M. Stamatikos , T. Stanev , A. Stasik , T. Stezelberger , R. G. Stokstad , A. Stößl , E. A. Strahler , R. Ström , G. W. Sullivan , H. Taavola , I. Taboada , A. Tamburro , S. Ter-Antonyan , S. Tilav , P. A. Toale , S. Toscano , M. Usner , D. va. de. Drift , N. va. Eijndhoven , A. Va. Overloop , J. va. Santen , M. Vehring , M. Voge , M. Vraeghe , C. Walck , T. Waldenmaier , M. Wallraff , M. Walter , R. Wasserman , Ch. Weaver , C. Wendt , S. Westerhoff , N. Whitehorn , K. Wiebe , C. H. Wiebusch , D. R. Williams , H. Wissing , M. Wolf , T. R. Wood , K. Woschnagg , C. Xu , D. L. Xu , X. W. Xu , J. P. Yanez , G. Yodh , S. Yoshida , P. Zarzhitsky , J. Ziemann , S. Zierke , A. Zilles , M. Zoll

The Imprint of Gravitational Waves on the Cosmic Microwave Background

Long-wavelength gravitational waves can induce significant temperature anisotropy in the cosmic microwave background. Distinguishing this from anisotropy induced by energy density fluctuations is critical for testing inflationary cosmology…

Astrophysics · Physics 2009-09-25 R. Crittenden , J. R. Bond , R. L. Davis , G. Efstathiou , P. J. Steinhardt

Secondary CMB anisotropies from bulk motions in the presence of stochastic magnetic fields

Bulk motions of electrons along the line of sight induce secondary temperature fluctuations in the post-decoupling, reionized universe. In the presence of a magnetic field not only the scalar mode but also the vector mode act as a source…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-11 Kerstin E. Kunze

Conformal Invariance, Dynamical Dark Energy and the CMB

General Relativity receives quantum corrections relevant at cosmological distance scales from the conformal scalar degrees of freedom required by the trace anomaly of the quantum stress tensor in curved space. In the theory including the…

General Relativity and Quantum Cosmology · Physics 2012-09-25 Emil Mottola

CMB-lensing beyond the Born approximation

We investigate the weak lensing corrections to the cosmic microwave background temperature anisotropies considering effects beyond the Born approximation. To this aim, we use the small deflection angle approximation, to connect the lensed…

Cosmology and Nongalactic Astrophysics · Physics 2016-09-20 Giovanni Marozzi , Giuseppe Fanizza , Enea Di Dio , Ruth Durrer

Energy-Dependent Shifts of Medium-Scale Anisotropies in Very-High-Energy Cosmic Rays Observed by LHAASO-KM2A

Small deviations from isotropy in the arrival directions of Galactic cosmic rays serve as a unique probe of the local magnetic environment. In this Letter, we report observations of medium-scale anisotropies (MSA) at energies above 10 TeV…

High Energy Astrophysical Phenomena · Physics 2026-01-07 The LHAASO collabration , Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , A. V. Bukevich , C. M. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , A. M. Chen , E. S. Chen , G. H. Chen , H. X. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , Y. Chen , N. Cheng , Y. D. Cheng , M. C. Chu , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , Y. X. Diao , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , C. D. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , T. Q. Huang , W. J. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , B. B. Li , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Xin Li , Y. Li , Y. Z. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , Z. Min , W. Mitthumsiri , G. B. Mou , H. J. Mu , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , P. Pattarakijwanich , Z. Y. Pei , J. C. Qi , M. Y. Qi , J. J. Qin , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , D. X. Sun , H. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , Y. L. Xin , Y. Xing , D. R. Xiong , Z. Xiong , D. L. Xu , R. F. Xu , R. X. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , F. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , Li Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , W. J. Zhong , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo

Spatial correlations of primordial density fluctuations in the standard cosmological model

We revisit the {\it origin of structures problem} of standard Friedmann-Robertson-Walker cosmology to point out an unjustified approximation in the prevalent analysis. We follow common procedures in statistical mechanics to revise the issue…

High Energy Physics - Theory · Physics 2007-05-23 David H. Oaknin

Cosmic Ray transport through gyroresonance instability in compressible turbulence

We study the nonlinear growth of kinetic gyroresonance instability of cosmic rays (CRs) induced by large scale compressible turbulence. This feedback of cosmic rays on turbulence was shown to induce an important scattering mechanism in…

High Energy Astrophysical Phenomena · Physics 2011-03-28 Huirong Yan , A. Lazarian

Small-scale cosmic ray anisotropy observed by the GRAPES-3 experiment at TeV energies

GRAPES-3 is a mid-altitude (2200 m) and near equatorial ($11.4^{\circ}$ North) air shower array, overlapping in its field of view for cosmic ray observations with experiments that are located in Northern and Southern hemispheres. We analyze…

High Energy Astrophysical Phenomena · Physics 2023-10-25 M. Chakraborty , S. Ahmad , A. Chandra , S. R. Dugad , U. D. Goswami , S. K. Gupta , B. Hariharan , Y. Hayashi , P. Jagadeesan , A. Jain , P. Jain , S. Kawakami , T. Koi , H. Kojima , S. Mahapatra , P. K. Mohanty , R. Moharana , Y. Muraki , P. K. Nayak , T. Nonaka , T. Nakamura , A. Oshima , B. P. Pant , D. Pattanaik , S. Paul , G. S. Pradhan , M. Rameez , K. Ramesh , S. Saha , R. Sahoo , R. Scaria , S. Shibata , T. Tabata , H. Takamaru , K. Tanaka , F. Varsi , K. Yamazaki , M. Zuberi

Fractional diffusion of cosmic rays

We consider the propagation of galactic cosmic rays under assumption that the interstellar medium is a fractal one. An anomalous diffusion equation in terms of fractional derivatives is used to describe of cosmic ray propagation. The…

Astrophysics · Physics 2007-05-23 A. A. Lagutin , V. V. Uchaikin

Anisotropies of ultra-high energy cosmic ray nuclei diffusing from extragalactic sources

We obtain the dipolar anisotropies in the arrival directions of ultra-high energy cosmic ray nuclei diffusing from nearby extragalactic sources. We consider mixed-composition scenarios in which different cosmic ray nuclei are accelerated up…

High Energy Astrophysical Phenomena · Physics 2015-09-30 Diego Harari , Silvia Mollerach , Esteban Roulet

Magnetic reconnection as the cause of cosmic ray excess from the heliospheric tail

The observation of a broad excess of sub-TeV cosmic rays compatible with the direction of the heliospheric tail (Nagashima et al. 1998) and the discovery of two significant localized excess regions of multi-TeV cosmic rays by the MILAGRO…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-21 A. Lazarian , P. Desiati

4-Year COBE DMR Cosmic Microwave Background Observations: Maps and Basic Results

The cosmic microwave background radiation provides unique constraints on cosmological models. In this Letter we present a summary of the spatial properties of the cosmic microwave background radiation based on the full 4 years of COBE DMR…

Astrophysics · Physics 2009-10-28 C. L. Bennett , A. Banday , K. M. Gorski , G. Hinshaw , P. Jackson , P. Keegstra , A. Kogut , G. F. Smoot , D. T. Wilkinson , E. L. Wright

Gravitational Lensing Effect on the Two-point Correlation of Hotspots in the Cosmic Microwave Background

We investigate the weak gravitational lensing effect due to the large-scale structure of the universe on two-point correlations of local maxima ({\em hotspots}) in the 2D sky map of the cosmic microwave background (CMB) anisotropy.…

Astrophysics · Physics 2016-08-30 Masahiro Takada , Eiichiro Komatsu , Toshifumi Futamase

CMB Temperature Anisotropy from Broken Spatial Isotropy due to an Homogeneous Cosmological Magnetic Field

We derive the cosmic microwave background temperature anisotropy two-point correlation function (including off-diagonal correlations) from broken spatial isotropy due to an arbitrarily oriented homogeneous cosmological magnetic field.

Astrophysics · Physics 2008-11-26 Tina Kahniashvili , George Lavrelashvili , Bharat Ratra

Cosmic ray transport near the Sun

The strongly diverging magnetic field lines in the very inner heliosphere, through the associated magnetic focusing/mirroring forces, can, potentially, lead to highly anisotropic galactic cosmic ray distributions close to the Sun. Using a…

Space Physics · Physics 2022-03-30 R. D. Strauss , J. P. van den Berg , J. S. Rankin