Related papers: Cosmic-Ray Positron Identification with the PAMELA…

Searching for Dark Matter with Future Cosmic Positron Experiments

Dark matter particles annihilating in the Galactic halo can provide a flux of positrons potentially observable in upcoming experiments, such as PAMELA and AMS-02. We discuss the spectral features which may be associated with dark matter…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dan Hooper , Joseph Silk

Measurements of the Cosmic-Ray Positron Fraction From 1 to 50 GeV

Two measurements of the cosmic-ray positron fraction as a function of energy have been made using the High Energy Antimatter Telescope (HEAT) balloon-borne instrument. The first flight took place from Ft. Sumner, New Mexico in 1994, and…

Astrophysics · Physics 2009-10-30 HEAT Collaboration , S. W. Barwick , E. Schneider , J. J. Beatty , G. A. de Nolfo , A. Bhattacharyya , C. R. Bower , J. A. Musser , C. J. Chaput , S. Coutu , S. McKee , G. Tarle , A. D. Tomasch , J. Knapp , D. M. Lowder , D. Muller , S. P. Swordy , E. Torbet , S. L. Nutter

Measurement of the cosmic-ray antiproton spectrum at solar minimum with a long-duration balloon flight over Antarctica

The energy spectrum of cosmic-ray antiprotons from 0.17 to 3.5 GeV has been measured using 7886 antiprotons detected by BESS-Polar II during a long-duration flight over Antarctica near solar minimum in December 2007 and January 2008. This…

High Energy Astrophysical Phenomena · Physics 2015-05-30 K. Abe , H. Fuke , S. Haino , T. Hams , M. Hasegawa , A. Horikoshi , K. C. Kim , A. Kusumoto , M. H. Lee , Y. Makida , S. Matsuda , Y. Matsukawa , J. W. Mitchell , J. Nishimura , M. Nozaki , R. Orito , J. F. Ormes , K. Sakai , M. Sasaki , E. S. Seo , R. Shinoda , R. E. Streitmatter , J. Suzuki , K. Tanaka , N. Thakur , T. Yamagami , A. Yamamoto , T. Yoshida , K. Yoshimura

Measurement of the cosmic ray helium energy spectrum from 70 GeV to 80 TeV with the DAMPE space mission

The measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the DArk Matter Particle Explorer (DAMPE) is reported in this work. A hardening of the spectrum is observed at an…

High Energy Astrophysical Phenomena · Physics 2023-03-09 F. Alemanno , Q. An , P. Azzarello , F. C. T. Barbato , P. Bernardini , X. J. Bi , M. S. Cai , E. Catanzani , J. Chang , D. Y. Chen , J. L. Chen , Z. F. Chen , M. Y. Cui , T. S. Cui , Y. X. Cui , H. T. Dai , A. D'Amone , A. De Benedittis , I. De Mitri , F. de Palma , M. Deliyergiyev , M. Di Santo , T. K. Dong , Z. X. Dong , G. Donvito , D. Droz , J. L. Duan , K. K. Duan , D. D'Urso , R. R. Fan , Y. Z. Fan , K. Fang , F. Fang , C. Q. Feng , L. Feng , P. Fusco , M. Gao , F. Gargano , K. Gong , Y. Z. Gong , D. Y. Guo , J. H. Guo , X. L. Guo , S. X. Han , Y. M. Hu , G. S. Huang , X. Y. Huang , Y. Y. Huang , M. Ionica , W. Jiang , J. Kong , A. Kotenko , D. Kyratzis , S. J. Lei , S. Li , W. L. Li , X. Li , X. Q. Li , Y. M. Liang , C. M. Liu , H. Liu , J. Liu , S. B. Liu , W. Q. Liu , Y. Liu , F. Loparco , C. N. Luo , M. Ma , P. X. Ma , T. Ma , X. Y. Ma , G. Marsella , M. N. Mazziotta , D. Mo , X. Y. Niu , X. Pan , A. Parenti , W. X. Peng , X. Y. Peng , C. Perrina , R. Qiao , J. N. Rao , A. Ruina , M. M. Salinas , G. Z. Shang , W. H. Shen , Z. Q. Shen , Z. T. Shen , L. Silveri , J. X. Song , M. Stolpovskiy , H. Su , M. Su , Z. Y. Sun , A. Surdo , X. J. Teng , A. Tykhonov , H. Wang , J. Z. Wang , L. G. Wang , S. Wang , X. L. Wang , Y. Wang , Y. F. Wang , Y. Z. Wang , Z. M. Wang , D. M. Wei , J. J. Wei , Y. F. Wei , S. C. Wen , D. Wu , J. Wu , L. B. Wu , S. S. Wu , X. Wu , Z. Q. Xia , H. T. Xu , Z. H. Xu , Z. L. Xu , Z. Z. Xu , G. F. Xue , H. B. Yang , P. Yang , Y. Q. Yang , H. J. Yao , Y. H. Yu , G. W. Yuan , Q. Yuan , C. Yue , J. J. Zang , F. Zhang , S. X. Zhang , W. Z. Zhang , Y. Zhang , Y. J. Zhang , Y. L. Zhang , Y. P. Zhang , Y. Q. Zhang , Z. Zhang , Z. Y. Zhang , C. Zhao , H. Y. Zhao , X. F. Zhao , C. Y. Zhou , Y. Zhu

Observation of Spectral Structures in the Flux of Cosmic-Ray Protons from 50 GeV to 60 TeV with the Calorimetric Electron Telescope on the International Space Station

A precise measurement of the cosmic-ray proton spectrum with the Calorimetric Electron Telescope (CALET) is presented in the energy interval from 50 GeV to 60 TeV, and the observation of a softening of the spectrum above 10 TeV is reported.…

High Energy Astrophysical Phenomena · Physics 2022-09-07 O. Adriani , Y. Akaike , K. Asano , Y. Asaoka , E. Berti , G. Bigongiari , W. R. Binns , M. Bongi , P. Brogi , A. Bruno , J. H. Buckley , N. Cannady , G. Castellini , C. Checchia , M. L. Cherry , G. Collazuol , K. Ebisawa , A. W. Ficklin , H. Fuke , S. Gonzi , T. G. Guzik , T. Hams , K. Hibino , M. Ichimura , K. Ioka , W. Ishizaki , M. H. Israel , K. Kasahara , J. Kataoka , R. Kataoka , Y. Katayose , C. Kato , N. Kawanaka , Y. Kawakubo , K. Kobayashi , K. Kohri , H. S. Krawczynski , J. F. Krizmanic , P. Maestro , P. S. Marrocchesi , A. M. Messineo , J. W. Mitchell , S. Miyake , A. A. Moiseev , M. Mori , N. Mori , H. M. Motz , K. Munakata , S. Nakahira , J. Nishimura , G. A. de Nolfo , S. Okuno , J. F. Ormes , S. Ozawa , L. Pacini , P. Papini , B. F. Rauch , S. B. Ricciarini , K. Sakai , T. Sakamoto , M. Sasaki , Y. Shimizu , A. Shiomi , P. Spillantini , F. Stolzi , S. Sugita , A. Sulaj , M. Takita , T. Tamura , T. Terasawa , S. Torii , Y. Tsunesada , Y. Uchihori , E. Vannuccini , J. P. Wefel , K. Yamaoka , S. Yanagita , A. Yoshida , K. Yoshida , W. V. Zober

The Local Interstellar Spectrum of Cosmic Ray Electrons

The local interstellar spectrum of cosmic ray electrons and positrons from 0.8 GeV to 2 TeV is derived by demodulating the measured spectra by balloon and satellite experiments. It can be well represented by a single power law in kinetic…

Astrophysics · Physics 2007-05-23 D. Casadei , V. Bindi

Measurements of Heavy Cosmic-Ray Nuclei Spectra with CALET on the ISS

CALorimetric Electron Telescope (CALET) has been accumulating data of high-energy cosmic rays on the International Space Station since August 2015. In addition to the primary observation of the all-electron spectra, CALET also measures the…

High Energy Astrophysical Phenomena · Physics 2019-04-02 Yosui Akaike

New Measurement of the Cosmic-Ray Positron Fraction from 5 to 15 GeV

We present a new measurement of the cosmic-ray positron fraction at energies between 5 and 15 GeV with the balloon-borne HEAT-pbar instrument in the spring of 2000. The data presented here are compatible with our previous measurements,…

Astrophysics · Physics 2008-11-26 J. J. Beatty , A. Bhattacharyya , C. Bower , S. Coutu , M. A. DuVernois , S. McKee , S. A. Minnick , D. Muller , J. Musser , S. Nutter , A. W. Labrador , M. Schubnell , S. Swordy , G. Tarle , A. Tomasch

The POEMMA (Probe of Extreme Multi-Messenger Astrophysics) mission

The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to observe cosmic neutrinos (CNs) above 20 PeV and ultra-high energy cosmic rays (UHECRs) above 20 EeV over the full sky. The POEMMA mission calls for two identical…

Instrumentation and Methods for Astrophysics · Physics 2019-09-23 A. V. Olinto , J. H. Adams , R. Aloisio , L. A. Anchordoqui , D. R. Bergman , M. E. Bertaina , P. Bertone , F. Bisconti , M. Bustamante , M. Casolino , M. J. Christl , A. L. Cummings , I. De Mitri , R. Diesing , J. B. Eser , F. Fenu , C. Guépin , E. A. Hays , E. Judd , J. F. Krizmanic , E. Kuznetsov , A. Liberatore , S. Mackovjak , J. McEnery , J. W. Mitchell , A. Neronov , F. Oikonomou , A. N. Otte , E. Parizot , T. C. Paul , J. S. Perkins , G. Prévôt , P. Reardon , M. H. Reno , M. Ricci , F. Sarazin , K. Shinozaki , J. F. Soriano , F. Stecker , Y. Takizawa , R. Ulrich , M. Unger , T. Venters , L. Wiencke , R. M. Young

AMS-02 in space: physics results, overview, and challenges

The Alpha Magnetic Spectrometer (AMS-02) is a state of the art particle detector measuring cosmic rays (CRs) on the International Space Station (ISS) since May 19th 2011. AMS-02 identifies CR leptons and nuclei in the energy range from…

High Energy Astrophysical Phenomena · Physics 2015-11-03 Nicola Tomassetti

Observation of a spectral hardening in cosmic ray boron spectrum with the DAMPE space mission

Secondary cosmic ray fluxes are important probes of the propagation and interaction of high-energy particles in the Galaxy. Recent measurements of primary and secondary cosmic ray nuclei have revealed unexpected spectral features that…

High Energy Astrophysical Phenomena · Physics 2024-12-19 DAMPE Collaboration , F. Alemanno , C. Altomare , Q. An , P. Azzarello , F. C. T. Barbato , P. Bernardini , X. J. Bi , H. Boutin , I. Cagnoli , M. S. Cai , E. Casilli , E. Catanzani , J. Chang , D. Y. Chen , J. L. Chen , Z. F. Chen , Z. X. Chen , P. Coppin , M. Y. Cui , T. S. Cui , Y. X. Cui , I. De Mitri , F. de Palma , A. Di Giovanni , T. K. Dong , Z. X. Dong , G. Donvito , D. Droz , J. L. Duan , K. K. Duan , R. R. Fan , Y. Z. Fan , F. Fang , K. Fang , C. Q. Feng , L. Feng , J. M. Frieden , P. Fusco , M. Gao , F. Gargano , E. Ghose , K. Gong , Y. Z. Gong , D. Y. Guo , J. H. Guo , S. X. Han , Y. M. Hu , G. S. Huang , X. Y. Huang , Y. Y. Huang , M. Ionica , L. Y. Jiang , Y. Z. Jiang , W. Jiang , J. Kong , A. Kotenko , D. Kyratzis , S. J. Lei , W. H. Li , W. L. Li , X. Li , X. Q. Li , Y. M. Liang , C. M. Liu , H. Liu , J. Liu , S. B. Liu , Y. Liu , F. Loparco , M. Ma , P. X. Ma , T. Ma , X. Y. Ma , G. Marsella , M. N. Mazziotta , D. Mo , X. Y. Niu , A. Parenti , W. X. Peng , X. Y. Peng , C. Perrina , E. Putti-Garcia , R. Qiao , J. N. Rao , R. Sarkar , P. Savina , A. Serpolla , Z. Shangguan , W. H. Shen , Z. Q. Shen , Z. T. Shen , L. Silveri , J. X. Song , M. Stolpovskiy , H. Su , M. Su , H. R. Sun , Z. Y. Sun , A. Surdo , X. J. Teng , A. Tykhonov , J. Z. Wang , L. G. Wang , S. Wang , X. L. Wang , Y. F. Wang , Y. Wang , D. M. Wei , J. J. Wei , Y. F. Wei , D. Wu , J. Wu , S. S. Wu , X. Wu , Z. Q. Xia , E. H. Xu , H. T. Xu , J. Xu , Z. H. Xu , Z. L. Xu , Z. Z. Xu , G. F. Xue , H. B. Yang , P. Yang , Y. Q. Yang , H. J. Yao , Y. H. Yu , Q. Yuan , C. Yue , J. J. Zang , S. X. Zhang , W. Z. Zhang , Yan Zhang , Yi Zhang , Y. J. Zhang , Y. L. Zhang , Y. P. Zhang , Y. Q. Zhang , Z. Zhang , Z. Y. Zhang , C. Zhao , H. Y. Zhao , X. F. Zhao , C. Y. Zhou , Y. Zhu

Dark Matter Signals In Cosmic Rays?

The flux of the diffuse gamma-ray background radiation (GBR) does not confirm that the excess in the flux of cosmic ray electrons between 300-800 GeV, which was measured locally with the ATIC instrument in balloon flights over Antartica, is…

High Energy Astrophysical Phenomena · Physics 2011-09-28 Shlomo Dado , Arnon Dar

Galactic cosmic ray propagation: sub-PeV diffuse gamma-ray and neutrino emission

The Tibet ASgamma experiment just reported their measurement of sub-PeV diffuse gamma ray emission from the Galactic disk, with the highest energy up to 957 TeV. These gamma-rays are most likely the hadronic origin by cosmic ray interaction…

High Energy Astrophysical Phenomena · Physics 2021-04-09 Bing-Qiang Qiao , Wei Liu , Meng-Jie Zhao , Xiao-Jun Bi , Yi-Qing Guo

The PAMELA and ATIC Signals From Kaluza-Klein Dark Matter

In this letter, we study the possibility that Kaluza-Klein dark matter in a model with one universal extra dimension is responsible for the recent observations of the PAMELA and ATIC experiments. In this model, the dark matter particles…

High Energy Physics - Phenomenology · Physics 2010-04-21 Dan Hooper , Kathryn Zurek

High energy cosmic rays

I review here some of the physics we are learning and expect to learn in the near future through the observation of cosmic rays. The study of cosmic rays involves a combination of data from accelerators, ground arrays, atmospheric…

High Energy Astrophysical Phenomena · Physics 2009-07-22 Graciela B. Gelmini

Solar Modulation of Galactic Cosmic Rays: Physics Challenges for AMS-02

The Alpha Magnetic Spectrometer (AMS) is a new generation high-energy physics experiment installed on the International Space Station in May 2011 and operating continuously since then. Using an unprecedently large collection of particles…

High Energy Astrophysical Phenomena · Physics 2018-07-31 Nicola Tomassetti

Measurements of cosmic-ray proton and helium spectra from the BESS-Polar long-duration balloon flights over Antarctica

The BESS-Polar Collaboration measured the energy spectra of cosmic-ray protons and helium during two long-duration balloon flights over Antarctica in December 2004 and December 2007, at substantially different levels of solar modulation.…

High Energy Astrophysical Phenomena · Physics 2016-08-31 K. Abe , H. Fuke , S. Haino , T. Hams , M. Hasegawa , A. Horikoshi , A. Itazaki , K. C. Kim , T. Kumazawa , A. Kusumoto , M. H. Lee , Y. Makida , S. Matsuda , Y. Matsukawa , K. Matsumoto , J. W. Mitchell , Z. Myers , J. Nishimura , M. Nozaki , R. Orito , J. F. Ormes , N. Picot-Clemente , K. Sakai , M. Sasaki , E. S. Seo , Y. Shikaze , R. Shinoda , R. E. Streitmatter , J. Suzuki , Y. Takasugi , K. Takeuchi , K. Tanaka , N. Thakur , T. Yamagami , A. Yamamoto , T. Yoshida , K. Yoshimura

Testing the Origin of High-Energy Cosmic Rays

Recent accurate measurements of cosmic-ray (CR) protons and nuclei by ATIC-2, CREAM, and PAMELA reveal: a) unexpected spectral hardening in the spectra of CR species above a few hundred GeV per nucleon, b) a harder spectrum of He compared…

High Energy Astrophysical Phenomena · Physics 2016-08-14 Andrey E. Vladimirov , Guðlaugur Jóhannesson , Igor V. Moskalenko , Troy A. Porter

On the Contribution of Pulsars to the Positron Fraction in Cosmic Rays

Several cosmic ray experiments have measured the positron fraction up to few hundred GeV. Their data have revealed an excess of positrons above 10 GeV that is not consistent with the secondary production of these particles in the…

High Energy Astrophysical Phenomena · Physics 2013-07-22 S. Della Torre , M. Gervasi , P. G. Rancoita , D. Rozza , A. Treves

High-energy astroparticle physics with CALET

The CALorimetric Electron Telescope (CALET) will be installed on the Exposure Facility of the Japanese Experiment Module (JEM-EF) on the International Space Station (ISS) in 2014 where it will measure the cosmic-ray fluxes for five years.…

Instrumentation and Methods for Astrophysics · Physics 2013-02-07 Paolo Maestro