Related papers: Discrepant hardening observed in cosmic-ray elemen…

Elemental Spectra from the CREAM-I Flight

The Cosmic Ray Energetics And Mass (CREAM) is a balloon-borne experiment designed to measure the composition and energy spectra of cosmic rays of charge Z = 1 to 26 up to an energy of ~ 10^15 eV. CREAM had two successful flights on…

High Energy Astrophysical Phenomena · Physics 2015-05-18 H. S. Ahn , P. Allison , M. G. Bagliesi , J. J. Beatty , G. Bigongiari , P. Boyle , J. T. Childers , N. B. Conklin , S. Coutu , M. A. Duvernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , J. K. Lee , M. H. Lee , L. Lutz , P. Maestro , A. Malinine , P. S. Marrocchesi , S. Minnick , S. I. Mognet , S. Nam , S. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , S. Swordy , S. Wakely , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Measurements of cosmic-ray energy spectra with the 2nd CREAM flight

During its second Antarctic flight, the CREAM (Cosmic Ray Energetics And Mass) balloon experiment collected data for 28 days, measuring the charge and the energy of cosmic rays (CR) with a redundant system of particle identification and an…

High Energy Astrophysical Phenomena · Physics 2010-11-30 P. Maestro , H. S. Ahn , P. Allison , M. G. Bagliesi , L. Barbier , J. J. Beatty , G. Bigongiari , T. J. Brandt , J. T. Childers , N. B. Conklin , S. Coutu , M. A. DuVernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , A. Malinine , P. S. Marrocchesi , S. Minnick , S. I. Mognet , S. W. Nam , S. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , P. Walpole , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Cosmic-Ray Proton and Helium Spectra from the First CREAM Flight

Cosmic-ray proton and helium spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass experiment flown for 42 days in Antarctica in the 2004-2005 austral summer season. High-energy cosmic-ray data were collected at…

High Energy Astrophysical Phenomena · Physics 2011-07-28 Y. S. Yoon , H. S. Ahn , P. S. Allison , M. G. Bagliesi , J. J. Beatty , G. Bigongiari , P. J. Boyle , J. T. Childers , N. B. Conklin , S. Coutu , M. A. DuVernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , L. Lutz , P. Maestro , A. Malinine , P. S. Marrocchesi , S. A. Minnick , S. I. Mognet , S. Nam , S. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , S. Swordy , S. P. Wakely , J. Wu , J. Yang , R. Zei , S. Y. Zinn

Proton and Helium Spectra from the CREAM-III Flight

Primary cosmic-ray elemental spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment since 2004. The third CREAM payload (CREAM-III) flew for 29 days during the 2007-2008 Antarctic season.…

High Energy Astrophysical Phenomena · Physics 2017-04-11 Y. S. Yoon , T. Anderson , A. Barrau , N. B. Conklin , S. Coutu , L. Derome , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Kim , H. Y. Lee , J. Lee , M. H. Lee , S. E. Lee , J. T. Link , A. Menchaca-Rocha , J. W. Mitchell , S. I. Mognet , S. Nutter , I. H. Park , N. Picot-Clemente , A. Putze , E. S. Seo , J. Smith , J. Wu

Energy spectra of cosmic-ray nuclei at high energies

We present new measurements of the energy spectra of cosmic-ray (CR) nuclei from the second flight of the balloon-borne experiment Cosmic Ray Energetics And Mass (CREAM). The instrument included different particle detectors to provide…

High Energy Astrophysical Phenomena · Physics 2014-11-20 H. S. Ahn , P. Allison , M. G. Bagliesi , L. Barbier , J. J. Beatty , G. Bigongiari , T. J. Brandt , J. T. Childers , N. B. Conklin , S. Coutu , M. A. DuVernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , P. Maestro , A. Malinine , P. S. Marrocchesi , S. Minnick , S. I. Mognet , S. W. Nam , S. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , P. Walpole , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Calibration of the CREAM-I calorimeter

The Cosmic Ray Energetics And Mass (CREAM) calorimeter is designed to measure the spectra of cosmic-ray particles over the energy range from ~10^11 eV to ~10^15 eV. Its first flight as part of the CREAM-I balloon-borne payload in Antarctica…

High Energy Astrophysical Phenomena · Physics 2010-03-26 Y. S. Yoon , H. S. Ahn , M. G. Bagliesi , G. Bigongiari , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , L. Lutz , P. Maestro , A. Malinin , P. S. Marrocchesi , S. Nam , I. H. Park , N. H. Park , E. S. Seo , R. Sina , J. Wu , J. Yang , R. Zei , S. Y. Zinn

Performance of the ISS-CREAM calorimeter in a calibration beam test

The Cosmic Ray Energetics And Mass experiment for the International Space Station (ISS-CREAM) was installed on the ISS to measure high-energy cosmic-ray elemental spectra for the charge range $\rm Z=1$ to 26. The ISS-CREAM instrument…

Instrumentation and Detectors · Physics 2021-06-10 H. G. Zhang , D. Angelaszek , M. Copley , J. H. Han , H. G. Huh , Y. S. Hwang , H. J. Hyun , J. A. Jeon , K. C. Kim , M. H. Kim , H. J. Kim , K. Kwashnak , H. Y. Lee , J. Lee , M. H. Lee , J. Lundquist , L. Lutz , A. Malinin , H. Park , J. M. Park , N. Picot-Clemente , E. S. Seo , J. Smith , J. Wu , Z. Y. Yin , Y. S. Yoon

Elemental energy spectra of cosmic rays measured by CREAM-II

We present new measurements of the energy spectra of cosmic-ray (CR) nuclei from the second flight of the balloon-borne experiment CREAM (Cosmic Ray Energetics And Mass). The instrument (CREAM-II) was comprised of detectors based on…

High Energy Astrophysical Phenomena · Physics 2010-03-31 P. Maestro , H. S. Ahn , P. Allison , M. G. Bagliesi , L. Barbier , J. J. Beatty , G. Bigongiari , T. J. Brandt , J. T. Childers , N. B. Conklin , S. Coutu , M. A. DuVernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , A. Malinine , P. S. Marrocchesi , S. Minnick , S. I. Mognet , S. W. Nam , S. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , P. Walpole , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Measurements of cosmic-ray secondary nuclei at high energies with the first flight of the CREAM balloon-borne experiment

We present new measurements of heavy cosmic-ray nuclei at high energies per- formed during the first flight of the balloon-borne cosmic-ray experiment CREAM (Cosmic-Ray Energetics And Mass). This instrument uses multiple charge detectors…

Astrophysics · Physics 2008-10-23 H. S. Ahn , P. S. Allison , M. G. Bagliesi , J. J. Beatty , G. Bigongiari , P. J. Boyle , T. J. Brandt , J. T. Childers , N. B. Conklin , S. Coutu , M. A. Duvernois , O. Ganel , J. H. Han , H. J. Hyun , J. A. Jeon , K. C. Kim , J. K. Lee , M. H. Lee , L. Lutz , P. Maestro , A. Malinin , P. S. Marrocchesi , S. A. Minnick , S. I. Mognet , S. Nam , S. L. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , S. P. Swordy , S. P. Wakely , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Reconstruction of showers in the calorimeter during the first flight of the CREAM balloon experiment

The Cosmic Ray Energetics And Mass (CREAM) balloon-borne experiment was first flown from Antarctica in December 2004. The instrument includes a tungsten/Sci-Fi calorimeter preceded by a graphite target (~0.5 interaction length and ~1…

Astrophysics · Physics 2012-08-27 The CREAM Collaboration

Energy cross-calibration from the first CREAM flight: transition radiation detector versus calorimeter

The Cosmic Ray Energetics And Mass (CREAM) balloon experiment had two successful flights in 2004/05 and 2005/06. It was designed to perform energy measurements from a few GeV up to 1000 TeV, taking advantage of different detection…

Instrumentation and Methods for Astrophysics · Physics 2010-03-31 P. Maestro , H. S. Ahn , P. S. Allison , M. G. Bagliesi , J. J. Beatty , G. Bigongiari , P. J. Boyle , T. J. Brandt , J. T. Childers , N. B. Conklin , S. Coutu , M. A. Duvernois , O. Ganel , J. H. Han , H. J. Hyun , J. A. Jeon , K. C. Kim , J. K. Lee , M. H. Lee , L. Lutz , P. S. Marrocchesi , A. Malinine , S. Minnick , S. I. Mognet , S. Nam , S. Nutter , H. Park , I. H. Park , N. H. Park , E. S. Seo , R. Sina , S. Swordy , S. P. Wakely , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn

Beam test calibration of the balloon-borne imaging calorimeter for the CREAM experiment

CREAM (Cosmic Ray Energetics And Mass) is a multi-flight balloon mission designed to collect direct data on the elemental composition and individual energy spectra of cosmic rays. Two instrument suites have been built to be flown…

Instrumentation and Detectors · Physics 2007-05-23 P. S. Marrocchesi , H. S. Ahn , M. G. Bagliesi , A. Basti , G. Bigongiari , A. Castellina , M. A. Ciocci , A. Di Virgilio , T. Lomtatze , O. Ganel , K. C. Kim , M. H. Lee , F. Ligabue , L. Lutz , P. Maestro , A. Malinine , M. Meucci , V. Millucci , F. Morsani , E. S. Seo , R. Sina , J. Wu , Y. S. Yoon , R. Zei , S. -Y. Zinn

Beam test calibration of the balloon-borne imaging calorimeter for the CREAM experiment

CREAM (Cosmic Ray Energetics And Mass) is a multi-flight balloon mission designed to collect direct data on the elemental composition and individual energy spectra of cosmic rays. Two instrument suites have been built to be flown…

High Energy Astrophysical Phenomena · Physics 2018-06-18 P. S. Marrocchesi , H. S. Ahn , M. G. Bagliesi , A. Basti , G. Bigongiari , A. Castellina , M. A. Ciocci , A. Di Virgilio , T. Lomtatze , O. Ganel , K. C. Kim , M. H. Lee , F. Ligabue , L. Lutz , P. Maestro , A. Malinine , M. Meucci , V. Millucci , F. Morsani , E. S. Seo , R. Sina , J. Wu , J. Wu , Y. S. Yoon , R. Zei , S. Y. Zinn

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

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

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

Origin of the Cosmic Ray Spectral Hardening

Recent data from ATIC, CREAM and PAMELA indicate that the cosmic ray energy spectra of protons and nuclei exhibit a remarkable hardening at energies above 100 GeV per nucleon. We propose that the hardening is an interstellar propagation…

High Energy Astrophysical Phenomena · Physics 2012-05-29 N. Tomassetti

"Discrepant hardenings" in cosmic ray spectra: a first estimate of the effects on secondary antiproton and diffuse gamma-ray yields

Recent data from CREAM seem to confirm early suggestions that primary cosmic ray (CR) spectra at few TeV/nucleon are harder than in the 10-100 GeV range. Also, helium and heavier nuclei spectra appear systematically harder than the proton…

High Energy Astrophysical Phenomena · Physics 2011-02-01 Fiorenza Donato , Pasquale D. Serpico

Spectra of Cosmic Ray Protons and Helium Produced in Supernova Remnants

Data obtained in the ATIC-2 (Advanced Thin Ionization Calorimeter), CREAM (Cosmic Ray Energetics and Mass)) and PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) experiments suggest that elemental interstellar…

High Energy Astrophysical Phenomena · Physics 2015-06-12 V. S. Ptuskin , V. N. Zirakashvili , E. S. Seo

The shape of the cosmic ray proton spectrum

Recent observations of cosmic ray protons in the energy range $10^2$--$10^5$~GeV have revealed that the spectrum cannot be described by a simple power law. A hardening of the spectrum around an energy of order few hundred~GeV, first…

High Energy Astrophysical Phenomena · Physics 2020-04-01 Paolo Lipari , Silvia Vernetto