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  1. Book: Erdgebundene Messung der kosmischen Strahlung höchster Energie bis über 10 20 eV - AUGER

    Kampert, K.-H

    Schlussbericht ; Förderzeitraum: 01.07.2005 - 30.06.2008 ; BMBF-Förderschwerpunkt "Astrophysik - Großgeräte der physikalischen Grundlagenforschung"

    2009  

    Title variant BMBF-Förderschwerpunkt "Astrophysik - Großgeräte der physikalischen Grundlagenforschung"
    Institution Universität Wuppertal
    Author's details Zuwendungsempfänger: Bergische Universität Wuppertal. Projektleitung: K.-H. Kampert
    Language German ; English
    Size 15, 11, 1 Bl.
    Publishing place Wuppertal
    Document type Book
    Note Text teilw. engl., überw. dt. ; Förderkennzeichen BMBF 05CU5PX1/6 ; Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden. - Auch als elektronische Ressource vorh.
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  2. Book ; Online: [Erdgebundene Messung der kosmischen Strahlung höchster Energie bis über 10 20 eV - AUGER]

    Kampert, K.-H

    Schlussbericht ; [Förderzeitraum: 01.07.2005 - 30.06.2008 ; BMBF-Förderschwerpunkt "Astrophysik - Großgeräte der physikalischen Grundlagenforschung"]

    2009  

    Institution Universität Wuppertal
    Author's details Zuwendungsempfänger: Bergische Universität Wuppertal. Projektleitung: Kampert
    Language German ; English
    Size Online-Ressource (27 S., 123 KB)
    Publisher Technische Informationsbibliothek u. Universitätsbibliothek
    Publishing place Hannover ; Wuppertal
    Document type Book ; Online
    Note Text teilw. engl., überw. dt. ; Förderkennzeichen BMBF 05CU5PX1/6 ; Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden. - Auch als gedr. Ausg. vorhanden
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  3. Book ; Online: ICECUBE: [Verbund Astroteilchenphysik mit dem Neutrino-Teleskop IceCube]. [Teilprojekt 2

    Kampert, K.-H

    BMBF-Förderschwerpunkt Astrophysik, Großgeräte der physikalischen Grundlagenforschung] ; Schlussbericht - Kurzfassung ; [Förderzeitraum: 01.07.2005 - 30.06.2008]

    2008  

    Title variant Verbund Astroteilchenphysik mit dem Neutrino-Teleskop IceCube
    Institution Universität Wuppertal
    Author's details Zuwendungsempfänger: Bergische Universität Wuppertal. Projektleitung: [K.-H.] Kampert
    Language German
    Size Online-Ressource (9 S., 59,9 KB)
    Publisher Technische Informationsbibliothek u. Universitätsbibliothek
    Publishing place Hannover ; Wuppertal
    Document type Book ; Online
    Note Auch als gedr. Ausg. vorhanden ; Förderkennzeichen BMBF 05CI5PX1/2 ; Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  4. Book: ICECUBE: Verbund Astroteilchenphysik mit dem Neutrino-Teleskop IceCube. Teilprojekt 2

    Kampert, K.-H

    BMBF-Förderschwerpunkt Astrophysik, Großgeräte der physikalischen Grundlagenforschung ; Schlussbericht ; Förderzeitraum: 01.07.2005 - 30.06.2008

    2008  

    Title variant Verbund Astroteilchenphysik mit dem Neutrino-Teleskop IceCube
    Institution Universität Wuppertal
    Author's details Zuwendungsempfänger: Bergische Universität Wuppertal. Projektleitung: K.-H. Kampert
    Language German
    Size 1, 6, 2 Bl.
    Publishing place Wuppertal
    Document type Book
    Note Auch als elektronische Ressource vorh. ; Förderkennzeichen BMBF 05CI5PX1/2 ; Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  5. Book ; Conference proceedings: Contributed papers

    Heinzelmann, Götz / Kampert, K.-H

    27rd International Cosmic Ray Conference, Hamburg, August 07 - 15, 2001

    2001  

    Institution International Cosmic Ray Conference
    International Union of Pure and Applied Physics
    Event/congress ICRC 2001 (27, 2001.08.07-15, Hamburg) ; International Cosmic Ray Conference (27, 2001.08.07-15, Hamburg)
    Author's details [under the auspices of the International Union of Pure and Applied Physics]
    Language English
    Size LIX, 427 S
    Publisher Copernicus-Ges
    Publishing place Katlenburg-Lindau
    Document type Book ; Conference proceedings
    Database Former special subject collection: coastal and deep sea fishing

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  6. Article ; Online: CRPropa

    Alves Batista R. / Erdmann M. / Evoli C. / Kampert K.-H. / Kuempel D. / Müller G. / Sigl G. / van Vliet A. / Walz D. / Winchen T.

    EPJ Web of Conferences, Vol 99, p

    A public framework to propagate UHECRs in the universe

    2015  Volume 13004

    Abstract: To answer the fundamental questions concerning the origin and nature of ultra-high energy cosmic rays (UHECRs), it is important to confront data with simulated astrophysical scenarios. These scenarios should include detailed information on particle ... ...

    Abstract To answer the fundamental questions concerning the origin and nature of ultra-high energy cosmic rays (UHECRs), it is important to confront data with simulated astrophysical scenarios. These scenarios should include detailed information on particle interactions and astrophysical environments. To achieve this goal one should make use of computational tools to simulate the propagation of these particles. For this reason the CRPropa framework was developed. It allows the propagation of UHECRs with energies ≳1017 eV and secondary gamma rays and neutrinos. The newest version, CRPropa 3, reflects an efficient redesign of the code as well as several new features such as time dependent propagation in three dimensions, galactic magnetic field effects and improved treatment of interactions, among other enhancements.
    Keywords Science ; Q ; Physics ; QC1-999
    Language English
    Publishing date 2015-01-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  7. Article ; Online: Calculation of the axion mass based on high-temperature lattice quantum chromodynamics.

    Borsanyi, S / Fodor, Z / Guenther, J / Kampert, K-H / Katz, S D / Kawanai, T / Kovacs, T G / Mages, S W / Pasztor, A / Pittler, F / Redondo, J / Ringwald, A / Szabo, K K

    Nature

    2016  Volume 539, Issue 7627, Page(s) 69–71

    Abstract: Unlike the electroweak sector of the standard model of particle physics, quantum chromodynamics (QCD) is surprisingly symmetric under time reversal. As there is no obvious reason for QCD being so symmetric, this phenomenon poses a theoretical problem, ... ...

    Abstract Unlike the electroweak sector of the standard model of particle physics, quantum chromodynamics (QCD) is surprisingly symmetric under time reversal. As there is no obvious reason for QCD being so symmetric, this phenomenon poses a theoretical problem, often referred to as the strong CP problem. The most attractive solution for this requires the existence of a new particle, the axion-a promising dark-matter candidate. Here we determine the axion mass using lattice QCD, assuming that these particles are the dominant component of dark matter. The key quantities of the calculation are the equation of state of the Universe and the temperature dependence of the topological susceptibility of QCD, a quantity that is notoriously difficult to calculate, especially in the most relevant high-temperature region (up to several gigaelectronvolts). But by splitting the vacuum into different sectors and re-defining the fermionic determinants, its controlled calculation becomes feasible. Thus, our twofold prediction helps most cosmological calculations to describe the evolution of the early Universe by using the equation of state, and may be decisive for guiding experiments looking for dark-matter axions. In the next couple of years, it should be possible to confirm or rule out post-inflation axions experimentally, depending on whether the axion mass is found to be as predicted here. Alternatively, in a pre-inflation scenario, our calculation determines the universal axionic angle that corresponds to the initial condition of our Universe.
    Language English
    Publishing date 2016--03
    Publishing country England
    Document type Journal Article
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/nature20115
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

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  8. Article ; Online: Radar reflection off extensive air showers

    Werner F. / Wilczyński H. / Weber M. / Unger M. / Šmída R. / Schieler H. / Salamida F. / Riegel M. / Roth M. / Rautenberg J. / Pekala J. / Neunteufel P. / Ludwig M. / Mathys S. / Kleifges M. / Krömer O. / Klages H. / Kampert K.-H. / Huege T. /
    Haungs A. / Engel R. / Chiavassa A. / Blümer J. / Bertaina M. / Baur S. / Stasielak J. / Wochele J.

    EPJ Web of Conferences, Vol 53, p

    2013  Volume 08013

    Abstract: We investigate the possibility of detecting extensive air showers by the radar technique. Considering a bistatic radar system and different shower geometries, we simulate reflection of radio waves off the static plasma produced by the shower in the air. ... ...

    Abstract We investigate the possibility of detecting extensive air showers by the radar technique. Considering a bistatic radar system and different shower geometries, we simulate reflection of radio waves off the static plasma produced by the shower in the air. Using the Thomson cross-section for radio wave reflection, we obtain the time evolution of the signal received by the antennas. The frequency upshift of the radar echo and the power received are studied to verify the feasibility of the radar detection technique.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2013-06-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  9. Article ; Online: Observation of microwave emission from extensive air showers with CROME

    Wilczyński H. / Werner F. / Weber M. / Unger M. / Stasielak J. / Schieler H. / Salamida F. / Riegel M. / Roth M. / Rautenberg J. / Pekala J. / Neunteufel P. / Mathys S. / Ludwig M. / Krömer O. / Kleifges M. / Kampert K.-H. / Klages H. / Huege T. /
    Haungs A. / Engel R. / Chiavassa A. / Blümer J. / Bertaina M. / Baur S. / Šmída R. / Wochele J.

    EPJ Web of Conferences, Vol 53, p

    2013  Volume 08010

    Abstract: We report on the measurement of microwave radio signals from air showers with the CROME (Cosmic Ray Observation via Microwave Emission) experiment. CROME is located in the center of the KASCADE-Grande air shower array. The radio signals of the CROME ... ...

    Abstract We report on the measurement of microwave radio signals from air showers with the CROME (Cosmic Ray Observation via Microwave Emission) experiment. CROME is located in the center of the KASCADE-Grande air shower array. The radio signals of the CROME antennas are stored for each high-energy trigger from the KASCADE-Grande array and matched offine with the KASCADE-Grande data. After almost one year of data taking microwave signals have been observed for more than ten air showers.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2013-06-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  10. Article ; Online: The 〈 ln A 〉 study with the Muon tracking detector in the KASCADE-Grande experiment – comparison of hadronic interaction models

    Łuczak P. / Apel W.D. / Arteaga-Velázquez J.C. / Bekk K. / Bertaina M. / Blümer J. / Bozdog H. / Brancus I.M. / Cantoni E. / Chiavassa A. / Cossavella F. / Curcio C. / Daumiller K. / Souza V. de / Pierro F. Di / Doll P. / Engel R. / Engler J. / Fuchs B. /
    Fuhrmann D. / Gils H.J. / Glasstetter R. / Grupen C. / Haungs A. / Heck D. / Hörandel J.R. / Huber D. / Huege T. / Kampert K.-H. / Kang D. / Klages H.O. / Link K. / Ludwig M. / Mathes H.J. / Mayer H.J. / Melissas M. / Milke J. / Mitrica B. / Morello C. / Oehlschläger J. / Ostapchenko S. / Palmieri N. / Petcu M. / Pierog T. / Rebel H. / Roth M. / Schieler H. / Schoo S. / Schröder F.G. / Sima O. / Toma G. / Trinchero G.C. / Ulrich H. / Weindl A. / Wochele J. / Zabierowski J.

    EPJ Web of Conferences, Vol 99, p

    2015  Volume 13001

    Abstract: With the KASCADE-Grande Muon Tracking Detector it was possible to measure with high accuracy directions of EAS muons with energy above 0.8 GeV and up to 700 m distance from the shower centre. Reconstructed muon tracks allow investigation of muon ... ...

    Abstract With the KASCADE-Grande Muon Tracking Detector it was possible to measure with high accuracy directions of EAS muons with energy above 0.8 GeV and up to 700 m distance from the shower centre. Reconstructed muon tracks allow investigation of muon pseudorapidity (η) distributions. These distributions are nearly identical to the pseudorapidity distributions of their parent mesons produced in hadronic interactions. Comparison of the η distributions from measured and simulated showers can be used to test the quality of the high energy hadronic interaction models. The pseudorapidity distributions reflect the longitudinal development of EAS and, as such, are sensitive to the mass of the cosmic ray primary particles. With various parameters of the η distribution, obtained from the Muon Tracking Detector data, it is possible to calculate the average logarithm of mass of the primary cosmic ray particles. The results of the 〈 ln A 〉 analysis in the primary energy range 1016 eV–1017 eV with the 1st quartile and the mean value of the distributions will be presented for the QGSJet-II-2, QGSJet-II-4, EPOS 1.99 and EPOS LHC models in combination with the FLUKA model.
    Keywords Science ; Q ; Physics ; QC1-999
    Publishing date 2015-01-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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