Search Results - "PORTER, A. T"

High-energy Gamma Rays from the Milky Way: Three-dimensional Spatial Models for the Cosmic-Ray and Radiation Field Densities in the Interstellar Medium by Porter, T. A., Jóhannesson, G., Moskalenko, I. V.

“…High-energy γ-rays of interstellar origin are produced by the interaction of cosmic-ray (CR) particles with the diffuse gas and radiation fields in the Galaxy…”
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GALACTIC COSMIC RAYS IN THE LOCAL INTERSTELLAR MEDIUM: VOYAGER 1 OBSERVATIONS AND MODEL RESULTS by Cummings, A. C., Stone, E. C., Heikkila, B. C., Lal, N., Webber, W. R., Jóhannesson, G., Moskalenko, I. V., Orlando, E., Porter, T. A.

“…ABSTRACT Since 2012 August Voyager 1 has been observing the local interstellar energy spectra of Galactic cosmic-ray nuclei down to 3 MeV nuc−1 and electrons…”
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The GALPROP Cosmic-ray Propagation and Nonthermal Emissions Framework: Release v57 by Porter, T. A., Jóhannesson, G., Moskalenko, I. V.

“…Abstract The past decade has brought impressive advances in the astrophysics of cosmic rays (CRs) and multiwavelength astronomy, thanks to the new…”
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BAYESIAN ANALYSIS OF COSMIC RAY PROPAGATION: EVIDENCE AGAINST HOMOGENEOUS DIFFUSION by Jóhannesson, G., Austri, R. Ruiz de, Vincent, A. C., Moskalenko, I. V., Orlando, E., Porter, T. A., Strong, A. W., Trotta, R., Feroz, F., Graff, P., Hobson, M. P.

“…ABSTRACT We present the results of the most complete scan of the parameter space for cosmic ray (CR) injection and propagation. We perform a Bayesian search of…”
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Solution of Heliospheric Propagation: Unveiling the Local Interstellar Spectra of Cosmic-ray Species by Boschini, M. J., Torre, S. Della, Gervasi, M., Grandi, D., Jóhannesson, G., Kachelriess, M., Vacca, G. La, Masi, N., Moskalenko, I. V., Orlando, E., Ostapchenko, S. S., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Local interstellar spectra (LIS) for protons, helium, and antiprotons are built using the most recent experimental results combined with state-of-the-art…”
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HelMod in the Works: From Direct Observations to the Local Interstellar Spectrum of Cosmic-Ray Electrons by Boschini, M. J., Torre, S. Della, Gervasi, M., Grandi, D., Jóhannesson, G., La Vacca, G., Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…The local interstellar spectrum (LIS) of cosmic-ray (CR) electrons for the energy range 1 MeV to 1 TeV is derived using the most recent experimental results…”
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FERMI-LAT OBSERVATIONS OF HIGH- AND INTERMEDIATE-VELOCITY CLOUDS: TRACING COSMIC RAYS IN THE HALO OF THE MILKY WAY by Tibaldo, L., Digel, S. W., Casandjian, J. M., Franckowiak, A., Grenier, I. A., Jóhannesson, G., Marshall, D. J., Moskalenko, I. V., Negro, M., Orlando, E., Porter, T. A., Reimer, O., Strong, A. W.

“…ABSTRACT It is widely accepted that cosmic rays (CRs) up to at least PeV energies are Galactic in origin. Accelerated particles are injected into the…”
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CHARACTERIZING COSMIC-RAY PROPAGATION IN MASSIVE STAR-FORMING REGIONS: THE CASE OF 30 DORADUS AND THE LARGE MAGELLANIC CLOUD by MURPHY, E. J, PORTER, T. A, MOSKALENKO, I. V, HELOU, G, STRONG, A. W

“…Using infrared, radio, and gamma -ray data, we investigate the propagation characteristics of cosmic-ray (CR) electrons and nuclei in the 30 Doradus (30 Dor)…”
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Deciphering Residual Emissions: Time-dependent Models for the Nonthermal Interstellar Radiation from the Milky Way by Porter, T. A., Jóhannesson, G., Moskalenko, I. V.

“…Cosmic rays (CRs) in the Galaxy are an important dynamical component of the interstellar medium (ISM) that interact with the other major components…”
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The steady-state multi-TeV diffuse γ-ray emission predicted with galprop and prospects for the Cherenkov Telescope Array by Marinos, P D, Rowell, G P, Porter, T A, Jóhannesson, G

“…ABSTRACT Cosmic rays (CRs) interact with the diffuse gas, radiation, and magnetic fields in the interstellar medium (ISM) to produce electromagnetic emissions…”
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TESTING THE ORIGIN OF HIGH-ENERGY COSMIC RAYS by Vladimirov, A E, Johannesson, G, Moskalenko, I V, Porter, T A

“…Recent accurate measurements of cosmic-ray (CR) protons and nuclei by ATIC-2, CREAM, and PAMELA reveal (1) unexpected spectral hardening in the spectra of CR…”
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Deciphering the Local Interstellar Spectra of Secondary Nuclei with the Galprop/Helmod Framework and a Hint for Primary Lithium in Cosmic Rays by Boschini, M. J., Torre, S. Della, Gervasi, M., Grandi, D., Jøhannesson, G., Vacca, G. La, Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Local interstellar spectra (LIS) of secondary cosmic-ray (CR) nuclei, lithium, beryllium, boron, and partially secondary nitrogen, are derived in the rigidity…”
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Deciphering the Local Interstellar Spectra of Primary Cosmic-Ray Species with HelMod by Boschini, M. J., Torre, S. Della, Gervasi, M., Grandi, D., Jóhannesson, G., Vacca, G. La, Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Local interstellar spectra (LIS) of primary cosmic ray (CR) nuclei, such as helium, oxygen, and mostly primary carbon are derived for the rigidity range from…”
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The Discovery of a Low-energy Excess in Cosmic-Ray Iron: Evidence of the Past Supernova Activity in the Local Bubble by Boschini, M. J., Della Torre, S., Gervasi, M., Grandi, D., Jóhannesson, G., La Vacca, G., Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Since its launch, the Alpha Magnetic Spectrometer-02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR) species ( , ,…”
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GALPROP WebRun: An internet-based service for calculating galactic cosmic ray propagation and associated photon emissions by Vladimirov, A.E., Digel, S.W., Jóhannesson, G., Michelson, P.F., Moskalenko, I.V., Nolan, P.L., Orlando, E., Porter, T.A., Strong, A.W.

“…GALPROP is a numerical code for calculating the galactic propagation of relativistic charged particles and the diffuse emissions produced during their…”
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A Hint of a Low-energy Excess in Cosmic-Ray Fluorine by Boschini, M. J., Della Torre, S., Gervasi, M., Grandi, D., Jóhannesson, G., La Vacca, G., Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Abstract Since its launch, the Alpha Magnetic Spectrometer–02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR) species…”
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Spectra of Cosmic-Ray Sodium and Aluminum and Unexpected Aluminum Excess by Boschini, M. J., Torre, S. Della, Gervasi, M., Grandi, D., Jóhannesson, G., La Vacca, G., Masi, N., Moskalenko, I. V., Pensotti, S., Porter, T. A., Quadrani, L., Rancoita, P. G., Rozza, D., Tacconi, M.

“…Abstract Since its launch, the Alpha Magnetic Spectrometer-02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR)…”
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Target to apoptosis: A hopeful weapon for prostate cancer by Tang, Dean G., Porter, Arthur T.

“…BACKGROUND Prostate cancer is the most commonly diagnosed neoplasm and the second leading cause of male death in this country. Multiple genetic and epigenetic…”
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TESTING THE ORIGIN OF HIGH-ENERGY COSMIC RAYS by VLADIMIROV, A. E, JOHANNESSON, G, MOSKALENKO, I. V, PORTER, T. A

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A Measurement of the Spatial Distribution of Diffuse TeV Gamma-Ray Emission from the Galactic Plane with Milagro by Abdo, A. A, Allen, B, Aune, T, Berley, D, Blaufuss, E, Casanova, S, Chen, C, Dingus, B. L, Ellsworth, R. W, Fleysher, L, Fleysher, R, Gonzalez, M. M, Goodman, J. A, Hoffman, C. M, Hüntemeyer, P. H, Kolterman, B. E, Lansdell, C. P, Linnemann, J. T, McEnery, J. E, Mincer, A. I, Moskalenko, I. V, Nemethy, P, Noyes, D, Porter, T. A, Pretz, J, Ryan, J. M, Parkinson, P. M. Saz, Shoup, A, Sinnis, G, Smith, A. J, Strong, A. W, Sullivan, G. W, Vasileiou, V, Walker, G. P, Williams, D. A, Yodh, G. B

“…Diffuse -ray emission produced by the interaction of cosmic-ray particles with matter and radiation in the Galaxy can be used to probe the distribution of…”
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