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Improved calculations of X-ray spectra for supernova remnants (SNRs) in the Sedov-Taylor phase are reported, which for the first time include reliable atomic data for Fe L-shell lines. This new set of Sedov models also allows for a partial…

天体物理学 · 物理学 2009-10-31 K. J. Borkowski , W. J. Lyerly , S. P. Reynolds

We have studied the distribution patterns of lateral density, arrival time and angular position of Cherenkov photons generated in Extensive Air Showers (EASs) initiated by $\gamma$-ray, proton and iron primaries incident with various…

天体物理仪器与方法 · 物理学 2018-03-15 G. S. Das , P. Hazarika , U. D. Goswami

We propose to build the Electromagnetic calorimeter for the HADES di-lepton spectrometer. It will enable to measure the data on neutral meson production from nucleus-nucleus collisions, which are essential for interpretation of dilepton…

While the international nEDM collaboration at the Paul Scherrer Institut (PSI) took data in 2017 that covered a considerable fraction of the parameter space of claimed potential signals of hypothetical neutron ($n$) to mirror-neutron ($n'$)…

The Medley setup is planned to be moved to and used at the new neutron facility NFS where measurements of light-ion production and fission cross-sections are planned at 1-40 MeV. Medley has eight detector telescopes providing Delta E-Delta…

仪器与探测器 · 物理学 2014-09-09 K. Jansson , C. Gustavsson , S. Pomp , A. V. Prokofiev , G. Scian , D. Tarrío , U. Tippawan

NOvA is a long-baseline accelerator-based neutrino oscillation experiment that is optimized for electron-neutrino appearance measurements. It uses the upgraded NuMI beam from Fermilab and consists of a Far Detector in Ash River, Minnesota…

高能物理 - 实验 · 物理学 2017-10-11 Jianming Bian

Recent results on the properties of the hadronic final state at the HERA collider are presented. Strangeness production and correlations have been studied in the laboratory system for deep inelastic scattering (DIS). Inclusive $K^0_S$,…

高能物理 - 实验 · 物理学 2014-11-17 Chuanlei Liu

It is shown that the hadronic dissociation of space-like $(Q^2>0)$ photons can be directly probed by performing measurements in the fragmentation region of transversely polarized and unpolarized proton beams at the electron-proton collider…

高能物理 - 唯象学 · 物理学 2007-05-23 C. Boros , Liang Zuo-tang , Meng Ta-chung

Proton and $\alpha$-particle energy spectra were measured in coincidence with fission fragments at different relative angles in $^{16}$O (96 MeV) + $^{232}$Th reaction. The multiplicity spectra were analyzed within the framework of a Moving…

In recent years, several experiments at the $e^-p$ collider HERA have collected high precision deep inelastic scattering (DIS) data on the spectrum of leading nucleon carrying a large fraction of the proton's energy. In this paper, we have…

高能物理 - 唯象学 · 物理学 2018-04-18 Samira Shoeibi , F. Taghavi-Shahri , Hamzeh Khanpour , Kurosh Javidan

Combining archival data taken at radio and infrared wavelengths with state-of-the-art measurements at X-ray and gamma-ray energies, we assembled a broadband spectral energy distribution (SED) of Cas A, a young supernova remnant. Except for…

高能天体物理现象 · 物理学 2014-11-21 Miguel Araya , Wei Cui

We have investigated the spatial distribution of the electron temperature generated in a two-dimensional electron system (2DES) subjected to a perpendicular magnetic field. We measure thermoelectric voltages between Ohmic contacts located…

介观与纳米尺度物理 · 物理学 2019-05-09 Akira Endo , Kazuhiro Fujita , Shingo Katsumoto , Yasuhiro Iye

We discuss a newly established neutron monitor station installed at the ENTOTO Observatory Research Center outside of Addis Ababa, Ethiopia. This is a version of a mini-neutron monitor, recently upgraded to detect individual neutrons and…

A first measurement is presented of exclusive photoproduction of $\rho^0$ mesons associated with leading neutrons at HERA. The data were taken with the H1 detector in the years 2006 and 2007 at a centre-of-mass energy of 319 GeV and…

高能物理 - 实验 · 物理学 2016-07-12 S. Levonian

A new type of solar neutron detector (SEDA-FIB) was launched on board the Space Shuttle Endeavor on July 16 2009, and began collecting data at the International Space Station (ISS) on August 25 2009. This paper summarizes four years of…

天体物理仪器与方法 · 物理学 2013-07-23 Y. Muraki , K. Koga , H. Matsumoto , O. Okudaira , S. Shibata , T. Goka , T. Obara , T. Yamamoto

The photoproduction of $D^{*\pm} (2010)$ mesons associated with a leading neutron has been observed with the ZEUS detector in $ep$ collisions at HERA using an integrated luminosity of 80 pb$^{-1}$. The neutron carries a large fraction,…

高能物理 - 实验 · 物理学 2012-08-27 ZEUS Collaboration

Elastic electromagnetic form factors of nucleons are investigated both for the time-like and the space-like momentums by using the unsubtracted dispersion relation with QCD constraints. It is shown that the calculated form factors reproduce…

高能物理 - 唯象学 · 物理学 2010-02-02 Susumu Furuichi , Hirohisa Ishikawa , Keiji Watanbe

In view of the current efforts to extend the KASCADE experiment (KASCADE-Grande) for observations of Extensive Air Showers (EAS) of primary energies up to 1 EeV, the features of muon arrival time distributions and their correlations with…

天体物理学 · 物理学 2008-11-26 I. M. Brancus , H. Rebel , A. F. Badea , A. Haungs , C. D. Aiftimiei , J. Oehlschlaeger , M. Duma

We present new models for the forward and reverse shock thermal X-ray emission from core-collapse and Type Ia supernova remnants (SNRs) which include the efficient production of cosmic rays via non-linear diffusive shock acceleration (DSA).…

高能天体物理现象 · 物理学 2015-06-22 Shiu-Hang Lee , Daniel J. Patnaude , Donald C. Ellison , Shigehiro Nagataki , Patrick O. Slane

We present the first extraction of the transversity distribution based on the global analysis of pion-pair production in deep-inelastic scattering and in proton-proton collisions with one transversely polarized proton. The extraction relies…

高能物理 - 唯象学 · 物理学 2018-10-02 Marco Radici
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