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We present new calculations of LiBeB production by accelerated particles with various compositions and energy spectra ranging from low energies to relativistic energies, and various ambient medium metallicities ($Z/Z_\odot$). The observed,…

Astrophysics · Physics 2009-10-28 R. Ramaty , H. Reeves , R. E. Lingenfelter , B. Kozlovsky

Low-energy neutrinos are clean messengers from supernovae explosions and probably carry unique insights into the process of stellar evolution. We estimate the expected number of events considering coherent elastic scattering of neutrinos…

High Energy Physics - Phenomenology · Physics 2020-12-22 Ana Luisa Foguel , Eduardo Souza Fraga , Carla Bonifazi

In our Galaxy, light antinuclei composed of antiprotons and antineutrons can be produced through high-energy cosmic-ray collisions with the interstellar medium or could also originate from the annihilation of dark-matter particles that have…

Nuclear Experiment · Physics 2022-12-19 ALICE Collaboration

Extremely high energy (EHE) neutrinos (with energies above $10^7$ GeV) are produced in interactions of the highest energy cosmic rays. A primary contribution to the EHE neutrino flux is expected from so-called cosmogenic neutrinos produced…

High Energy Astrophysical Phenomena · Physics 2023-08-16 Maximilian Meier , Brian Clark

The yields and production rates of the radioisotopes $^9$Li and $^8$He created by cosmic muon spallation on $^{12}$C, have been measured by the two detectors of the Double Chooz experiment. The identical detectors are located at separate…

We have observed warm molecular hydrogen in two nearby edge-on disk galaxies, NGC 4565 and NGC 5907, using the Spitzer high-resolution infrared spectrograph. The 0-0 S(0) 28.2 micron and 0-0 S(1) 17.0 micron pure rotational lines were…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Seppo Laine , Philip N. Appleton , Stephen T. Gottesman , Matthew L. N. Ashby , Catherine A. Garland

While neutrinos are often treated as a background for many dark matter experiments, these particles offer a new avenue for physics: the detection of core-collapse supernovae. Supernovae are extremely energetic, violent and complex events…

The Cryogenic Dark Matter Search (CDMS-II) employs low-temperature Ge and Si detectors to seek Weakly Interacting Massive Particles (WIMPs) via their elastic scattering interactions with nuclei. Simultaneous measurements of both ionization…

Astrophysics · Physics 2012-08-27 CDMS Collaboration

Results of experimental cross sections for residual nuclide production in interactions of 200 MeV/A 12C ions and 0.2 and 2.6 GeV protons with nat-Cu, 59Co, and 27Al targets are presented. The residual products are measured at ITEP (Moscow)…

Light element nucleosynthesis is an important chapter of nuclear astrophysics. Specifically, the rare and fragile light nuclei Lithium, Beryllium and Boron (LiBeB) are not generated in the normal course of stellar nucleosynthesis (except…

Astrophysics · Physics 2009-10-31 Elisabeth Vangioni-Flam , Michel Casse

The radiolysis of a nitrogen-acetone mixture, condensed at 11 K, by 40 MeV $^{58}$Ni$^{11+}$ ions is studied. These results are representative of studies concerning solar system objects exposed to cosmic rays. In the Kuiper Belt, region of…

Earth and Planetary Astrophysics · Physics 2017-12-06 A. L. F. de Barros , D. P. P. Andrade , E. F. da Silveira , K. F. Alcantara , P. Boduch , H. Rothard

One of the key aspects of a detector material for space-borne hard X-ray and gamma-ray telescopes is the rate of prompt and delayed background events generated inside the material by charged and neutral particles striking the detector.…

To understand better the early galactic production of Li, Be, and B by cosmic ray spallation and fusion reactions, the dependence of these production rates on cosmic ray models and model parameters is examined. The sensitivity of elemental…

Astrophysics · Physics 2009-09-25 Brian Fields , Keith Olive , David Schramm

We report results from a 2018 pilot run to study the feasibility of nuclear fragmentation measurements with the NA61/SHINE experiment at the CERN SPS. These results are important for the interpretation of the production of light secondary…

Nuclear Experiment · Physics 2024-10-25 SHINE Collaboration

Radioactive isotopes produced in core-collapse supernovae (CCSNe) provide useful insights into the underlying processes driving the collapse mechanism and the origins of elemental abundances. Their study generates a confluence of major…

Solar and Stellar Astrophysics · Physics 2020-09-30 Kirby Hermansen , Sean M. Couch , Luke F. Roberts , Hendrik Schatz , MacKenzie L. Warren

A high production rate of negative hydrogen ion was observed from a nanoporous C12A7 electride surface immersed in hydrogen/deuterium low-pressure plasmas. The target was biased at 10-170 V negatively and the target surface was bombarded by…

We study the neutrino-induced production of nuclides in explosive supernova nucleosynthesis for progenitor stars with solar metallicity including neutrino nucleus reactions for all nuclei with charge numbers $Z < 76$ with average neutrino…

High Energy Astrophysical Phenomena · Physics 2018-10-17 A. Sieverding , G. Martínez-Pinedo , L. Huther , K. Langanke , A. Heger

Cosmic rays of kinetic energies below ~1 GeV per nucleon are thought to play a key role in the chemistry and dynamics of the interstellar medium. They are also thought to be responsible for nucleosynthesis of the light elements Li, Be, and…

High Energy Astrophysical Phenomena · Physics 2011-09-09 V. Tatischeff , J. Kiener

We investigate the possibility that the recently detected TeV-PeV neutrino events by IceCube can originate from extragalactic ultra-high-energy cosmic ray interactions with the cosmic microwave background or the UV/optical/IR background.…

High Energy Astrophysical Phenomena · Physics 2014-07-25 Guenter Sigl , Arjen van Vliet

Nuclear recoils in crystal detectors generate radiation damage in the form of crystal defects that can be measured in scientific-grade CCDs as local hot spots of leakage current stimulated by temperature increases in the devices. In this…

Instrumentation and Detectors · Physics 2022-11-08 Steven J. Lee
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