Results 11 to 20 of about 54,467 (314)
Neutron-mirror neutron mixing and neutron stars [PDF]
AbstractThe oscillation of neutron n into mirror neutron $$n'$$ n ′ , its mass degenerate partner from dark mirror sector, can gradually transform the neutron stars into the mixed stars consisting in part of mirror dark matter. In quark stars $$n-n'$$
Berezhiani Z. +3 more
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Neutron–Mirror-Neutron Oscillation and Neutron Star Cooling
It was pointed out in a recent paper that the observed cooling rate of old, cold neutron stars (NS) can provide an upper limit on the transition rate of neutron to mirror neutron ($n-n'$). This limit is so stringent that it would preclude any discovery of $n \to n'$ oscillation in the current round of terrestrial searches for the process.
Itzhak Goldman +3 more
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14 pages, 4 figures, minor correction, accepted for publication in Phys.
Ando, Shung-ichi, Kubodera, Kuniharu
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PROTO-NEUTRON AND NEUTRON STARS [PDF]
Prepared for International Workshop on Astronomy and Relativistic Astrophysics (IWARA 2007), Joao Pessoa, Brazil, 3-6 Oct ...
Dexheimer, V., Schramm, S., Stoecker, H.
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Search for Neutron-to-Hidden-Neutron Oscillations in an Ultracold Neutron Beam
Models that postulate the existence of hidden sectors address contemporary questions, such as the source of baryogenesis and the nature of dark matter. Among the possible mixing processes, neutron-to-hidden-neutron oscillations have been repeatedly tested with ultra-cold neutron storage and passing-through-wall experiments in the range of small ($δm<
G. Ban +13 more
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Neutron-neutron and neutron-photon correlations withFREYA [PDF]
For many years, the state of the art for modeling fission in radiation transport codes has involved sampling from average distributions. However, in a true fission event, the energies, momenta and multiplicities of emitted particles are correlated. The FREYA (Fission Reaction Event Yield Algorithm) code generates complete fission events. Event-by-event
Vogt R., Randrup J.
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Quantum Control for Neutrons in Nuclear Reaction
Quantum control of neutrons in nuclear reaction in considered in this work. Neutrons fission from uranium 235U of chain reaction is interested to be controlled as target theoretically.
Quan-Fang, Wang
core +1 more source
Floating Zone Growth of Sr Substituted Han Purple: Ba0.9Sr0.1CuSi2O6
We present a route to grow single crystals of Ba 0.9 Sr 0.1 CuSi 2 O 6 suitable for inelastic neutron studies via the floating zone technique.
Pascal Puphal +3 more
doaj +1 more source
The Sub-Molecular and Atomic Theory of Cancer Beginning: The Role of Mitochondria
Life as we know it is made of strict interaction of atom, metabolism, and genetics, made around the chemistry of the most common elements of the universe: hydrogen, oxygen, nitrogen, sulfur, phosphorus, and carbon.
Mario G. Balzanelli +11 more
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Field Prototype of the ENEA Neutron Active Interrogation Device for the Detection of Dirty Bombs
The Italian National Agency for New Technologies, Energy, and Sustainable Economic Development (ENEA) Neutron Active Interrogation (NAI) device is a tool designed to improve CBRNE defense.
Nadia Cherubini +6 more
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