English
Related papers

Related papers: Space Charge Limits in the Dae$\delta$alus DIC Com…

200 papers

A lower bound on $\Delta m^{2}$ for atmospheric neutrino oscillations can be obtained from the global value of $R$ at a given energy. This bound may be more reliable than one based on the observed isotropy. Some global values of $R$ imply…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. LoSecco

We report the results of a new experimental search for a permanent electric dipole moment of 199Hg utilizing a stack of four vapor cells. We find d(199Hg) = (0.49 \pm 1.29_stat \pm 0.76_syst) x 10^{-29} e cm, and interpret this as a new…

Atomic Physics · Physics 2009-03-11 W. C. Griffith , M. D. Swallows , T. H. Loftus , M. V. Romalis , B. R. Heckel , E. N. Fortson

The charged current weak production of $\Delta (1232)$ from the free proton target induced by the electron/positron in the intermediate energy range corresponding to the beam energy available at JLab and Mainz, has been studied. The results…

High Energy Physics - Phenomenology · Physics 2024-07-10 A. Fatima , M. Sajjad Athar , S. K. Singh

Recently, we have shown the existence of a finite energy one-half monopole. In this paper, we would like to introduce electric charge into the one-half monopole configuration, thus creating a one-half dyon. This one-half dyon possesses…

High Energy Physics - Theory · Physics 2015-06-11 Rosy Teh , Ban-Loong Ng , Khai-Ming Wong

Monolayer group VI transition metal dichalcogenides have recently emerged as semiconducting alternatives to graphene in which the true two-dimensionality (2D) is expected to illuminate new semiconducting physics. Here we investigate…

Mesoscale and Nanoscale Physics · Physics 2014-03-05 Jason S Ross , Sanfeng Wu , Hongyi Yu , Nirmal J Ghimire , Aaron M Jones , Grant Aivazian , Jiaqiang Yan , David G. Mandrus , Di Xiao , Wang Yao , Xiaodong Xu

A Multi Megawatt Cyclotron complex able to accelerate H2+ to 800 MeV/amu is under study. It consists of an injector cyclotron able to accelerate the injected beam up to 50 MeV/n and of a booster ring made of 8 magnetic sectors and 8 RF…

Instrumentation and Detectors · Physics 2010-10-08 L. Calabretta , M. Maggiore , L. A. C. Piazza , D. Rifuggiato , A. Calanna

We present results demonstrating the space charge-mediated transition between classical, diffusion-limited current and surface-conduction dominant over-limiting current in a shallow micro-nanochannel device. The extended space charge layer…

Fluid Dynamics · Physics 2015-06-30 Jarrod Schiffbauer , Uri Liel , Neta Leibowitz , Sinwook Park , Gilad Yossifon

A search for resonant absorption of the solar axion by $^{83}\rm{Kr}$ nuclei was performed using the proportional counter installed inside the low-background setup at the Baksan Neutrino Observatory. The obtained model independent upper…

Data from the power output of the radioisotope thermoelectric generators aboard the Cassini spacecraft are used to test the conjecture that small deviations observed in terrestrial measurements of the exponential radioactive decay law are…

Astrophysics · Physics 2009-07-17 Peter S. Cooper

Recently, we have discussed the coexistence of a finite energy one-half monopole and a 't Hooft-Polyakov monopole of opposite magnetic charges. In this paper, we would like to introduce electric charge into this new monopoles configuration,…

High Energy Physics - Theory · Physics 2015-06-18 Rosy Teh , Ban-Loong Ng , Khai-Ming Wong

This study explores the suitability of hydrogen-based plasma in direct power extraction (DPE) as a non-conventional electricity generation method. We apply computational modeling and principles in physics and chemistry to estimate different…

Plasma Physics · Physics 2024-12-03 Osama A. Marzouk

Gas stopping is becoming the method of choice for converting beams of rare isotopes obtained via projectile fragmentation and in-flight separation into low-energy beams. These beams allow ISOL-type experiments, such as mass measurements…

Instrumentation and Detectors · Physics 2009-11-13 C. Guenaut , G. Bollen , S. Chouhan , F. Marti , D. J. Morrissey , D. Lawton , J. Ottarson , G. K. Pang , S. Schwarz , B. M. Sherrill , M. Wada , A. F. Zeller

From various cosmological, astrophysical and terrestrial requirements, we derive conservative upper bounds on the present-day fraction of the mass of the Galactic dark matter (DM) halo in charged massive particles (CHAMPs). If dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. J. Sanchez-Salcedo , E. Martinez-Gomez , J. Magana

Dyson spheres are hypothetical megastructures built by advanced extraterrestrial civilizations to harvest radiation energy from stars. Here, we combine optical data from Gaia DR2 with mid-infrared data from AllWISE to set the strongest…

Astrophysics of Galaxies · Physics 2022-02-09 Matías Suazo , Erik Zackrisson , Jason T. Wright , Andreas Korn , Macy Huston

We have observed long-lived (~30 ps) coherent oscillations of charge carriers due to cyclotron resonance (CR) in high-mobility two-dimensional electrons in GaAs in perpendicular magnetic fields using time-domain terahertz spectroscopy. The…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 X. Wang , D. J. Hilton , J. L. Reno , D. M. Mittleman , J. Kono

One of the decisive issues in the design and operation of cyclotrons is the choice of the beam extraction method. Typical methods are extraction by electrostatic extractors and by stripping. The former method requires DC high voltage…

Accelerator Physics · Physics 2023-03-14 Christian Baumgarten

The conditions for the cancellation of one loop contributions to vacuum energy (both U.V. divergent and finite) coming from the known (Standard Model) fields and the field associated with the hypothetical 750 Gev diphoton excess are…

High Energy Physics - Phenomenology · Physics 2016-04-11 Alexander Y. Kamenshchik , Alexei A. Starobinsky , Alessandro Tronconi , Gian Paolo Vacca , Giovanni Venturi

The absence of vacuum Cherenkov radiation for 104.5 GeV electrons and positrons at LEP combined with the observed stability of 300 GeV photons at the Tevatron constrains deviations of the speed of light relative to the maximal attainable…

High Energy Physics - Phenomenology · Physics 2014-11-18 Michael A. Hohensee , Ralf Lehnert , David F. Phillips , Ronald L. Walsworth

Dual-phase xenon detectors are widely used in dark matter direct detection experiments, and have demonstrated the highest sensitivities to a variety of dark matter interactions. However, a key component of the dual-phase detector…

Instrumentation and Detectors · Physics 2019-06-05 Jingke Xu , Sergey Pereverzev , Brian Lenardo , James Kingston , Daniel Naim , Adam Bernstein , Kareem Kazkaz , Mani Tripathi
‹ Prev 1 3 4 5 6 7 10 Next ›