Results 41 to 50 of about 1,323,419 (340)

Experimental investigation of effective atomic numbers for some binary alloys

Nuclear Engineering and Technology, 2017
In the present work, the gamma ray backscattering technique was used to determine the effective atomic numbers for certain binary alloys. With the help of a muffle furnace, the binary alloys were synthesized using the melt quenching technique with ...
Renu Sharma, J.K. Sharma, Taranjot Kaur, Tejbir Singh, Jeewan Sharma, Parjit S. Singh   +5 more
doaj   +1 more source

Atomic number fluctuations in a mixture of two spinor condensates

, 2010
We study particle number fluctuations in the quantum ground states of a mixture of two spin-1 atomic condensates when the interspecies spin-exchange coupling interaction $c_{12}\beta$ is adjusted.
Xu, Z. F., You, L., Zhang, Jie, Zhang, Yunbo   +3 more
core   +1 more source

Atomic number prior guided network for prohibited items detection from heavily cluttered X-ray imagery

Frontiers in Physics, 2023
Prohibited item detection in X-ray images is an effective measure to maintain public safety. Recent prohibited item detection methods based on deep learning has achieved impressive performance.
Jinwen Chen, Jiaxu Leng, Xinbo Gao, Mengjingcheng Mo, Shibo Guan   +4 more
doaj   +1 more source

Even-odd parity effects in conductance and shot noise of metal-atomic wire-metal(superconducting) junctions

, 2002
In this paper, we study the conductance and shot noise in transport through a multi-site system in a two terminal configuration. The dependence of the transport on the number of atoms in the atomic wire is investigated using a tight-binding Hamiltonian ...
A. F. Andreev, A. F. Andreev, A. F. Andreev, A. I. Yanson, A. L. Yeyati, A. Oguri, F. R. Waugh, G. B. Lesovik, G. Rubio-Bollinger, H. Ohnishi, H.-S. Sim, J. Friedel, J. M. Krans, L. V. Keldysh, M. Büttiker, N. D. Lang, N. D. Lang, P. L. Pernas, R. Landauer, S. Hershfield, T. V. Shahbazyan, Tae-Suk Kim, Ya. M. Blanter   +22 more
core   +1 more source

Dopant Concentration and Effective Atomic Number of Copper-Doped Potassium Borate Glasses

Advances in Materials Science and Engineering, 2013
Copper-doped (0.5 mol%) and undoped potassium borate glasses have been prepared by the composition of (100-x)H3BO3 + xK2CO3, where 10 ≤ x ≤ 30 mol % by the traditional melting quenching method. The structural pattern of glasses with different composition
I. Hossain, N. K. Shekaili, H. Wagiran
doaj   +1 more source

Calculation of effective atomic numbers and electron densities of different types of material for total photon interaction in the continuous energy region via different methods

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017
Effective atomic number (Zeff) and electron density (Neff) are convenient parameters used to characterise the radiation response of a multi-element material in the technical and industrial applications, radiation shielding design, absorbed dose and ...
Mehmet Büyükyıldız
doaj   +1 more source

Spontaneous Symmetry Breaking of Population between Two Dynamic Attractors in a Driven Atomic Trap: Ising-class Phase Transition

, 2005
We have observed spontaneous symmetry breaking of atomic populations in the dynamic phase-space double-potential system, which is produced in the parametrically driven magneto-optical trap of atoms.
D. E. Sesko, Doochul Kim, Heung-Ryoul Noh, J. C. Maxwell, Ki-Hwan Lee, Kihwan Kim, Kiyoub Jang, L. P. kadanoff, Myoung-Sun Heo, Wonho Jhe   +9 more
core   +1 more source

Controlling the cold collision shift in high precision atomic interferometry [PDF]

, 2002
We present here a new method based on a transfer of population by adiabatic passage that allows to prepare cold atomic samples with a well defined ratio of atomic density and atom number. This method is used to perform a measurement of the cold collision
A. Clairon, A. Messiah, C. Salomon, F. Pereira Dos Santos, H. Marion, M. Bijlsma, P. Lemonde, S. Bize, S. Bize, S. Bize, S. Ghezali, Y. Sortais, Y. Sortais   +12 more
core   +4 more sources

Towards a juggling 87Rb atomic dual fountain

AIP Advances, 2018
This paper presents methods for achieving and optimizing a Juggling Atomic Dual Fountain (JADF) of alkali atom 87Rb with one magneto-optical trap (MOT) vacuum chamber.
Qingqing Hu, Jun Yang, Yukun Luo, Aiai Jia, Fufang Xu, Chunhua Wei, Qixue Li   +6 more
doaj   +1 more source

A transferable artificial neural network model for atomic forces in nanoparticles

, 2018
We have designed a new method to fit the energy and atomic forces using a single artificial neural network (SANN) for any number of chemical species present in a molecular system.
Bulusu, Satya S., Jindal, Shweta
core   +1 more source