The large equivalent-photon fluxes accompanying Pb ion beams at the LHC initiate photonphoton and photo-nuclear interactions which dominate when the colliding nuclei have large impact parameter (ultra-peripheral colli...
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Measurement of electroweak boson production in different collision systems are of great interest to understanding the partonic structure of heavy nuclei, and serve as a constraint on the initial state in larger collis...
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The azimuthal anisotropies of particle yields observed in relativistic heavy-ion collisions have been traditionally considered as a strong evidence of the formation of a deconfined quark-gluon plasma produced in these...
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The major LHC upgrade is planned after ten years of accelerator operation. It is foreseen to significantly increase the luminosity of the current machine up to 1035 cm2s1 and operate as the upcoming High Luminosity LH...
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Boltzmann transport theory with constant relaxation time approximation is applied to calculate electron transport coefficients in disordered multi-atom alloys. It allows to determine physical quantities, such as elect...
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Exclusive processes at HERA can lead to a deeper insight into production mechanisms in QCD. A series of processes is presented here. A first measurement is presented of exclusive photoproduction of ρ0 mesons associat...
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The measurement of the central exclusive production of charged hadron pairs h+h- (h = p, K, p) by the STAR experiment at RHIC is reported. The data from proton-proton collisions at vs = 200 GeV were used in this study...
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Electron localized in a quantum dot in the vicinity of conductor surface, causes an induced potential to appear. This potential enables self-focusing of electron wave function. Because of this feature, in a planar nan...
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Electron localized in a quantum dot in the vicinity of conductor surface, causes an induced potential to appear. This potential enables self-focusing of electron wave function. Because of this feature, in a planar nanostructure consisting of a quantum well covered with a layer of an insulator, on top of which metal electrodes are deposited, formation of induced dots and quantum wires is possible. By applying appropriate voltages to the electrodes, it is feasible to transport an electron in a fully controllable way in a form of a stable wave packet between two specific locations in a nanodevice. While transporting an electron along properly shaped closed loops, spin-orbit coupling intrinsically present in a semiconductor nanostructure can be employed to perform operations on an electron spin.
The design and the preliminary measurements of a prototype 10 bit pipeline ADC based on 1.5-bit per stage architecture, developed for the luminosity detector at International Linear Collider (ILC) are presented. The A...
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ISBN:
(纸本)9789290833352
The design and the preliminary measurements of a prototype 10 bit pipeline ADC based on 1.5-bit per stage architecture, developed for the luminosity detector at International Linear Collider (ILC) are presented. The ADC is designed in two versions, with and without a sample-and-hold circuit (S/H) at the input. The prototypes are fabricated in 0.35 μm CMOS technology. A dedicated test setup with a fast FPGA based data acquisition system (DAQ) is developed for the ADC testing. The measurements of static (INL, DNL) and dynamic parameters are performed to understand and quantify the circuit performance. The integral (INL) and differential (DNL) nonlinearity are below 1 LSB and 0.5 LSB respectively. The dynamic measurements show signal to noise (SNHR) ratio of about 58 dB for sampling frequency up to 25 MHz.
The combination of magnetic materials and carbon nanotubes (CNTs) is a promising research direction with a wide range of applications such as magnetic storage and drug delivery free of toxicity. It is well known that ...
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