4,829 research outputs found
Probing new physics in rare decays of b-flavored Hadrons in CMSSM/mSUGRA SUSY SO (10) theories
The implications of the latest measurement of the branching fraction of B() of b hadrons, which is another signature of New
Physics beyond Standard Model is presented here. The quark transitions , do not happen at tree level in the
Standard Model as the Z boson does not couple to quarks of different flavour.
In this work the present bounds on the quark transition
within the constrained minimal supersymmetric extension of the Standard Model
(CMSSM), in which there are three independent soft SUSY breaking parameters , and is illustrated. The recent constraint on B(), B(), the recently
measured value of Higgs mass at LHC, , the value of from
reactor data and the Higgs branching ratios set very strong constraints on New
Physics models, in particular supersymmetry. A new epoch for this research has
begun since the Large Hadron Collider beauty (LHCb) experiment started
affording data for various observables for these decays. The results presented
here in mSUGRA/CMSSM models may gain access to supersymmetry even at scales
beyond the direct reach of the LHC and the susceptibleness to test these
theories at the next run of LHC is also explored.Comment: 13 pages, 5 figure
Classification of Humans into Ayurvedic Prakruti Types using Computer Vision
Ayurveda, a 5000 years old Indian medical science, believes that the universe and hence humans are made up of five elements namely ether, fire, water, earth, and air. The three Doshas (Tridosha) Vata, Pitta, and Kapha originated from the combinations of these elements. Every person has a unique combination of Tridosha elements contributing to a person’s ‘Prakruti’. Prakruti governs the physiological and psychological tendencies in all living beings as well as the way they interact with the environment. This balance influences their physiological features like the texture and colour of skin, hair, eyes, length of fingers, the shape of the palm, body frame, strength of digestion and many more as well as the psychological features like their nature (introverted, extroverted, calm, excitable, intense, laidback), and their reaction to stress and diseases. All these features are coded in the constituents at the time of a person’s creation and do not change throughout their lifetime. Ayurvedic doctors analyze the Prakruti of a person either by assessing the physical features manually and/or by examining the nature of their heartbeat (pulse). Based on this analysis, they diagnose, prevent and cure the disease in patients by prescribing precision medicine.
This project focuses on identifying Prakruti of a person by analysing his facial features like hair, eyes, nose, lips and skin colour using facial recognition techniques in computer vision. This is the first of its kind research in this problem area that attempts to bring image processing into the domain of Ayurveda
A Micro Power Hardware Fabric for Embedded Computing
Field Programmable Gate Arrays (FPGAs) mitigate many of the problemsencountered with the development of ASICs by offering flexibility, faster time-to-market, and amortized NRE costs, among other benefits. While FPGAs are increasingly being used for complex computational applications such as signal and image processing, networking, and cryptology, they are far from ideal for these tasks due to relatively high power consumption and silicon usage overheads compared to direct ASIC implementation. A reconfigurable device that exhibits ASIC-like power characteristics and FPGA-like costs and tool support is desirable to fill this void. In this research, a parameterized, reconfigurable fabric model named as domain specific fabric (DSF) is developed that exhibits ASIC-like power characteristics for Digital Signal Processing (DSP) style applications. Using this model, the impact of varying different design parameters on power and performance has been studied. Different optimization techniques like local search and simulated annealing are used to determine the appropriate interconnect for a specific set of applications. A design space exploration tool has been developed to automate and generate a tailored architectural instance of the fabric.The fabric has been synthesized on 160 nm cell-based ASIC fabrication process from OKI and 130 nm from IBM. A detailed power-performance analysis has been completed using signal and image processing benchmarks from the MediaBench benchmark suite and elsewhere with comparisons to other hardware and software implementations. The optimized fabric implemented using the 130 nm process yields energy within 3X of a direct ASIC implementation, 330X better than a Virtex-II Pro FPGA and 2016X better than an Intel XScale processor
Recovery of bilevel causal signals with finite rate of innovation using positive sampling kernels
Bilevel signal with maximal local rate of innovation is a
continuous-time signal that takes only two values 0 and 1 and that there is at
most one transition position in any time period of 1/R.In this note, we
introduce a recovery method for bilevel causal signals with maximal local
rate of innovation from their uniform samples , where the
sampling kernel is causal and positive on , and the sampling rate
is at (or above) the maximal local rate of innovation . We also
discuss stability of the bilevel signal recovery procedure in the presence of
bounded noises
Octant Degeneracy, Quadrant of leptonic CPV phase at Long Baseline Neutrino Experiments and Baryogenesis
In a recent work by us, we have studied, how CP violation discovery potential
can be improved at long baseline neutrino experiments (LBNE/DUNE), by combining
with its ND (near detector) and reactor experiments. In this work, we discuss
how this study can be further analysed to resolve entanglement of the quadrant
of leptonic CPV phase and Octant of atmospheric mixing angle ,
at LBNEs. The study is done for both NH (Normal hierarchy) and IH (Inverted
hierarchy), HO (Higher Octant) and LO (Lower Octant). We show how baryogenesis
can enhance the effect of resolving this entanglement, and how possible values
of the leptonic CP-violating phase can be predicted in this
context. With respect to the latest global fit data of neutrino mixing angles,
we predict the values of for different cases. In this context
we present favoured values of ( range at 2 ) constrained by the latest updated BAU range and also confront
our predictions of with an up-to-date global analysis of
neutrino oscillation data. We find that some region of the favoured parameter space lies within the best fit values around . A detailed analytic and numerical study of
baryogenesis through leptogenesis is performed in this framework in a model
independent way.Comment: 14 pages, 5 figures, 2 Tables, New Analysi
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