9,004 research outputs found

    Single Top and Higgs Production in epe^- p collisions

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    In this proceedings some studies on the prospects of single top production at the Large Hadron Electron Collider (LHeC) and double Higgs production at the Future Circular Hadron Electron Collider (FCC-he) shall be presented. In particular, we investigated the tbWtbW couplings via single top quark production with the introduction of possible anomalous Lorentz structures, and measured the sensitivity of the Higgs self coupling (λ\lambda) through double Higgs production. The studies are performed with 60 GeV electrons colliding with 7 (50) TeV protons for the LHeC (FCC-he). For the single top studies a parton level study has been performed, and we find the sensitivity of the anomalous coupling at a 95\% C.L, considering 10-1\% systematic errors. The double Higgs production has been studied with speculated detector parameters and the sensitivity of λ\lambda estimated via the cross section study around the Standard Model Higgs self coupling strength (λSM\lambda_{SM}) considering 5\% systematic error in signal and backgrounds. Effects of non-standard CP-even and CP-odd couplings for hhhhhh, hWWhWW and hhWWhhWW vertices have been studied and constrained at 95\% C.L.Comment: 7 pages, 2 figures, submitted to the proceedings of the HEPP 2015 worksho

    Eigenvalue monotonicity of qq-Laplacians of trees along a poset

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    Let TT be a tree on nn vertices with qq-Laplacian LTqL_{T}^{q}. Let GTSnGTS_n be the generalized tree shift poset on the set of unlabelled trees with nn vertices. We prove that for all qRq \in R, going up on GTSnGTS_n has the following effect: the spectral radius and the second smallest eigenvalue of LTqL_{T}^{q} increase while the smallest eigenvalue of LTqL_{T}^{q} decreases. These generalize known results for eigenvalues of the Laplacian. As a corollary, we obtain consequences about the eigenvalues of q,tq,t-Laplacians and exponential distance matrices of trees

    Economic Implications of Peste des petits ruminants (PPR) Disease in Sheep and Goats: A Sample Analysis of District Pune, Maharastra

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    The paper has reported a cross-sectional sample survey conducted across six villages severely affected by peste des petits ruminants disease to assess the nature and extent of loss in small ruminants. The study is based on the data pertaining to disease incidence, production losses, costs incurred and impact on farm productivity collected though personal interview method. The incidence and mortality rate have been found slightly higher in sheep than goats. The total losses due to disease have been found to range between Rs 918 in sheep to Rs 945 in goats. Reduction in the market value of animals has been recorded as the major loss component as appearance of the animal changes drastically after the illness, costing Rs. 404 (44%) in sheep and Rs 408 (43%) in goat. It is followed by losses in production yield. Expenditure on medicine and infertility has been found to cause more than 80 per cent of the total cost, followed by veterinary and labour services. The study has suggested that timely vaccination could be the best and low-cost preventive measure to control such deadly disease outbreaks.Agricultural and Food Policy,

    Technology and social anxieties, attitudes and behavioral intentions of Singaporeans towards using self-service technology (SST)

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    The interactions between customers and service organizations, known as service encounters, have generally been between front-liner and consumers. Gradually however, these encounters are changing with the introduction of self-service facilities that are quickly replacing service staff. The use of self-service technology has seen an incredible amount of growth globally over the last few years. Self-service technologies are currently being used in more diverse ways for new services than once thought possible. The expenditure on self-service kiosks is expected to rise by 88% and the dollar value of transactions taking place through self-service technology should exceed 1.3 trillion by 2007 (Avery, 2007). Consequently, self-service technology is affecting today’s service encounters. This has come about as a result of innovations in modern technology and increased labor cost (Dabholkar & Bagozzi, 2002; Honebein & Cammarano, 2005). The possible reduction in human contact may affect consumer commitment and satisfaction, making it indispensable to examine self-service technology usage, particularly in the long-term (Beatson, Lee, & Coote, 2007). The area of self-service technology has recently drawn much attention from not only practitioners but also academic researchers who are trying to understand how consumers interpret a self-service experience (Curran, Meuter, & Surprenant, 2003; Dabholkar & Bagozzi, 2002; Kincaid & Baloglu, 2005; Meuter, Bitner, Ostrom & Brown, 2005). Essentially there have been more qualitative studies on self-service technology experiences to determine what factors influence a satisfactory or unsatisfactory experience, and relatively fewer quantitative studies to support why consumers use self-service technology over a full-service option. At present, there is a lack of empirical data about the attributes of self-service technology that will draw customers away from a full-service option and encourage them to become partial employees by using a self-service technology to facilitate a service transaction. Conversely, understanding the attributes of self-service technology that discourage customers from staying with a self-serve option is also extremely important. Therefore, comprehension of the positive and the negative elements of selfservice technology can provide insights into customers\u27 attitude and intentions to use self-service technology
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