2,847 research outputs found

    Complexes of Some Group(IV) Metal Halides with 5-Aminoindazole

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    The synthesis and characterisation of Sn(IV) halides, Ge(IV), Ti(IV) and Zr(IV) chloride complexes of the type MX4 : Li_ 2 with 5-aminoindazole has been made. The possible structure of these complexes has been proposed on the basis of elemental analysis and infrared spectroscopy. The IR spectra suggest unidentate behaviour of the ligand involving pyrrole nitrogen in all the cases except the tin(IV) bromide complex, where the ligand exhibits its bidentate nature, involving the pyridyl nitrogen. An octahedral geometry has been proposed for all the complexes. In the case of MX4 :\u27L type complexes, except for SnBr4 : L, an octahedral halogen bridged structure has been proposed

    Revisiting νμ(νˉμ)\nu_\mu(\bar\nu_\mu) and νe(νˉe)\nu_e(\bar\nu_e) Induced Quasielastic Scattering from Nuclei in Sub-GeV Energy Region

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    We present the results of charged current quasielastic(CCQE) scattering cross sections from free as well as bound nucleons like in 12C^{12}C, 16O^{16}O, 40Ar^{40}Ar and 208Pb^{208}Pb nuclear targets in Eν(νˉ) ≤ E_\nu(_{\bar\nu})~\le~ 1 GeV energy region. The results are obtained using local Fermi gas model with and without RPA effect. The differences those may arise in the electron and muon production cross sections due to the different lepton mass, uncertainties in the axial dipole mass MAM_A and pseudoscalar form factor, and due to the inclusion of second class currents have been highlighted for neutrino/antineutrino induced processes.Comment: Published in Journal of the Physical Society of Japan (NuInt-2015

    Electromagnetic and Weak Nuclear Structure Functions F1,2(x,Q2)F_{1,2}(x,Q^2) in the Intermediate Region of Q2Q^2

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    We have studied nuclear structure functions F1A(x,Q2)F_{1A}(x,Q^2) and F2A(x,Q2)F_{2A}(x,Q^2) for electromagnetic and weak processes in the region of 1GeV2<Q2<8GeV21 GeV^2 < Q^2 <8 GeV^2. The nuclear medium effects arising due to Fermi motion, binding energy, nucleon correlations, mesonic contributions and shadowing effects are taken into account using a many body field theoretical approach. The calculations are performed in a local density approximation using a relativistic nucleon spectral function. The results are compared with the available experimental data. Implications of nuclear medium effects on the validity of Callan-Gross relation are also discussed.Comment: Published in Journal of the Physical Society of Japan (NuInt-2015

    Nucleon and nuclear structure functions with non-perturbative and higher order perturbative QCD effects

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    We have studied the nucleon structure functions FiNEM(x,Q2); i=1,2F_{iN}^{EM} (x,Q^2);~i=1,2, by including contributions due to the higher order perturbative QCD effect up to NNLO and the non-perturbative effects due to the kinematical and dynamical higher twist (HT) effects. The numerical results for FiNEM(x,Q2)F_{iN}^{EM}(x,Q^2) are obtained using Martin, Motylinski, Harland-Lang, Thorne (MMHT) 2014 NLO and NNLO nucleon parton distribution functions (PDFs). The dynamical HT correction has been included following the renormalon approach as well as the phenomenological approach and the kinematical HT effect is incorporated using the works of Schienbein et al. These nucleon structure functions have been used as an input to calculate the nuclear structure functions FiAEM(x,Q2)F_{iA}^{EM} (x,Q^2). In a nucleus, the nuclear corrections arise because of the Fermi motion, binding energy, nucleon correlations, mesonic contribution, shadowing and antishadowing effects. These nuclear corrections are taken into account in the numerical calculations to obtain the nuclear structure functions FiAEM(x,Q2)F_{iA}^{EM} (x,Q^2), for the various nuclear targets like 12C^{12}C, 27Al^{27}Al, 56Fe^{56}Fe, 64Cu^{64}Cu, 118Sn^{118}Sn, 197Au^{197}Au and 208Pb^{208}Pb which are of experimental interest. The effect of isoscalarity correction for nonisoscalar nuclear targets has also been studied. The results for the FiAEM(x,Q2)F_{iA}^{EM} (x,Q^2) are compared with nCTEQ nuclear PDFs parameterization as well as with the experimental results from JLab, SLAC and NMC in the kinematic region of 0.1≤x≤0.80.1 \le x \le 0.8 for several nuclei.Comment: arXiv admin note: text overlap with arXiv:1705.0990

    Complexes of manganese(III) oxychlorosulphate with some nitrogen bases

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    717-718Manganese(III) oxychlorosulphate complexes of the type MnOSO3.Cl.L2 and MnOSO3Cl.L’ with monodentate (aniline, biphenyl amine, acetonitrile, pyridine, 3-amino-2-chloropyridine, 4-cyanopyridine, acridine) and bidentate ligands (2,2-bipyridyl and 1,10-phenanthroline) have been characterized on the basis of their elemental analysis, molar conductance, magnetic susceptibility measurements, infrared and electronic spectral data. These studies, corroborate the tridentate nature and lowering of C3v symmetry of the chlorosulphate group. The com lexes are of high-spin octahedral type as evidenced by agnetic moment values and electronic spectral bands

    ‘My Work Never Ends’: Women’s Experiences of Balancing Unpaid Care Work and Paid Work through WEE Programming in India

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    This paper seeks to lay bare the contours and consequences of the relationship between paid work and unpaid care work for women in low-income households, in order to better understand the relationship between women’s participation in paid work and ‘economic empowerment’. It is also interested in analysing whether, and if so how, women (may) achieve a positive balance between their unpaid care work and paid work responsibilities such that their economic empowerment is optimised (women’s entry into paid work is enabled without deepening their time poverty or worrying about the quality of care received by their family), shared (across generations, so that other women/girls in the family are not left to bear the burden of care), and sustained (such that the quality of care provided to children improves as a result of their mother’s paid work). The paper seeks to do this by mapping the social organisation of care in low-income households across four sites in India, and assessing how women cope with their dual burdens. By focusing our analysis on two ‘women’s economic empowerment programmes’: the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) in Rajasthan and the Self Employed Women’s Association (SEWA) in Madhya Pradesh, we also seek to analyse how women’s economic empowerment policy and programming can generate a ‘double boon’: paid work that empowers women and provides more support for their unpaid care work responsibilities.International Development Research Centre (IDRC)UK Department for International DevelopmentHewlett Foundatio

    Nuclear effects on tau lepton polarization in charged current deep inelastic ντ/νˉτ−A\nu_\tau/\bar\nu_\tau-A scattering

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    We have studied the tau-lepton polarization in the charged current ντ/νˉτ\nu_\tau/\bar\nu_\tau induced deep inelastic scattering (DIS) from the free nucleon as well as off the nuclear targets that are being used in ongoing and proposed experiments such as IceCube, DUNE, etc. For the free nucleon target, the differential scattering cross sections are obtained by taking into account the non-perturbative effect like target mass corrections (TMC) and the perturbative effect like the evolution of the parton densities at the next-to-leading order (NLO) in the four flavor MS‾−\overline{\textrm{MS}}-scheme. In the case of nucleons bound inside a nuclear target, we have incorporated the nuclear medium effects such as Fermi motion, binding energy and nucleon correlations, through the use of nucleon spectral function. We shall present the results for the differential scattering cross sections and the longitudinal and transverse components of the tau-lepton polarization assuming time reversal invariance.Comment: 20 pages and 11 figure
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