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Placing the newly observed state B J ð5840Þ in bottom spectra along with states B 1 ð5721Þ, B Ã 2 ð5747Þ, B s1 ð5830Þ, B Ã 2s ð5840Þ, and B J ð5970Þ We apply the formalism of P. Colangelo et al. [Phys. Rev. D 86, 054024 (2012)] to discuss the quantum number assignments for the recently observed B J ð5840Þ state by R. Aaij et al. (LHCb Collaboration) [J. High Energy Phys. 04 (2015) 024], and we classify the six possible J P 's for this state on the basis of the theoretically available masses. By analyzing the strong decay widths and the branching ratios for all six of these cases of B J ð5840Þ, we justify one of them to be the most favorable assignment. We also examine the recently observed bottom state B J ð5970Þ as 2S1 − and states B J ð5721Þ and B Ã 2 ð5747Þ with their strange partners B s1 ð5830Þ and B Ã 2s ð5840Þ for their J P 's as 1P 3=2 1 þ and 1P 3=2 2 þ , respectively. The predicted coupling constants g XH ,g HH , and g TH help in redeeming the strong decay width of experimentally missing bottom states Bð2 1 S 0 Þ, B s ð2 3 S 1 Þ, B s ð2 1 S 0 Þ, Bð1 1 D 2 Þ, B s ð1 3 D 1 Þ, and B s ð1 1 D 2 Þ. These predictions provide crucial information for upcoming experimental studies.

The effect of plant growth regulators (PGRs), gelling agents, sucrose and heat shock on shoot multiplication, shoot growth, rooting and subsequent survival of Chlorophytum borivilianum Sant. et Fernand was evaluated. Benzyladenine (BA) was found to be better cytokinin over kinetin (KIN) for shoot multiplication. Sucrose concentrations from 116 -290 mM in the basal medium (BM) promoted shoot multiplication. Heat shock (50 °C, 1 h) also promoted shoot multiplication at these sucrose concentrations on both BM medium and BM supplemented with 5.0 µM BA. Beneficial effect of sucrose was also observed on rooting of shoots on BM as well as BM supplemented with 5.0 μM indole-3-butyric acid (IBA). Phytagel as a gelling agent was found to be more effective for shoot proliferation and growth compared to agar. Amongst various soil mixtures tested, higher survival of plants was observed in soil containing Vermicompost. It was interesting to note that a maximum plant survival (> 95 %) was observed when plants were directly transferred to net-house (irradiance reduced to 50 % with green net, without humidity and temperature control) than poly-house (with humidity and temperature control). Random amplified polymorphic DNA (RAPD) and inter simple sequence repeat (ISSR) analysis of regenerated plants showed genetic similarity to mother plant.

Using the effective Lagrangian approach, we examine the recently observed charm states D Ã

In the last decade, charmed and bottom meson spectroscopy have seen great success in experimental sector. Experiments like LHCb, Babar etc are providing many new states which are being added to their spectroscopy. Newly predicted states like B(5970), D 2 (3000), D * (3000), B(5840) and many more still need to be assigned their proper place in the spectroscopy. So we studied the decay constant and the coupling constants of these states using the heavy quark effective theory as our model. We analyzed the two-body strong decays of the above states to their ground state mesons with light pseudo-scalar mesons (π, η, K). We also obtained the ratios among their strong decays, which can be confronted to the experimental data for the verification of their J P states. In addition to this, we also study the strong decays of their spin and strange partners, which are still experimentally not observed, and may be useful for future experiments in searching for these heavy-light mesons.