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Rawat U.,Singh M. K.,Goyal M. 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.83 No.6
In the interactions of 84Kr with emulsion at 1 A GeV, the forward and backward emission of relativistic and fast hadrons was experimentally investigated. We focused on how the target fragment infuences the average multiplicities of shower particles discharged in both the forward and backward hemispheres, as well as on one another, in the current research. We have also investigated how the correlation strength varies with projectile mass. The research backs up the fnding that the creation of particles in the backward hemisphere is caused by a collective mechanism and is found to be compatible. The results are contrasted with the measurements from other tests and found to be consistent.
Samanta, A.K.,Dass, R.S.,Rawat, Mayank,Mishra, S.C.,Mehra, U.R. Asian Australasian Association of Animal Productio 2006 Animal Bioscience Vol.19 No.4
An experiment was conducted with twenty crossbred male calves (7-15 days old) divided into 4 different experimental groups on the basis of body weights to study the effect of vitamin E supplementation on the serum ${\alpha}$-tocopherol concentration and immune response of the calves. All the calves were fed on milk and calf starter up to 13 weeks and afterwards, they were fed on concentrate mixture and oat hay up to 32 weeks of age. In addition, the calves in groups I, II, III and IV were supplemented with 0, 125, 250 and 500 IU feed grade DL-${\alpha}$-tocopheryl acetate, respectively. Blood samples were collected at 0 day and subsequently at 1, 2, 3, 4, 6 and 8 months of age to monitor the serum ${\alpha}$-tocopherol concentration in crossbred calves. After 24 weeks of experimental feeding, 4 animals from each group were intramuscularly inoculated with single dose (3 ml) of Haemorrhagic septiceaemia (Pasteurella multocida P52 strain) oil adjuvant vaccine. The cumulative group mean serum ${\alpha}$-tocopherol concentration (${\mu}g/100ml$) was 88.12, 210.11, 235.21 and 294.02 in-groups I, II, III and IV, respectively and differed significantly (p<0.001) among the four groups. Lymphocyte stimulation indices (LSI) did not differ among the groups significantly. The pooled mean ELISA antibody titer against Pasteurella multocida (P52 strain) was 788.02, 926.85, 1,214.00 and 1,109.51 for group I, II, III and IV, respectively, which indicated higher antibody titer in groups supplemented with vitamin E as compared to the control group. It may be concluded that vitamin E supplementation increased the ${\alpha}$-tocopherol concentration in serum and dietary supplementation of vitamin E at higher level has a humoral immune enhancing effect against killed bacterial antigen.