9 research outputs found
Ginsenoside accumulation profiles in long- and short-term cell suspension and adventitious root cultures in Panax ginseng
No full textHolocene environmental changes around Xiaohe Cemetery and its effects on human occupation, Xinjiang, China
No full textProduction of anti-cancer triterpene (betulinic acid) from callus cultures of different Ocimum species and its elicitation
No full textObservation of charmed meson D/sup 0/D/sup 0/-pair photocreation events
No full textDescribes an event, discovered in experiments on the creation of charmed particles by tagged photons from the supersynchrotron at CERN. The event was simultaneously registered in nuclear photoemulsion as well as in the magnetic spectrometer 'Omega-prim'. This is interpreted as the first case of photocreation of a pair of charmed neutral mesons D/sup 0/D/sup 0/. For D/sup 0/ to K/sup +/ pi /sup -/ pi /sup -/ pi /sup +/, a decay time of tau (D/sup 0/)=(0.14+or-0.01)*10/sup -13/ s was obtained, for D/sup 0/ to K/sup 0/ pi /sup -/e/sup +/ nu , two solutions were obtained, tau /sub 1/(D/sup 0/)=(3.4+or-0.3)*10/sup -13 / s and tau /sub 2/(D/sup 0/)=(7.5+or-0.3)*10/sup -13/ s. (5 refs)
