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Journals and Conferences
Angiotensin II has numerous biological effects in a hitherto unsuspected variety of tissues. The generation of angiotensin in tissue requires the local presence of its high molecular weight precursor angiotensinogen and is best tested by investigating angiotensinogen gene expression. A quantitative solution hybridization assay for rapid and sensitive… (More)
We have measured the branching ratio for the inclusive radiative penguin process b ! ss. We nd where the rst error is statistical, the second error is the additive systematic error from uncertainty in yield, and the third error is the multiplicative systematic error from uncertainty in eeciency, which includes model dependence .
We have used the CLEO-II detector at the Cornell Electron Storage Ring to study the inclusive production of charmonium mesons in a sample of 2.15 million BB events. We nd inclusive branching fractions of (1.130.040.06)% for B!J==X, (0.340.040.03)% for B! 0 X, and (0.400.060.04)% for B! c1 X. We also nd some evidence for the inclusive production of c2. An… (More)
A Ka-band high power amplifier MMIC developed from 0.18μm gate-length AlGaN/GaN HEMT on SiC is presented. The MMIC chip was measured on-wafer across 29GHz to 31GHz under pulsed bias condition. At VDD=28V, the MMIC achieved an output power of 19W to 21W. To the authors' best knowledge, this is the highest output power ever reported for GaN high power… (More)
We have searched for several two-body charmless hadronic decays of B mesons. These nal states include K and with both charged and neutral kaons and pions data used in this analysis consist of 2:0 fb ?1 taken on the (4S) with the CLEO-II detector at the Cornell Electron Storage Ring (CESR). This data set includes 2.2 million BB pairs, allowing us to place… (More)
Using data taken with the CLEO II detector, we have studied the decays (0:074 0:010 0:015)% where the rst errors are statistical and the second errors are the estimate of our systematic uncertainty. We also present a new upper limit B(D 0 ! K 0 S K 0 S 0) < 0:059% at the 90% conndence level and the rst measurement of B(D 0 ! K + K ? 0) = (0:14 0:04)%.