Hello. I need to take a one centence from the previous mail. That is "No shift=No data". After reading the old papers and talking to Challis, the cosmic rays emulation experiment by balloon during 50s and 60s did not require any shifts at all. They just built the detectors and sent them to somewhere in Colorado, where people mounted the detectors in the balloon and let it go. (I guess they estimated (or hoped) the landing location.) After landing (somewhere in Texas) they (not physicists) collected the detectors and sent them back to the physicists for analysis. Therefore, it was "Data w/o Shift". Ok, since I can hear the complaints from the senior people who do a lot of administrative work, I will add one more factor by age. Assuming the olddest and youngest ages in our group are 75 and 25, here is the formula, (age-25)*(beam shift weeks/2)/25. Therefore, if you are age 75 and 20 weeks of Au runs, you get (75-25)*(20/2)/25=20 shifs, which is reasonable. (Ok, I am just having a fun!!!) Hiro Note: While researching the old paper for high energy nuclear collisions, I found the papers by Enrico Fermi in 1950 and 1951. There, he layed out many of the basic ideas for the current RHIC physics without quark and gluon Mambo-Jumbo. (He seems to be the first one ahead of Landau.) (Of cause, he got the wrong conclusion, but that is not really important.) After 50+ years, we are still doing what he proposed. I would say he was very sharp. Wow!!!
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