PPT-FCal luminosity measurement

Samir Arfaoui Stony Brook University 5 December 2011 Samir Arfaoui LAr Week 1 Measurement principle 7 December 2011 Samir Arfaoui LAr Week 2 Pros Trigger independent DAQ independent. (a personal selection). 1. Konrad Elsener, CLICdp bi-monthly meeting, 30 March 2015. 2. Konrad Elsener, CLICdp bi-monthly meeting, 30 March 2015. FCAL workshops “traditionally” take place about every 6 months. WALT: What affects how brightly a start appears on Earth? Grades C-A*. recall . that the luminosity of a star depends on its temperature and its . size – C. explain . qualitatively . why. the observed intensity of light from a star (as seen on Earth) . G. Arduini – BE/ABP. Contributions by: M. C. Alabau-Pons, O.O. Andreassen, V. Chareyre, R. De Maria, G. Golluccio, W. . Höfle. , J-B Jeanneret, L. Walckiers. Effect on luminosity:. Injection. Collision. Redshifts. Gordon Richards. Drexel University. With thanks to. Michael Strauss, . Xiaohui. Fan, Don Schneider, and . Linhua. Jiang. Quasar Luminosity Function. Croom. et al. 2004. Space density of quasars as a function of . 10 Measuring . the Stars. Units of Chapter 10. The Solar Neighborhood. Luminosity and Apparent Brightness. Stellar Temperatures. Stellar Sizes. The . Hertzsprung. –Russell Diagram. Extending the Cosmic Distance Scale. at . Brookhaven . National Laboratory . 1. Vl. adimir N. Litvinenko . for eRHIC team. Stony Brook University, Stony Brook, NY, USA. Brookhaven National Laboratory, Upton, NY, USA. Center for Accelerator Science and Education. The Stars. Review/Discussion for Chapter Test. My Notes (+) from Dark Skies. Because of Light Pollution, 70% of Americans cannot see the Milky Way.. Flagstaff Dark Skies Coalition:. Their mission is to “celebrate, promote, and protect the glorious dark skies of northern Arizona”.. Mike Lamont, Olli Johnson*. 1. *Oxford University. Observations. No model. No bunch-by-bunch.. Input data. For all SB fill > 8 hours:. Extract (Java API) from logging database:. TCP BLM data B1,B2,IR3,IR7 . F. Antoniou, Y. . Papaphilippou. Beam-Beam and luminosity studies meeting, 22/6/15. Luminosity model components. 2.  . Beam current decay with time . Beam size (or emittance) evolution with time . 13/4/2015. Once they are free, they act like particles and emit a continuous spectrum.. If the star is hot enough that hydrogen is ionized all the way to the surface, then there will be no hydrogen Balmer lines.. How big are stars?. How far . away?. How . luminous?. How hot?. How old, and how much longer to . live?. C. hemical . composition?. How are they moving?. Are they isolated or in clusters?. 1. How Far Away are the Stars?. conditions. F. Antoniou, . M. . Hostettler, . Y. Papaphilippou. , . S.Papadopoulou. ,. . G. . Papotti. . . Acknowledgements: . Beam-Beam . and Luminosity studies working group, G. . Arduini. , G. . Bunch currentBeam energyRepetition frequency Number of bunches 4 per beamHorizontal emittanceVertical emittanceMax luminosity2 BEAM DIAGNOSTICSThe BEUV telescopes detect the synchrotron light emit-te Bunch currentBeam energyRepetition frequency Number of bunches 4 per beamHorizontal emittanceVertical emittanceMax luminosity2 BEAM DIAGNOSTICSThe BEUV telescopes detect the synchrotron light emit-te