Title: PowerPoint Presentation Author: King Ng Last modified by: King Y Ng Created Date: 4/13/2004 9:58:44 PM Document presentation format: On-screen Show
p pbar physics with one ring Dense, intense beams for high luminosity Run II Goals 36 bunches of 3 x 1010 pbars Small energy spread Small transverse dimensions
p pbar physics with one ring Dense, intense beams for high luminosity Run II Goals 36 bunches of 3 x 1010 pbars Small energy spread Small transverse dimensions
... from BBC and calorimeters : ?pX (?pbarX) ... Calorimeters : use ET and ? of towers ... Calorimeters. BBC. Calibration of ?X. ?X distribution in every ?RPS ...
Average Stacking Rate 40x1010 pbars/hour. Stack at this rate for at least 12 hours ... Cooling section solenoid field quality. Aberrations in the beamline ...
In calibrations of the electron energy by cooling of pbars with RF ... voltmeter (GVM) 4. Dispersion based energy deviation measurement. U-bend. BYD08. BYA07 ...
Primary function of a Beam Line Tuner (BLT) is to measure turn-by-turn ... Decimate data to single position per bunch. Pbars 64 turns. Too slow for protons ...
Extraction of 250-10eV pbars achieved on very last day of 2001. ... Civil engineering work on SPS/TI2 junction, TI8 and CNGS. 5. Status Report on the PS ...
Core Orbit difference: old vs. new lattice. 9/19/09. All ... Beam in DC form and in satellites. Longitudinal Emittance in MI on protons to Tev shots ...
Title: PowerPoint Presentation Author: PC User Last modified by: PC User Created Date: 7/29/2002 9:34:37 PM Document presentation format: On-screen Show
cross section s is measure of effective interaction area, proportional to the ... 1 barn = 10-24 cm2. 1 pb = 10-12 b = 10-36 cm2 = 10-40 m2. interaction rate: 4 ...
Ugly weekend. 8 stores. Record Luminosity. 9/9/09. All Experimenters Meeting. f ... Studies truncated by power supply problems. Began to add 162 GeV breakpoint ...
Experience with Beam-Beam Effects at the Tevatron Y. Alexahin (Fermilab APC) Incoherent beam-beam @ injection/acceleration/squeeze Incoherent beam-beam @ collisions
Pbar emittances increased 7-8 (up from 3 ) between Acc and MI ... courtesy Ray Stefanski. courtesy Todd Johnson. Tev A16-3 ... Been there for a long time ...
Pbar transfers to both Tevatron and Recycler in same shot set-up ... SDA The Shot Data Analysis (SDA) products are a set of complementary tools and ...
A quick overview of the FNAL accelerator complex, Tevatron operations, and a few ... power glitches: can't control Mother Nature or Commonwealth Edison ...
... Accumulator Stochastic cooling systems. Accumulator stochastic ... More stacking hours due to decreasing time it takes to transfer from Accumulator to Recycler ...
At high temperatures, the collision frequency scales as T-3/2. The parallel ... The collision frequencies are different for all combinations of species and ...
Title: Tevatron progress: Mar 03 to mid-May 03 Author: shiltsev Last modified by: shiltsev Created Date: 5/29/2003 4:48:44 PM Document presentation format
09 September 2002. All Experimenters Meeting. f. Beams Week in Review. Accelerator Performance ... 09 September 2002. All Experimenters Meeting. f. Recycler ...
Overview of the Fermilab Accelerator Complex. Status of Run 2 ... Solenoid Length. 0.1 mrad. Electron Beam alignment. 0.22 mrad. Angular Electron Beam Spread ...
Running wave; beam prep; component centering. Debuncher ... New AP2 BPM board has recorded its first beam signals. Debuncher barrier bucket AWG tested OK ...
... ion beam allows one to 'cheat' Liouville's theorem and inject (negative) beam ... The Tevatron was the world's first superconducting accelerator. ...
All Experimenters' Meeting 9 Dec 02. All Experimenters' Mtg - 9 Dec ... Removed dangling SEM grid foil, but losses and emittance growth persist in that area ...
Greatest window into new phenomena until LHC is on. 1500 collaborators, 600 ... Pelletron Disassembly/Move. Pelletron at Wide Band Lab Before Disassembly (5/04) ...
C46 bump causes changes in tunes; strong sextupoles. Tunes up the ramp ... Reduction of strong sextupole at C46. Continue 3-bump aperture scan of TeV ...
Based on a previous CERN machine (the Antiproton ... Proposed new experiment: AEGIS. The proposed AEGIS experiment was in principle approved as AD-6 at the RB ...
The uncooled bunch shows natural emittance growth due to IBS and coulomb scattering. ... To minimize the IBS rate, a 65-eV-s stack will be kept in a 4- s long ...
09 September 2002. All Experimenters Meeting. f. Beams Week in Review ... 09 September 2002. All Experimenters Meeting. f. Tevatron Summary. Week 77 Accelerator ...
Jet Tomography of the Gluon Plasma at RHIC nucl-th/0106072 QCD Motivation for A+A Global Observables dN/dyd2pT, dET/dyd2pT Jet Quenching Jet Tomography
Monitor any beam induced conditions which affect the performance, ... chambers trip on over current. P Halo. 200 - 1000. Pbar Halo. 2 - 50. Abort Gap Losses ...
Keep chromaticities at 8 units (horz and vert) on front porch ... On the front porch the b2 compensation is a logarihmic function of time at 150 Gev ...
Consequently, 53 MHz signal is only a function of total beam intensity and bunch ... processor can handle without losing any information in the new signal bandwidth. ...
Water drip alarm/power off on Wednesday. Lost ~1.5 hours. Not repeated since that time ... Power supply failure, broken wire in tracking detector. Required two ...