A beam line for electrons with energies in the range of 1-45 GeV, low contamination of hadrons and muons and high intensity up to 106 per accelerator spill at 27 GeV was setup at U70 accelerator in Protvino, Russia. A beam tagging system based on drift chambers with 160 μm resolution was able to measure relative electron beam momentum precisely. The resolution σp/p was 0.13% at 45 GeV where multiple scattering is negligible. This test beam setup provided a possibility to study properties of lead tungstate crystals (PbWO4) for the BTeV experiment at Fermilab.
|Original language||English (US)|
|Number of pages||8|
|Journal||Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment|
|State||Published - Sep 11 2003|
Bibliographical noteFunding Information:
We would like to thank the IHEP management for providing us a beam line and accelerator time for our testbeam studies. Special thanks to Fermilab for providing equipment for data acquisition. This work was partially supported by the US National Science Foundation and the Department of Energy.
- Beam line
- Momentum resolution