Abstract
The absolute luminosity can be measured in an accelerator by sweeping beams transversely across each other in the so-called van der Meer scan. We prove that the method can be applied in the general case of arbitrary beam directions and a separation scan plane. A simple method to develop an image of the beam in its transverse plane from spatial distributions of interaction vertexes is also proposed. From the beam images one can determine their overlap and the absolute luminosity. This provides an alternative way of the luminosity measurement during van der Meer scan.
| Original language | English |
|---|---|
| Pages (from-to) | 634-638 |
| Number of pages | 5 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 654 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 21 Oct 2011 |
| Externally published | Yes |
Keywords
- Beam imaging
- Luminosity
- Van der Meer scan
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