Cabrera, A. et al. (2009) Comparisons of the MINOS near and far detector readout systems at a test beam. Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 609(2-3), pp. 106-113. (doi: 10.1016/j.nima.2009.07.016)
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Abstract
MINOS is a long baseline neutrino oscillation experiment that uses two detectors separated by 734 km. The readout systems used for the two detectors are different and have to be independently calibrated. To verify and make a direct comparison of the calibrated response of the two readout systems, test beam data were acquired using a smaller calibration detector. This detector was simultaneously instrumented with both readout systems and exposed to the CERN PS T7 test beam. Differences in the calibrated response of the two systems are shown to arise from differences in response non-linearity, photomultiplier tube crosstalk, and threshold effects at the few percent level. These differences are reproduced by the Monte Carlo (MC) simulation to better than 1% and a scheme that corrects for these differences by calibrating the MC to match the data in each detector separately is presented. The overall difference in calorimetric response between the two readout systems is shown to be consistent with zero to a precision of 1.3% in data and 0.3% in MC with no significant energy dependence.
| Item Type: | Articles |
|---|---|
| Additional Information: | This work was funded in part by the UK Particle Physics and Astronomy Research Council (PPARC), the US Department of Energy (DoE) and the European Union (EU). We would like to thank CERN for providing the test beams and support. Special thanks are due to L. Durieu and M. Hauschild for their help throughout this project. We are grateful for the engineering support provided by T. Durkin, M. Proga, D. Atree, J. Trevor, J. Hanson, M. Williams, P. Groves and G. Sillman and electronics support from C. Nelson, B. Luebke, T. Fitzpatrick. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Litchfield, Dr Phillip |
| Authors: | Cabrera, A., Adamson, P., Barker, M., Belias, A., Boyd, S., Crone, G., Drake, G., Falk, E., Harris, P.G., Hartnell, J., Jenner, L., Kordosky, M., Lang, K., Litchfield, R.P., Michael, D., Miyagawa, P.S., Morse, R., Murgia, S., Nichol, R., Nicholls, T., Pearce, G.F., Petyt, D., Reyna, D., Saakyan, R., Shanahan, P., Smith, C., Symes, P., Tagg, N., Thomas, J., Vahle, P., and Weber, A. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment |
| Publisher: | Elsevier |
| ISSN: | 0168-9002 |
| ISSN (Online): | 1872-9576 |
| Published Online: | 14 July 2009 |
| Related URLs: |
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