Test of candidate light distributors for the muon (g-2) laser calibration system

Year: 2015

Authors: Anastasi A., Babusci D., Baffigi F., Cantatore G., Cauz D., Corradi G., Dabagov S., Di Sciascio G., Di Stefano R., Ferrari C., Fienberg A.T., Fioretti A., Fulgentini L., Gabbanini C., Gizzi LA., Hampai D., Hertzog D.W., Iacovacci M., Karuza M., Kaspar J., Koester P., Labate L., Mastroianni S., Moricciani D., Pauletta G., Santi L., Venanzoni G.

Autors Affiliation: Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy; Ist Nazl Ottica, CNR, UOS Pisa, I-56124 Pisa, Italy; Univ Messina, Dipartimento Fis & Sci Terra, Messina, Italy; Ist Nazl Fis Nucl, GC Udine, Udine, Italy; Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy; Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy; Univ Trieste, Trieste, Italy; Univ Naples Federico II, Naples, Italy; Univ Udine, I-33100 Udine, Italy; Univ Cassino, I-03043 Cassino, Italy; Univ Rijeka, Rijeka, Croatia; Univ Washington, Seattle, WA 98195 USA

Abstract: The new muon (g-2) experiment E989 at Fermilab will be equipped with a laser calibration system for all the 1296 channels of the calorimeters. An integrating sphere and an alternative system based on an engineered diffuser have been considered as possible light distributors for the experiment. We present here a detailed comparison of the two based on temporal response, spatial uniformity, transmittance and time stability.


Volume: 788      Pages from: 43  to: 48

More Information: this research was supported by Istituto Nazionale di Fisica Nucleare (Italy). We thank F. Scuri and S. Veronesi for useful discussions and A. Barbini and F. Pardini for technical assistance.
KeyWords: Diffuser; Electromagnetic calorimeter; Integrating sphere
DOI: 10.1016/j.nima.2015.03.071

Citations: 13
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