Front end optimization for the monolithic active pixel sensor of the ALICE Inner Tracking System upgrade
- Kim, D.
- Rinella, G.Aglieri
- Cavicchioli, C.
- Chanlek, N.
- Collu, A.
- Degerli, Y.
- Dorokhov, A.
- Flouzat, C.
- Gajanana, D.
- Gao, C.
- Guilloux, F.
- Hillemanns, H.
- Hristozkov, S.
- Junique, A.
- Keil, M.
- Kofarago, M.
- Kugathasan, T.
- Kwon, Y.
- Lattuca, A.
- Mager, M.
- Sielewicz, K.M.
- Tobon, C.A.Marin
- Marras, D.
- Martinengo, P.
- Mazza, G.
- Mugnier, H.
- Musa, L.
- Pham, T.H.
- Puggioni, C.
- Reidt, F.
- Riedler, P.
- Rousset, J.
- Siddhanta, S.
- Snoeys, W.
- Song, M.
- Usai, G.
- Hoorne, J.W.Van
- Yang, P.
DOIAbstract
International audienceALICE plans to replace its Inner Tracking System during the second long shut down of the LHC in 2019 with a new 10 m(2) tracker constructed entirely with monolithic active pixel sensors. The TowerJazz 180 nm CMOS imaging Sensor process has been selected to produce the sensor as it offers a deep pwell allowing full CMOS in-pixel circuitry and different starting materials. First full-scale prototypes have been fabricated and tested. Radiation tolerance has also been verified. In this paper the development of the charge sensitive front end and in particular its optimization for uniformity of charge threshold and time response will be presented
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