M. Abreu

Publication List Details

Period

1993 - 2007

Number

68

Co-Authors

RD39 STATUS REPORT RD39 Collaboration (2007)

Borer Janos And, K. Borer, S. Janos, K. Pretzl, B. Dezillie, Z. Li, ...

this report are given as NIEL equivalent of 1 MeV neutrons (n/cm

Low-temperature tracking detectors (2004)

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Recent progress in low-temperature silicon detectors (2003)

Abreu, M., D'Ambrosio, N., Bell, W., Berglund, P., Borchi, E., De Boer, W., ...

The CERN RD39 Collaboration studies the possibility to extend the detector lifetime in a hostile radiation environment by operating them at low temperatures. The outstanding illustration is the...

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles (2003)

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

Radiation hardness of cryogenic silicon detectors (2002)

Niinikoski, T.O., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borchi, E., ...

We shall review test results which show that silicon detectors can withstand at 130 K temperature a fluence of 2 x 10(15)cm(- 2) of 1 MeV neutrons, which is about 10 times higher than the fluence...

Silicon detectors irradiated "in situ" at cryogenic temperatures (2002)

Ruggiero, G., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borer, K., ...

Though several studies have proved the radiation tolerance of silicon detectors at cryogenic temperatures, following room temperature irradiation, no previous investigation has studied the behaviour...

Optimization of electric field distribution by free carrier injection in silicon detectors operated at low temperatures (2002)

Verbitskaya, E., Abreu, M., Bartsch, V., Bell, W., Berglund, P., Bol, J., ...

We present a study of the modeling of the electric field distribution, which is controlled by injection and trapping of nonequilibrium carriers, in Si detectors irradiated by high neutron fluences....

Charge collection efficiency of an irradiated cryogenic double- p silicon detector (2001)

Borer, K., Janos, S., Li, Z., Dezillie, B., Da Via, C., Granata, V., ...

We present results on the measurement of the charge collection efficiency of a p(+) /n/p(+) silicon detector irradiated to 1 x 10(15) n/cm(2), Operated in the temperature range between 80 and 200 K....

Cryogenic technology for tracking detectors (2001)

Granata, V., Da Via, C., Watts, S., Borer, K., Janos, S., Pretzl, K., ...

A low-mass cryogenic cooling technique for silicon sensor modules has been developed in the framework of the RD39 Collaboration at CERN. A prototype low-mass beam tracker cryostat has been designed,...

Performance of Film, Desktop Monitor and Laptop Displays in Caries Detection (1999)

J.B. Ludlow, Jb Ludlow, M. Abreu

Introduction Computers are now commonly used in the dental oce. According to the American Dental Association, in 1994 66.8% of dentists in the United States were already using them in their...

Recent progress in low-temperature silicon detectors

Abreu, M., D'Ambrosio, N., Bell, W., Berglund, P., Borchi, E., De Boer, W., ...

The CERN RD39 Collaboration studies the possibility to extend the detector lifetime in a hostile radiation environment by operating them at low temperatures. The outstanding illustration is the...

Charge collection efficiency of an irradiated cryogenic double- p silicon detector

Borer, K., Janos, S., Li, Z., Dezillie, B., Da Via, C., Granata, V., ...

We present results on the measurement of the charge collection efficiency of a p(+) /n/p(+) silicon detector irradiated to 1 x 10(15) n/cm(2), Operated in the temperature range between 80 and 200 K....

Cryogenic technology for tracking detectors

Granata, V., Da Via, C., Watts, S., Borer, K., Janos, S., Pretzl, K., ...

A low-mass cryogenic cooling technique for silicon sensor modules has been developed in the framework of the RD39 Collaboration at CERN. A prototype low-mass beam tracker cryostat has been designed,...

Radiation hardness of cryogenic silicon detectors

Niinikoski, T.O., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borchi, E., ...

We shall review test results which show that silicon detectors can withstand at 130 K temperature a fluence of 2 x 10(15)cm(- 2) of 1 MeV neutrons, which is about 10 times higher than the fluence...

Silicon detectors irradiated "in situ" at cryogenic temperatures

Ruggiero, G., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borer, K., ...

Though several studies have proved the radiation tolerance of silicon detectors at cryogenic temperatures, following room temperature irradiation, no previous investigation has studied the behaviour...

Optimization of electric field distribution by free carrier injection in silicon detectors operated at low temperatures

Verbitskaya, E., Abreu, M., Bartsch, V., Bell, W., Berglund, P., Bol, J., ...

We present a study of the modeling of the electric field distribution, which is controlled by injection and trapping of nonequilibrium carriers, in Si detectors irradiated by high neutron fluences....

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

Low-temperature tracking detectors

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Recent progress in low-temperature silicon detectors

Abreu, M., D'Ambrosio, N., Bell, W., Berglund, P., Borchi, E., De Boer, W., ...

The CERN RD39 Collaboration studies the possibility to extend the detector lifetime in a hostile radiation environment by operating them at low temperatures. The outstanding illustration is the...

Charge collection efficiency of an irradiated cryogenic double- p silicon detector

Borer, K., Janos, S., Li, Z., Dezillie, B., Da Via, C., Granata, V., ...

We present results on the measurement of the charge collection efficiency of a p(+) /n/p(+) silicon detector irradiated to 1 x 10(15) n/cm(2), Operated in the temperature range between 80 and 200 K....

Cryogenic technology for tracking detectors

Granata, V., Da Via, C., Watts, S., Borer, K., Janos, S., Pretzl, K., ...

A low-mass cryogenic cooling technique for silicon sensor modules has been developed in the framework of the RD39 Collaboration at CERN. A prototype low-mass beam tracker cryostat has been designed,...

Radiation hardness of cryogenic silicon detectors

Niinikoski, T.O., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borchi, E., ...

We shall review test results which show that silicon detectors can withstand at 130 K temperature a fluence of 2 x 10(15)cm(- 2) of 1 MeV neutrons, which is about 10 times higher than the fluence...

Silicon detectors irradiated "in situ" at cryogenic temperatures

Ruggiero, G., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borer, K., ...

Though several studies have proved the radiation tolerance of silicon detectors at cryogenic temperatures, following room temperature irradiation, no previous investigation has studied the behaviour...

Optimization of electric field distribution by free carrier injection in silicon detectors operated at low temperatures

Verbitskaya, E., Abreu, M., Bartsch, V., Bell, W., Berglund, P., Bol, J., ...

We present a study of the modeling of the electric field distribution, which is controlled by injection and trapping of nonequilibrium carriers, in Si detectors irradiated by high neutron fluences....

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

Low-temperature tracking detectors

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Effects of short term increase of intraocular pressure on optic disc cupping

Azuara-Blanco, A., Harris, A., Cantor, L., Abreu, M., Weinland, M.

AIMS—To evaluate the effect of acute elevation of intraocular pressure (IOP) on optic disc cupping.
METHODS—10 emmetropic and 10 myopic volunteers were included in this study. The cup area...