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1. The Imaging X-Ray Polarimetry Explorer (IXPE): Technical Overview IV

Author

Brian D Ramsey, Primo Attina, Luca Baldini, Mattia Barbanera, Wayne H. Baumgartner, Ronaldo Bellazzini, Jeff Bladt, Stephen D. Bongiorno, Alessandro Brez, Simone Castellano, Rita Carpentiero, Marco Castronuovo, Luca Cavalli, Elisabetta Cavazzuti, Fabio DAmico, Saverio Citraro, Enrico Costa, William D. Deininger, Elisa D'Alba, Ettore Del Monte, Kurtis L. Dietz, Niccolo Di Lalla, Alessandro Di Marco, Giuseppe DiPersio, Immacolata Donnarumma, Sergio Fabiani, Riccardo Ferrazzoli, Joseph Footdale, Michael Head, Janice Houston, William Kalinowski, Jeffery J. Kolodziejczak, Luca Latronico, Carlo Lefevre, Paolo Lorenzi, Leonardo Lucchesi, Simone Maldera, Alberto Manfreda, Elio Mangraviti, Herman L. Marshall, Giorgio Matt, Massimo Minuti, Rondal Mize, Fabio Muleri, Hikmat Nasimi, Barbara Negri, Alessio Nuti, Stephen L. O'Dell, Leonardo Orsini, Darren Osborne, Christina Pentz, Maura Pilia, and Matteo Perri

Subjects
Astrophysics
Abstract

Scheduled to launch in late 2021,the Imaging X-ray Polarimetry Explorer (IXPE) is a Small Explorer Mission designed to open up a new window of investigation --X-ray polarimetry. The IXPE observatory features 3 identical telescopes each consisting of a mirror module assembly with a polarization-sensitive imaging x-ray detector at its focus. An extending boom, deployed on orbit, provides the necessary 4 m focal length. The payload sits atop a 3-axis stabilized spacecraft which, among other things, provides power, attitude determination and control, commanding, and telemetry to the ground. During its 2-year baseline mission, IXPE will conduct precise polarimetry for samples of multiple categories of x-ray sources, with follow-on observations of selected targets. IXPE is a partnership between NASA and the Italian Space Agency (ASI).

Published
2021

2. The detector control unit of the fine guidance sensor instrument on-board the ARIEL mission: design status

Author

Vladimiro Noce, Mauro Focardi, Marina Vela Nunez, Luca Naponiello, Andrea Lorenzani, Raoul Grimoldi, Elio Mangraviti, Luca Carli, Kamil Ber, Miroslaw Rataj, Konrad Rutkowski, Konrad R. Skup, Przemyslaw Nita, Giuseppina Micela, Giuseppe Malaguti, Natalia Auricchio, Emanuele Pace, Giampaolo Preti, Enzo Pascale, Giovanna Tinetti, Paul Eccleston, Elisabetta Tommasi, Mario Salatti, Raffaele Piazzolla, Pietro Bolli, Renzo Nesti, Marcella Iuzzolino, Luca Carbonaro, Ciro Del Vecchio, Debora Ferruzzi, Federico Miceli, Anna Brucalassi, Gilberto Falcini, Andrea Tozzi, and Daniele Gottini

Published
2022
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3. Imaging X-ray Polarimetry Explorer: prelaunch

Author

Martin C. Weisskopf, Paolo Soffitta, Luca Baldini, Brian D. Ramsey, Stephen L. O’Dell, Roger W. Romani, Giorgio Matt, William D. Deininger, Wayne H. Baumgartner, Ronaldo Bellazzini, Enrico Costa, Jeffery J. Kolodziejczak, Luca Latronico, Herman L. Marshall, Fabio Muleri, Stephen D. Bongiorno, Allyn Tennant, Niccolo Bucciantini, Michal Dovciak, Frederic Marin, Alan Marscher, Juri Poutanen, Pat Slane, Roberto Turolla, William Kalinowski, Alessandro Di Marco, Sergio Fabiani, Massimo Minuti, Fabio La Monaca, Michele Pinchera, John Rankin, Carmelo Sgro’, Alessio Trois, Fei Xie, Cheryl Alexander, D. Zachery Allen, Fabrizio Amici, Jason Andersen, Angelo Antonelli, Spencer Antoniak, Primo Attinà, Mattia Barbanera, Matteo Bachetti, Randy M. Baggett, Jeff Bladt, Alessandro Brez, Raffaella Bonino, Christopher Boree, Fabio Borotto, Shawn Breeding, Daniele Brienza, H. Kyle Bygott, Ciro Caporale, Claudia Cardelli, Rita Carpentiero, Simone Castellano, Marco Castronuovo, Luca Cavalli, Elisabetta Cavazzuti, Marco Ceccanti, Mauro Centrone, Saverio Citraro, Fabio D’Amico, Elisa D’Alba, Laura Di Gesu, Ettore Del Monte, Kurtis L. Dietz, Niccolo’ Di Lalla, Giuseppe Di Persio, David Dolan, Immacolata Donnarumma, Yuri Evangelista, Kevin Ferrant, Riccardo Ferrazzoli, MacKenzie Ferrie, Joseph Footdale, Brent Forsyth, Michelle Foster, Benjamin Garelick, Shuichi Gunji, Eli Gurnee, Michael Head, Grant Hibbard, Samantha Johnson, Erik Kelly, Kiranmayee Kilaru, Carlo Lefevre, Shelley Le Roy, Pasqualino Loffredo, Paolo Lorenzi, Leonardo Lucchesi, Tyler Maddox, Guido Magazzu, Simone Maldera, Alberto Manfreda, Elio Mangraviti, Marco Marengo, Alessandra Marrocchesi, Francesco Massaro, David Mauger, Jeffrey McCracken, Michael McEachen, Rondal Mize, Paolo Mereu, Scott Mitchell, Ikuyuki Mitsuishi, Alfredo Morbidini, Federico Mosti, Hikmat Nasimi, Barbara Negri, Michela Negro, Toan Nguyen, Isaac Nitschke, Alessio Nuti, Mitch Onizuka, Chiara Oppedisano, Leonardo Orsini, Darren Osborne, Richard Pacheco, Alessandro Paggi, Will Painter, Steven D. Pavelitz, Christina Pentz, Raffaele Piazzolla, Matteo Perri, Melissa Pesce-Rollins, Colin Peterson, Maura Pilia, Alessandro Profeti, Simonetta Puccetti, Jaganathan Ranganathan, Ajay Ratheesh, Lee Reedy, Noah Root, Alda Rubini, Stephanie Ruswick, Javier Sanchez, Paolo Sarra, Francesco Santoli, Emanuele Scalise, Andrea Sciortino, Christopher Schroeder, Tim Seek, Kalie Sosdian, Gloria Spandre, Chet O. Speegle, Toru Tamagawa, Marcello Tardiola, Antonino Tobia, Nicholas E. Thomas, Robert Valerie, Marco Vimercati, Amy L. Walden, Bruce Weddendorf, Jeffrey Wedmore, David Welch, Davide Zanetti, Francesco Zanetti, Weisskopf, M. C., Soffitta, P., Baldini, L., Ramsey, B. D., O'Dell, S. L., Romani, R. W., Matt, G., Deininger, W. D., Baumgartner, W. H., Bellazzini, R., Costa, E., Kolodziejczak, J. J., Latronico, L., Marshall, H. L., Muleri, F., Bongiorno, S. D., Tennant, A., Bucciantini, N., Dovciak, M., Marin, F., Marscher, A., Poutanen, J., Slane, P., Turolla, R., Kalinowski, W., Di Marco, A., Fabiani, S., Minuti, M., La Monaca, F., Pinchera, M., Rankin, J., Sgro', C., Trois, A., Xie, F., Alexander, C., Allen, D. Z., Amici, F., Andersen, J., Antonelli, A., Antoniak, S., Attina, P., Barbanera, M., Bachetti, M., Baggett, R. M., Bladt, J., Brez, A., Bonino, R., Boree, C., Borotto, F., Breeding, S., Brienza, D., Bygott, H. K., Caporale, C., Cardelli, C., Carpentiero, R., Castellano, S., Castronuovo, M., Cavalli, L., Cavazzuti, E., Ceccanti, M., Centrone, M., Citraro, S., D'Amico, F., D'Alba, E., Di Gesu, L., Del Monte, E., Dietz, K. L., Di Lalla, N., Persio, G. D., Dolan, D., Donnarumma, I., Evangelista, Y., Ferrant, K., Ferrazzoli, R., Ferrie, M., Footdale, J., Forsyth, B., Foster, M., Garelick, B., Gunji, S., Gurnee, E., Head, M., Hibbard, G., Johnson, S., Kelly, E., Kilaru, K., Lefevre, C., Roy, S. L., Loffredo, P., Lorenzi, P., Lucchesi, L., Maddox, T., Magazzu, G., Maldera, S., Manfreda, A., Mangraviti, E., Marengo, M., Marrocchesi, A., Massaro, F., Mauger, D., Mccracken, J., Mceachen, M., Mize, R., Mereu, P., Mitchell, S., Mitsuishi, I., Morbidini, A., Mosti, F., Nasimi, H., Negri, B., Negro, M., Nguyen, T., Nitschke, I., Nuti, A., Onizuka, M., Oppedisano, C., Orsini, L., Osborne, D., Pacheco, R., Paggi, A., Painter, W., Pavelitz, S. D., Pentz, C., Piazzolla, R., Perri, M., Pesce-Rollins, M., Peterson, C., Pilia, M., Profeti, A., Puccetti, S., Ranganathan, J., Ratheesh, A., Reedy, L., Root, N., Rubini, A., Ruswick, S., Sanchez, J., Sarra, P., Santoli, F., Scalise, E., Sciortino, A., Schroeder, C., Seek, T., Sosdian, K., Spandre, G., Speegle, C. O., Tamagawa, T., Tardiola, M., Tobia, A., Thomas, N. E., Valerie, R., Vimercati, M., Walden, A. L., Weddendorf, B., Wedmore, J., Welch, D., Zanetti, D., and Zanetti, F.

Subjects
grazing-incidence optic, Space and Planetary Science, Control and Systems Engineering, Mechanical Engineering, gas pixel detector, Astronomy and Astrophysics, x-ray polarimetry, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation, Electronic, Optical and Magnetic Materials
Abstract

Launched on 2021 December 9, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer Mission in collaboration with the Italian Space Agency (ASI). The mission will open a new window of investigation—imaging x-ray polarimetry. The observatory features three identical telescopes, each consisting of a mirror module assembly with a polarization-sensitive imaging x-ray detector at the focus. A coilable boom, deployed on orbit, provides the necessary 4-m focal length. The observatory utilizes a three-axis-stabilized spacecraft, which provides services such as power, attitude determination and control, commanding, and telemetry to the ground. During its 2-year baseline mission, IXPE will conduct precise polarimetry for samples of multiple categories of x-ray sources, with follow-on observations of selected targets.

Published
2022

4. Calibration of the IXPE focal plane X-ray polarimeters to polarized radiation

Author

Alessandro Di Marco, Sergio Fabiani, Fabio La Monaca, Fabio Muleri, John Rankin, Paolo Soffitta, Fei Xie, Fabrizio Amici, Primo attinà, Matteo Bachetti, Luca Baldini, Mattia Barbanera, Wayne Baumgartner, Ronaldo Bellazzini, Fabio Borotto, Alessandro Brez, Daniele Brienza, Ciro Caporale, Claudia Cardelli, Rita Carpentiero, Simone Castellano, Marco Castronuovo, Luca Cavalli, Elisabetta Cavazzuti, Marco Ceccanti, Mauro Centrone, Saverio Citraro, Enrico Costa, Elisa D’Alba, Fabio D’Amico, Ettore Del Monte, Sergio Di Cosimo, Niccolò Di Lalla, Giuseppe Di Persio, Immacolata Donnarumma, Yuri Evangelista, Riccardo Ferrazzoli, Luca Latronico, Carlo Lefevre, Pasqualino Loffredo, Paolo Lorenzi, Leonardo Lucchesi, Carlo Magazzù, Guido Magazzù, Simone Maldera, Alberto Manfreda, Elio Mangraviti, Marco Marengo, Giorgio Matt, Paolo Mereu, Massimo Minuti, Alfredo Morbidini, Federico Mosti, Hikmat Nasimi, Barbara Negri, Alessio Nuti, Stephen L. O’Dell, Leonardo Orsini, Matteo Perri, Melissa Pesce-Rollins, Raffaele Piazzolla, Stefano Pieraccini, Maura Pilia, Michele Pinchera, Alessandro Profeti, Simonetta Puccetti, Brian D. Ramsey, Ajay Ratheesh, Alda Rubini, Francesco Santoli, Paolo Sarra, Emanuele Scalise, Andrea Sciortino, Carmelo Sgrò, Gloria Spandre, Marcello Tardiola, Allyn F. Tennant, Antonino Tobia, Alessio Trois, Marco Vimercati, Martin C. Weisskopf, Davide Zanetti, and Francesco Zanetti

Subjects
Space and Planetary Science, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, Astronomy and Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract

IXPE (Imaging X-ray Polarimetry Explorer) is a NASA Small Explorer mission -- in partnership with the Italian Space Agency (ASI) -- dedicated to X-ray polarimetry in the 2--8 keV energy band. The IXPE telescope comprises three grazing incidence mirror modules coupled to three detector units hosting each one a Gas Pixel Detector (GPD), a gas detector that allows measuring the polarization degree by using the photoelectric effect. A wide and accurate ground calibration was carried out on the IXPE Detector Units (DUs) at INAF-IAPS, in Italy, where a dedicated facility was set-up at this aim. In this paper, we present the results obtained from this calibration campaign to study the IXPE focal plane detector response to polarized radiation. In particular, we report on the modulation factor, which is the main parameter to estimate the sensitivity of a polarimeter., Comment: Accepted for publication on The Astronomical Journal

Published
2022
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5. The Instrument of the Imaging X-ray Polarimetry Explorer

Author

Leonardo Lucchesi, S. Nenonen, Alessandro Brez, Simonetta Puccetti, Luca Latronico, Hans Andersson, Mattia Barbanera, Ciro Caporale, Leonardo Orsini, Luca Baldini, Michele Pinchera, Alessandro Profeti, Federico Mosti, Alessandro Di Marco, M. Perri, M. Ceccanti, Ettore Del Monte, Ajay Ratheesh, Claudia Cardelli, Elisa D'Alba, Antonino Tobia, Paolo Lorenzi, Niccolò Di Lalla, Maura Pilia, Elio Mangraviti, Rita Carpentiero, E. Scalise, Barbara Negri, Daniele Brienza, Matteo Bachetti, Alfredo Morbidini, Carlo Magazzu, Toru Tamagawa, Alessio Trois, Carmelo Sgrò, Fei Xie, Pasqualino Loffredo, Giuseppe Di Persio, Melissa Pesce-Rollins, Sergio Di Cosimo, S. Castellano, John Rankin, Massimo Minuti, Primo Attinà, Riccardo Ferrazzoli, Marco Castronuovo, Marco Marengo, Francesco Santoli, Luca Cavalli, Saverio Citraro, Takao Kitaguchi, Fabrizio Amici, Paolo Mereu, Toshio Nakano, I. Donnarumma, Y. Evangelista, Paolo Soffitta, Mauro Centrone, Alberto Manfreda, Asami Hayato, Fabio D'Amico, E. Cavazzuti, Ronaldo Bellazzini, Gloria Spandre, Enrico Costa, Stefano Ciprini, Raffaele Piazzolla, Giorgio Matt, Fabio La Monaca, Alda Rubini, Marcello Tardiola, Alessio Nuti, Marco Vimercati, Sergio Fabiani, Fabio Borotto, S. Maldera, Andrea Sciortino, Carlo Lefevre, Fabio Muleri, Paolo Sarra, Hikmat Nasimi, Soffitta, P., Baldini, L., Bellazzini, R., Costa, E., Latronico, L., Muleri, F., Del Monte, E., Fabiani, S., Minuti, M., Pinchera, M., Sgro', C., Spandre, G., Trois, A., Amici, F., Andersson, H., Attina', P., Bachetti, M., Barbanera, M., Borotto, F., Brez, A., Brienza, D., Caporale, C., Cardelli, C., Carpentiero, R., Castellano, S., Castronuovo, M., Cavalli, L., Cavazzuti, E., Ceccanti, M., Centrone, M., Ciprini, S., Citraro, S., D'Amico, F., D'Alba, E., Di Cosimo, S., Di Lalla, N., Di Marco, A., Di Persio, G., Donnarumma, I., Evangelista, Y., Ferrazzoli, R., Hayato, A., Kitaguchi, T., La Monaca, F., Lefevre, C., Loffredo, P., Lorenzi, P., Lucchesi, L., Magazzu, C., Maldera, S., Manfreda, A., Mangraviti, E., Marengo, M., Matt, G., Mereu, P., Morbidini, A., Mosti, F., Nakano, T., Nasimi, H., Negri, B., Nenonen, S., Nuti, A., Orsini, L., Perri, M., Pesce-Rollins, M., Piazzolla, R., Pilia, M., Profeti, A., Puccetti, S., Rankin, J., Ratheesh, A., Rubini, A., Santoli, F., Sarra, P., Scalise, E., Sciortino, A., Tamagawa, T., Tardiola, M., Tobia, A., Vimercati, M., and Xie, F.

Subjects
Physics, X-ray astronomy, business.industry, Astrophysics::High Energy Astrophysical Phenomena, X-ray, Polarimetry, X-ray detector, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, Astronomy and Astrophysics, Optics, Space and Planetary Science, X-ray, Polarimetry — Instrumentation, business, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract

While X-ray Spectroscopy, Timing and Imaging have improved verymuch since 1962, when the first astronomical non-solar source was discovered, especially with the launch of Newton/X-ray Multi-Mirror Mission, Rossi/X-ray Timing Explorer and Chandra/Advanced X-ray Astrophysics Facility, the progress of X-ray polarimetry has been meager. This is in part due to the lack of sensitive polarization detectors, in part due to the fate of approved missions and in part because the celestial X-ray sources appeared less polarized than expected. Only one positive measurement has been available until now. Indeed the eight Orbiting Solar Observatory measured the polarization of the Crab nebula in the 70s. The advent of techniques of microelectronics allowed for designing a detector based on the photoelectric effect in gas in an energy range where the optics are efficient in focusing X-rays. Herewe describe the Instrument, which is the major contribution of the Italian collaboration to the SmallExplorer mission called IXPE, the Imaging X-ray Polarimetry Explorer, which will be flown in late 2021. The instrument, is composed of three Detector Units, based on this technique, and a Detector Service Unit. Three Mirror Modules provided by Marshall Space Flight Center focus X-rays onto the detectors. In the following we will show the technological choices, their scientific motivation and the results from the calibration of the Instrument. IXPE will perform imaging, timing and energy resolved polarimetry in the 2-8 keV energy band opening this window of X-ray astronomy to tens of celestial sources of almost all classes., 25 pages, 12 figures, 5 tables (accepted for publication in Astronomical Journal)

Published
2021

6. Design, construction, and test of the Gas Pixel Detectors for the IXPE mission

Author

Carlo Magazzu, E. Del Monte, Paolo Sarra, Alessandro Brez, Alessandra Marrocchesi, Elisa D'Alba, A. Rubini, Rita Carpentiero, Takao Kitaguchi, Luca Cavalli, Guido Magazzu, John Rankin, Alfredo Morbidini, S. Nenonen, E. Cavazzuti, Fabio Borotto, C. Oppedisano, Marco Marengo, Gloria Spandre, Federico Mosti, Francesco Zanetti, Primo Attina, Sergio Fabiani, E. Scalise, Barbara Negri, Michele Pinchera, Francesco Santoli, Simonetta Puccetti, Ciro Caporale, F. La Monaca, Saverio Citraro, R. Bonino, Fabrizio Amici, Fei Xie, F. Muleri, Paolo Lorenzi, Luca Latronico, Leonardo Orsini, Marcello Tardiola, Antonino Tobia, Matteo Bachetti, Mauro Centrone, Allyn F. Tennant, Alessandro Profeti, Claudia Cardelli, Alberto Manfreda, S. Di Cosimo, P. Soffitta, Daniele Brienza, Raffaele Piazzolla, Wayne H. Baumgartner, S. Maldera, Andrea Sciortino, M. Perri, Carlo Lefevre, Ajay Ratheesh, Steve O'Dell, N. Di Lalla, Luca Baldini, Maura Pilia, Elio Mangraviti, Marco Castronuovo, Alessio Trois, Fabio D'Amico, Alessio Nuti, Paolo Mereu, A. Di Marco, K. Uchiyama, Leonardo Lucchesi, D. Zanetti, Giorgio Matt, Enrico Costa, Martin C. Weisskopf, Y. Zhou, Toshio Nakano, Marco Vimercati, S. Pieraccini, Ronaldo Bellazzini, R. Ferrazzoli, T. Meilahti, Toru Tamagawa, Pasqualino Loffredo, Massimo Minuti, G. Di Persio, Melissa Pesce-Rollins, Carmelo Sgrò, S. Castellano, Hikmat Nasimi, Hans Andersson, Brian D. Ramsey, I. Donnarumma, Y. Evangelista, M. Ceccanti, M. Barbanera, Baldini, L., Barbanera, M., Bellazzini, R., Bonino, R., Borotto, F., Brez, A., Caporale, C., Cardelli, C., Castellano, S., Ceccanti, M., Citraro, S., Di Lalla, N., Latronico, L., Lucchesi, L., Magazzu, C., Magazzu, G., Maldera, S., Manfreda, A., Marengo, M., Marrocchesi, A., Mereu, P., Minuti, M., Mosti, F., Nasimi, H., Nuti, A., Oppedisano, C., Orsini, L., Pesce-Rollins, M., Pinchera, M., Profeti, A., Sgro, C., Spandre, G., Tardiola, M., Zanetti, D., Amici, F., Andersson, H., Attina, P., Bachetti, M., Baumgartner, W., Brienza, D., Carpentiero, R., Castronuovo, M., Cavalli, L., Cavazzuti, E., Centrone, M., Costa, E., D'Alba, E., D'Amico, F., Del Monte, E., Di Cosimo, S., Di Marco, A., Di Persio, G., Donnarumma, I., Evangelista, Y., Fabiani, S., Ferrazzoli, R., Kitaguchi, T., La Monaca, F., Lefevre, C., Loffredo, P., Lorenzi, P., Mangraviti, E., Matt, G., Meilahti, T., Morbidini, A., Muleri, F., Nakano, T., Negri, B., Nenonen, S., O'Dell, S. L., Perri, M., Piazzolla, R., Pieraccini, S., Pilia, M., Puccetti, S., Ramsey, B. D., Rankin, J., Ratheesh, A., Rubini, A., Santoli, F., Sarra, P., Scalise, E., Sciortino, A., Soffitta, P., Tamagawa, T., Tennant, A. F., Tobia, A., Trois, A., Uchiyama, K., Vimercati, M., Weisskopf, M. C., Xie, F., Zanetti, F., and Zhou, Y.

Subjects
Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics - Instrumentation and Detectors, Pixel, Emphasis (telecommunications), Detector, Gas detectors, X-ray polarimetry, Polarimetry, FOS: Physical sciences, Astronomy and Astrophysics, Instrumentation and Detectors (physics.ins-det), Dead time, X-ray polarimetry Gas detectors, Noise (electronics), Cardinal point, Application-specific integrated circuit, Gas detector, Electronic engineering, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract

Due to be launched in late 2021, the Imaging X-Ray Polarimetry Explorer (IXPE) is a NASA Small Explorer mission designed to perform polarization measurements in the 2-8 keV band, complemented with imaging, spectroscopy and timing capabilities. At the heart of the focal plane is a set of three polarization-sensitive Gas Pixel Detectors (GPD), each based on a custom ASIC acting as a charge-collecting anode. In this paper we shall review the design, manufacturing, and test of the IXPE focal-plane detectors, with particular emphasis on the connection between the science drivers, the performance metrics and the operational aspects. We shall present a thorough characterization of the GPDs in terms of effective noise, trigger efficiency, dead time, uniformity of response, and spectral and polarimetric performance. In addition, we shall discuss in detail a number of instrumental effects that are relevant for high-level science analysis -- particularly as far as the response to unpolarized radiation and the stability in time are concerned., Comment: To be published in Astroparticle Physics

Published
2021

7. The Imaging X-ray polarimetry explorer (IXPE): Technical overview III

Author

Paolo Soffitta, Primo Attina', Luca Baldini, Mattia Barbanera, Wayne H. Baumgartner, Ronaldo Bellazzini, Jeff Bladt, Stephen D. Bongiorno, Alessandro Brez, Simone Castellano, Rita Carpentiero, Marco Castronuovo, Luca Cavalli, Elisabetta Cavazzuti, Fabio D' Amico, Saverio Citraro, Enrico Costa, William D. Deininger, ELisa D' Alba, Ettore Del Monte, Kutis L. Diets, Niccolo' Di Lalla, Alessandro Di Marco, Guseppe Di Persio, Immacolata Donnarumma, Ronald F. Elsner, Sergio Fabiani, Riccardo Ferrazzoli, Larry Guy, William Kalinowski, Jeffery Kolodziejczak, Luca Latronico, Carlo Lefevre, Paolo Lorenzi, Leonardo Lucchesi, Simone Maldera, Alberto Manfreda, Elio Mangraviti, Herman L. Marshall, James Masciarelli, Giorgio Matt, Massimo Minuti, Fabio Muleri, Hikmat Nasimi, Barbara Negri, Alessio Nuti, Leonardo Orsini, Darren Osborne, Maura Pilia, Matteo Perri, Melissa Pesce-Rollins, Colin Peterson, Michele Pinchera, Simonetta Puccetti, Brian Ramsey, Ajay Ratheesh, Roger W. Romani, Paolo Sarra, Francesco Santoli, Andrea Sciortino, Carmelo Sgro', Brian T. Smith, Gloria Spandre, Allyn F. Tennant, Antonino Tobia, Alessio Trois, Marco Vimercati, Jeffrey Wedmnore, Martin C. Weisskopf, Fei Xie, Francesco Zanetti, Cheryl Alexander, D. Zachery Allen, Fabrizio Amici, L. Angelo Antonelli, Spencer Antoniak, Matteo Bachetti, Raffaella Bonino, Fabio Borotto, Shawn Breeding, Daniele Brienza, H. Kyle Bygott, Claudia Cardelli, Marco Ceccanti, Mauro Centrone, Yuri Evangelista, MacKenzie Ferrie, Brent Forsyth, Michele Foster, Eli Gurnee, Grant Hibbard, Sandra R. Johnson, Erik Kelly, Kiranmayee Kilaru, Fabio La Monaca, Shelley Le Roy, Pasqualino Loffredo, Guido Magazzu', Marco Marengo, Alessandra Marrocchesi, Francesco Massaro, Alfredo Morbidini, Jeffrey McCracken, Michael McEachen, Paolo Mereu, Scott Mitchell, Ikuyuki Mitsuishi, Federico Mosti, Michela Nigro, Chiara Oppedisano, Richard Pacheco, alessandro Paggi, Steven D. Pavelitz, Cristina Pentz, Raffaele Piazzolla, Brad Porter, Alessandro Profeti, Jaganathan Ranganathan, John Rankin, Noah Root, Alda Rubini, Stephanie Ruswick, Javier Sanchez, Emanuele Scalise, Sara Schindhelm, Chet O. Speegle, Toru Tamagawa, Marcello Tardiola, Amy L. Walden, Bruce Weddendorf, David Welch, Michael Head, Stuart Gray, Rondal Mize, Stephen L. O'Dell, Christopher Schroeder, Nicholas E. Thomas, Randy M. Bagget, David Dolan, Kevin Ferrant, Joseph Footdale, Benjamin Garelick, Samantha Johnson, and Timothy Seek

Subjects
Physics, X-ray, Optics, business.industry, X-ray, Polarimetry, Astrophysics, Optics, Gas Pixel Detector, Polarimetry, business, Astrophysics, Gas Pixel Detector
Published
2020

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