The ARGO-YBJ experiment has been in stable data taking from November 2007 till February 2013 at the YangBaJing Cosmic Ray Observatory (4300 m a.s.l.). The detector consists of a single layer of Resistive Plate Chambers (RPCs) (6700 m(2)) operated in streamer mode. The signal pick-up is obtained by means of strips facing one side of the gas volume. The digital readout of the signals, while allows a high Space-time resolution in the shower front reconstruction, limits the measurable energy to a few hundred TeV. In order to fully investigate the 1-10 PeV region, an analog readout has been implemented by instrumenting each RPC with two large size electrodes facing the other side of the gas volume. Since December 2009 the RPC charge readout has been in operation on the entire central carpet (similar to 5800 m(2)). In this configuration the detector is able to measure the particle density at the core position where it ranges from tens to many thousands of particles per m(2). Thus ARGO-YBJ provides a highly detailed image of the charge component at the core of air showers. In this paper we describe the analog readout of RPCs in ARGO-YBJ and discuss both the performance of the system and the physical impact on the EAS measurements. (C) 2015 Elsevier B.V. All rights reserved.

The analog Resistive Plate Chamber detector of the ARGO-YBJ experiment / Iuppa, R; ARGO-YBJ, Collaboration. - In: ASTROPARTICLE PHYSICS. - ISSN 0927-6505. - 67:(2015), pp. 47-61. [10.1016/j.astropartphys.2015.01.007]

The analog Resistive Plate Chamber detector of the ARGO-YBJ experiment

Iuppa, R;
2015

Abstract

The ARGO-YBJ experiment has been in stable data taking from November 2007 till February 2013 at the YangBaJing Cosmic Ray Observatory (4300 m a.s.l.). The detector consists of a single layer of Resistive Plate Chambers (RPCs) (6700 m(2)) operated in streamer mode. The signal pick-up is obtained by means of strips facing one side of the gas volume. The digital readout of the signals, while allows a high Space-time resolution in the shower front reconstruction, limits the measurable energy to a few hundred TeV. In order to fully investigate the 1-10 PeV region, an analog readout has been implemented by instrumenting each RPC with two large size electrodes facing the other side of the gas volume. Since December 2009 the RPC charge readout has been in operation on the entire central carpet (similar to 5800 m(2)). In this configuration the detector is able to measure the particle density at the core position where it ranges from tens to many thousands of particles per m(2). Thus ARGO-YBJ provides a highly detailed image of the charge component at the core of air showers. In this paper we describe the analog readout of RPCs in ARGO-YBJ and discuss both the performance of the system and the physical impact on the EAS measurements. (C) 2015 Elsevier B.V. All rights reserved.
Iuppa, R; ARGO-YBJ, Collaboration
The analog Resistive Plate Chamber detector of the ARGO-YBJ experiment / Iuppa, R; ARGO-YBJ, Collaboration. - In: ASTROPARTICLE PHYSICS. - ISSN 0927-6505. - 67:(2015), pp. 47-61. [10.1016/j.astropartphys.2015.01.007]
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11572/162822
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