Layout and performance of RPCs used in the Argo-YBJ experiment

Aielli, G.; Assiro, R.; Bacci, C.; Bartoli, B.; Bernardini, P.; Bi, X. J.; Biondo, B.; Bleve, C.; Bricola, S.; Budano, F.; Bussino, S.; Melcarne, A. K. Calabrese; Camarri, P.; Campana, D.; Cao, Z.; Cardarelli, R.; Catalanotti, S.; Cavaliere, Sergio; Sforza, M. Cavalli; Celio, Paola; Cheng, Ning; Creti, P.; Cusumano, G.; Dai, B. Z.; Staiti, G. DʼAlí; Danzengluobu,; D’Aquino, B.; Marinis, Eleonora De; Mitri, I. De; Piazzoli, B. D’Ettorre; Vincenzi, M. De; Girolamo, T. Di; Ding, X. H.; Sciascio, G. Di; Feng, C.; Feng, Z.; Feng, Z. Y.; Fratini, K.; Gao, X.F.; Gou, Q. B.; He, H. H.; He, M.; Hu, Haibing; Hu, Haoquan; Huang, Q.; Iacovacci, M.; James, I.; Jia, H. Y.; Labaciren,; Li, H.J.; Li, J.Y.; Liberti, B.; Liguori, G.; Liu, C.Q.; Liu, J.; Lü, H.; Mancarella, G.; Mangano, A.; Mari, Stefano Maria; Marsella, G.; Martello, D.; Mastroianni, S.; Meng, X. R.; Mu, J.; Nicastro, L.; Ning, C. C.; Panareo, M.; Pellizzoni, A.; Perrone, L.; Pino, C.; Pinto, C.; Pistilli, P.; Reali, E.; Rossi, E.; Saggese, L.; Salvini, P.; Santonico, R.; Shen, P. R.; Sheng, X. D.; Shi, Feng; Stănescu, C.; Surdo, A.; Tan, Y. H.; Vallania, P.; Vernetto, S.; Wang, H.; Yong-gang, Wang; Wang, Yungang; Wu, C. Y.; Wu, H. R.; Xue, L.; Yang, H. T.; Yang, Q. Y.; Yang, X. C.; Yu, G. C.; Yuan, A. F.; Zha, M.; Zhang, H.M.; Zhang, J.L.; Zhang, L.; Zhang, N.J.; Zhang, P.; Zhang, X.Y.; Zhang, Y.; Zhaxisangzhu,; Zhou, X. X.; Zhu, F. R.; Zhu, Q. Q.

doi:10.1016/j.nima.2006.02.136

Cited by 175 publications

(95 citation statements)

References 5 publications

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“…The ARGO-YBJ experiment is a full-coverage detector made of a single layer of resistive plate chambers 1 Now at Dipartimento di Fisica -Sapienza Università di Roma and INFN sezione di Roma (RPCs) with ∼ 93% active area, surrounded by a partially instrumented (∼ 20%) guard ring. The 1836 RPCs are arranged in 153 clusters each made of 12 chambers.…”

Section: The Argo-ybj Experimentsmentioning

confidence: 99%

“…The detector has been equipped with two independent readout systems: each RPC is simultaneously read-out by 80 copper strips (6.75 × 61.80 cm 2 ) logically arranged in 10 independent pads (55.6 × 61.8 cm 2 ) and by two large pads called Big Pads (139 × 123 cm 2 ). Each strip represents the space granularity of the detector, i.e., the pixel used to sample the particles of the shower front [1]. Each pad signal is sent to a time-todigital converter and represents the time pixel, allowing a resolution of about 1.8 ns in measuring the particle ar- can be operated at eight different gain scales (G0, .…”

Section: The Argo-ybj Experimentsmentioning

confidence: 99%

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Cosmic ray physics with ARGO-YBJ

Montini

2016

Nuclear and Particle Physics Proceedings

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The ARGO-YBJ experiment has been in stable data taking for more than five years at the Yangbajing cosmic ray observatory (Tibet, P.R. China, 4300 m a.s.l.). The detector collected about 5 × 10 11 events in a wide energy range from few TeVs up to the PeV region. In this work we summarize the latest results in cosmic ray physics particularly focusing on the cosmic ray energy spectrum. The results of the measurement of the allparticle and proton plus helium energy spectra in the energy region between 10 12 − 10 16 eV are discussed. A precise measurement of the cosmic ray energy spectrum and composition in this energy region allows a better understanding of the origin of the knee and provides a powerful cross-check among different experimental techniques.

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Section: The Argo-ybj Experimentsmentioning

confidence: 99%

Section: The Argo-ybj Experimentsmentioning

confidence: 99%

Cosmic ray physics with ARGO-YBJ

Montini

2016

Nuclear and Particle Physics Proceedings

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“…The RPCs are operated in streamer mode with a gas mixture (Ar 15%, isobutane 10%, and tetrafluoroethane 75%) suitable for high-altitude operation. Each RPC is read by 80 external strips of 6.75 × 61.8 cm 2 (the spatial pixels) that are logically organized in ten independent pads of 55.6 × 61.8 cm 2 each, which are individually acquired and represent the time pixels [15]. In addition, in order to extend the dynamical range up to PeV energies, each RPC is equipped with two large pads (1.39 × 1.23 m 2 each) to collect the total charge of the particles hitting the detector [16].…”

Section: The Argo-ybj Detectormentioning

confidence: 99%

“…11 where the coefficients g 1 , g 2 , and g 2A are plotted as functions of the zenith angle according to formulas (15) and (16) , Fig. 6, right, and Table II.…”

Section: G Final Remarksmentioning

confidence: 99%

Evidence of a geomagnetic effect on extensive air showers detected with the ARGO-YBJ experiment

Mari¹,

Bartoli²,

Bernardini³

et al. 2014

Phys. Rev. D

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The geomagnetic field causes not only the east-west effect on primary cosmic rays but also affects the trajectories of the secondary charged particles in the shower, causing their lateral distribution to be stretched. Thus, both the density of the secondaries near the shower axis and the trigger efficiency of detector arrays decrease. The effect depends on the direction of the showers, thus, introducing a modulation in the measured azimuthal distribution. The azimuthal distribution of the events collected by the ARGO-YBJ detector is deeply investigated for different zenith angles in light of this effect.

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“…Each chamber is read by 80 external strips of 6.75×61.8 cm 2 (the spatial pixel), logically organized in 10 independent pads of 55.6×61.8 cm 2 which represent the time pixel of the detector [2]. The read-out of 18360 pads and 146880 strips are the experimental output of the detector.…”

Section: Pos(rpc2012)011mentioning

confidence: 99%

Results from the ARGO-YBJ experiment

Iuppa¹

2012

Proceedings of XI Workshop on Resistive Plate Chambers and Related Detectors — PoS(RPC2012)

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The ARGO-YBJ experiment consists of a 5000 m 2 single layer of Resistive Plate Chambers situated at Yangbajing, Tibet (P.R. of China), 4300 meters a.s.l. (atmospheric depth 600 g/cm 2 ). The percentage of active area all over the carpet is 92% and a partially instrumented guard ring (1700 m 2 ) around the central zone extends the instrumented area up to 11000 m 2 . The experiment is operated in scaler mode, shower mode and analog mode and is sensitive to cosmic rays in the 10 9 -10 15 eV energy range. From few hundreds GeV on, the arrival direction of cosmic rays is inferred by the study of the induced extensive air showers. A review of the most important results of the ARGO-YBJ experiment in gamma-ray astronomy and cosmic-ray physics will be given, focusing on the potential of RPCs in ground-based astroparticle physics.

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Layout and performance of RPCs used in the Argo-YBJ experiment

Cited by 175 publications

References 5 publications

Cosmic ray physics with ARGO-YBJ

Cosmic ray physics with ARGO-YBJ

Evidence of a geomagnetic effect on extensive air showers detected with the ARGO-YBJ experiment

Results from the ARGO-YBJ experiment

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