Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype

Ortiz, E.; Valdés-Galicia, J. F.; Matsubara, Y.; Nagai, Y.; Hurtado, A.; Musalem, O.; García, R.; Anzorena, M. A.; González, L. X.; Itow, Y.; Sako, T.; Lopez, D.; Sasai, Y.; Munakata, K.; Kato, C.; Kozai, M.; Shibata, S.; Takamaru, H.; Kojima, H.; Watanabe, K.; Tsuchiya, H.; Koi, T.

doi:10.1016/j.asr.2016.02.008

Title: Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype

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Abstract

In this study we report the flux of protons and neutral emission measured at the top of the Sierra Negra volcano at 4600 m.a.s.l. (575 g/cm²), in Eastern Mexico. As an example of the capability of the mini-SciCR as a cosmic ray detector we present the Forbush decrease recorded on March 7, 2012. These data were obtained with a cosmic ray detector prototype called mini-SciCR that was operating from October 2010 to July 2012. Our main aims were to measure the hadronic component flux of the secondary cosmic ray and to show the appropriate performance of all system of the detector. To separate the signals of protons from other charged particles we obtained the energy deposition pattern when they cross the detector using a Monte Carlo simulation, and to separate the signals of neutral emission we used an anticoincidence system between the edge bars and the internal bars of the detector. The mini-SciCR is a prototype of a new cosmic ray detector called SciBar Cosmic Ray Telescope (SciCRT) installed in the same place, which is in the process of calibration. The SciCRT will work mainly as a Solar Neutron and Muon Telescope, it is designed to achieve: (1) larger effectivemore »« less

Authors:

Ortiz, E. ^[1]; Valdés-Galicia, J. F. ^[1]; Matsubara, Y. ^[2]; Nagai, Y. ^[2]; Hurtado, A. ^[1]; Musalem, O. ^[1]; García, R. ^[1]; Anzorena, M. A. ^[1]; González, L. X. ^[3]; Itow, Y. ^[2]; Sako, T. ^[2]; Lopez, D. ^[2]; Sasai, Y. ^[2]; Munakata, K. ^[4]; Kato, C. ^[4]; Kozai, M. ^[4]; Shibata, S. ^[5]; Takamaru, H. ^[5]; Kojima, H. ^[6]; Watanabe, K. ^[7] more »

Univ. Nacional Autonoma de Mexico, Mexico City (Mexico)
Nagoya Univ., Nagoya (Japan)
Univ. Nacional Autonoma de Mexico, Michoacan (Mexico)
Shinshu Univ., Matsumoto (Japan)
Chubu Univ., Kasugai (Japan)
Aichi Institute of Technology, Toyota (Japan)
National Defense Academy of Japan, Yokosuka (Japan)
Japan Atomic Energy Agency (JAEA), Ibaraki (Japan)
SLAC National Accelerator Lab., Menlo Park, CA (United States)

Publication Date:: Tue Feb 16 00:00:00 EST 2016

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1349092

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Advances in Space Research

Additional Journal Information:: Journal Volume: 58; Journal Issue: 10; Journal ID: ISSN 0273-1177

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; 54 ENVIRONMENTAL SCIENCES; cosmic ray; solar cosmic ray; SciCRT

Citation Formats


                    Ortiz, E., Valdés-Galicia, J. F., Matsubara, Y., Nagai, Y., Hurtado, A., Musalem, O., García, R., Anzorena, M. A., González, L. X., Itow, Y., Sako, T., Lopez, D., Sasai, Y., Munakata, K., Kato, C., Kozai, M., Shibata, S., Takamaru, H., Kojima, H., Watanabe, K., Tsuchiya, H., and Koi, T. Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype.  United States: N. p., 2016. 
Web.  doi:10.1016/j.asr.2016.02.008.

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                    Ortiz, E., Valdés-Galicia, J. F., Matsubara, Y., Nagai, Y., Hurtado, A., Musalem, O., García, R., Anzorena, M. A., González, L. X., Itow, Y., Sako, T., Lopez, D., Sasai, Y., Munakata, K., Kato, C., Kozai, M., Shibata, S., Takamaru, H., Kojima, H., Watanabe, K., Tsuchiya, H., & Koi, T. Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype.  United States.  https://doi.org/10.1016/j.asr.2016.02.008

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                    Ortiz, E., Valdés-Galicia, J. F., Matsubara, Y., Nagai, Y., Hurtado, A., Musalem, O., García, R., Anzorena, M. A., González, L. X., Itow, Y., Sako, T., Lopez, D., Sasai, Y., Munakata, K., Kato, C., Kozai, M., Shibata, S., Takamaru, H., Kojima, H., Watanabe, K., Tsuchiya, H., and Koi, T. Tue .  
"Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype".  United States.  https://doi.org/10.1016/j.asr.2016.02.008.  https://www.osti.gov/servlets/purl/1349092.

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@article{osti_1349092,

  title        = {Observation of cosmic ray hadrons at the top of the Sierra Negra volcano in Mexico with the SciCRT prototype},

  author       = {Ortiz, E. and Valdés-Galicia, J. F. and Matsubara, Y. and Nagai, Y. and Hurtado, A. and Musalem, O. and García, R. and Anzorena, M. A. and González, L. X. and Itow, Y. and Sako, T. and Lopez, D. and Sasai, Y. and Munakata, K. and Kato, C. and Kozai, M. and Shibata, S. and Takamaru, H. and Kojima, H. and Watanabe, K. and Tsuchiya, H. and Koi, T.},

  abstractNote = {In this study we report the flux of protons and neutral emission measured at the top of the Sierra Negra volcano at 4600 m.a.s.l. (575 g/cm2), in Eastern Mexico. As an example of the capability of the mini-SciCR as a cosmic ray detector we present the Forbush decrease recorded on March 7, 2012. These data were obtained with a cosmic ray detector prototype called mini-SciCR that was operating from October 2010 to July 2012. Our main aims were to measure the hadronic component flux of the secondary cosmic ray and to show the appropriate performance of all system of the detector. To separate the signals of protons from other charged particles we obtained the energy deposition pattern when they cross the detector using a Monte Carlo simulation, and to separate the signals of neutral emission we used an anticoincidence system between the edge bars and the internal bars of the detector. The mini-SciCR is a prototype of a new cosmic ray detector called SciBar Cosmic Ray Telescope (SciCRT) installed in the same place, which is in the process of calibration. The SciCRT will work mainly as a Solar Neutron and Muon Telescope, it is designed to achieve: (1) larger effective area than the current Solar Neutron Telescope, (2) higher energy resolution to determine the energy spectrum of solar neutrons, (3) lower energy threshold, and (4) higher particle identification ability.},

  doi          = {10.1016/j.asr.2016.02.008},

  journal      = {Advances in Space Research},

  number       = 10,

  volume       = 58,

  place        = {United States},

  year         = {Tue Feb 16 00:00:00 EST 2016},

  month        = {Tue Feb 16 00:00:00 EST 2016}

}

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