Alborz-I array: A simulation on performance and properties of the array around the knee of the cosmic ray spectrum

Abdollahi, S.; Bahmanabadi, M.; Pezeshkian, Yousef; Moghaddam, Saba Mortazavi

doi:10.1016/j.astropartphys.2015.11.004

Cited by 7 publications

(5 citation statements)

References 7 publications

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“…To overcome this contrast, fit parameters and core position are computed simultaneously by least square method using those functions which introduced above. Alborz-I array is simulated and based on the previous studies [9] it is preferred to record a shower when all 5 detectors of central cluster are triggered. Fig.2 shows density as a function of core position reconstructed by NKG type function with different slop parameters (β =0.8, β=1.2 & β=1.8) for a vertical 300TeV proton initiated shower.…”

Section: Calculating R Opt For Alborz-i Arraymentioning

confidence: 99%

“…To overcome this contrast, fit parameters and core position are computed simultaneously by least square method using those functions which introduced above. Alborz-I array is simulated and based on the previous studies [9] it is preferred to record a shower when all 5 detectors of central cluster are triggered. For more precise calculation of R opt, numerical and analytical approaches are used.…”

Section: Calculating R Opt For Alborz-i Arraymentioning

confidence: 99%

“…construction phase and consist of 20 scintillation detectors (each with surface area of 50×50 cm 2 ) is placed in 1600 m 2 area. Array configuration and dimensions is shown in Fig.1 [9].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Estimating primary energy of cosmic rays by calculating secondary particles density in optimum distance from shower core

Rastegarzadeh

Rafezi

2018

Int. J. Mod. Phys. D

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Optimum distance (R opt ) is a distance from the shower core in which the density calculated by lateral distribution function, has its minimum uncertainty. In this paper, Using CORSIKA code, proton, carbon and iron primary in the energy range between 10 13 -3×10 15 eV are simulated to find R opt for Alborz-I array located at an altitude of 1200 m above sea level. It is shown that R opt is approximately independent of characteristics of primary particle and it is only dependent to array configuration. Dependency of R opt on layout and detector spacing for 20 Alborz-I array detectors, are studied. It is shown that the Alborz-I array layout and its detector spacing result into the best (minimum uncertainty) R opt for its number of detectors. In this work R opt for Alborz-I array is obtained about 9±1 m. In addition, it is shown that, by finding dependency of primary energy to density in optimum distance, energy of primary particle can be estimated well. An energy estimation function is suggested and the function is examined by another set of simulated showers.

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Section: Calculating R Opt For Alborz-i Arraymentioning

confidence: 99%

“…To overcome this contrast, fit parameters and core position are computed simultaneously by least square method using those functions which introduced above. Alborz-I array is simulated and based on the previous studies [9] it is preferred to record a shower when all 5 detectors of central cluster are triggered. For more precise calculation of R opt, numerical and analytical approaches are used.…”

Section: Calculating R Opt For Alborz-i Arraymentioning

confidence: 99%

See 1 more Smart Citation

Estimating primary energy of cosmic rays by calculating secondary particles density in optimum distance from shower core

Rastegarzadeh

Rafezi

2018

Int. J. Mod. Phys. D

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“…1). Preliminary steps that has been taken to prepare the Alborz-I array are: I) Optimizing the detectors [2], II) Study on the array specifications including array layout, trigger condition, trigger efficiency, array response and angular resolution [3]. 5 scintillation detectors as a pentagon array, which is similar to the central cluster of the Alborz-I collects data in a stable atmospheric conditions since February 2014.…”

Section: Introductionmentioning

confidence: 99%

“…2). It is worth mentioning that in the simulations[3] trigger condition of 5 out of 5 in the central cluster is one of the triggering conditions which obtains a good trigger efficiency and an apt angular resolution. So in analysing the experimental data the condition of all 5 fired detectors is enforced.…”

mentioning

confidence: 99%

Experimental cosmic ray studies by the sub-array of the Alborz-I array

Moghaddam¹,

Abdollahi²,

Bahmanabadi³

et al. 2016

Proceedings of the 34th International Cosmic Ray Conference — PoS(ICRC2015)

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The first phase of the Alborz Observatory Array (Alborz-I) is designed to have 20 scintillation detectors to study the cosmic ray spectrum in the energy range of 10 12 eV to 10 16 eV. In order to collect data under stable environmental conditions, a sub-array consists of 5 plastic scintillation detectors on a pentagon with side of 5 m similar to the central cluster of the Alborz-I have been operationalized since February 2014. This paper studies angular distribution of detected showers and the angular resolution of the sub-array and compares it to the simulation result.

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An approach to identify the mass and energy of the primary cosmic rays around the knee region using arrival time distribution of secondary charged particles in extensive air showers

Rastegarzadeh

Moghaddam

2020

Advances in Space Research

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Alborz-I array: A simulation on performance and properties of the array around the knee of the cosmic ray spectrum

Cited by 7 publications

References 7 publications

Estimating primary energy of cosmic rays by calculating secondary particles density in optimum distance from shower core

Estimating primary energy of cosmic rays by calculating secondary particles density in optimum distance from shower core

Experimental cosmic ray studies by the sub-array of the Alborz-I array

An approach to identify the mass and energy of the primary cosmic rays around the knee region using arrival time distribution of secondary charged particles in extensive air showers

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