2000
DOI: 10.1103/physrevd.62.092005
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Neutron production by cosmic-ray muons at shallow depth

Abstract: The yield of neutrons produced by cosmic ray muons at a shallow depth of 32 meters of water equivalent has been measured. The Palo Verde neutrino detector, containing 11.3 tons of Gd loaded liquid scintillator and 3.5 tons of acrylic served as a target. The rate of one and two neutron captures was determined. Modeling the neutron capture efficiency allowed us to deduce the total yield of neutrons $ Y_{tot} = (3.60 \pm 0.09 \pm 0.31) \times 10^{-5}$ neutrons per muon and g/cm$^2$. This yield is consistent with … Show more

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Cited by 44 publications
(24 citation statements)
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“…The Muon-Induced Neutron Indirect Detection EXperiment (MINIDEX) was designed to provide data on the interactions of cosmic high-energy muons in high-Z materials. Previous measurements are not really consistent [1,2,3,4,5,6,7]. Neither are the corresponding calculations [8,9,10,1,11].…”
Section: Introductionmentioning
confidence: 89%
“…The Muon-Induced Neutron Indirect Detection EXperiment (MINIDEX) was designed to provide data on the interactions of cosmic high-energy muons in high-Z materials. Previous measurements are not really consistent [1,2,3,4,5,6,7]. Neither are the corresponding calculations [8,9,10,1,11].…”
Section: Introductionmentioning
confidence: 89%
“…The predicted yields at Daya Bay from GEANT4 and FLUKA are also shown. Experimental data is shown from Hertenberger [6], Boehm [8], Aberdeen Tunnel [10], KamLAND [4], LVD [2] with corrections from [35], and Borexino [3]. The solid line shows the power-law fit to the global data set including Daya Bay.…”
Section: A Comparison With Other Experimentsmentioning
confidence: 99%
“…Muon-induced neutron and isotope production has been studied with the CERN Super Proton Synchrotron (SPS) muon beam in 2000 [1]. Studies on neutron and isotope yields in various materials in underground detectors have been performed by the INFN largevolume detector (LVD) [2], Borexino [3], KamLAND [4], and many others [5][6][7][8][9][10][11][12]. This paper reports a measurement of the neutron production rate in liquid scintillator at three different values of average muon energy by the Daya Bay Reactor Neutrino Experiment, an underground lowbackground neutrino oscillation experiment.…”
Section: Introductionmentioning
confidence: 99%
“…With Super-K nearly reaching the sensi-tivity needed for the above discoveries, a more detailed approach is needed. The interactions of muons with scintillator have been studied extensively with underground [26][27][28][29] and accelerator [30][31][32] experiments, and measurements like these have been incorporated into simulation packages like FLUKA [33,34] and GEANT4 [35,36]. This gives an opportunity to check our work and to understand the expected uncertainties of the simulations.…”
Section: Introductionmentioning
confidence: 99%