Study of atmospheric neutrino interactions with the Fréjus detector

Berger, Ch.; Fröhlich, Matthias; Mönch, H.; Nisius, R.; Raupach, F.; Schleper, P.; Benadjal, Y.; Blum, D.; Bourdarios, C.; Dudelzak, B.; Eschstruth, P.; Jullian, S.; Lalanne, D.; Laplanche, F.; Longuemare, C.; Paulot, C.; Perdereau, O.; Roy, P.; Szklarz, G.; Behr, L.; Degrange, B.; Nguyen-Khac, U.; Tisserant, S.; Arpesella, C.; Bareyre, P.; Barloutaud, R.; Borg, A.; Chardin, G.; Ernwein, J.; Glicenstein, J. F.; Mosca, L.; Moscoso, L.; Becker, J. K.; Becker, K.; Daum, H. J.; Demski, S.; Jacobi, B.; Кузник, Б. И.; Mayer, R.; Meyer, H.; Möller, R.; Schubnell, M.; Seyffert, B.; Wei, Y.; Wintgen, P.

doi:10.1016/0370-2693(89)90968-4

Cited by 132 publications

(16 citation statements)

References 6 publications

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“…The fine-grained iron calorimeters NUSEX [44] and Frejus [45] experiments both reported results that were consistent with MC expectations within their statistics. More recently the Soudan-2 experiment, another fine-grained iron calorimeter experiment, reported a higher statistics result [46,47] that was consistent with the IMB and Kamiokande results.…”

Section: Early Atmospheric Neutrino Experimentssupporting

confidence: 60%

Measurement of the calorimetric energy scale in MINOS

Hartnell¹

2005

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MINOS is a long-baseline neutrino oscillation experiment. A neutrino beam is created at the Fermi National Accelerator Laboratory in Illinois and fired down through the Earth. Measurements of the energy spectra and composition of the neutrino beam are made both at the source using the Near detector and 735 km away at the Soudan Underground Laboratory in Minnesota using the Far detector. By comparing the spectrum and flavour composition of the neutrino beam between the two detectors neutrino oscillations can be observed. Such a comparison depends on the accuracy of the relative calorimetric energy scale.This thesis details a precise measurement of the calorimetric energy scale of the MINOS Far detector and Calibration detector using stopping muons with a new "track window" technique. These measurements are used to perform the relative calibration between the two detectors. This calibration has been accomplished to 1.7% in data and to significantly better than 2% in the Monte Carlo simulation, thus achieving the MINOS relative calibration target of 2%.A number of cross-checks have been performed to ensure the robustness of the calorimetric energy scale measurements. At the Calibration detector the test-beam energy between run periods is found to be consistent with the detector response to better than 2% after the relative calibration is applied. The muon energy loss in the MINOS detectors determined from Bethe-Bloch predictions, data and Monte Carlo are compared and understood.To estimate the systematic error on the measurement of the neutrino oscillation parameters caused by a relative miscalibration a study is performed. A 2% relative miscalibration is shown to cause a 0.6% bias in the values of ∆m 2 and sin 2 (2θ).To my parents.i

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Section: Early Atmospheric Neutrino Experimentssupporting

confidence: 60%

Measurement of the calorimetric energy scale in MINOS

Hartnell¹

2005

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“…Values close to those obtained in the Kamiokande experiment (0.6) were obtained via the Cherenkov water detector IMB [171] and the electron detector (gaseous counters) SUDAN-2 [172], and values close to unity were obtained from the Frejus electron detector with iron plates [173] and the similar NUSEX detector [174] (see Table 1). …”

Section: Search For Atmospheric Neutrino Oscillationssupporting

confidence: 54%

Neutrino mass problem: the state of the art

Kozlov¹,

Martemyanov²,

Mukhin³

1997

Phys.-Usp.

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“…The GALLEX detector was calibrated using two independent methods. The first one made use of neutrinos from two intense (> 60 PBq) 51 Cr sources: the combined value of the ratio R between the neutrino source strength as derived from the measured rate of 71 Ga production and the directly determined source strength is R = 0.93 ± 0.08. 28 The other calibration was performed by injecting, under varying conditions, a known amount of 71 As into the full-scale detector.…”

Section: Resultsmentioning

confidence: 99%

“…29 The arsenic isotope decays by electron capture and positron emission to 71 Ge (T 1/2 = 2.72 d), producing radioactive atoms which mimic the solar neutrino capture kinematics. Although neutrinos from the 51 Cr source provide a better match to solar neutrino energies, the second method has the great advantage of large statistics. The measured recovery rate of 71 Ge from gallium is 1 ± 0.01.…”

Section: Resultsmentioning

confidence: 99%

An Experimentalist's View of Neutrino Oscillations

Santo

2001

Int. J. Mod. Phys. A

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Invited paper to appear in Intern. J. Mod. Phys. A (2001) Neutrinos, and primarily neutrino oscillations, have undoubtedly been one of the most exciting topics in the field of high-energy physics over the past few years. The existence of neutrino oscillations would require an extension of the currently accepted description of sub-nuclear phenomena beyond the Standard Model. Compelling evidence of new physics, which seems to be pointing towards neutrino oscillations, is coming from the solar neutrino deficit and from the atmospheric neutrino anomaly. More controversial effects have been observed with artificially produced neutrinos. The present experimental status of neutrino oscillations is reviewed, as well as the planned future experimental programme, which, it is hoped, will solve most of the outstanding puzzles.

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Study of atmospheric neutrino interactions with the Fréjus detector

Cited by 132 publications

References 6 publications

Measurement of the calorimetric energy scale in MINOS

Measurement of the calorimetric energy scale in MINOS

Neutrino mass problem: the state of the art

An Experimentalist's View of Neutrino Oscillations

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