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Title: Experimental search for the “LSND anomaly” with the ICARUS detector in the CNGS neutrino beam

Abstract

We report an early result from the ICARUS experiment on the search for a νμ→ νesignal due to the LSND anomaly. The search was performed with the ICARUS T600 detector located at the Gran Sasso Laboratory, receiving CNGS neutrinos from CERN at an average energy of about 20 GeV, after a flight path of ~730 km. The LSND anomaly would manifest as an excess of νeevents, characterized by a fast energy oscillation averaging approximately to sin2(1. 27Δ m2newL/Eν) ≈ 1/2 with probability Pνμ→ νe = 1/2 sin2(2θnew. The present analysis is based on 1091 neutrino events, which are about 50 % of the ICARUS data collected in 2010-2011. Two clear νeevents have been found, compared with the expectation of 3.7±0.6 events from conventional sources.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
ICARUS Collaboration; MiniBooNE Collaboration
OSTI Identifier:
1511343
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 73; Journal Issue: 3; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Monte Carlo; Neutrino Oscillation; Charged Current; Primary Vertex; Neutrino Beam

Citation Formats

Antonello, M., Baibussinov, B., Benetti, P., Calligarich, E., Canci, N., Centro, S., Cesana, A., Cieślik, K., Cline, D. B., Cocco, A. G., Dabrowska, A., Dequal, D., Dermenev, A., Dolfini, R., Farnese, C., Fava, A., Ferrari, A., Fiorillo, G., Gibin, D., Gninenko, S., Guglielmi, A., Haranczyk, M., Holeczek, J., Ivashkin, A., Kirsanov, M., Kisiel, J., Kochanek, I., Lagoda, J., Mania, S., Menegolli, A., Meng, G., Montanari, C., Otwinowski, S., Piazzoli, A., Picchi, P., Pietropaolo, F., Plonski, P., Rappoldi, A., Raselli, G. L., Rossella, M., Rubbia, C., Sala, P. R., Scantamburlo, E., Scaramelli, A., Segreto, E., Sergiampietri, F., Stefan, D., Stepaniak, J., Sulej, R., Szarska, M., Terrani, M., Varanini, F., Ventura, S., Vignoli, C., Wang, H. G., Yang, X., Zalewska, A., and Zaremba, K. Experimental search for the “LSND anomaly” with the ICARUS detector in the CNGS neutrino beam. United States: N. p., 2013. Web. doi:10.1140/epjc/s10052-013-2345-6.
Antonello, M., Baibussinov, B., Benetti, P., Calligarich, E., Canci, N., Centro, S., Cesana, A., Cieślik, K., Cline, D. B., Cocco, A. G., Dabrowska, A., Dequal, D., Dermenev, A., Dolfini, R., Farnese, C., Fava, A., Ferrari, A., Fiorillo, G., Gibin, D., Gninenko, S., Guglielmi, A., Haranczyk, M., Holeczek, J., Ivashkin, A., Kirsanov, M., Kisiel, J., Kochanek, I., Lagoda, J., Mania, S., Menegolli, A., Meng, G., Montanari, C., Otwinowski, S., Piazzoli, A., Picchi, P., Pietropaolo, F., Plonski, P., Rappoldi, A., Raselli, G. L., Rossella, M., Rubbia, C., Sala, P. R., Scantamburlo, E., Scaramelli, A., Segreto, E., Sergiampietri, F., Stefan, D., Stepaniak, J., Sulej, R., Szarska, M., Terrani, M., Varanini, F., Ventura, S., Vignoli, C., Wang, H. G., Yang, X., Zalewska, A., & Zaremba, K. Experimental search for the “LSND anomaly” with the ICARUS detector in the CNGS neutrino beam. United States. doi:10.1140/epjc/s10052-013-2345-6.
Antonello, M., Baibussinov, B., Benetti, P., Calligarich, E., Canci, N., Centro, S., Cesana, A., Cieślik, K., Cline, D. B., Cocco, A. G., Dabrowska, A., Dequal, D., Dermenev, A., Dolfini, R., Farnese, C., Fava, A., Ferrari, A., Fiorillo, G., Gibin, D., Gninenko, S., Guglielmi, A., Haranczyk, M., Holeczek, J., Ivashkin, A., Kirsanov, M., Kisiel, J., Kochanek, I., Lagoda, J., Mania, S., Menegolli, A., Meng, G., Montanari, C., Otwinowski, S., Piazzoli, A., Picchi, P., Pietropaolo, F., Plonski, P., Rappoldi, A., Raselli, G. L., Rossella, M., Rubbia, C., Sala, P. R., Scantamburlo, E., Scaramelli, A., Segreto, E., Sergiampietri, F., Stefan, D., Stepaniak, J., Sulej, R., Szarska, M., Terrani, M., Varanini, F., Ventura, S., Vignoli, C., Wang, H. G., Yang, X., Zalewska, A., and Zaremba, K. Wed . "Experimental search for the “LSND anomaly” with the ICARUS detector in the CNGS neutrino beam". United States. doi:10.1140/epjc/s10052-013-2345-6. https://www.osti.gov/servlets/purl/1511343.
@article{osti_1511343,
title = {Experimental search for the “LSND anomaly” with the ICARUS detector in the CNGS neutrino beam},
author = {Antonello, M. and Baibussinov, B. and Benetti, P. and Calligarich, E. and Canci, N. and Centro, S. and Cesana, A. and Cieślik, K. and Cline, D. B. and Cocco, A. G. and Dabrowska, A. and Dequal, D. and Dermenev, A. and Dolfini, R. and Farnese, C. and Fava, A. and Ferrari, A. and Fiorillo, G. and Gibin, D. and Gninenko, S. and Guglielmi, A. and Haranczyk, M. and Holeczek, J. and Ivashkin, A. and Kirsanov, M. and Kisiel, J. and Kochanek, I. and Lagoda, J. and Mania, S. and Menegolli, A. and Meng, G. and Montanari, C. and Otwinowski, S. and Piazzoli, A. and Picchi, P. and Pietropaolo, F. and Plonski, P. and Rappoldi, A. and Raselli, G. L. and Rossella, M. and Rubbia, C. and Sala, P. R. and Scantamburlo, E. and Scaramelli, A. and Segreto, E. and Sergiampietri, F. and Stefan, D. and Stepaniak, J. and Sulej, R. and Szarska, M. and Terrani, M. and Varanini, F. and Ventura, S. and Vignoli, C. and Wang, H. G. and Yang, X. and Zalewska, A. and Zaremba, K.},
abstractNote = {We report an early result from the ICARUS experiment on the search for a νμ→ νesignal due to the LSND anomaly. The search was performed with the ICARUS T600 detector located at the Gran Sasso Laboratory, receiving CNGS neutrinos from CERN at an average energy of about 20 GeV, after a flight path of ~730 km. The LSND anomaly would manifest as an excess of νeevents, characterized by a fast energy oscillation averaging approximately to sin2(1. 27Δ m2newL/Eν) ≈ 1/2 with probability Pνμ→ νe = 1/2 sin2(2θnew. The present analysis is based on 1091 neutrino events, which are about 50 % of the ICARUS data collected in 2010-2011. Two clear νeevents have been found, compared with the expectation of 3.7±0.6 events from conventional sources.},
doi = {10.1140/epjc/s10052-013-2345-6},
journal = {European Physical Journal. C, Particles and Fields},
number = 3,
volume = 73,
place = {United States},
year = {2013},
month = {3}
}

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Figures / Tables:

Fig. 1 Fig. 1: (A) Energy deposition density distribution for muons in CNGS CC interactions, compared with Monte Carlo, normalised to the same number of entries. Each entry corresponds to one wire hit. (B) Experimental raw energy distribution $E$dep for muon neutrinos and antineutrinos CC interaction in the ICARUS T600 detector (symbols)more » compared with the Monte Carlo expectations (solid histogram), normalised to the same number of entries« less

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