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Title: Background-Independent Measurement of θ 13 in Double Chooz

The oscillation results published by the Double Chooz Collaboration in 2011 and 2012 rely on background models substantiated by reactor-on data. In this analysis, we present a background-model-independent measurement of the mixing angle θ 13 by including 7.53 days of reactor-off data. A global fit of the observed antineutrino rates for different reactor power conditions is performed, yielding a measurement of both θ 13 and the total background rate. The results on the mixing angle are improved significantly by including the reactor-off data in the fit, as it provides a direct measurement of the total background rate. This reactor rate modulation analysis considers antineutrino candidates with neutron captures on both Gd and H, whose combination yields sin 2(2θ 13) = 0.102 ± 0.028(stat.) ± 0.033(syst.). The results presented here are fully consistent with the ones already published by Double Chooz, achieving a competitive precision. They provide, for the first time, a determination of θ 13 that does not depend on a background model.
Authors:
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Publication Date:
Grant/Contract Number:
NA0000979
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 735; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Nuclear Science and Security Consortium
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
Contributing Orgs:
Double Chooz Collaboration
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
OSTI Identifier:
1209703
Alternate Identifier(s):
OSTI ID: 1454597

Abe, Y., dos Anjos, J. C., Barriere, J. C., Baussan, E., Bekman, I., Bergevin, M., Bezerra, T. J. C., Bezrukov, L., Blucher, E., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, L., Carr, R., Cerrada, M., Chang, P. -J., Chauveau, E., Chimenti, P., Collin, A. P., Conover, E., Conrad, J. M., Crespo-Anadón, J. I., Crum, K., Cucoanes, A., Damon, E., Dawson, J. V., Dietrich, D., Djurcic, Z., Dracos, M., Elnimr, M., Etenko, A., Fallot, M., von Feilitzsch, F., Felde, J., Fernandes, S. M., Fischer, V., Franco, D., Franke, M., Furuta, H., Gil-Botella, I., Giot, L., Göger-Neff, M., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Grant, C., Haag, N., Hara, T., Haser, J., Hofmann, M., Horton-Smith, G. A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Kemp, E., de Kerret, H., Konno, T., Kryn, D., Kuze, M., Lachenmaier, T., Lane, C. E., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., López-Castaño, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., Maeda, J., Mariani, C., Maricic, J., Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Miletic, T., Milincic, R., Minotti, A., Nagasaka, Y., Nakajima, K., Nikitenko, Y., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Palomares, C., Pepe, I. M., Perasso, S., Pfahler, P., Porta, A., Pronost, G., Reichenbacher, J., Reinhold, B., Röhling, M., Roncin, R., Roth, S., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schilithz, A. C., Schönert, S., Schoppmann, S., Shaevitz, M. H., Sharankova, R., Shimojima, S., Sibille, V., Sinev, V., Skorokhvatov, M., Smith, E., Spitz, J., Stahl, A., Stancu, I., Stokes, L. F. F., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Trinh Thi, H. H., Valdiviesso, G., Vassilopoulos, N., Veyssiere, C., Vivier, M., Wagner, S., Watanabe, H., Wiebusch, C., Winslow, L., Wurm, M., Yang, G., Yermia, F., and Zimmer, V.. Background-Independent Measurement of θ13 in Double Chooz. United States: N. p., Web. doi:10.1016/j.physletb.2014.04.045.
Abe, Y., dos Anjos, J. C., Barriere, J. C., Baussan, E., Bekman, I., Bergevin, M., Bezerra, T. J. C., Bezrukov, L., Blucher, E., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, L., Carr, R., Cerrada, M., Chang, P. -J., Chauveau, E., Chimenti, P., Collin, A. P., Conover, E., Conrad, J. M., Crespo-Anadón, J. I., Crum, K., Cucoanes, A., Damon, E., Dawson, J. V., Dietrich, D., Djurcic, Z., Dracos, M., Elnimr, M., Etenko, A., Fallot, M., von Feilitzsch, F., Felde, J., Fernandes, S. M., Fischer, V., Franco, D., Franke, M., Furuta, H., Gil-Botella, I., Giot, L., Göger-Neff, M., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Grant, C., Haag, N., Hara, T., Haser, J., Hofmann, M., Horton-Smith, G. A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Kemp, E., de Kerret, H., Konno, T., Kryn, D., Kuze, M., Lachenmaier, T., Lane, C. E., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., López-Castaño, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., Maeda, J., Mariani, C., Maricic, J., Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Miletic, T., Milincic, R., Minotti, A., Nagasaka, Y., Nakajima, K., Nikitenko, Y., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Palomares, C., Pepe, I. M., Perasso, S., Pfahler, P., Porta, A., Pronost, G., Reichenbacher, J., Reinhold, B., Röhling, M., Roncin, R., Roth, S., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schilithz, A. C., Schönert, S., Schoppmann, S., Shaevitz, M. H., Sharankova, R., Shimojima, S., Sibille, V., Sinev, V., Skorokhvatov, M., Smith, E., Spitz, J., Stahl, A., Stancu, I., Stokes, L. F. F., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Trinh Thi, H. H., Valdiviesso, G., Vassilopoulos, N., Veyssiere, C., Vivier, M., Wagner, S., Watanabe, H., Wiebusch, C., Winslow, L., Wurm, M., Yang, G., Yermia, F., & Zimmer, V.. Background-Independent Measurement of θ13 in Double Chooz. United States. doi:10.1016/j.physletb.2014.04.045.
Abe, Y., dos Anjos, J. C., Barriere, J. C., Baussan, E., Bekman, I., Bergevin, M., Bezerra, T. J. C., Bezrukov, L., Blucher, E., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, L., Carr, R., Cerrada, M., Chang, P. -J., Chauveau, E., Chimenti, P., Collin, A. P., Conover, E., Conrad, J. M., Crespo-Anadón, J. I., Crum, K., Cucoanes, A., Damon, E., Dawson, J. V., Dietrich, D., Djurcic, Z., Dracos, M., Elnimr, M., Etenko, A., Fallot, M., von Feilitzsch, F., Felde, J., Fernandes, S. M., Fischer, V., Franco, D., Franke, M., Furuta, H., Gil-Botella, I., Giot, L., Göger-Neff, M., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Grant, C., Haag, N., Hara, T., Haser, J., Hofmann, M., Horton-Smith, G. A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Kemp, E., de Kerret, H., Konno, T., Kryn, D., Kuze, M., Lachenmaier, T., Lane, C. E., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., López-Castaño, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., Maeda, J., Mariani, C., Maricic, J., Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Miletic, T., Milincic, R., Minotti, A., Nagasaka, Y., Nakajima, K., Nikitenko, Y., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Palomares, C., Pepe, I. M., Perasso, S., Pfahler, P., Porta, A., Pronost, G., Reichenbacher, J., Reinhold, B., Röhling, M., Roncin, R., Roth, S., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schilithz, A. C., Schönert, S., Schoppmann, S., Shaevitz, M. H., Sharankova, R., Shimojima, S., Sibille, V., Sinev, V., Skorokhvatov, M., Smith, E., Spitz, J., Stahl, A., Stancu, I., Stokes, L. F. F., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Trinh Thi, H. H., Valdiviesso, G., Vassilopoulos, N., Veyssiere, C., Vivier, M., Wagner, S., Watanabe, H., Wiebusch, C., Winslow, L., Wurm, M., Yang, G., Yermia, F., and Zimmer, V.. 2014. "Background-Independent Measurement of θ13 in Double Chooz". United States. doi:10.1016/j.physletb.2014.04.045.
@article{osti_1209703,
title = {Background-Independent Measurement of θ13 in Double Chooz},
author = {Abe, Y. and dos Anjos, J. C. and Barriere, J. C. and Baussan, E. and Bekman, I. and Bergevin, M. and Bezerra, T. J. C. and Bezrukov, L. and Blucher, E. and Buck, C. and Busenitz, J. and Cabrera, A. and Caden, E. and Camilleri, L. and Carr, R. and Cerrada, M. and Chang, P. -J. and Chauveau, E. and Chimenti, P. and Collin, A. P. and Conover, E. and Conrad, J. M. and Crespo-Anadón, J. I. and Crum, K. and Cucoanes, A. and Damon, E. and Dawson, J. V. and Dietrich, D. and Djurcic, Z. and Dracos, M. and Elnimr, M. and Etenko, A. and Fallot, M. and von Feilitzsch, F. and Felde, J. and Fernandes, S. M. and Fischer, V. and Franco, D. and Franke, M. and Furuta, H. and Gil-Botella, I. and Giot, L. and Göger-Neff, M. and Gonzalez, L. F. G. and Goodenough, L. and Goodman, M. C. and Grant, C. and Haag, N. and Hara, T. and Haser, J. and Hofmann, M. and Horton-Smith, G. A. and Hourlier, A. and Ishitsuka, M. and Jochum, J. and Jollet, C. and Kaether, F. and Kalousis, L. N. and Kamyshkov, Y. and Kaplan, D. M. and Kawasaki, T. and Kemp, E. and de Kerret, H. and Konno, T. and Kryn, D. and Kuze, M. and Lachenmaier, T. and Lane, C. E. and Lasserre, T. and Letourneau, A. and Lhuillier, D. and Lima, H. P. and Lindner, M. and López-Castaño, J. M. and LoSecco, J. M. and Lubsandorzhiev, B. K. and Lucht, S. and Maeda, J. and Mariani, C. and Maricic, J. and Martino, J. and Matsubara, T. and Mention, G. and Meregaglia, A. and Miletic, T. and Milincic, R. and Minotti, A. and Nagasaka, Y. and Nakajima, K. and Nikitenko, Y. and Novella, P. and Obolensky, M. and Oberauer, L. and Onillon, A. and Osborn, A. and Palomares, C. and Pepe, I. M. and Perasso, S. and Pfahler, P. and Porta, A. and Pronost, G. and Reichenbacher, J. and Reinhold, B. and Röhling, M. and Roncin, R. and Roth, S. and Rybolt, B. and Sakamoto, Y. and Santorelli, R. and Sato, F. and Schilithz, A. C. and Schönert, S. and Schoppmann, S. and Shaevitz, M. H. and Sharankova, R. and Shimojima, S. and Sibille, V. and Sinev, V. and Skorokhvatov, M. and Smith, E. and Spitz, J. and Stahl, A. and Stancu, I. and Stokes, L. F. F. and Strait, M. and Stüken, A. and Suekane, F. and Sukhotin, S. and Sumiyoshi, T. and Sun, Y. and Svoboda, R. and Terao, K. and Tonazzo, A. and Trinh Thi, H. H. and Valdiviesso, G. and Vassilopoulos, N. and Veyssiere, C. and Vivier, M. and Wagner, S. and Watanabe, H. and Wiebusch, C. and Winslow, L. and Wurm, M. and Yang, G. and Yermia, F. and Zimmer, V.},
abstractNote = {The oscillation results published by the Double Chooz Collaboration in 2011 and 2012 rely on background models substantiated by reactor-on data. In this analysis, we present a background-model-independent measurement of the mixing angle θ13 by including 7.53 days of reactor-off data. A global fit of the observed antineutrino rates for different reactor power conditions is performed, yielding a measurement of both θ13 and the total background rate. The results on the mixing angle are improved significantly by including the reactor-off data in the fit, as it provides a direct measurement of the total background rate. This reactor rate modulation analysis considers antineutrino candidates with neutron captures on both Gd and H, whose combination yields sin2(2θ13) = 0.102 ± 0.028(stat.) ± 0.033(syst.). The results presented here are fully consistent with the ones already published by Double Chooz, achieving a competitive precision. They provide, for the first time, a determination of θ13 that does not depend on a background model.},
doi = {10.1016/j.physletb.2014.04.045},
journal = {Physics Letters. Section B},
number = C,
volume = 735,
place = {United States},
year = {2014},
month = {5}
}