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1. Measurement of the ($\pi^-$, Ar) total hadronic cross section at the LArIAT experiment

Author

Gramellini, E., Ho, J., Acciarri, R., Adams, C., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Basque, V., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Dedin, P., Santos, M. V. dos, Edmunds, D., Escobar, C., Esquivel, J., Evans, J. J., Falcone, A., Flanagan, W., Fleming, B. T., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gran, R., Gratieri, D. R., Guzowski, P., Hahn, A., Hamilton, P., Hill, C., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J . L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Nunes, M. Soares, Schmitz, D. W., Segreto, E., Shooltz, D., Smith, D., Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A. M., Tabata, M., Totani, D., Tzanov, M., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zhang, S., Zhu, J., Gramellini, E., Ho, J., Acciarri, R., Adams, C., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Basque, V., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Dedin, P., Santos, M. V. dos, Edmunds, D., Escobar, C., Esquivel, J., Evans, J. J., Falcone, A., Flanagan, W., Fleming, B. T., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gran, R., Gratieri, D. R., Guzowski, P., Hahn, A., Hamilton, P., Hill, C., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J . L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Nunes, M. Soares, Schmitz, D. W., Segreto, E., Shooltz, D., Smith, D., Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A. M., Tabata, M., Totani, D., Tzanov, M., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zhang, S., and Zhu, J.

Abstract

We present the first measurement of the negative pion total hadronic cross section on argon, which we performed at the Liquid Argon In A Testbeam (LArIAT) experiment. All hadronic reaction channels, as well as hadronic elastic interactions with scattering angle greater than 5~degrees are included. The pions have a kinetic energies in the range 100-700~MeV and are produced by a beam of charged particles impinging on a solid target at the Fermilab Test Beam Facility. LArIAT employs a 0.24~ton active mass Liquid Argon Time Projection Chamber (LArTPC) to measure the pion hadronic interactions. For this measurement, LArIAT has developed the ``thin slice method", a new technique to measure cross sections with LArTPCs. While generally higher than the prediction, our measurement of the ($\pi^-$,Ar) total hadronic cross section is in agreement with the prediction of the Geant4 model when considering a model uncertainty of $\sim$5.1\%., Comment: 15 pages, 15 figures, 3 tables, accepted by PRD

Published
2021
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2. Measurement of the ($\pi^-$, Ar) total hadronic cross section at the LArIAT experiment

Author

Gramellini, E., Ho, J., Acciarri, R., Adams, C., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Basque, V., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Dedin, P., Santos, M. V. dos, Edmunds, D., Escobar, C., Esquivel, J., Evans, J. J., Falcone, A., Flanagan, W., Fleming, B. T., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gran, R., Gratieri, D. R., Guzowski, P., Hahn, A., Hamilton, P., Hill, C., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J . L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Nunes, M. Soares, Schmitz, D. W., Segreto, E., Shooltz, D., Smith, D., Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A. M., Tabata, M., Totani, D., Tzanov, M., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zhang, S., Zhu, J., Gramellini, E., Ho, J., Acciarri, R., Adams, C., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Basque, V., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Dedin, P., Santos, M. V. dos, Edmunds, D., Escobar, C., Esquivel, J., Evans, J. J., Falcone, A., Flanagan, W., Fleming, B. T., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gran, R., Gratieri, D. R., Guzowski, P., Hahn, A., Hamilton, P., Hill, C., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J . L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Nunes, M. Soares, Schmitz, D. W., Segreto, E., Shooltz, D., Smith, D., Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A. M., Tabata, M., Totani, D., Tzanov, M., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zhang, S., and Zhu, J.

Abstract

We present the first measurement of the negative pion total hadronic cross section on argon, which we performed at the Liquid Argon In A Testbeam (LArIAT) experiment. All hadronic reaction channels, as well as hadronic elastic interactions with scattering angle greater than 5~degrees are included. The pions have a kinetic energies in the range 100-700~MeV and are produced by a beam of charged particles impinging on a solid target at the Fermilab Test Beam Facility. LArIAT employs a 0.24~ton active mass Liquid Argon Time Projection Chamber (LArTPC) to measure the pion hadronic interactions. For this measurement, LArIAT has developed the ``thin slice method", a new technique to measure cross sections with LArTPCs. While generally higher than the prediction, our measurement of the ($\pi^-$,Ar) total hadronic cross section is in agreement with the prediction of the Geant4 model when considering a model uncertainty of $\sim$5.1\%., Comment: 15 pages, 15 figures, 3 tables, accepted by PRD

Published
2021
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3. The Liquid Argon In A Testbeam (LArIAT) Experiment

Author

LArIAT Collaboration, Acciarri, R., Adams, C. J., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Neto, P. Dedin, Santos, M. V. Dos, Dytman, S., Edmunds, D., Elkins, M., Escobar, C. O., Esquivel, J., Evans, J., Falcone, A., Farbin, A., Flanagan, W., Fleming, B., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gramellini, E., Gran, R., Guzowski, P., Habig, A., Hahn, A., Hamilton, P., Hill, C., Ho, J., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Jostlein, H., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J. L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Schmitz, D., Sessumes, D., Shahsavarani, S., Shooltz, D., Segreto, E., Smith, D., Nunes, M. Soares, Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A., Tabata, M., Totani, D., Tzanov, M., Valdiviesso, G., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zeller, G., Zhang, S., Zhu, J., LArIAT Collaboration, Acciarri, R., Adams, C. J., Asaadi, J., Backfish, M., Badgett, W., Baller, B., Rodrigues, O. Benevides, Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Fernandez, R. Castillo, Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Neto, P. Dedin, Santos, M. V. Dos, Dytman, S., Edmunds, D., Elkins, M., Escobar, C. O., Esquivel, J., Evans, J., Falcone, A., Farbin, A., Flanagan, W., Fleming, B., Foreman, W., Garcia-Gamez, D., Gastler, D., Ghosh, T., Gomes, R. A., Gramellini, E., Gran, R., Guzowski, P., Habig, A., Hahn, A., Hamilton, P., Hill, C., Ho, J., Holin, A., Hugon, J., Iwai, E., Jensen, D., Johnson, R. A., Jostlein, H., Kawai, H., Kearns, E., Kemp, E., Kirby, M., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Lockwitz, S., Luo, X., Machado, A. A. B., Marchionni, A., Maruyama, T., Santos, L. Mendes, Metcalf, W., Moura, C. A., Nichol, R., Nutini, I., Olivier, A., Palamara, O., Paley, J., Parmaksiz, I., Gelli, B. Passarelli, Paulucci, L., Phan, D., Pulliam, G., Raaf, J. L., Rebel, B., Guzzo, M. Reggiani, Ross-Lonergan, M., Schmitz, D., Sessumes, D., Shahsavarani, S., Shooltz, D., Segreto, E., Smith, D., Nunes, M. Soares, Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., Stancari, M., Stefan, D., Stephens, M., Sulej, R., Szelc, A., Tabata, M., Totani, D., Tzanov, M., Valdiviesso, G., Walker, D., Wenzel, H., Williams, Z., Yang, T., Yu, J., Zeller, G., Zhang, S., and Zhu, J.

Abstract

The LArIAT liquid argon time projection chamber, placed in a tertiary beam of charged particles at the Fermilab Test Beam Facility, has collected large samples of pions, muons, electrons, protons, and kaons in the momentum range 300-1400 MeV/c. This paper describes the main aspects of the detector and beamline, and also reports on calibrations performed for the detector and beamline components.

Published
2019
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4. Calorimetry for low-energy electrons using charge and light in liquid argon

Author

Foreman, W., Acciarri, R., Asaadi, J. A., Badgett, W., Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Evans, J., Falcone, A., Flanagan, W., Fleming, B. T., Garcia-Gomez, D., Gelli, B., Ghosh, T., Gomes, R. A., Gramellini, E., Gran, R., Hamilton, P., Hill, C., Ho, J., Hugon, J., Iwai, E., Kearns, E., Kemp, E., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Machado, A. A. B., Maruyama, T., Metcalf, W., Moura, C. A., Nichol, R., Nunes, M., Nutini, I., Olivier, A., Palamara, O., Paley, J., Paulucci, L., Pulliam, G., Raaf, J. L., Rebel, B., Rodrigues, O., Santos, L. Mendes, Schmitz, D. W., Segreto, E., Smith, D., Soderberg, M., Spagliardi, F., John, J. M. St., Stancari, M., Szelc, A. M., Tzanov, M., Walker, D., Williams, Z., Yang, T., Yu, J., Zhang, S., Foreman, W., Acciarri, R., Asaadi, J. A., Badgett, W., Blaszczyk, F. d. M., Bouabid, R., Bromberg, C., Carey, R., Cavanna, F., Aleman, J. I. Cevallos, Chatterjee, A., Evans, J., Falcone, A., Flanagan, W., Fleming, B. T., Garcia-Gomez, D., Gelli, B., Ghosh, T., Gomes, R. A., Gramellini, E., Gran, R., Hamilton, P., Hill, C., Ho, J., Hugon, J., Iwai, E., Kearns, E., Kemp, E., Kobilarcik, T., Kordosky, M., Kryczynski, P., Lang, K., Linehan, R., Machado, A. A. B., Maruyama, T., Metcalf, W., Moura, C. A., Nichol, R., Nunes, M., Nutini, I., Olivier, A., Palamara, O., Paley, J., Paulucci, L., Pulliam, G., Raaf, J. L., Rebel, B., Rodrigues, O., Santos, L. Mendes, Schmitz, D. W., Segreto, E., Smith, D., Soderberg, M., Spagliardi, F., John, J. M. St., Stancari, M., Szelc, A. M., Tzanov, M., Walker, D., Williams, Z., Yang, T., Yu, J., and Zhang, S.

Abstract

Precise calorimetric reconstruction of 5-50 MeV electrons in liquid argon time projection chambers (LArTPCs) will enable the study of astrophysical neutrinos in DUNE and could enhance the physics reach of oscillation analyses. Liquid argon scintillation light has the potential to improve energy reconstruction for low-energy electrons over charge-based measurements alone. Here we demonstrate light-augmented calorimetry for low-energy electrons in a single-phase LArTPC using a sample of Michel electrons from decays of stopping cosmic muons in the LArIAT experiment at Fermilab. Michel electron energy spectra are reconstructed using both a traditional charge-based approach as well as a more holistic approach that incorporates both charge and light. A maximum-likelihood fitter, using LArIAT's well-tuned simulation, is developed for combining these quantities to achieve optimal energy resolution. A sample of isolated electrons is simulated to better determine the energy resolution expected for astrophysical electron-neutrino charged-current interaction final states. In LArIAT, which has very low wire noise and an average light yield of 18 pe/MeV, an energy resolution of $\sigma/E \simeq 9.3\%/\sqrt{E} \oplus 1.3\%$ is achieved. Samples are then generated with varying wire noise levels and light yields to gauge the impact of light-augmented calorimetry in larger LArTPCs. At a charge-readout signal-to-noise of S/N $\simeq$ 30, for example, the energy resolution for electrons below 40 MeV is improved by $\approx$ 10%, $\approx$ 20%, and $\approx$ 40% over charge-only calorimetry for average light yields of 10 pe/MeV, 20 pe/MeV, and 100 pe/MeV, respectively.

Published
2019
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5. The Intermediate Neutrino Program

Author

Adams, C., Alonso, J. R., Ankowski, A. M., Asaadi, J. A., Ashenfelter, J., Axani, S. N., Babu, K., Backhouse, C., Band, H. R., Barbeau, P. S., Barros, N., Bernstein, A., Betancourt, M., Bishai, M., Blucher, E., Bouffard, J., Bowden, N., Brice, S., Bryan, C., Camilleri, L., Cao, J., Carlson, J., Carr, R. E., Chatterjee, A., Chen, M., Chen, S., Chiu, M., Church, E. D., Collar, J. I., Collin, G., Conrad, J. M., Convery, M. R., Cooper, R. L., Cowen, D., Davoudiasl, H., De Gouvea, A., Dean, D. J., Deichert, G., Descamps, F., DeYoung, T., Diwan, M. V., Djurcic, Z., Dolinski, M. J., Dolph, J., Donnelly, B., Dwyer, D. A., Dytman, S., Efremenko, Y., Everett, L. L., Fava, A., Figueroa-Feliciano, E., Fleming, B., Friedland, A., Fujikawa, B. K., Gaisser, T. K., Galeazzi, M., Galehouse, D. C., Galindo-Uribarri, A., Garvey, G. T., Gautam, S., Gilje, K. E., Gonzalez-Garcia, M., Goodman, M. C., Gordon, H., Gramellini, E., Green, M. P., Guglielmi, A., Hackenburg, R. W., Hackenburg, A., Halzen, F., Han, K., Hans, S., Harris, D., Heeger, K. M., Herman, M., Hill, R., Holin, A., Huber, P., Jaffe, D. E., Johnson, R. A., Joshi, J., Karagiorgi, G., Kaufman, L. J., Kayser, B., Kettell, S. H., Kirby, B. J., Klein, J. R., Kolomensky, Yu. G., Kriske, R. M., Lane, C. E., Langford, T. J., Lankford, A., Lau, K., Learned, J. G., Ling, J., Link, J. M., Lissauer, D., Littenberg, L., Littlejohn, B. R., Lockwitz, S., Lokajicek, M., Louis, W. C., Luk, K., Lykken, J., Marciano, W. J., Maricic, J., Markoff, D. M., Caicedo, D. A. Martinez, Mauger, C., Mavrokoridis, K., McCluskey, E., McKeen, D., McKeown, R., Mills, G., Mocioiu, I., Monreal, B., Mooney, M. R., Morfin, J. G., Mumm, P., Napolitano, J., Neilson, R., Nelson, J. K., Nessi, M., Norcini, D., Nova, F., Nygren, D. R., Gann, G. D. Orebi, Palamara, O., Parsa, Z., Patterson, R., Paul, P., Pocar, A., Qian, X., Raaf, J. L., Rameika, R., Ranucci, G., Ray, H., Reyna, D., Rich, G. C., Rodrigues, P., Romero, E. Romero, Rosero, R., Rountree, S. D., Rybolt, B., Sanchez, M. C., Santucci, G., Schmitz, D., Scholberg, K., Seckel, D., Shaevitz, M., Shrock, R., Smy, M. B., Soderberg, M., Sonzogni, A., Sousa, A. B., Spitz, J., John, J. M. St., Stewart, J., Strait, J. B., Sullivan, G., Svoboda, R., Szelc, A. M., Tayloe, R., Thomson, M. A., Toups, M., Vacheret, A., Vagins, M., Van de Water, R. G., Vogelaar, R. B., Weber, M., Weng, W., Wetstein, M., White, C., White, B. R., Whitehead, L., Whittington, D. W., Wilking, M. J., Wilson, R. J., Wilson, P., Winklehner, D., Winn, D. R., Worcester, E., Yang, L., Yeh, M., Yokley, Z. W., Yoo, J., Yu, B., Yu, J., Zhang, C., Adams, C., Alonso, J. R., Ankowski, A. M., Asaadi, J. A., Ashenfelter, J., Axani, S. N., Babu, K., Backhouse, C., Band, H. R., Barbeau, P. S., Barros, N., Bernstein, A., Betancourt, M., Bishai, M., Blucher, E., Bouffard, J., Bowden, N., Brice, S., Bryan, C., Camilleri, L., Cao, J., Carlson, J., Carr, R. E., Chatterjee, A., Chen, M., Chen, S., Chiu, M., Church, E. D., Collar, J. I., Collin, G., Conrad, J. M., Convery, M. R., Cooper, R. L., Cowen, D., Davoudiasl, H., De Gouvea, A., Dean, D. J., Deichert, G., Descamps, F., DeYoung, T., Diwan, M. V., Djurcic, Z., Dolinski, M. J., Dolph, J., Donnelly, B., Dwyer, D. A., Dytman, S., Efremenko, Y., Everett, L. L., Fava, A., Figueroa-Feliciano, E., Fleming, B., Friedland, A., Fujikawa, B. K., Gaisser, T. K., Galeazzi, M., Galehouse, D. C., Galindo-Uribarri, A., Garvey, G. T., Gautam, S., Gilje, K. E., Gonzalez-Garcia, M., Goodman, M. C., Gordon, H., Gramellini, E., Green, M. P., Guglielmi, A., Hackenburg, R. W., Hackenburg, A., Halzen, F., Han, K., Hans, S., Harris, D., Heeger, K. M., Herman, M., Hill, R., Holin, A., Huber, P., Jaffe, D. E., Johnson, R. A., Joshi, J., Karagiorgi, G., Kaufman, L. J., Kayser, B., Kettell, S. H., Kirby, B. J., Klein, J. R., Kolomensky, Yu. G., Kriske, R. M., Lane, C. E., Langford, T. J., Lankford, A., Lau, K., Learned, J. G., Ling, J., Link, J. M., Lissauer, D., Littenberg, L., Littlejohn, B. R., Lockwitz, S., Lokajicek, M., Louis, W. C., Luk, K., Lykken, J., Marciano, W. J., Maricic, J., Markoff, D. M., Caicedo, D. A. Martinez, Mauger, C., Mavrokoridis, K., McCluskey, E., McKeen, D., McKeown, R., Mills, G., Mocioiu, I., Monreal, B., Mooney, M. R., Morfin, J. G., Mumm, P., Napolitano, J., Neilson, R., Nelson, J. K., Nessi, M., Norcini, D., Nova, F., Nygren, D. R., Gann, G. D. Orebi, Palamara, O., Parsa, Z., Patterson, R., Paul, P., Pocar, A., Qian, X., Raaf, J. L., Rameika, R., Ranucci, G., Ray, H., Reyna, D., Rich, G. C., Rodrigues, P., Romero, E. Romero, Rosero, R., Rountree, S. D., Rybolt, B., Sanchez, M. C., Santucci, G., Schmitz, D., Scholberg, K., Seckel, D., Shaevitz, M., Shrock, R., Smy, M. B., Soderberg, M., Sonzogni, A., Sousa, A. B., Spitz, J., John, J. M. St., Stewart, J., Strait, J. B., Sullivan, G., Svoboda, R., Szelc, A. M., Tayloe, R., Thomson, M. A., Toups, M., Vacheret, A., Vagins, M., Van de Water, R. G., Vogelaar, R. B., Weber, M., Weng, W., Wetstein, M., White, C., White, B. R., Whitehead, L., Whittington, D. W., Wilking, M. J., Wilson, R. J., Wilson, P., Winklehner, D., Winn, D. R., Worcester, E., Yang, L., Yeh, M., Yokley, Z. W., Yoo, J., Yu, B., Yu, J., and Zhang, C.

Abstract

The US neutrino community gathered at the Workshop on the Intermediate Neutrino Program (WINP) at Brookhaven National Laboratory February 4-6, 2015 to explore opportunities in neutrino physics over the next five to ten years. Scientists from particle, astroparticle and nuclear physics participated in the workshop. The workshop examined promising opportunities for neutrino physics in the intermediate term, including possible new small to mid-scale experiments, US contributions to large experiments, upgrades to existing experiments, R&D plans and theory. The workshop was organized into two sets of parallel working group sessions, divided by physics topics and technology. Physics working groups covered topics on Sterile Neutrinos, Neutrino Mixing, Neutrino Interactions, Neutrino Properties and Astrophysical Neutrinos. Technology sessions were organized into Theory, Short-Baseline Accelerator Neutrinos, Reactor Neutrinos, Detector R&D and Source, Cyclotron and Meson Decay at Rest sessions.This report summarizes discussion and conclusions from the workshop., Comment: pdfLaTeX, 31 pages, 1 figure, minor modification to 0nuBB discussion

Published
2015

6. Testing of High Voltage Surge Protection Devices for Use in Liquid Argon TPC Detectors

Author

Asaadi, J., Conrad, J. M., Gollapinni, S., Jones, B. J. P., Jostlein, H., John, J. M. St., Strauss, T., Wolbers, S., Zennamo, J., Asaadi, J., Conrad, J. M., Gollapinni, S., Jones, B. J. P., Jostlein, H., John, J. M. St., Strauss, T., Wolbers, S., and Zennamo, J.

Abstract

In this paper we demonstrate the capability of high voltage varistors and gas discharge tube arrestors for use as surge protection devices in liquid argon time projection chamber detectors. The insulating and clamping behavior of each type of device is characterized in air (room temperature), and liquid argon (90~K), and their robustness under high voltage and high energy surges in cryogenic conditions is verified. The protection of vulnerable components in liquid argon during a 150 kV high voltage discharge is also demonstrated. Each device is tested for argon contamination and light emission effects, and both are constrained to levels where no significant impact upon liquid argon time projection chamber functionality is expected. Both devices investigated are shown to be suitable for HV surge protection applications in cryogenic detectors., Comment: 22 pages, 18 figures v2: reduced file size for journal submission

Published
2014
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