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Characterizing the energy resolution of the MicroBooNE LArTPC at the MeV scale using monoenergetic features of $^{208}$Tl decays

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Main Authors:	MicroBooNE collaboration, Abratenko, P., Aldana, D. Andrade, Asaadi, J., Ashkenazi, A., Balasubramanian, S., Baller, B., Barnard, A., Barr, G., Barrow, D., Barrow, J., Basque, V., Bateman, J., Behera, B., Rodrigues, O. Benevides, Berkman, S., Bhat, A., Bhattacharya, M., Bhelande, V., Binau, A., Bishai, M., Blake, A., Bogart, B., Bolton, T., Brunetti, M. B., Camilleri, L., Caratelli, D., Cavanna, F., Cerati, G., Chappell, A., Chen, Y., Conrad, J. M., Convery, M., Cooper-Troendle, L., Crespo-Anadon, J. I., Cross, R., Del Tutto, M., Dennis, S. R., Detje, P., Diurba, R., Djurcic, Z., Duffy, K., Dytman, S., Eberly, B., Englezos, P., Ereditato, A., Evans, J. J., Fang, C., Fleming, B. T., Foreman, W., Franco, D., Furmanski, A. P., Gao, F., Garcia-Gamez, D., Gardiner, S., Ge, G., Gollapinni, S., Gramellini, E., Green, P., Greenlee, H., Gu, L., Gu, W., Guenette, R., Hagaman, L., Handley, M. D., Hen, O., Hergenhan, A., Harrison, M., Hawkins, S., Hilgenberg, C., Horton-Smith, G. A., Hussain, A., Irwin, B., Ismail, M. S., James, C., Ji, X., Jo, J. H., Johnson, A., Johnson, R. A., Kalra, D., Karagiorgi, G., Ketchum, W., Kelly, A., Kirby, M., Kobilarcik, T., Kumar, K., Lane, N., Li, J. -Y., Li, Y., Lin, K., Littlejohn, B. R., Liu, L., Liu, S., Louis, W. C., Luo, X., Mahmud, T., Majeed, N., Mariani, C., Marshall, J., Caicedo, D. A. Martinez, Lopez, F. Martinez, Alves, M. G. Manuel, Martynenko, S., Mastbaum, A., Mawby, I., McConkey, N., McConnell, B., Mellet, L., Mendez, J., Micallef, J., Mohayai, T., Mogan, A., Mooney, M., Moor, A. F., Moore, C. D., Lepin, L. Mora, Morquecho, M. A. Hernandez, Moudgalya, M. M., Babu, S. Mulleria, Naples, D., Navrer-Agasson, A., Nayak, N., Nebot-Guinot, M., Nguyen, C., Nguyen, L., Nowak, J., Oza, N., Palamara, O., Pallat, N., Paolone, V., Papadopoulou, A., Papavassiliou, V., Parkinson, H., Pate, S. F., Patel, N., Pavlovic, Z., Piasetzky, E., Pletcher, K., Pophale, I., Qian, X., Raaf, J. L., Radeka, V., Rafique, A., Reggiani-Guzzo, M., Rondon, J. Rodriguez, Rosenberg, M., Ross-Lonergan, M., Safa, I., Sauer, C., Schmitz, D. W., Schukraft, A., Seligman, W., Shaevitz, M. H., Sharankova, R., Shi, J., Silva, L., Snider, E. L., Soldner-Rembold, S., Spitz, J., Stancari, M., John, J. St., Strauss, T., Szelc, A. M., Taniuchi, N., Terao, K., Thorpe, C., Torbunov, D., Totani, D., Toups, M., Trettin, A., Tsai, Y. -T., Tyler, J., Uchida, M. A., Usher, T., Viren, B., Wang, J., Wang, L., Weber, M., Wei, H., White, A. J., Wolbers, S., Wongjirad, T., Wresilo, K., Wu, W., Yandel, E., Yang, T., Yates, L. E., Yu, H. W., Zeller, G. P., Zennamo, J., Zhang, C., Zhang, Y.
Format:	Preprint
Published:	2026
Subjects:	Instrumentation and Detectors High Energy Physics - Experiment
Online Access:	Acceder al recurso
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author	MicroBooNE collaboration Abratenko, P. Aldana, D. Andrade Asaadi, J. Ashkenazi, A. Balasubramanian, S. Baller, B. Barnard, A. Barr, G. Barrow, D. Barrow, J. Basque, V. Bateman, J. Behera, B. Rodrigues, O. Benevides Berkman, S. Bhat, A. Bhattacharya, M. Bhelande, V. Binau, A. Bishai, M. Blake, A. Bogart, B. Bolton, T. Brunetti, M. B. Camilleri, L. Caratelli, D. Cavanna, F. Cerati, G. Chappell, A. Chen, Y. Conrad, J. M. Convery, M. Cooper-Troendle, L. Crespo-Anadon, J. I. Cross, R. Del Tutto, M. Dennis, S. R. Detje, P. Diurba, R. Djurcic, Z. Duffy, K. Dytman, S. Eberly, B. Englezos, P. Ereditato, A. Evans, J. J. Fang, C. Fleming, B. T. Foreman, W. Franco, D. Furmanski, A. P. Gao, F. Garcia-Gamez, D. Gardiner, S. Ge, G. Gollapinni, S. Gramellini, E. Green, P. Greenlee, H. Gu, L. Gu, W. Guenette, R. Hagaman, L. Handley, M. D. Hen, O. Hergenhan, A. Harrison, M. Hawkins, S. Hilgenberg, C. Horton-Smith, G. A. Hussain, A. Irwin, B. Ismail, M. S. James, C. Ji, X. Jo, J. H. Johnson, A. Johnson, R. A. Kalra, D. Karagiorgi, G. Ketchum, W. Kelly, A. Kirby, M. Kobilarcik, T. Kumar, K. Lane, N. Li, J. -Y. Li, Y. Lin, K. Littlejohn, B. R. Liu, L. Liu, S. Louis, W. C. Luo, X. Mahmud, T. Majeed, N. Mariani, C. Marshall, J. Caicedo, D. A. Martinez Lopez, F. Martinez Alves, M. G. Manuel Martynenko, S. Mastbaum, A. Mawby, I. McConkey, N. McConnell, B. Mellet, L. Mendez, J. Micallef, J. Mohayai, T. Mogan, A. Mooney, M. Moor, A. F. Moore, C. D. Lepin, L. Mora Morquecho, M. A. Hernandez Moudgalya, M. M. Babu, S. Mulleria Naples, D. Navrer-Agasson, A. Nayak, N. Nebot-Guinot, M. Nguyen, C. Nguyen, L. Nowak, J. Oza, N. Palamara, O. Pallat, N. Paolone, V. Papadopoulou, A. Papavassiliou, V. Parkinson, H. Pate, S. F. Patel, N. Pavlovic, Z. Piasetzky, E. Pletcher, K. Pophale, I. Qian, X. Raaf, J. L. Radeka, V. Rafique, A. Reggiani-Guzzo, M. Rondon, J. Rodriguez Rosenberg, M. Ross-Lonergan, M. Safa, I. Sauer, C. Schmitz, D. W. Schukraft, A. Seligman, W. Shaevitz, M. H. Sharankova, R. Shi, J. Silva, L. Snider, E. L. Soldner-Rembold, S. Spitz, J. Stancari, M. John, J. St. Strauss, T. Szelc, A. M. Taniuchi, N. Terao, K. Thorpe, C. Torbunov, D. Totani, D. Toups, M. Trettin, A. Tsai, Y. -T. Tyler, J. Uchida, M. A. Usher, T. Viren, B. Wang, J. Wang, L. Weber, M. Wei, H. White, A. J. Wolbers, S. Wongjirad, T. Wresilo, K. Wu, W. Yandel, E. Yang, T. Yates, L. E. Yu, H. W. Zeller, G. P. Zennamo, J. Zhang, C. Zhang, Y.
author_facet	MicroBooNE collaboration Abratenko, P. Aldana, D. Andrade Asaadi, J. Ashkenazi, A. Balasubramanian, S. Baller, B. Barnard, A. Barr, G. Barrow, D. Barrow, J. Basque, V. Bateman, J. Behera, B. Rodrigues, O. Benevides Berkman, S. Bhat, A. Bhattacharya, M. Bhelande, V. Binau, A. Bishai, M. Blake, A. Bogart, B. Bolton, T. Brunetti, M. B. Camilleri, L. Caratelli, D. Cavanna, F. Cerati, G. Chappell, A. Chen, Y. Conrad, J. M. Convery, M. Cooper-Troendle, L. Crespo-Anadon, J. I. Cross, R. Del Tutto, M. Dennis, S. R. Detje, P. Diurba, R. Djurcic, Z. Duffy, K. Dytman, S. Eberly, B. Englezos, P. Ereditato, A. Evans, J. J. Fang, C. Fleming, B. T. Foreman, W. Franco, D. Furmanski, A. P. Gao, F. Garcia-Gamez, D. Gardiner, S. Ge, G. Gollapinni, S. Gramellini, E. Green, P. Greenlee, H. Gu, L. Gu, W. Guenette, R. Hagaman, L. Handley, M. D. Hen, O. Hergenhan, A. Harrison, M. Hawkins, S. Hilgenberg, C. Horton-Smith, G. A. Hussain, A. Irwin, B. Ismail, M. S. James, C. Ji, X. Jo, J. H. Johnson, A. Johnson, R. A. Kalra, D. Karagiorgi, G. Ketchum, W. Kelly, A. Kirby, M. Kobilarcik, T. Kumar, K. Lane, N. Li, J. -Y. Li, Y. Lin, K. Littlejohn, B. R. Liu, L. Liu, S. Louis, W. C. Luo, X. Mahmud, T. Majeed, N. Mariani, C. Marshall, J. Caicedo, D. A. Martinez Lopez, F. Martinez Alves, M. G. Manuel Martynenko, S. Mastbaum, A. Mawby, I. McConkey, N. McConnell, B. Mellet, L. Mendez, J. Micallef, J. Mohayai, T. Mogan, A. Mooney, M. Moor, A. F. Moore, C. D. Lepin, L. Mora Morquecho, M. A. Hernandez Moudgalya, M. M. Babu, S. Mulleria Naples, D. Navrer-Agasson, A. Nayak, N. Nebot-Guinot, M. Nguyen, C. Nguyen, L. Nowak, J. Oza, N. Palamara, O. Pallat, N. Paolone, V. Papadopoulou, A. Papavassiliou, V. Parkinson, H. Pate, S. F. Patel, N. Pavlovic, Z. Piasetzky, E. Pletcher, K. Pophale, I. Qian, X. Raaf, J. L. Radeka, V. Rafique, A. Reggiani-Guzzo, M. Rondon, J. Rodriguez Rosenberg, M. Ross-Lonergan, M. Safa, I. Sauer, C. Schmitz, D. W. Schukraft, A. Seligman, W. Shaevitz, M. H. Sharankova, R. Shi, J. Silva, L. Snider, E. L. Soldner-Rembold, S. Spitz, J. Stancari, M. John, J. St. Strauss, T. Szelc, A. M. Taniuchi, N. Terao, K. Thorpe, C. Torbunov, D. Totani, D. Toups, M. Trettin, A. Tsai, Y. -T. Tyler, J. Uchida, M. A. Usher, T. Viren, B. Wang, J. Wang, L. Weber, M. Wei, H. White, A. J. Wolbers, S. Wongjirad, T. Wresilo, K. Wu, W. Yandel, E. Yang, T. Yates, L. E. Yu, H. W. Zeller, G. P. Zennamo, J. Zhang, C. Zhang, Y.
contents	A detailed understanding of the capabilities and fidelity of low-energy reconstruction is crucial for taking advantage of MeV-scale neutrino physics opportunities in liquid argon time projection chambers (LArTPCs). This study presents a measurement of the resolution of reconstructed energy in the MicroBooNE LArTPC at $\approx 1.5$ MeV. The characterization is performed using monoenergetic signals generated by $2.614$ MeV $γ$-rays from $^{208}$Tl decays undergoing pair production in the detector. The resolution is found to be ($7.52 \pm 0.78 \text{(stat)} \pm 0.92 \text{(syst)}$)%. This value is consistent with the MicroBooNE simulation prediction of ($9.70 \pm 0.65 \text{(stat)}$)% at the $1.6 σ$ level. This study represents the first ever measurement of LArTPC energy resolution at the MeV scale and provides a pathway for monoenergetic energy calibrations in future experiments using LArTPC detectors.
format	Preprint
id	arxiv_https___arxiv_org_abs_2605_30709
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Characterizing the energy resolution of the MicroBooNE LArTPC at the MeV scale using monoenergetic features of $^{208}$Tl decays MicroBooNE collaboration Abratenko, P. Aldana, D. Andrade Asaadi, J. Ashkenazi, A. Balasubramanian, S. Baller, B. Barnard, A. Barr, G. Barrow, D. Barrow, J. Basque, V. Bateman, J. Behera, B. Rodrigues, O. Benevides Berkman, S. Bhat, A. Bhattacharya, M. Bhelande, V. Binau, A. Bishai, M. Blake, A. Bogart, B. Bolton, T. Brunetti, M. B. Camilleri, L. Caratelli, D. Cavanna, F. Cerati, G. Chappell, A. Chen, Y. Conrad, J. M. Convery, M. Cooper-Troendle, L. Crespo-Anadon, J. I. Cross, R. Del Tutto, M. Dennis, S. R. Detje, P. Diurba, R. Djurcic, Z. Duffy, K. Dytman, S. Eberly, B. Englezos, P. Ereditato, A. Evans, J. J. Fang, C. Fleming, B. T. Foreman, W. Franco, D. Furmanski, A. P. Gao, F. Garcia-Gamez, D. Gardiner, S. Ge, G. Gollapinni, S. Gramellini, E. Green, P. Greenlee, H. Gu, L. Gu, W. Guenette, R. Hagaman, L. Handley, M. D. Hen, O. Hergenhan, A. Harrison, M. Hawkins, S. Hilgenberg, C. Horton-Smith, G. A. Hussain, A. Irwin, B. Ismail, M. S. James, C. Ji, X. Jo, J. H. Johnson, A. Johnson, R. A. Kalra, D. Karagiorgi, G. Ketchum, W. Kelly, A. Kirby, M. Kobilarcik, T. Kumar, K. Lane, N. Li, J. -Y. Li, Y. Lin, K. Littlejohn, B. R. Liu, L. Liu, S. Louis, W. C. Luo, X. Mahmud, T. Majeed, N. Mariani, C. Marshall, J. Caicedo, D. A. Martinez Lopez, F. Martinez Alves, M. G. Manuel Martynenko, S. Mastbaum, A. Mawby, I. McConkey, N. McConnell, B. Mellet, L. Mendez, J. Micallef, J. Mohayai, T. Mogan, A. Mooney, M. Moor, A. F. Moore, C. D. Lepin, L. Mora Morquecho, M. A. Hernandez Moudgalya, M. M. Babu, S. Mulleria Naples, D. Navrer-Agasson, A. Nayak, N. Nebot-Guinot, M. Nguyen, C. Nguyen, L. Nowak, J. Oza, N. Palamara, O. Pallat, N. Paolone, V. Papadopoulou, A. Papavassiliou, V. Parkinson, H. Pate, S. F. Patel, N. Pavlovic, Z. Piasetzky, E. Pletcher, K. Pophale, I. Qian, X. Raaf, J. L. Radeka, V. Rafique, A. Reggiani-Guzzo, M. Rondon, J. Rodriguez Rosenberg, M. Ross-Lonergan, M. Safa, I. Sauer, C. Schmitz, D. W. Schukraft, A. Seligman, W. Shaevitz, M. H. Sharankova, R. Shi, J. Silva, L. Snider, E. L. Soldner-Rembold, S. Spitz, J. Stancari, M. John, J. St. Strauss, T. Szelc, A. M. Taniuchi, N. Terao, K. Thorpe, C. Torbunov, D. Totani, D. Toups, M. Trettin, A. Tsai, Y. -T. Tyler, J. Uchida, M. A. Usher, T. Viren, B. Wang, J. Wang, L. Weber, M. Wei, H. White, A. J. Wolbers, S. Wongjirad, T. Wresilo, K. Wu, W. Yandel, E. Yang, T. Yates, L. E. Yu, H. W. Zeller, G. P. Zennamo, J. Zhang, C. Zhang, Y. Instrumentation and Detectors High Energy Physics - Experiment A detailed understanding of the capabilities and fidelity of low-energy reconstruction is crucial for taking advantage of MeV-scale neutrino physics opportunities in liquid argon time projection chambers (LArTPCs). This study presents a measurement of the resolution of reconstructed energy in the MicroBooNE LArTPC at $\approx 1.5$ MeV. The characterization is performed using monoenergetic signals generated by $2.614$ MeV $γ$-rays from $^{208}$Tl decays undergoing pair production in the detector. The resolution is found to be ($7.52 \pm 0.78 \text{(stat)} \pm 0.92 \text{(syst)}$)%. This value is consistent with the MicroBooNE simulation prediction of ($9.70 \pm 0.65 \text{(stat)}$)% at the $1.6 σ$ level. This study represents the first ever measurement of LArTPC energy resolution at the MeV scale and provides a pathway for monoenergetic energy calibrations in future experiments using LArTPC detectors.
title	Characterizing the energy resolution of the MicroBooNE LArTPC at the MeV scale using monoenergetic features of $^{208}$Tl decays
topic	Instrumentation and Detectors High Energy Physics - Experiment
url	https://arxiv.org/abs/2605.30709