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Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA

Fuente: arXiv

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Détails bibliographiques
Auteurs principaux:	The H1 collaboration, Andreev, V., Arratia, M., Baghdasaryan, A., Baty, A., Begzsuren, K., Bolz, A., Boudry, V., Brandt, G., Britzger, D., Buniatyan, A., Bystritskaya, L., Campbell, A. J., Avila, K. B. Cantun, Cerny, K., Chekelian, V., Chen, Z., Contreras, J. G., Cvach, J., Dainton, J. B., Daum, K., Deshpande, A., Diaconu, C., Drees, A., Eckerlin, G., Egli, S., Elsen, E., Favart, L., Fedotov, A., Feltesse, J., Fleischer, M., Fomenko, A., Gal, C., Gayler, J., Goerlich, L., Gogitidze, N., Gouzevitch, M., Grab, C., Greenshaw, T., Grindhammer, G., Haidt, D., Henderson, R. C. W., Hessler, J., Hladký, J., Hoffmann, D., Horisberger, R., Hreus, T., Huber, F., Jacobs, P. M., Jacquet, M., Janssen, T., Jung, A. W., Katzy, J., Kiesling, C., Klein, M., Kleinwort, C., Klest, H. T., Kogler, R., Kostka, P., Kretzschmar, J., Krücker, D., Krüger, K., Landon, M. P. J., Lange, W., Laycock, P., Lee, S. H., Levonian, S., Li, W., Lin, J., Lipka, K., List, B., List, J., Lobodzinski, B., Long, O. R., Malinovski, E., Martyn, H. -U., Maxfield, S. J., Mehta, A., Meyer, A. B., Meyer, J., Mikocki, S., Mikuni, V. M., Mondal, M. M., Müller, K., Nachman, B., Naumann, Th., Newman, P. R., Niebuhr, C., Nowak, G., Olsson, J. E., Ozerov, D., Park, S., Pascaud, C., Patel, G. D., Perez, E., Petrukhin, A., Picuric, I., Pitzl, D., Radescu, V., Raicevic, N., Ravdandorj, T., Reichelt, D., Reimer, P., Rizvi, E., Robmann, P., Roosen, R., Rostovtsev, A., Rotaru, M., Sankey, D. P. C., Sauter, M., Sauvan, E., Schmitt, S., Schmookler, B. A., Schnell, G., Schoeffel, L., Schöning, A., Sefkow, F., Shushkevich, S., Soloviev, Y., Sopicki, P., South, D., Specka, A., Steder, M., Stella, B., Straumann, U., Sun, C., Sykora, T., Thompson, P. D., Acosta, F. Torales, Traynor, D., Tseepeldorj, B., Tu, Z., Tustin, G., Valkárová, A., Vallée, C., Van Mechelen, P., Wegener, D., Wünsch, E., Žáček, J., Zhang, J., Zhang, Z., Žlebčík, R., Zohrabyan, H., Zomer, F.
Format:	Preprint
Publié:	2024
Sujets:	High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment
Accès en ligne:	Acceder al recurso
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_version_	1866910758370017280
author	The H1 collaboration Andreev, V. Arratia, M. Baghdasaryan, A. Baty, A. Begzsuren, K. Bolz, A. Boudry, V. Brandt, G. Britzger, D. Buniatyan, A. Bystritskaya, L. Campbell, A. J. Avila, K. B. Cantun Cerny, K. Chekelian, V. Chen, Z. Contreras, J. G. Cvach, J. Dainton, J. B. Daum, K. Deshpande, A. Diaconu, C. Drees, A. Eckerlin, G. Egli, S. Elsen, E. Favart, L. Fedotov, A. Feltesse, J. Fleischer, M. Fomenko, A. Gal, C. Gayler, J. Goerlich, L. Gogitidze, N. Gouzevitch, M. Grab, C. Greenshaw, T. Grindhammer, G. Haidt, D. Henderson, R. C. W. Hessler, J. Hladký, J. Hoffmann, D. Horisberger, R. Hreus, T. Huber, F. Jacobs, P. M. Jacquet, M. Janssen, T. Jung, A. W. Katzy, J. Kiesling, C. Klein, M. Kleinwort, C. Klest, H. T. Kogler, R. Kostka, P. Kretzschmar, J. Krücker, D. Krüger, K. Landon, M. P. J. Lange, W. Laycock, P. Lee, S. H. Levonian, S. Li, W. Lin, J. Lipka, K. List, B. List, J. Lobodzinski, B. Long, O. R. Malinovski, E. Martyn, H. -U. Maxfield, S. J. Mehta, A. Meyer, A. B. Meyer, J. Mikocki, S. Mikuni, V. M. Mondal, M. M. Müller, K. Nachman, B. Naumann, Th. Newman, P. R. Niebuhr, C. Nowak, G. Olsson, J. E. Ozerov, D. Park, S. Pascaud, C. Patel, G. D. Perez, E. Petrukhin, A. Picuric, I. Pitzl, D. Radescu, V. Raicevic, N. Ravdandorj, T. Reichelt, D. Reimer, P. Rizvi, E. Robmann, P. Roosen, R. Rostovtsev, A. Rotaru, M. Sankey, D. P. C. Sauter, M. Sauvan, E. Schmitt, S. Schmookler, B. A. Schnell, G. Schoeffel, L. Schöning, A. Sefkow, F. Shushkevich, S. Soloviev, Y. Sopicki, P. South, D. Specka, A. Steder, M. Stella, B. Straumann, U. Sun, C. Sykora, T. Thompson, P. D. Acosta, F. Torales Traynor, D. Tseepeldorj, B. Tu, Z. Tustin, G. Valkárová, A. Vallée, C. Van Mechelen, P. Wegener, D. Wünsch, E. Žáček, J. Zhang, J. Zhang, Z. Žlebčík, R. Zohrabyan, H. Zomer, F.
author_facet	The H1 collaboration Andreev, V. Arratia, M. Baghdasaryan, A. Baty, A. Begzsuren, K. Bolz, A. Boudry, V. Brandt, G. Britzger, D. Buniatyan, A. Bystritskaya, L. Campbell, A. J. Avila, K. B. Cantun Cerny, K. Chekelian, V. Chen, Z. Contreras, J. G. Cvach, J. Dainton, J. B. Daum, K. Deshpande, A. Diaconu, C. Drees, A. Eckerlin, G. Egli, S. Elsen, E. Favart, L. Fedotov, A. Feltesse, J. Fleischer, M. Fomenko, A. Gal, C. Gayler, J. Goerlich, L. Gogitidze, N. Gouzevitch, M. Grab, C. Greenshaw, T. Grindhammer, G. Haidt, D. Henderson, R. C. W. Hessler, J. Hladký, J. Hoffmann, D. Horisberger, R. Hreus, T. Huber, F. Jacobs, P. M. Jacquet, M. Janssen, T. Jung, A. W. Katzy, J. Kiesling, C. Klein, M. Kleinwort, C. Klest, H. T. Kogler, R. Kostka, P. Kretzschmar, J. Krücker, D. Krüger, K. Landon, M. P. J. Lange, W. Laycock, P. Lee, S. H. Levonian, S. Li, W. Lin, J. Lipka, K. List, B. List, J. Lobodzinski, B. Long, O. R. Malinovski, E. Martyn, H. -U. Maxfield, S. J. Mehta, A. Meyer, A. B. Meyer, J. Mikocki, S. Mikuni, V. M. Mondal, M. M. Müller, K. Nachman, B. Naumann, Th. Newman, P. R. Niebuhr, C. Nowak, G. Olsson, J. E. Ozerov, D. Park, S. Pascaud, C. Patel, G. D. Perez, E. Petrukhin, A. Picuric, I. Pitzl, D. Radescu, V. Raicevic, N. Ravdandorj, T. Reichelt, D. Reimer, P. Rizvi, E. Robmann, P. Roosen, R. Rostovtsev, A. Rotaru, M. Sankey, D. P. C. Sauter, M. Sauvan, E. Schmitt, S. Schmookler, B. A. Schnell, G. Schoeffel, L. Schöning, A. Sefkow, F. Shushkevich, S. Soloviev, Y. Sopicki, P. South, D. Specka, A. Steder, M. Stella, B. Straumann, U. Sun, C. Sykora, T. Thompson, P. D. Acosta, F. Torales Traynor, D. Tseepeldorj, B. Tu, Z. Tustin, G. Valkárová, A. Vallée, C. Van Mechelen, P. Wegener, D. Wünsch, E. Žáček, J. Zhang, J. Zhang, Z. Žlebčík, R. Zohrabyan, H. Zomer, F.
contents	In deep-inelastic positron-proton scattering, the lepton-jet azimuthal angular asymmetry is measured using data collected with the H1 detector at HERA. When the average transverse momentum of the lepton-jet system, $\lvert \vec{P}_\perp \rvert $, is much larger than the total transverse momentum of the system, $\lvert \vec{q}_\perp \rvert$, the asymmetry between parallel and antiparallel configurations, $\vec{P}_\perp$ and $\vec{q}_\perp$, is expected to be generated by initial and final state soft gluon radiation and can be predicted using perturbation theory. Quantifying the angular properties of the asymmetry therefore provides an additional test of the strong force. Studying the asymmetry is important for future measurements of intrinsic asymmetries generated by the proton's constituents through Transverse Momentum Dependent (TMD) Parton Distribution Functions (PDFs), where this asymmetry constitutes a dominant background. Moments of the azimuthal asymmetries are measured using a machine learning method for unfolding that does not require binning.
format	Preprint
id	arxiv_https___arxiv_org_abs_2412_14092
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA The H1 collaboration Andreev, V. Arratia, M. Baghdasaryan, A. Baty, A. Begzsuren, K. Bolz, A. Boudry, V. Brandt, G. Britzger, D. Buniatyan, A. Bystritskaya, L. Campbell, A. J. Avila, K. B. Cantun Cerny, K. Chekelian, V. Chen, Z. Contreras, J. G. Cvach, J. Dainton, J. B. Daum, K. Deshpande, A. Diaconu, C. Drees, A. Eckerlin, G. Egli, S. Elsen, E. Favart, L. Fedotov, A. Feltesse, J. Fleischer, M. Fomenko, A. Gal, C. Gayler, J. Goerlich, L. Gogitidze, N. Gouzevitch, M. Grab, C. Greenshaw, T. Grindhammer, G. Haidt, D. Henderson, R. C. W. Hessler, J. Hladký, J. Hoffmann, D. Horisberger, R. Hreus, T. Huber, F. Jacobs, P. M. Jacquet, M. Janssen, T. Jung, A. W. Katzy, J. Kiesling, C. Klein, M. Kleinwort, C. Klest, H. T. Kogler, R. Kostka, P. Kretzschmar, J. Krücker, D. Krüger, K. Landon, M. P. J. Lange, W. Laycock, P. Lee, S. H. Levonian, S. Li, W. Lin, J. Lipka, K. List, B. List, J. Lobodzinski, B. Long, O. R. Malinovski, E. Martyn, H. -U. Maxfield, S. J. Mehta, A. Meyer, A. B. Meyer, J. Mikocki, S. Mikuni, V. M. Mondal, M. M. Müller, K. Nachman, B. Naumann, Th. Newman, P. R. Niebuhr, C. Nowak, G. Olsson, J. E. Ozerov, D. Park, S. Pascaud, C. Patel, G. D. Perez, E. Petrukhin, A. Picuric, I. Pitzl, D. Radescu, V. Raicevic, N. Ravdandorj, T. Reichelt, D. Reimer, P. Rizvi, E. Robmann, P. Roosen, R. Rostovtsev, A. Rotaru, M. Sankey, D. P. C. Sauter, M. Sauvan, E. Schmitt, S. Schmookler, B. A. Schnell, G. Schoeffel, L. Schöning, A. Sefkow, F. Shushkevich, S. Soloviev, Y. Sopicki, P. South, D. Specka, A. Steder, M. Stella, B. Straumann, U. Sun, C. Sykora, T. Thompson, P. D. Acosta, F. Torales Traynor, D. Tseepeldorj, B. Tu, Z. Tustin, G. Valkárová, A. Vallée, C. Van Mechelen, P. Wegener, D. Wünsch, E. Žáček, J. Zhang, J. Zhang, Z. Žlebčík, R. Zohrabyan, H. Zomer, F. High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment In deep-inelastic positron-proton scattering, the lepton-jet azimuthal angular asymmetry is measured using data collected with the H1 detector at HERA. When the average transverse momentum of the lepton-jet system, $\lvert \vec{P}_\perp \rvert $, is much larger than the total transverse momentum of the system, $\lvert \vec{q}_\perp \rvert$, the asymmetry between parallel and antiparallel configurations, $\vec{P}_\perp$ and $\vec{q}_\perp$, is expected to be generated by initial and final state soft gluon radiation and can be predicted using perturbation theory. Quantifying the angular properties of the asymmetry therefore provides an additional test of the strong force. Studying the asymmetry is important for future measurements of intrinsic asymmetries generated by the proton's constituents through Transverse Momentum Dependent (TMD) Parton Distribution Functions (PDFs), where this asymmetry constitutes a dominant background. Moments of the azimuthal asymmetries are measured using a machine learning method for unfolding that does not require binning.
title	Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA
topic	High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment
url	https://arxiv.org/abs/2412.14092