Measurement of groomed event shape observables in deep-inelastic electron-proton scattering at HERA

Autor: 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., Polifka, R., Preins, S., 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., Schumann, S., Sefkow, F., Shushkevich, S., Soloviev, Y., Sopicki, P., South, D., Specka, A., Steder, M., Stella, B., Stöcker, L., 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.

Publikováno v: EPJC 84 (2024), 718

The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) at $\sqrt{s}=319$ GeV, using data recorded between the years 2003 and 2007 with an integrated luminosity

Externí odkaz: http://arxiv.org/abs/2403.10134

Observation and differential cross section measurement of neutral current DIS events with an empty hemisphere in the Breit frame

Autor: 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., Kluth, S., 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., Polifka, R., Preins, S., 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., Schumann, S., Sefkow, F., Shushkevich, S., Soloviev, Y., Sopicki, P., South, D., Specka, A., Steder, M., Stella, B., Stöcker, L., 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.

Publikováno v: EPJC 84 (2024), 720

The Breit frame provides a natural frame to analyze lepton-proton scattering events. In this reference frame, the parton model hard interactions between a quark and an exchanged boson defines the coordinate system such that the struck quark is back-s

Externí odkaz: http://arxiv.org/abs/2403.08982

Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions

Autor: H1, Collaborations, ZEUS, Abt, I., Aggarwal, R., Andreev, V., Arratia, M., Aushev, V., Baghdasaryan, A., Baty, A., Begzsuren, K., Behnke, O., Belousov, A., Bertolin, A., Bloch, I., Boudry, V., Brandt, G., Brock, I., Brook, N. H., Brugnera, R., Bruni, A., Buniatyan, A., Bussey, P. J., Bystritskaya, L., Caldwell, A., Campbell, A. J., Avila, K. B. Cantun, Catterall, C. D., Cerny, K., Chekelian, V., Chen, Z., Chwastowski, J., Ciborowski, J., Ciesielski, R., Contreras, J. G., Cooper-Sarkar, A. M., Corradi, M., Mendez, L. Cunqueiro, Currie, J., Cvach, J., Dainton, J. B., Daum, K., Dementiev, R. K., Deshpande, A., Diaconu, C., Dusini, S., Eckerlin, G., Egli, S., Elsen, E., Favart, L., Fedotov, A., Feltesse, J., Ferrando, J., Fleischer, M., Fomenko, A., Foster, B., Gal, C., Gallo, E., Gangadharan, D., Garfagnini, A., Gayler, J., Ridder, A. Gehrmann-De, Gehrmann, T., Geiser, A., Gladilin, L. K., Glover, E. W. N., Goerlich, L., Gogitidze, N., Golubkov, Yu. A., Gouzevitch, M., Grab, C., Greenshaw, T., Grindhammer, G., Grzelak, G., Gwenlan, C., Haidt, D., Henderson, R. C. W., Hladký, J., Hochman, D., Hoffmann, D., Horisberger, R., Hreus, T., Huber, F., Huss, A., Jacobs, P. M., Jacquet, M., Janssen, T., Jomhari, N. Z., Jung, A. W., Jung, H., Kadenko, I., Kapichine, M., Karshon, U., Katzy, J., Kaur, P., Kiesling, C., Klanner, R., Klein, M., Klein, U., Kleinwort, C., Klest, H. T., Kogler, R., Korzhavina, I. A., Kostka, P., Kovalchuk, N., Kretzschmar, J., Krücker, D., Krüger, K., Kuze, M., Landon, M. P. J., Lange, W., Laycock, P., Lee, S. H., Levchenko, B. B., Levonian, S., Levy, A., Li, W., Lin, J., Lipka, K., List, B., List, J., Lobodzinski, B., Löhr, B., Lohrmann, E., Long, O. R., Longhin, A., Lorkowski, F., Lukina, O. Yu., Makarenko, I., Malinovski, E., Malka, J., Martyn, H. -U., Masciocchi, S., Maxfield, S. J., Mehta, A., Meyer, A. B., Meyer, J., Mikocki, S., Mikuni, V. M., Mondal, M. M., Morgan, T., Morozov, A., Mueller, K., Nachman, B., Nagano, K., Nam, J. D., Naumann, Th., Newman, P. R., Niebuhr, C., Niehues, J., Nowak, G., Olsson, J. E., Onishchuk, Yu., Ozerov, D., Park, S., Pascaud, C., Patel, G. D., Paul, E., Perez, E., Petrukhin, A., Picuric, I., Pidhurskyi, I., Pires, J., Pitzl, D., Polifka, R., Polini, A., Preins, S., Przybycień, M., Quintero, A., Rabbertz, K., Radescu, V., Raicevic, N., Ravdandorj, T., Reimer, P., Rizvi, E., Robmann, P., Roosen, R., Rostovtsev, A., Rotaru, M., Ruspa, M., Sankey, D. P. C., Sauter, M., Sauvan, E., Schmitt, S., Schmookler, B. A., Schneekloth, U., Schoeffel, L., Schöning, A., Schörner-Sadenius, T., Sefkow, F., Selyuzhenkov, I., Shchedrolosiev, M., Shcheglova, L. M., Shushkevich, S., Skillicorn, I. O., Słomiński, W., Solano, A., Soloviev, Y., Sopicki, P., South, D., Spaskov, V., Specka, A., Stanco, L., Steder, M., Stefaniuk, N., Stella, B., Straumann, U., Sun, C., Surrow, B., Sutton, M. R., Sykora, T., Thompson, P. D., Tokushuku, K., Traynor, D., Tseepeldorj, B., Tu, Z., Turkot, O., Tymieniecka, T., Valkárová, A., Vallée, C., Van Mechelen, P., Verbytskyi, A., Abdullah, W. A. T. Wan, Wegener, D., Wichmann, K., Wing, M., Wünsch, E., Yamada, S., Yamazaki, Y., Žáček, J., Żarnecki, A. F., Zenaiev, O., Zhang, J., Zhang, Z., Žlebčík, R., Zohrabyan, H., Zomer, F.

The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA data on inclusive deep inelastic $ep$ scattering together with jet data

Externí odkaz: http://arxiv.org/abs/2112.01120

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Determination of the strong coupling constant $\alpha_s(M_Z)$ in next-to-next-to-leading order QCD using H1 jet cross section measurements

Autor: H1 collaboration, Andreev, V., Baghdasaryan, A., Begzsuren, K., Belousov, A., Bertone, V., Bolz, A., Boudry, V., Brandt, G., Brisson, V., Britzger, D., Buniatyan, A., Bylinkin, A., Bystritskaya, L., Campbell, A. J., Avila, K. B. Cantun, Cerny, K., Chekelian, V., Contreras, J. G., Cvach, J., Currie, J., Dainton, J. B., Daum, K., Diaconu, C., Dobre, M., Dodonov, V., Eckerlin, G., Egli, S., Elsen, E., Favart, L., Fedotov, A., Feltesse, J., Fleischer, M., Fomenko, A., Gabathuler, E., Gayler, J., Gehrmann, T., Ghazaryan, S., Goerlich, L., Gogitidze, N., Gouzevitch, M., Grab, C., Grebenyuk, A., Greenshaw, T., Grindhammer, G., Gwenlan, C., Haidt, D., Henderson, R. C. W., Hladky, J., Hoffmann, D., Horisberger, R., Hreus, T., Huber, F., Huss, A., Jacquet, M., Janssen, X., Jung, A. W., Jung, H., Kapichine, M., Katzy, J., Kiesling, C., Klein, M., Kleinwort, C., Kogler, R., Kostka, P., Kretzschmar, J., Krücker, D., Krüger, K., Landon, M. P. J., Lange, W., Laycock, P., Lebedev, A., Levonian, S., Lipka, K., List, B., List, J., Lobodzinski, B., Malinovski, E., Martyn, H. -U., Maxfield, S. J., Mehta, A., Meyer, A. B., Meyer, H., Meyer, J., Mikocki, S., Morozov, A., Müller, K., Naumann, Th., Newman, P. R., Niebuhr, C., Niehues, J., Nowak, G., Olsson, J. E., Ozerov, D., Pascaud, C., Patel, G. D., Perez, E., Petrukhin, A., Picuric, I., Pirumov, H., Pitzl, D., Plačakytė, R., Polifka, R., Rabbertz, K., Radescu, V., Raicevic, N., Ravdandorj, T., Reimer, P., Rizvi, E., Robmann, P., Roosen, R., Rostovtsev, A., Rotaru, M., Šálek, D., Sankey, D. P. C., Sauter, M., Sauvan, E., Schmitt, S., Schoeffel, L., Schöning, A., Sefkow, F., Shushkevich, S., Soloviev, Y., Sopicki, P., South, D., Spaskov, V., Specka, A., Steder, M., Stella, B., Straumann, U., Sutton, M. R., Sykora, T., Thompson, P. D., Traynor, D., Truöl, P., Tsakov, I., Tseepeldorj, B., Valkárová, A., Vallée, C., Van Mechelen, P., Vazdik, Y., Wegener, D., Wünsch, E., Žáček, J., Zhang, Z., Žlebčík, R., Zohrabyan, H., Zomer, F.

The strong coupling constant $\alpha_s(M_Z)$ is determined from inclusive jet and dijet cross sections in neutral-current deep-inelastic $ep$ scattering (DIS) measured at HERA by the H1 collaboration using next-to-next-to-leading order (NNLO) QCD pre

Externí odkaz: http://arxiv.org/abs/1709.07251