Exclusive $\rho^0$ Meson Photoproduction with a Leading Neutron at HERA

التفاصيل البيبلوغرافية
العنوان: Exclusive $\rho^0$ Meson Photoproduction with a Leading Neutron at HERA
المؤلفون: H1 Collaboration, Andreev, Vladimir, Buniatyan, Armen, Reimer, Petr, Rizvi, Eram, Robmann, Peter, Roosen, Robert, Rostovtsev, Andrei, Rotaru, Marina, Rusakov, Serguei V., Salek, David, Sankey, David, Sauter, Michel, Bylinkin, Alexander, Sauvan, Emmanuel, Schmitt, Stefan, Schoeffel, Laurent, Schoening, Andre, Sefkow, Felix, Shushkevich, Stanislav, Soloviev, Yuri, Sopicki, Pawel, South, David, Spaskov, Vladimir, Bystritskaya, Lena, Specka, Arnd, Steder, Michael, Stella, Bruno, Straumann, Ulrich, Sykora, Tomas, Thompson, Paul, Traynor, Daniel, Truoel, Peter, Tsakov, Ivan, Tseepeldorj, Baatar, Campbell, Alan, Turnau, Jacek, Valkarova, Alice, Vallee, Claude, Van Mechelen, Pierre, Vazdik, Yakov, Wegener, Dietrich, Wuensch, Eberhard, Zacek, Jozef, Zhang, Zhiqing, Žlebcík, Radek, Cantun Avila, Karla Beatriz, Zohrabyan, Hamlet, Zomer, Fabian, Cerny, Karel, Chekelian, Vladimir, Contreras, J. Guillermo, Cvach, Jaroslav, Dainton, John, Baghdasaryan, Artem, Daum, Karin, Diaconu, Cristinel, Dobre, Monica, Dodonov, Vitaliy, Eckerlin, Guenter, Egli, Stephan, Elsen, Eckhard, Favart, Laurent, Fedotov, Alexandre, Feltesse, Joel, Begzsuren, Khurelbaatar, Ferencei, Jozef, Fleischer, Manfred, Fomenko, Alexander, Gabathuler, Erwin, Gayler, Joerg, Ghazaryan, Samvel, Goerlich, Lidia, Gogitidze, Nelly, Gouzevitch, Maxime, Grab, Christoph, Belousov, Anatoli S., Grebenyuk, Anastasia, Greenshaw, Timothy, Grindhammer, Guenter, Haidt, Dieter, Henderson, Robert, Hladky, Jan, Hoffmann, Dirk, Horisberger, Roland, Hreus, Tomas, Huber, Florian, Bolz, Arthur, Jacquet, Marie, Janssen, Xavier, Jung, Hannes, Kapichine, Mikhail, Kiesling, Christian, Klein, Max, Kleinwort, Claus, Kogler, Roman, Kostka, Peter, Kretzschmar, Jan, Boudry, Vincent, Krueger, Katja, Landon, Murrough, Lange, Wolfgang, Laycock, Paul, Lebedev, Andrei I., Levonian, Serguei V., Lipka, Katerina, List, Benno, List, Jenny, Lobodzinski, Bogdan, Brandt, Gerhard, Malinovski, Evgenij, Martyn, Hans-Ulrich, Maxfield, Steve, Mehta, Andrew, Meyer, Andreas, Meyer, Hinrich, Meyer, Joachim, Mikocki, Stanislav, Morozov, Anatoli, Mueller, Katharina, Brisson, Violette, Naumann, Thomas, Newman, Paul R., Niebuhr, Carsten, Nowak, Grazyna, Olsson, Jan-Erik, Ozerov, Dmitri, Pascaud, Christian, Patel, Girish, Perez, Emmanuelle, Petrukhin, Alexey, Britzger, Daniel, Picuric, Ivana, Pirumov, Hayk, Pitzl, Daniel, Placakyte, Ringaile, Pokorny, Boris, Polifka, Richard, Povh, Bogdan, Radescu, Voica, Raicevic, Natasa, Ravdandorj, Togoo
المساهمون: Centre de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H1, Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)
المصدر: European Physical Journal C: Particles and Fields
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.41. ⟨10.1140/epjc/s10052-015-3863-1⟩
The European physical journal / C 76, 41 (2015). doi:10.1140/epjc/s10052-015-3863-1
European Physical Journal C: Particles and Fields, 2016, 76, pp.41. ⟨10.1140/epjc/s10052-015-3863-1⟩
The European physical journal / C 76(1), 41 (2016). doi:10.1140/epjc/s10052-015-3863-1
بيانات النشر: HAL CCSD, 2016.
سنة النشر: 2016
مصطلحات موضوعية: High Energy Physics - Phenomenology, Nuclear Theory, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, High Energy Physics::Experiment, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment, High Energy Physics - Experiment
الوصف: A first measurement is presented of exclusive photoproduction of $\rho^0$ mesons associated with leading neutrons at HERA. The data were taken with the H1 detector in the years $2006$ and $2007$ at a centre-of-mass energy of $\sqrt{s}=319$ GeV and correspond to an integrated luminosity of $1.16$ pb$^{-1}$. The $\rho^0$ mesons with transverse momenta $p_T0.35$, are detected in the Forward Neutron Calorimeter. The phase space of the measurement is defined by the photon virtuality $Q^2 < 2$ GeV$^2$, the total energy of the photon-proton system $20 < W_{\gamma p} < 100$ GeV and the polar angle of the leading neutron $\theta_n < 0.75$ mrad. The cross section of the reaction $\gamma p \to \rho^0 n \pi^+$ is measured as a function of several variables. The data are interpreted in terms of a double peripheral process, involving pion exchange at the proton vertex followed by elastic photoproduction of a $\rho^0$ meson on the virtual pion. In the framework of one-pion-exchange dominance the elastic cross section of photon-pion scattering, $\sigma^{\rm el}(\gamma\pi^+ \to \rho^0\pi^+)$, is extracted. The value of this cross section indicates significant absorptive corrections for the exclusive reaction $\gamma p\to\rho^0 n \pi^+$.
Comment: 38 pages, 13 figures, 10 tables, this version accepted by EPJC
اللغة: English
تدمد: 1434-6044
1434-6052
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59329faf9f63e7158f5a9c9548350ddd
http://hal.in2p3.fr/in2p3-01193145
حقوق: OPEN
رقم الأكسشن: edsair.doi.dedup.....59329faf9f63e7158f5a9c9548350ddd
قاعدة البيانات: OpenAIRE