Accès ouvert déclaré 2011 article

Cross section and double helicity asymmetry for η mesons and their comparison to π0 production in p+p collisions at s=200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, K. Aoki, L. Aphecetche, R. Arméndariz, S. H. Aronson, J. Asai, E. T. Atomssa, R. Averbeck, T. C. Awes, B. Azmoun, V. Babintsev, M. Bai, G. Baksay, L. Baksay, A. Baldisseri, K. N. Barish, P. D. Barnes, B. Bassalleck, A. Basye, S. Bathe, S. Batsouli, V. Baublis, C. Baumann, A. Bazilevsky, S. Belikov, R. Bennett, A. Berdnikov, Y. Berdnikov, A. A. Bickley, J. G. Boissevain, H. Borel, K. Boyle, M. L. Brooks, H. Buesching, V. Bumazhnov, G. Bunce, S. Butsyk, C. Muñoz Camacho, S. Campbell, B. S. Chang, W. C. Chang, J. L. Charvet, S. Chernichenko, J. Chiba, C. Y., M. Chiu, I. J. Choi, R. K. Choudhury, T. Chujo, P. Chung, A. Churyn, V. Cianciolo, Z. H. Citron, C. R. Cleven, B. Cole, M. P. Comets, P. Constantin, M. Csanád, T. Csörgő, T. Dahms, S. Dairaku, K. Das, G. David, M. B. Deaton, K. Dehmelt, H. Delagrange, A. Denisov, D. d’Enterria, A. Deshpande, E. J. Desmond, O. Dietzsch, A. Dion, M. Donadelli, O. Drapier, A. Drees, K. A. Drees, A. K. Dubey, A. Durum, Dipanwita Dutta, V. Dzhordzhadze, Y. V. Efremenko, J. Egdemir, F. Ellinghaus, W. S. Emam, T. Engelmore, A. Enokizono, H. En’yo, S. Esumi, O. Eyser, B. Fadem, D. E. Fields, М. Фингер, F. Fleuret, S. Fokin, Z. Fraenkel, J. E. Frantz, A. Franz, A. D. Frawley, K. Fujiwara, Y. Fukao, T. Fusayasu, S. Gadrat, I. Garishvili, A. Glenn, H. Gong, M. Gonin, J. Gösset, Y. Goto, R. Granier de Cassagnac, N. Grau, S. V. Greene, M. Große Perdekamp, T. Gunji, H.-Å. Gustafsson, T. Hachiya, A. Hadj Henni, C. Haegemann, J. S. Haggerty, H. Hamagaki, R. Han, H. Harada, E. P. Hartouni, K. Haruna, E. Haslum, R. Hayano, M. Heffner, T. K. Hemmick, T. Hester, X. He, H. Hiejima, J. C. Hill, Robert F. Hobbs, M. Hohlmann, W. Holzmann, K. Homma, B. Hong, T. Horaguchi, D. Hornback, S. Huang, T. Ichihara, R. Ichimiya, H. Iinuma, Yoichi Ikeda, K. Imai, J. Imrek, M. Inaba, Yasuyuki Inoue, D. Isenhower, L. Isenhower, M. Ishihara, T. Isobe, M. Issah, A. Isupov, D. Ivanischev, B. V. Jacak, J. Jia, J. Jin, O. Jinnouchi, B. M. Johnson, K. Joo, D. Jouan, F. Kajihara, S. Kametani, N. Kamihara, J. Kamin, M. Kaneta, J. H. Kang, Hideaki Kano, J. Kapustinsky, D. Kawall, Andrey Kazantsev, T. Kempel, A. Khanzadeev, K. M. Kijima, J. Kikuchi, B. I. Kim, D. H. Kim, D. J. Kim, E. J. Kim, S. H. Kim, E. Kinney, K. Kiriluk, Á. Kiss, E. Kistenev, A. Kiyomichi, J. Klay, L. Kochenda, V. Kochetkov, B. Komkov, M. Konno, J. Koster, D. Kotchetkov, A. Kozlov, A. Král, A. Kravitz, J. Kubart, G. J. Kunde, N. Kurihara, K. Kurita, M. Kurosawa, M. J. Kweon, Youngshin Kwon, G. S. Kyle, R. Lacey, Y. S. Lai, J. G. Lajoie, Donald H. Layton, A. Lebedev, D. M. Lee, K. B. Lee, M. K. Lee, T. Lee, M. J. Leitch, M. A. L. Leite, B. Lenzi, P. Liebing, T. Liška, A. Litvinenko, M. X. Liu, X. Li, B. Love, D. Lynch, C. F. Maguire, Y. I. Makdisi, A. Malakhov, M. D. Malik, V. I. Manko, E. Mannel, Y. J. Mao, L. Mašek, H. Masui, F. Matathias, M. McCumber, P. L. McGaughey, N. Means, B. Meredith, Y. Miake, P. Mikeš, K. Miki, T. E. Miller, A. Milov, S. Mioduszewski, M. Mishra, J. T. Mitchell, M. Mitrovski, A. K. Mohanty, Y. Morino, A. Morreale, D. P. Morrison, T. V. Moukhanova, D. Mukhopadhyay, J. Murata, S. Nagamiya, Y. Nagata, J. L. Nagle, M. Naglis, M. I. Nagy, I. Nakagawa, Y. Nakamiya, T. Nakamura, K. Nakano, J. Newby, M. Nguyen, T. Niita, B. Norman, R. Nouicer, A. S. Nyanin, E. O’Brien, S. Oda, C. A. Ogilvie, H. Ohnìshì, K. Okada, Makoto Oka, O. O. Omiwade, Yohei Onuki, A. Oskarsson, M. Ouchida, K. Ozawa, R. Pak, D. Pal, A. P. T. Palounek, V. Pantuev, V. Papavassiliou, J. Park, W. J. Park, S. F. Pate, H. Pei, J.-C. Peng, H. Pereira, V. Peresedov, D. Yu. Peressounko, C. Pinkenburg, M. L. Purschke, A. K. Purwar, H. Qu, J. Rak, A. Rakotozafindrabe, I. Ravinovich, K. F. Read, S. Rembeczki, M. Reuter, K. Reygers, V. Riabov, Y. Riabov, D. Roach, G. Roche, S. D. Rolnick, A. Romana, M. Rosati, S. S. E. Rosendahl, P. Rosnet, P. A. Rukoyatkin, P. Ružička, V. L. Rykov, B. Sahlmueller, N. Saito, T. Sakaguchi, S. Sakai, K. Sakashita, H. Sakata, V. Samsonov, S. Sato, T. Sato, S. Sawada, K. Sedgwick, J. Seele, R. Seidl, A. Semenov, V. Semenov, R. Seto, D. Sharma, I. Shein, A. Shevel, T.-A. Shibata, K. Shigaki, M. Shimomura, K. Shoji, P. Shukla, A. Sickles, C. L. Silva, D. Silvermyr, C. Silvestre, K. S. Sim, B. K. Singh, C. P. Singh, V. Singh, S. Skutnik, M. Slunečka, A. Soldatov, R. A. Soltz, W. E. Sondheim, S. P. Sørensen, I. V. Sourikova, F. Staley, P. W. Stankus, E. Stenlund, M. Stepanov, A. Ster, S. P. Stoll, T. Sugitate, C. Suire, A. Sukhanov, J. Sziklai, T. Tabaru, S. Takagi, E. M. Takagui, A. Taketani, R. Tanabe, Y. Tanaka, S. Taneja, K. Tanida, M. J. Tannenbaum, A. Taranenko, P. Tarján, H. Themann, T. L. Thomas, M. Togawa, A. Toia, J. Tojo, L. Tomášek, Yasuhiro Tomita, H. Torii, R. S. Towell, V-N. Tram, I. Tserruya, Y. Tsuchimoto, C. Vale, H. Valle, H. W. van Hecke, A. Veicht, J. Velkovska, R. Vértesi, А. Виноградов, M. Virius, V. Vrba, E. Vznuzdaev, Μ. Wagner, D. Walker, X. R. Wang, Y. Watanabe, F. Wei, J. Wessels, S. N. White, D. Winter, C. L. Woody, M. Wysocki, W. Xie, Y. Yamaguchi, K. Yamaura, R. Yang, A. Yanovich, Z. Yasin, J. Ying, S. Yokkaichi, G. R. Young, I. Younus, I. E. Yushmanov, W. A. Zajc, O. Zaudtke, C. Zhang, S. Zhou, J. Zimànýi, L. Zolin

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69Institutions déclarées

14Pays d’affiliation déclarés

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Le résumé fourni par la source

Measurements of double-helicity asymmetries in inclusive hadron production in polarized $p+p$ collisions are sensitive to helicity-dependent parton distribution functions, in particular, to the gluon helicity distribution, $\ensuremath{\Delta}g$. This study focuses on the extraction of the double-helicity asymmetry in $\ensuremath{\eta}$ production ($\stackrel{\ensuremath{\rightarrow}}{p}+\stackrel{\ensuremath{\rightarrow}}{p}\ensuremath{\rightarrow}\ensuremath{\eta}+X$), the $\ensuremath{\eta}$ cross section, and the $\ensuremath{\eta}/{\ensuremath{\pi}}^{0}$ cross section ratio. The cross section and ratio measurements provide essential input for the extraction of fragmentation functions that are needed to access the helicity-dependent parton distribution functions.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref: Cross section and double helicity asymmetry for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>η</mml:mi></mml:math>mesons and their comparison to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math>production in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo>+</mml:mo><mml:mi>p</mml:mi></mml:math>collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:math>
Date Crossref: 01/02/2011
Éditeur: American Physical Society (APS)
Type: journal-article

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Les institutions déclarées

University of Colorado Boulder Joint Institute for Nuclear Research University of Massachusetts Amherst Columbia University Stony Brook University Brookhaven National Laboratory RIKEN BNL Research Center RIKEN Nishina Center New Mexico State University Kyoto University Centre National de la Recherche Scientifique Laboratoire de Physique Subatomique et des Technologies Associées Nantes Université École Polytechnique Laboratoire Leprince-Ringuet Oak Ridge National Laboratory Institute for High Energy Physics Florida Institute of Technology Commissariat à l'Énergie Atomique et aux Énergies Alternatives Direction des Energies CEA Paris-Saclay University of California, Riverside Los Alamos National Laboratory University of New Mexico Abilene Christian University Petersburg Nuclear Physics Institute University of Münster Peter the Great St. Petersburg Polytechnic University Yonsei University Institute of Physics, Academia Sinica High Energy Accelerator Research Organization University of Illinois Urbana-Champaign Bhabha Atomic Research Centre University of Tsukuba Vanderbilt University Georgia State University Université Paris-Sud Institut National de Physique Nucléaire et de Physique des Particules Eötvös Loránd University Institute for Particle and Nuclear Physics Hungarian Academy of Sciences Florida State University Universidade de São Paulo Weizmann Institute of Science Lawrence Livermore National Laboratory Muhlenberg College Charles University Kurchatov Institute Nagasaki Institute of Applied Science Université Clermont Auvergne University of Tennessee at Knoxville Iowa State University Tokyo University of Science The University of Tokyo Lund University Hiroshima University Peking University Korea University Tokyo Institute of Technology University of Debrecen Rikkyo University Myongji University Waseda University Seoul National University Czech Technical University in Prague Czech Academy of Sciences FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic China Institute of Atomic Energy Banaras Hindu University

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle Interactions

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