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Measurement of neutral mesons in $$p$$ + $$p$$ collisions at $$sqrt{s}$$ = 200 GeV and scaling properties of hadron production

重心エネルギー200GeVの陽子陽子衝突での中性中間子の測定とハドロン生成のスケーリング

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Y.*; Al-Bataineh, H.*; Alexander, J.*; Aoki, K.*; Aphecetche, L.*; Armendariz, R.*; Aronson, S. H.*; Asai, J.*; Atomssa, E. T.*; Averbeck, R.*; Awes, T. C.*; Azmoun, B.*; Babintsev, V.*; Bai, M.*; Baksay, G.*; Baksay, L.*; Baldisseri, A.*; Barish, K. N.*; Barnes, P. D.*; Bassalleck, B.*; Basye, A. T.*; Bathe, S.*; Batsouli, S.*; Baublis, V.*; Baumann, C.*; Bazilevsky, A.*; Belikov, S.*; Bennett, R.*; Berdnikov, A.*; Berdnikov, Y.*; Bickley, A. A.*; Boissevain, J. G.*; Borel, H.*; Boyle, K.*; Brooks, M. L.*; Buesching, H.*; Bumazhnov, V.*; Bunce, G.*; Butsyk, S.*; Camacho, C. M.*; Campbell, S.*; Chang, B. S.*; Chang, W. C.*; Charvet, J.-L.*; Chernichenko, S.*; Chiba, J.*; Chi, C. Y.*; Chiu, M.*; Choi, I. J.*; Choudhury, R. K.*; Chujo, T.*; Chung, P.*; Churyn, A.*; Cianciolo, V.*; Citron, Z.*; Cleven, C. R.*; Cole, B. A.*; Comets, M. P.*; Constantin, P.*; Csan$'a$d, M.*; Cs$"o$rg$H{o}$, T.*; Dahms, T.*; Dairaku, S.*; Das, K.*; David, G.*; Deaton, M. B.*; Dehmelt, K.*; Delagrange, H.*; Denisov, A.*; d'Enterria, D.*; Deshpande, A.*; Desmond, E. J.*; Dietzsch, O.*; Dion, A.*; Donadelli, M.*; Drapier, O.*; Drees, A.*; Drees, K. A.*; Dubey, A. K.*; Durum, A.*; Dutta, D.*; Dzhordzhadze, V.*; Efremenko, Y. V.*; Egdemir, J.*; Ellinghaus, F.*; Emam, W. S.*; Engelmore, T.*; Enokizono, A.*; En'yo, H.*; Esumi, S.*; Eyser, K. O.*; Fadem, B.*; Fields, D. E.*; Finger, M. Jr.*; Finger, M.*; Fleuret, F.*; Fokin, S. L.*; Fraenkel, Z.*; Frantz, J. E.*; Franz, A.*; Frawley, A. D.*; Fujiwara, K.*; Fukao, Y.*; Fusayasu, T.*; Gadrat, S.*; Garishvili, I.*; Glenn, A.*; Gong, H.*; Gonin, M.*; Gosset, J.*; Goto, Y.*; Granier de Cassagnac, R.*; Grau, N.*; Greene, S. V.*; Grosse Perdekamp, M.*; Gunji, T.*; Gustafsson, H.-${AA}$.*; Hachiya, T.*; Hadj Henni, A.*; Haegemann, C.*; Haggerty, J. S.*; 濱垣 秀樹*; Han, R.*; Harada, H.*; Hartouni, E. P.*; Haruna, K.*; Haslum, E.*; Hayano, R.*; Heffner, M.*; Hemmick, T. K.*; Hester, T.*; He, X.*; Hiejima, H.*; Hill, J. C.*; Hobbs, R.*; Hohlmann, M.*; Holzmann, W.*; Homma, K.*; Hong, B.*; 洞口 拓磨*; Hornback, D.*; Huang, S.*; Ichihara, T.*; Ichimiya, R.*; Iinuma, H.*; Ikeda, Y.*; 今井 憲一; Imrek, J.*; Inaba, M.*; Inoue, Y.*; Isenhower, D.*; Isenhower, L.*; 石原 正泰*; Isobe, T.*; Issah, M.*; Isupov, A.*; Ivanischev, D.*; Jacak, B. V.*; Jia, J.*; Jin, J.*; Jinnouchi, O.*; Johnson, B. M.*; Joo, K. S.*; Jouan, D.*; Kajihara, F.*; Kametani, S.*; 神原 信幸*; Kamin, J.*; Kaneta, M.*; Kang, J. H.*; Kano, H.*; Kapustinsky, J.*; Kawall, D.*; Kazantsev, A. V.*; Kempel, T.*; Khanzadeev, A.*; Kijima, K. M.*; 菊地 順*; Kim, B. I.*; Kim, D. H.*; Kim, D. J.*; Kim, E.*; Kim, S. H.*; Kinney, E.*; Kiriluk, K.*; Kiss, $'A$.*; Kistenev, E.*; Kiyomichi, A.*; Klay, J.*; Klein-Boesing, C.*; Kochenda, L.*; Kochetkov, V.*; Komkov, B.*; Konno, M.*; Koster, J.*; Kotchetkov, D.*; Kozlov, A.*; Kr$'a$l, A.*; Kravitz, A.*; Kubart, J.*; Kunde, G. J.*; Kurihara, N.*; Kurita, K.*; Kurosawa, M.*; Kweon, M. J.*; Kwon, Y.*; Kyle, G. S.*; Lacey, R.*; Lai, Y. S.*; Lajoie, J. G.*; Layton, D.*; Lebedev, A.*; Lee, D. M.*; Lee, K. B.*; Lee, M. K.*; Lee, T.*; Leitch, M. J.*; Leite, M. A. L.*; Lenzi, B.*; Liebing, P.*; Li$v{s}$ka, T.*; Litvinenko, A.*; Liu, H.*; Liu, M. X.*; Li, X.*; Love, B.*; Lynch, D.*; Maguire, C. F.*; Makdisi, Y. I.*; Malakhov, A.*; Malik, M. D.*; Manko, V. I.*; Mannel, E.*; Mao, Y.*; Ma$v{s}$ek, L.*; Masui, H.*; Matathias, F.*; McCumber, M.*; McGaughey, P. L.*; Means, N.*; Meredith, B.*; Miake, Y.*; Mike$v{s}$, P.*; Miki, K.*; Miller, T. E.*; Milov, A.*; Mioduszewski, S.*; Mishra, M.*; Mitchell, J. T.*; Mitrovski, M.*; Mohanty, A. K.*; Morino, Y.*; Morreale, A.*; Morrison, D. P.*; Moukhanova, T. V.*; Mukhopadhyay, D.*; Murata, J.*; Nagamiya, S.*; Nagata, Y.*; Nagle, J. L.*; Naglis, M.*; Nagy, M. I.*; Nakagawa, I.*; Nakamiya, Y.*; Nakamura, T.*; Nakano, K.*; Newby, J.*; Nguyen, M.*; Niita, T.*; Norman, B. E.*; Nouicer, R.*; Nyanin, A. S.*; O'Brien, E.*; Oda, S. X.*; Ogilvie, C. A.*; Onishi, H.*; Okada, K.*; Oka, M.*; Omiwade, O. O.*; Onuki, Y.*; Oskarsson, A.*; Ouchida, M.*; Ozawa, K.*; Pak, R.*; Pal, D.*; Palounek, A. P. T.*; Pantuev, V.*; Papavassiliou, V.*; Park, J.*; Park, W. J.*; Pate, S. F.*; Pei, H.*; Peng, J.-C.*; Pereira, H.*; Peresedov, V.*; Peressounko, D. Yu.*; Pinkenburg, C.*; Purschke, M. L.*; Purwar, A. K.*; Qu, H.*; Rak, J.*; Rakotozafindrabe, A.*; Ravinovich, I.*; Read, K. F.*; Rembeczki, S.*; Reuter, M.*; Reygers, K.*; Riabov, V.*; Roach, D.*; Roche, G.*; Rolnick, S. D.*; Romana, A.*; Rosati, M.*; Rosendahl, S. S. E.*; Rosnet, P.*; Rukoyatkin, P.*; Ru$v{z}$i$v{c}$ka, P.*; Rykov, V. L.*; Sahlmueller, B.*; Saito, N.*; Sakaguchi, T.*; Sakai, S.*; Sakashita, K.*; Sakata, H.*; Samsonov, V.*; 佐藤 進; Sato, T.*; Sawada, S.*; Sedgwick, K.*; Seele, J.*; Seidl, R.*; Semenov, A. Yu.*; Semenov, V.*; Seto, R.*; Sharma, D.*; Shein, I.*; Shevel, A.*; Shibata, T.-A.*; Shigaki, K.*; Shimomura, M.*; Shoji, K.*; Shukla, P.*; Sickles, A.*; Silva, C. L.*; Silvermyr, D.*; Silvestre, C.*; Sim, K. S.*; Singh, B. K.*; Singh, C. P.*; Singh, V.*; Skutnik, S.*; Slune$v{c}$ka, M.*; Soldatov, A.*; Soltz, R. A.*; Sondheim, W. E.*; Sorensen, S. P.*; Sourikova, I. V.*; Staley, F.*; Stankus, P. W.*; Stenlund, E.*; Stepanov, M.*; Ster, A.*; Stoll, S. P.*; Sugitate, T.*; Suire, C.*; Sukhanov, A.*; Sziklai, J.*; Tabaru, T.*; Takagi, S.*; Takagui, E. M.*; 竹谷 篤*; Tanabe, R.*; Tanaka, Y.*; 谷田 聖; Tannenbaum, M. J.*; Taranenko, A.*; Tarj$'a$n, P.*; Themann, H.*; Thomas, T. L.*; Togawa, M.*; Toia, A.*; Tojo, J.*; Tom$'a$$v{s}$ek. L.*; Tomita, Y.*; Torii, H.*; Towell, R. S.*; Tram, V.-N.*; Tserruya, I.*; Tsuchimoto, Y.*; Vale, C.*; Valle, H.*; Van Hecke, H. W.*; Veicht, A.*; Velkovska, J.*; V$'e$rtesi, R.*; Vinogradov, A. A.*; Virius, M.*; Vrba, V.*; Vznuzdaev, E.*; Wagner, M.*; Walker, D.*; Wang, X. R.*; Watanabe, Y.*; Wei, F.*; Wessels, J.*; White, S. N.*; Winter, D.*; Woody, C. L.*; Wysocki, M.*; Xie, W.*; Yamaguchi, Y, L.*; Yamaura, K.*; Yang, R.*; Yanovich, A.*; Yasin, Z.*; Ying, J.*; 四日市 悟*; Young, G. R.*; Younus, I.*; Yushmanov, I. E.*; Zajc, W. A.*; Zaudtke, O.*; Zhang, C.*; Zhou, S.*; Zim$'a$nyi, J.*; Zolin, L.*

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

RHIC-PHENIX実験で重心エネルギー200GeVの陽子陽子衝突からの$$K^0_s$$, $$omega$$, $$eta'$$$$phi$$中間子生成の微分断面積を測定した。これらハドロンの横運動量分布のスペクトルの形はたった二つのパラメーター、$$n, T$$、のTsallis分布関数でよく記述できる。これらのパラメーターはそれぞれ高い横運動量と低い横運動量の領域のスペクトルを決めている。これらの分布をフィットして得られた積分された不変断面積はこれまで測定されたデータ及び統計モデルの予言と一致している。

The PHENIX experiment at RHIC has measured the invariant differential cross section for production of $$K^0_s$$, $$omega$$, $$eta'$$ and $$phi$$ mesons in $$p + p$$ collisions at $$sqrt{s}$$ = 200 GeV. The spectral shapes of all hadron transverse momentum distributions are well described by a Tsallis distribution functional form with only two parameters, $$n$$ and $$T$$, determining the high $$p_T$$ and characterizing the low $$p_T$$ regions for the spectra, respectively. The integrated invariant cross sections calculated from the fitted distributions are found to be consistent with existing measurements and with statistical model predictions.

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分野:Astronomy & Astrophysics

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