Nuclear-modification factor of charged hadrons at forward and backward rapidity in p + Al and p + Au collisions at sNN=200GeV
Nuclear-modification factor of charged hadrons at forward and backward rapidity in p + Al and p + Au collisions at sNN=200GeV
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DOI：
10.1103/physrevc.101.034910
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发表时间：
2019-06
影响因子：
3.1
通讯作者：
C. Aidala;Y. Akiba;M. Alfred;V. Andrieux;N. Apadula;H. Asano;B. Azmoun;V. Babintsev;N. Bandara;K. Barish;S. Bathe;A. Bazilevsky;M. Beaumier;R. Belmont;A. Berdnikov;Y. Berdnikov;D. Blau;J. Bok;M. Brooks;J. Bryslawskyj;V. Bumazhnov;S. Campbell;V. C. Roman;R. Cervantes;C. Chi;M. Chiu;I. Choi;J. Choi;Z. Citron;M. Connors;N. Cronin;M. Csanád;T. CsorgHo;T. Danley;M. Daugherity;G. David;K. DeBlasio;K. Dehmelt;A. Denisov;A. Deshpande;E. Desmond;A. Dion;D. Dixit;J. Do;A. Drees;K. Drees;J. Durham;A. Durum;A. Enokizono;H. En’yo;S. Esumi;B. Fadem;W. Fan;N. Feege;D. Fields;M. Finger;Jr.;S. Fokin;J. Frantz;A. Franz;A. Frawley;Y. Fukuda;C. Gal;P. Gallus;E. Gamez;P. Garg;H. Ge;F. Giordano;Y. Goto;N. Grau;S. Greene;M. Perdekamp;T. Gunji;H. Guragain;T. Hachiya;J. Haggerty;K. Hahn;H. Hamagaki;H. Hamilton;S. Han;J. Hanks;S. Hasegawa;T. Haseler;X. He;T. Hemmick;J. Hill;K. Hill;A. Hodges;R. Hollis;K. Homma;B. Hong;T. Hoshino;N. Hotvedt;J. Huang;S. Huang;K. Imai;M. Inaba;A. Iordanova;D. Isenhower;S. Ishimaru;D. Ivanishchev;B. Jacak;M. Jezghani;Z. Ji;X. Jiang;B. Johnson;D. Jouan;D. Jumper;J. Kang;D. Kapukchyan;S. Karthas;D. Kawall;A. Kazantsev;V. Khachatryan;A. Khanzadeev;A. Khatiwada;C. Kim;E.J. Kim;M. Kim;D. Kincses;E. Kistenev;J. Klatsky;P. Kline;T. Koblesky;D. Kotov;S. Kudo;B. Kurgyis;K. Kurita;Y. Kwon;J. Lajoie;A. Lebedev;S. Lee;S. Lee;M. Leitch;Y. Leung;N. Lewis;X. Li;S. Lim;M. Liu;V. Loggins;S. Lokos;K. Lovász;D. Lynch;T. Majoros;Y. Makdisi;M. Makek;V. Manko;E. Mannel;M. McCumber;P. McGaughey;D. Mcglinchey;C. McKinney;M. Mendoza;W. Metzger;A. Mignerey;A. Milov;D. Mishra;J. Mitchell;I. Mitrankov;G. Mitsuka;S. Miyasaka;S. Mizuno;P. Montuenga;T. Moon;D. Morrison;S. Morrow;T. Murakami;J. Murata;K. Nagai;K. Nagashima;T. Nagashima;J. Nagle;M. Nagy;I. Nakagawa;K. Nakano;C. Nattrass;S. Nelson;T. Niida;R. Nishitani;R. Nouicer;T. Novak;N. Novitzky;A. Nyanin;E. O'brien;C. Ogilvie;J. Koop;J. Osborn;A. Oskarsson;G. Ottino;K. Ozawa;V. Pantuev;V. Papavassiliou;J. Park;S. Park;S. Pate;M. Patel;W. Peng;D. Perepelitsa;G. Perera;D. Peressounko;C. PerezLara;J. Perry;R. Petti;M. Phipps;C. Pinkenburg;R. Pisani;A. Pun;M. Purschke;P. Radzevich;K. Read;D. Reynolds;V. Riabov;Y. Riabov;D. Richford;T. Rinn;S. Rolnick;M. Rosati;Z. Rowan;J. Runchey;A. Safonov;T. Sakaguchi;H. Sako;V. Samsonov;M. Sarsour;S. Sato;C. Scarlett;B. Schaefer;B. Schmoll;K. Sedgwick;R. Seidl;A. Sen;R. Seto;A. Sexton;D. Sharma;I. Shein;T. Shibata;K. Shigaki;M. Shimomura;T. Shioya;P. Shukla;A. Sickles;C. Silva;D. Silvermyr;B. Singh;C. P. Singh;V. Singh;M. Skoby;M. Slunevcka;K. Smith;M. Snowball;R. Soltz;W. Sondheim;S. Sorensen;I. Sourikova;P. Stankus;S. Stoll;T. Sugitate;A. Sukhanov;T. Sumita;J. Sun;Z. Sun;S. Suzuki;J. Sziklai;K. Tanida;M. Tannenbaum;S. Tarafdar;A. Taranenko;G. Tarnai;R. Tieulent;A. Timilsina;T. Todoroki;M. Tom'avsek;C. Towell;R. Towell;I. Tserruya;Y. Ueda;B. Ujvari;H. W. Hecke;J. Velkovska;M. Virius;V. Vrba;N. Vukman;X. Wang;Z. Wang;Y. Watanabe;C. Wong;C. Woody;C. Xu;Q. Xu;L. Xue;S. Yalcin;Y. Yamaguchi;H. Yamamoto;A. Yanovich;J. Yoo;I. Yoon;H. Yu;I. Yushmanov;W. Zajc;A. Zelenski;Y. Zhai;S. Zharko;L. Zou
中科院分区：
文献类型：
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作者：
C. Aidala;Y. Akiba;M. Alfred;V. Andrieux;N. Apadula;H. Asano;B. Azmoun;V. Babintsev;N. Bandara;K. Barish;S. Bathe;A. Bazilevsky;M. Beaumier;R. Belmont;A. Berdnikov;Y. Berdnikov;D. Blau;J. Bok;M. Brooks;J. Bryslawskyj;V. Bumazhnov;S. Campbell;V. C. Roman;R. Cervantes;C. Chi;M. Chiu;I. Choi;J. Choi;Z. Citron;M. Connors;N. Cronin;M. Csanád;T. CsorgHo;T. Danley;M. Daugherity;G. David;K. DeBlasio;K. Dehmelt;A. Denisov;A. Deshpande;E. Desmond;A. Dion;D. Dixit;J. Do;A. Drees;K. Drees;J. Durham;A. Durum;A. Enokizono;H. En’yo;S. Esumi;B. Fadem;W. Fan;N. Feege;D. Fields;M. Finger;Jr.;S. Fokin;J. Frantz;A. Franz;A. Frawley;Y. Fukuda;C. Gal;P. Gallus;E. Gamez;P. Garg;H. Ge;F. Giordano;Y. Goto;N. Grau;S. Greene;M. Perdekamp;T. Gunji;H. Guragain;T. Hachiya;J. Haggerty;K. Hahn;H. Hamagaki;H. Hamilton;S. Han;J. Hanks;S. Hasegawa;T. Haseler;X. He;T. Hemmick;J. Hill;K. Hill;A. Hodges;R. Hollis;K. Homma;B. Hong;T. Hoshino;N. Hotvedt;J. Huang;S. Huang;K. Imai;M. Inaba;A. Iordanova;D. Isenhower;S. Ishimaru;D. Ivanishchev;B. Jacak;M. Jezghani;Z. Ji;X. Jiang;B. Johnson;D. Jouan;D. Jumper;J. Kang;D. Kapukchyan;S. Karthas;D. Kawall;A. Kazantsev;V. Khachatryan;A. Khanzadeev;A. Khatiwada;C. Kim;E.J. Kim;M. Kim;D. Kincses;E. Kistenev;J. Klatsky;P. Kline;T. Koblesky;D. Kotov;S. Kudo;B. Kurgyis;K. Kurita;Y. Kwon;J. Lajoie;A. Lebedev;S. Lee;S. Lee;M. Leitch;Y. Leung;N. Lewis;X. Li;S. Lim;M. Liu;V. Loggins;S. Lokos;K. Lovász;D. Lynch;T. Majoros;Y. Makdisi;M. Makek;V. Manko;E. Mannel;M. McCumber;P. McGaughey;D. Mcglinchey;C. McKinney;M. Mendoza;W. Metzger;A. Mignerey;A. Milov;D. Mishra;J. Mitchell;I. Mitrankov;G. Mitsuka;S. Miyasaka;S. Mizuno;P. Montuenga;T. Moon;D. Morrison;S. Morrow;T. Murakami;J. Murata;K. Nagai;K. Nagashima;T. Nagashima;J. Nagle;M. Nagy;I. Nakagawa;K. Nakano;C. Nattrass;S. Nelson;T. Niida;R. Nishitani;R. Nouicer;T. Novak;N. Novitzky;A. Nyanin;E. O'brien;C. Ogilvie;J. Koop;J. Osborn;A. Oskarsson;G. Ottino;K. Ozawa;V. Pantuev;V. Papavassiliou;J. Park;S. Park;S. Pate;M. Patel;W. Peng;D. Perepelitsa;G. Perera;D. Peressounko;C. PerezLara;J. Perry;R. Petti;M. Phipps;C. Pinkenburg;R. Pisani;A. Pun;M. Purschke;P. Radzevich;K. Read;D. Reynolds;V. Riabov;Y. Riabov;D. Richford;T. Rinn;S. Rolnick;M. Rosati;Z. Rowan;J. Runchey;A. Safonov;T. Sakaguchi;H. Sako;V. Samsonov;M. Sarsour;S. Sato;C. Scarlett;B. Schaefer;B. Schmoll;K. Sedgwick;R. Seidl;A. Sen;R. Seto;A. Sexton;D. Sharma;I. Shein;T. Shibata;K. Shigaki;M. Shimomura;T. Shioya;P. Shukla;A. Sickles;C. Silva;D. Silvermyr;B. Singh;C. P. Singh;V. Singh;M. Skoby;M. Slunevcka;K. Smith;M. Snowball;R. Soltz;W. Sondheim;S. Sorensen;I. Sourikova;P. Stankus;S. Stoll;T. Sugitate;A. Sukhanov;T. Sumita;J. Sun;Z. Sun;S. Suzuki;J. Sziklai;K. Tanida;M. Tannenbaum;S. Tarafdar;A. Taranenko;G. Tarnai;R. Tieulent;A. Timilsina;T. Todoroki;M. Tom'avsek;C. Towell;R. Towell;I. Tserruya;Y. Ueda;B. Ujvari;H. W. Hecke;J. Velkovska;M. Virius;V. Vrba;N. Vukman;X. Wang;Z. Wang;Y. Watanabe;C. Wong;C. Woody;C. Xu;Q. Xu;L. Xue;S. Yalcin;Y. Yamaguchi;H. Yamamoto;A. Yanovich;J. Yoo;I. Yoon;H. Yu;I. Yushmanov;W. Zajc;A. Zelenski;Y. Zhai;S. Zharko;L. Zou
PHENIX实验研究了核效应 $p$$+$阿尔和 $p$$+$金碰撞 $\sqrt{s_{_{NN}}}=200$ 正向快速带电强子产生的GeV ($1.4<\eta<2.4$， $p$-前进方向)和后退速度($-2.2<\eta<-1.2$， $A$——前进的方向)。通过测量核修饰因子作为各种碰撞多重选择中的横向动量和伪快度的函数来量化这种效应。在中环 $p$$+$阿尔和 $p$$+$在金碰撞中，与二元比例产率相比，在正向（反向）速度下观察到抑制（增强） $p$+$p$ 碰撞。在后退速度下的增强幅度更大 $p$$+$Au碰撞比 $p$$+$Al碰撞，它有更少的参与核子。然而，在前进速度下的结果在不确定度内显示出类似的抑制。将积分中心性的计算结果与核部子分布函数的计算结果进行了比较，结果表明，前向快速性与前向快速性比较一致，但不能描述后向快速性的增强。
The PHENIX experiment has studied nuclear effects in $p$$+$Al and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV on charged hadron production at forward rapidity ($1.4<\eta<2.4$, $p$-going direction) and backward rapidity ($-2.2<\eta<-1.2$, $A$-going direction). Such effects are quantified by measuring nuclear modification factors as a function of transverse momentum and pseudorapidity in various collision multiplicity selections. In central $p$$+$Al and $p$$+$Au collisions, a suppression (enhancement) is observed at forward (backward) rapidity compared to the binary scaled yields in $p$+$p$ collisions. The magnitude of enhancement at backward rapidity is larger in $p$$+$Au collisions than in $p$$+$Al collisions, which have a smaller number of participating nucleons. However, the results at forward rapidity show a similar suppression within uncertainties. The results in the integrated centrality are compared with calculations using nuclear parton distribution functions, which show a reasonable agreement at the forward rapidity but fail to describe the backward rapidity enhancement.