Investigation of the deuteron spin structure at short nucleon-nucleon distances in the reaction of polarized-deuteron fragmentation to cumulative pions

Azhgirey L.S.; Afanasiev S.V.; Borzounov Y.T.; Golovanov L.B.; Zolin L.S.; Ivanov V.I.; Isupov A.Y.; Ladygin V.P.; Litvinenko A.G.; Malakhov A.I.; Penev V.N.; Peresedov V.F.; Pilipenko Y.K.; Reznikov S.G.; Rukoyatkin P.A.; Khrenov A.N.

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Investigation of the deuteron spin structure at short nucleon-nucleon distances in the reaction of polarized-deuteron fragmentation to cumulative pions

机译：极化氘核碎片与累积pions反应中短核子-核子距离处氘核自旋结构的研究

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Experimental results on the vector (A_y) and tensor (A_(yy)) analyzing powers in the fragmentation of 5- and 9-GeV/c polarized deuterons to high-momentum pions in the kinematical region corresponding to pion production on a strongly correlated nucleon pair (cumulative meson production) are presented. The angular and momentum dependences of A_(yy) are not described by calculations performed in the impulse approximation by using standard deuteron wave functions. An explanation for our data should be sought on the basis of models that treat the deuteron at short distances (deuteron-core region) as a multiquark state-for example, a 6q cluster, whose high orbital angular momentum (D wave) leads to the observed strong dependence of the reaction tensor analyzing power A(d→, π)X on the pion transverse momentum.

机译：在矢量（A_y）和张量（A_（yy））上的实验结果分析了5和9-GeV / c极化氘核在运动区域中分裂为高动量pion的能力，对应于强相关核子上的pion产生一对（累积介子产生）。 A_（yy）的角和动量相关性未通过使用标准氘核波函数在脉冲逼近中执行的计算来描述。我们应该根据将短距离氘核（氘核中心区域）视为多夸克状态的模型（例如6q簇，其高轨道角动量（D波）导致产生观察到反应张量分析能力A（d→，π）X对介子横向动量的强烈依赖性。

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《Physics of atomic nuclei》 |2011年第10期|共18页
作者
Azhgirey L.S.; Afanasiev S.V.; Borzounov Y.T.; Golovanov L.B.; Zolin L.S.; Ivanov V.I.; Isupov A.Y.; Ladygin V.P.; Litvinenko A.G.; Malakhov A.I.; Penev V.N.; Peresedov V.F.; Pilipenko Y.K.; Reznikov S.G.; Rukoyatkin P.A.; Khrenov A.N.;
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1. Investigation of the deuteron spin structure at short nucleon-nucleon distances in the reaction of polarized-deuteron fragmentation to cumulative pions [J] . Azhgirey L.S., Afanasiev S.V., Borzounov Y.T., Physics of atomic nuclei . 2011,第10期

机译：极化氘核碎片与累积pions反应中短核子-核子距离处氘核自旋结构的研究
2. The investigation of short-range~3He,~3H and deuteron spin structure via the measurement of the angular distributions of the analyzing power in the dd →~3Hen and dd → Hp reactions at 140, 200 and 270 MeV~1 [J] . Kurilkin A.K., Janek M., Kiselev A.S., Physics of particles and nuclei letters . 2011,第10期

机译：通过测量140、200和270 MeV〜1下dd→〜3Hen和dd→Hp反应中分析能力的角分布，研究短程〜3He，〜3H和氘核自旋结构
3. Simulation of Deuteron Fragmentation into Pions Produced in the Twice-Cumulative Region [J] . Physics of atomic nuclei . 2019,第6期

机译：两次累积区生产的氘碎片模拟
4. Spin Effects at Fragmentation of Polarized Deuterons into Cumulative Pions [C] . S. Afanasiev, V. Arkhipov, V. Bondarev, International Nuclear Physics Conference . 2002

机译：在偏振氘的碎片中旋转效果进入累积的π
5. A DECK MODEL ANALYSIS OF THE REACTION POSITIVE PION-DEUTERON ---> POSITIVE PION, POSITIVE PION, NEGATIVE PION, DEUTERON AT 15 GEV/C. [D] . GLUCH, DAVID PAUL. 1976

机译：15 GEV / C时反应性正离子-氘核--->正离子，正离子，负离子，氘核的甲板模型分析。
6. Primary Ion Depletion Kinetics (PIDK) Studies as a New Tool for Investigating Chemical Ionization Fragmentation Reactions with PTR-MS [O] . Erna Schuhfried, Tilmann D. Märk, Franco Biasioli -1

机译：初级离子耗竭动力学（PIDK）研究作为研究PTR-MS化学电离断裂反应的新工具
7. Simulation of the reaction of deuteron fragmentation into cumulative and double cumulative pions [O] . Anatoly Grigorievich Litvinenko 2015

机译：氘碎片分段成累积和双累积接头反应的模拟

Investigation of the deuteron spin structure at short nucleon-nucleon distances in the reaction of polarized-deuteron fragmentation to cumulative pions

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