Event engineering studies for heavy flavor production and hadronization in high multiplicity hadron-hadron and hadron-nucleus collisions

Yan-Qing Ma; Prithwish Tribedy; Raju Venugopalan; Kazuhiro Watanabe

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Event engineering studies for heavy flavor production and hadronization in high multiplicity hadron-hadron and hadron-nucleus collisions

机译：在高多重性强子-强子和强子-核碰撞中重味产生和强子化的事件工程研究

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Heavy flavor measurements in high multiplicity proton-proton and proton-nucleus collisions at collider energies enable unique insights into their production and hadronization mechanism because experimental and theoretical uncertainties cancel in ratios of their cross sections relative to minimum bias events. We explore such event engineering using the color glass condensate (CGC) effective field theory to compute short-distance charmonium cross sections. The CGC is combined with heavy-quark fragmentation functions to compute D -meson cross sections; for the J / ψ , hadronization is described employing nonrelativistic QCD (NRQCD) and an improved color evaporation model. Excellent agreement is found between the CGC computations and the LHC heavy flavor data in high multiplicity events. Event engineering in this CGC + NRQCD framework reveals a very rapid growth in the fragmentation of the S 1 [ 8 ] 3 state in rare events relative to minimum bias events.

机译：对撞机能量在高多重质子-质子和质子-核碰撞中进行重口味测量，使他们能够深入了解其产生和强子化机理，因为实验和理论上的不确定性抵消了相对于最小偏差事件的横截面比率。我们使用彩色玻璃凝结水（CGC）有效场理论探索此类事件工程，以计算短距离charm的横截面。 CGC与重夸克碎片函数结合在一起以计算D介子横截面;对于J /ψ，使用非相对论QCD（NRQCD）和改进的颜色蒸发模型描述了强子化。在高多重性事件中，CGC计算与LHC重味数据之间发现了极好的一致性。在这种CGC + NRQCD框架中的事件工程显示，相对于最小偏差事件，在罕见事件中S 1 [8] 3状态的碎片非常迅速地增长。

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《Physical review, D》 |2018年第7期|共13页
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Yan-Qing Ma; Prithwish Tribedy; Raju Venugopalan; Kazuhiro Watanabe;
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1. Event engineering studies for heavy flavor production and hadronization in high multiplicity hadron-hadron and hadron-nucleus collisions [J] . Yan-Qing Ma, Prithwish Tribedy, Raju Venugopalan, Physical review, D . 2018,第7aPta1期

机译：高繁荣生产和高度多重性脱氮化的事件工程研究HADRON-HADRON和HOTRON-核碰撞
2. Unified framework for heavy flavor and quarkonium production in high multiplicity p plus p and p plus A collisions at RHIC and LHC [J] . Ma Yan-Qing, Tribedy Prithwish, Venugopalan Raju, Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions . 2019,第期

机译：高型味道和Quarkonium生产的统一框架在高乘法P Plus P Plus P Plus P以及RHIC和LHC的碰撞
3. Event-shape-engineering study of charge separation in heavy-ion collisions [J] . Fufang Wen, Jacob Bryon, Liwen Wen, 中国物理C（英文版） . 2018,第001期

机译：重离子碰撞中电荷分离的事件形状工程研究
4. Light Flavor Hadron Production as a Function of Multiplicity in pp Collisions at {formula}= 7 TeV Measured with ALICE [C] . Kishora Nayak DAE High Energy Physics Symposium . 2018

机译：轻质强调强发电作为在{公式}}} {公式} = 7 tev中的多重性的函数
5. Measurement of the t (bar)t production cross section using heavy flavor tags in W + greater than or equal to 3 jet events in p (bar)p collisions at 1.8 TeV. [D] . Ptochos, Fotios K. 1998

机译：在1.8 TeV的p（bar）p碰撞中，使用W +中大于或等于3个喷射事件的重味标签，测量t（bar）t的生产横截面。
6. Measurement of jet multiplicity distributions in ... formula ... production in pp collisions at ... formula ... [O] . S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, -1

机译：在...公式下pp碰撞中... ...生产中的射流多重性测量
7. A proposal to study particle production spectra and multiplicities in high energy hadron-hadron collisions, and for a beam survey and quark search [O] . Beier, E.W., Kreinick, D.L., Weisberg, H., 1970

机译：建议研究高能量强子 - 强子碰撞中的粒子产生光谱和多重性，以及进行光束测量和夸克搜索
8. A proposal to study particle production spectra and multiplicities in high energy hadron-hadron collisions, and for a beam survey and quark search [R] . 1970

机译：建议研究高能量强子 - 强子碰撞中的粒子产生光谱和多重性，以及进行光束测量和夸克搜索

Event engineering studies for heavy flavor production and hadronization in high multiplicity hadron-hadron and hadron-nucleus collisions

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