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Tuning and validation of hadronic event generator for R value measurements in the tau-charm region
Ping RG(平荣刚); Xiong XA(熊习安); Li YT(李应天); Zhou XY(周兴玉); Zhang BX(张丙新); Yan WB(鄢文标); Hu HM(胡海明); Ping, RG; Xiong, XA; Xia, L; Gao, Z; Li, YT; Zhou, XY; Zhang, BX; Zheng, B; Yan, WB; Hu, HM; Huang, GS
2016
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
EISSN2058-6132
Volume40Issue:11Pages:113002
Corresponding Author平荣刚
SubtypeArticle
AbstractTo measure the R value in an energy scan experiment with e(+)e(-) collisions, precise calculation of initial state radiation is required in the event generators. We present an event generator for this consideration, which incorporates initial state radiation effects up to second order accuracy. The radiative correction factor is calculated using the totally hadronic Born cross section. The measured exclusive processes are generated according to their cross sections, while the unknown processes are generated using the LUND Area Law model, and its parameters are tuned with data collected at root s = 3.65 GeV. The optimized values are validated with data in the range root s = 2.2324-3.671 GeV. These optimized parameters are universally valid for event generation below the DD threshold.
Keywordevent generator R value
DOI10.1088/1674-1137/40/11/113002
WOS KeywordHIGH-ENERGY ; VACUUM POLARIZATION ; PRECISION ; ANNIHILATION ; PHYSICS ; QCD ; FRAGMENTATION ; BESIII ; MODELS ; SYSTEM
Indexed BySCI ; ADS ; ADS
Language英语
WOS IDWOS:000389144400003
ADS Bibcode2016ChPhC..40k3002P
ADS URLhttps://ui.adsabs.harvard.edu/abs/2016ChPhC..40k3002P
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2016ChPhC..40k3002P/citations
inspireid1466299
Citation statistics
Cited Times:11 [INSPIRE]
Cited Times:19 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/261027
Collection实验物理中心
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Ping RG,Xiong XA,Li YT,et al. Tuning and validation of hadronic event generator for R value measurements in the tau-charm region[J]. CHINESE PHYSICS C,2016,40(11):113002.
APA 平荣刚.,熊习安.,李应天.,周兴玉.,张丙新.,...&Huang, GS.(2016).Tuning and validation of hadronic event generator for R value measurements in the tau-charm region.CHINESE PHYSICS C,40(11),113002.
MLA 平荣刚,et al."Tuning and validation of hadronic event generator for R value measurements in the tau-charm region".CHINESE PHYSICS C 40.11(2016):113002.
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