重介子 的英文怎麼說

中文拼音 [zhòngjièzi]
重介子 英文
heavy meson
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  1. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠直接交換,而線性禁閉源於標量和矢量的混合,同時考慮在短程區域與單膠直接交換起同樣作用的同味正反夸克的湮滅,構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正,並擬合計算了重介子偶素的能譜,討論了相對論修正對重介子偶素能級分裂的作用。
  2. For the sake of brevity we shall discuss only one super-multiplet of mesons.

    為了敘述簡便起見,我們在這里只討論族的一個超多組。
  3. As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow

    研究表明k ~ +集體流在相對論碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核和k ~ +的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。
  4. Read chap. 5 of your text book to complement our discussion of heavy mesons in chiral perturbation theory

    10閱讀教材第五章以補充關于手征微擾理論中重介子的討論。
  5. In the framework of quarkonia - quarkonia mixing, considering the effect of the flavor - dependent transitions between quarkonia, the new mass relation of a meson nonet is presented

    摘要在混合的框架下,考慮到夸克偶素間的湮滅跟味道有關這種效應,給出了一種新的態成員間的質量關系。
  6. It indicates that a correct mass relation of a meson nonet ( especially for the non ideal - mixing meson nonet ) should incorporate the effect of the flavor - dependent quarkonia annihilation

    這表明,一個正確反映態(特別是非理想混合的態)成員間質量關系的公式,應該包含夸克偶素間的湮滅跟味道有關這種修正。
  7. The pions form another triplet, electrically different but otherwise alike.

    構成另一種三態,只是電荷不同,其它方面均相同。
  8. This thesis is organized in two parts : the first part of this thesis focuses on strangeness production at sps energies. the strange baryon and strange meson pro - duction at sps energies are modeled via luciae model which includes the reseat ter - ing

    我們的工作目標主要集中在用建立在強和弦機制上的高能核反應模型- luciae ,模擬wa97和na49實驗中的奇異和奇異產生的數據。
  9. For probing the isospin dependence of the medium correction of two - body cross sections, the results show that the behavior of the excitation function of stopping for medium size nuclear collisions can provide cleare r information than that for heavier systems

    我們的結果還表明測量中等大小質量的系統在中能碰撞中的核阻止本領激發函數比測量的系統能提供更為確切的有關兩體截面質修正的信息。
  10. Second, we obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory and devote more effects to understand this new confinement generating mechanism through the investigation of the phenomenological application of this interquark potential in the heavy mesons sector

    其次,由超弦理論啟發的伸縮?膠有效耦合,給出了一種新的夸克勢,並在重介子系統中研究了這個勢提供的禁閉機制。
  11. We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial

    由規范場理論的超弦理論所激發的伸縮一膠有效藕合,給出了一個新的靜態夸克一反夸克勢,討論了此勢模型下重介子的自旋平均能譜、輕衰變和輻射躍遷寬度,並與cdrn叭勢模型所得到的相應結果作了比較
  12. It is divided into port state control ( psc ) security check, flag state control ( fsc ) security check, ships quality appraisal, assistant business, report forms, the assurance of the target ship, electronic declare management, parameter design and purview management, the form design. the course of system implement is given in the thesis. the thesis emphasized to introduce the business logic of the psc security check and report forms 。 the implementation of pagestudio is detailed in the thesis

    深圳海事數字平臺分為港口國安全檢查( psc ) 、船艦國安全檢查( fsc ) 、船舶質量評價、輔助業務、報表、目標船的確定、電申報管理、參數設計與權限管理、表單設計器9個功能模塊,在文中給出了系統開發環境搭建過程,並著紹了psc安全檢查與報表統計模塊的業務邏輯。
  13. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下:第一章紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還紹了神經網路模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因分析等,提出了信用評價混合型專家系統的具體框架結構,紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。
  14. Here we summarize the advances in physiology and ecology studies on stored non - structure carbohydrates in plants, concentrating upon the physiological processes of sucrose, fructan, and starch and their responding mechanisms to environmental factors such as temperature and water and human factors

    綜述了植物非結構性貯藏碳水化合物的生理生態學研究進展,著紹了蔗糖、果聚糖和澱粉代謝的生理過程及對環境因(溫度和水分)和人為因素的響應機制。
  15. Further works are clearly needed to develop the model to reach a better understanding of the heavy meson properties, and to extend investigation of baryon properties

    進一步的工作需要考慮模型本身的完善來達到對重介子性質的更好理解,並將這個勢擴展到對性質的研究
  16. Further work is needed to extend this new potential to investigate other properties of heavy mesons and the properties of baryons so as to test the reliability of this potential

    進一步的工作需要擴展這個新的勢對重介子其它性質和性質的研究,以便檢驗這個勢的可靠性。
  17. We obtain the mass spectra of heavy mesons by solving salpeter equation and the schrbdinger equation in a unified way, respectively. then, we discuss the effects of relativistic kinetic energy on heavy mesons

    ) dinger方程,給出了重介子的能譜,並討論了相對論動能修正對重介子能譜的影響。
  18. Furthermore, we consider the vacuum color screening correction to cornell potential and find corrected potential gives a better fit to energy levels and mean - square - root ( m. s. r ) radii for heavy mesons, including j and t families

    在此基礎上,我們考慮真空色屏蔽效應對cornell勢的修正,發現具有色屏蔽效應的勢對重介子( j和家族)的能譜給出了更為合理的解釋。
  19. We calculate the spin - average energy levels of heavy mesons and analyze the influence of model parameters to energy levels. the obtained results are compared with that of other potentials and agree with the available data

    重介子系統中研究了這個新的夸克勢,計算了一些重介子系統的自旋平均能譜,分析了模型參數對能譜的影響,所得能譜與其它勢的結果作了比較,並與實驗上肯定的數據符合較好。
  20. Second, the quark potential has to be at present determined phe - nomenologically due to qcd nonperturbation and the mechanism of quark confinement is still in search

    尹其次,由於夸克勢只能唯象地得到,夸克禁閉機制及其對重介子的影響仍在探索之中
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