Towards Global Interpretation of Lhc Data: SM and Eft Couplings from Jet and Top-Quark Measurements at CMS
Mäkelä, Toni
- 出版商: Springer
- 出版日期: 2024-05-18
- 售價: $6,380
- 貴賓價: 9.5 折 $6,061
- 語言: 英文
- 頁數: 162
- 裝訂: Quality Paper - also called trade paper
- ISBN: 3031297814
- ISBN-13: 9783031297816
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相關主題
商品描述
This book presents the first global interpretation of measurements of jet and top quark production at the Large Hadron Collider, including a simultaneous extraction of the standard model parameters together with constraints on new physics, unbiased from the assumptions on the standard model parameters.
As a long-standing problem, any hadron collider search for new physics depends on parton distribution functions, which cannot be predicted but are extracted experimentally. However, performing the extraction in the same kinematic region where physics beyond the standard model is expected to manifest causes the risk of absorbing the new physics effects into the parton distributions. In this book, the issue is addressed by extending the standard model by effective contributions from quark contact interactions describing new physics and extracting the parton distributions and standard model parameters simultaneously with setting limits on the contact interactions. In the process, the most precise single measurement of the strong coupling constant at the LHC is performed, to date. Furthermore, the book details the first investigation of the mass renormalization scale dependence of the top quark mass, highlighting the importance of a proper scale choice for obtaining robust predictions and improving the precision of experimental analyses.The initial chapters provide the reader with a succinct yet accessible introduction to the relevant theoretical and experimental topics. The presented investigations are at the edge of precision in the phenomenology of high-energy physics and serve to pave the road toward a global interpretation of LHC data.
商品描述(中文翻譯)
本書首次全球解釋了大型強子對撞機上噴流和頂夸克產生的測量結果，包括對標準模型參數的同時提取以及對新物理的限制，不受對標準模型參數的假設的影響。
作為一個長期存在的問題，任何強子對撞機對新物理的搜索都依賴於無法預測但可以從實驗中提取的部分分佈函數。然而，在預期超出標準模型的物理現象可能出現的同一運動學區域進行提取會導致將新物理效應吸收到部分分佈函數中的風險。本書通過將標準模型擴展為描述新物理的夸克接觸相互作用的有效貢獻，並同時提取部分分佈函數和標準模型參數，並對接觸相互作用設置限制來解決這個問題。在此過程中，迄今為止在大型強子對撞機上進行了最精確的強耦合常數單一測量。
此外，本書詳細介紹了頂夸克質量的質量重整化尺度依賴性的首次研究，突出了適當的尺度選擇對於獲得可靠預測和提高實驗分析精度的重要性。
初始章節為讀者提供了簡明易懂的相關理論和實驗主題介紹。所呈現的研究處於高能物理現象學的精確性邊緣，有助於鋪平通往對大型強子對撞機數據的全球解釋之路。
作者簡介
Dr. T. Mäkelä is a research scholar working in the phenomenology of high-energy physics, at the intersection of theory and experiment. His work serves to both improve our understanding of the standard model of particle physics via increased precision and to investigate the possibilities for new physics beyond the standard model.
During his doctoral studies at DESY in Hamburg, Germany, Dr. Mäkelä worked as a theorist associated with the CMS experiment. The main focus of this work is on an unbiased strategy for the simultaneous extraction of the fundamental parameters of the standard model, together with the couplings of new physics. This is performed for the first time at the Large Hadron Collider and results in the most precise extraction of the strong coupling constant at a hadron collider, at the time of writing. Furthermore, Dr. Mäkelä has carried out the first consistent investigation of the mass renormalization scale dependence of the mass of the top quark, demonstrating the importance of a proper scale choice for stabilizing the theoretical predictions for top quark-antiquark pair production cross sections, hence increasing the precision of experimental analyses.The results of the pioneering work have been highlighted by CERN and DESY. They have also been presented at major conferences in the field of high-energy physics, as well as invited seminar talks.
作者簡介(中文翻譯)
Dr. T. Mäkelä是一位研究學者，從事高能物理的現象學研究，涉及理論和實驗的交叉領域。他的工作旨在通過提高精確度來改進我們對粒子物理標準模型的理解，並探索超越標準模型的新物理可能性。
在德國漢堡的DESY攻讀博士學位期間，Dr. Mäkelä作為CMS實驗的理論家進行研究。這項工作的主要重點是無偏策略，同時提取標準模型的基本參數和新物理的耦合。這是首次在大型強子對撞機上進行的，並在撰寫本文時得到了最精確的強耦合常數提取結果。此外，Dr. Mäkelä還首次進行了對頂夸克質量重正化尺度依賴性的一致研究，證明了正確的尺度選擇對穩定理論對頂夸克-反夸克對產生截面的預測的重要性，從而提高了實驗分析的精度。
這項開創性工作的結果受到了CERN和DESY的關注。它們還在高能物理領域的重要會議上進行了介紹，並受邀進行了研討會演講。
