The production of light(anti-)nuclei in high-energy collisions has long posed an apparent paradox:How can loosely bound systems such as the anti-deuteron with a binding energy of only 2.23 MeV be formed and survive in...The production of light(anti-)nuclei in high-energy collisions has long posed an apparent paradox:How can loosely bound systems such as the anti-deuteron with a binding energy of only 2.23 MeV be formed and survive in the extreme hot and dense hadronic environment emerging from proton–proton(pp)and heavy-ion collisions,where characteristic thermal energies exceed 100 MeV?A new femtoscopy analysis published on Nature[1]by the ALICE Collaboration at the Large Hadron Collider(LHC)delivers the clearest answer to date.展开更多
Alice opened the door and found that it led into a small passage,not much larger than a rat⁃hole:she knelt down and looked along the passage into the loveliest garden you ever saw.How she longed to get out of that dar...Alice opened the door and found that it led into a small passage,not much larger than a rat⁃hole:she knelt down and looked along the passage into the loveliest garden you ever saw.How she longed to get out of that dark hall,and wander about among those beds of bright flowers and those cool fountains,but she could not even get her head through the doorway;“and even if my head would go through,”thought poor Alice,“it would be of very little use without my shoulders.Oh,how I wish I could shut up like a telescope!I think I could,if I only know how to begin.”For,you see,so many out⁃of⁃the⁃way things had happened lately,that Alice had begun to think that very few things indeed were really impossible.展开更多
爱丽丝·纱良·奥特(Alice Sara Ott)总是赤脚走上舞台。这种习惯早已成为她的标志--仿佛脱下鞋子的那一刻,她便放下了身为职业钢琴家的拘谨,与琴键建立起一种更为亲密的连接。她不急于演奏,而是先与观众聊上几句,随后,灯光洒下...爱丽丝·纱良·奥特(Alice Sara Ott)总是赤脚走上舞台。这种习惯早已成为她的标志--仿佛脱下鞋子的那一刻,她便放下了身为职业钢琴家的拘谨,与琴键建立起一种更为亲密的连接。她不急于演奏,而是先与观众聊上几句,随后,灯光洒下,她在琴前坐下,双手悬停在黑白键上。一切似乎都还未开始,但某种气息,早已在空气中涌动。展开更多
基金supported in part by the National Key Research and Development Project of China(No.2024YFA1612500)the National Natural Science Foundation of China(Nos.12422509,12375121,12547102)。
文摘The production of light(anti-)nuclei in high-energy collisions has long posed an apparent paradox:How can loosely bound systems such as the anti-deuteron with a binding energy of only 2.23 MeV be formed and survive in the extreme hot and dense hadronic environment emerging from proton–proton(pp)and heavy-ion collisions,where characteristic thermal energies exceed 100 MeV?A new femtoscopy analysis published on Nature[1]by the ALICE Collaboration at the Large Hadron Collider(LHC)delivers the clearest answer to date.
文摘Alice opened the door and found that it led into a small passage,not much larger than a rat⁃hole:she knelt down and looked along the passage into the loveliest garden you ever saw.How she longed to get out of that dark hall,and wander about among those beds of bright flowers and those cool fountains,but she could not even get her head through the doorway;“and even if my head would go through,”thought poor Alice,“it would be of very little use without my shoulders.Oh,how I wish I could shut up like a telescope!I think I could,if I only know how to begin.”For,you see,so many out⁃of⁃the⁃way things had happened lately,that Alice had begun to think that very few things indeed were really impossible.
文摘爱丽丝·纱良·奥特(Alice Sara Ott)总是赤脚走上舞台。这种习惯早已成为她的标志--仿佛脱下鞋子的那一刻,她便放下了身为职业钢琴家的拘谨,与琴键建立起一种更为亲密的连接。她不急于演奏,而是先与观众聊上几句,随后,灯光洒下,她在琴前坐下,双手悬停在黑白键上。一切似乎都还未开始,但某种气息,早已在空气中涌动。