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Intersections Between Particles and Nuclear Physics最新文献

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Effects of correction sextupoles in synchrotrons 同步加速器中校正六极的影响
Intersections Between Particles and Nuclear Physics Pub Date : 1984-11-15 DOI: 10.1063/1.34886
S. Ohnuma
{"title":"Effects of correction sextupoles in synchrotrons","authors":"S. Ohnuma","doi":"10.1063/1.34886","DOIUrl":"https://doi.org/10.1063/1.34886","url":null,"abstract":"In order to have a usable acceptance of the beam momentum spread (Δp/p), synchrotrons must have at least two families of correction sextupoles which are generally placed at locations where the momentum dispersion function is large. These sextupoles are often called chromaticity correction sextupoles since their function is to eliminate (or to change in the most desirable manner) the dependence of the tunes of betatron oscillation on (Δp/p) caused by the chromatic aberration of quadrupoles. This report describes various harmful effects arising from these sextupoles and suggests possible cures. In particular, it is emphasized here that the second‐order effects be minimized in order to prevent a potentially disastrous reduction in the transverse acceptance of the ring even when the tunes are considered to be safely away from the lowest‐order (i.e., third‐integer) resonances. The terms responsible for the dependence of tunes on the betatron oscillation amplitudes are explicitly given as a function of the five...","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127887486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Polarization in the (p,π) reaction (p，π)反应中的极化
Intersections Between Particles and Nuclear Physics Pub Date : 1984-11-15 DOI: 10.1063/1.34851
W. Jacobs
{"title":"Polarization in the (p,π) reaction","authors":"W. Jacobs","doi":"10.1063/1.34851","DOIUrl":"https://doi.org/10.1063/1.34851","url":null,"abstract":"Recent experimental results indicate a dominance of fundamental NN→NNπ processes in near‐threshold nuclear pion production. Such two‐nucleon processes are revealed in part by distinct polarization effects characterizing both weak (ground state) and strong, highly selective, maximal J coupling transitions for the (p,π−) reaction. For (p,π+), where several NN processes can contribute coherently, analyzing power data suggest a means of distinguishing the contributions from different fundamental NN→NNπ isospin channels.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133127277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heavy ion physics—Introduction to the heavy ion parallel sessions at CIPANP 重离子物理-介绍重离子平行会议在CIPANP
Intersections Between Particles and Nuclear Physics Pub Date : 1984-06-01 DOI: 10.1063/1.34859
L. Schroeder, T. Ludlam
{"title":"Heavy ion physics—Introduction to the heavy ion parallel sessions at CIPANP","authors":"L. Schroeder, T. Ludlam","doi":"10.1063/1.34859","DOIUrl":"https://doi.org/10.1063/1.34859","url":null,"abstract":"A brief introduction into some of the physics probed by heavy ion projectiles at low, intermediate and high energies is given. Emphasis is placed on nuclear matter under extreme conditions in this discussion, which should provide a common area of interest to both particle and nuclear physics.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134427473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Berkeley Mini‐Collider 伯克利小型对撞机
Intersections Between Particles and Nuclear Physics Pub Date : 1984-06-01 DOI: 10.1063/1.34872
L. Schroeder
{"title":"The Berkeley Mini‐Collider","authors":"L. Schroeder","doi":"10.1063/1.34872","DOIUrl":"https://doi.org/10.1063/1.34872","url":null,"abstract":"The Berkeley Mini‐Collider, a heavy‐ion collider being planned to provide uranium‐uranium collisions at Tcm≲4 GeV/nucleon, is described. The central physics to be studied at these energies and our early ideas for a collider detector are presented.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131849650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Low energy antiproton nucleus interactions 低能反质子核相互作用
Intersections Between Particles and Nuclear Physics Pub Date : 1984-05-01 DOI: 10.1063/1.34917
M. E. Sainio, V. Ashford, M. Sakitt, J. Skelly, R. Debbe, W. Fickinger, R. Marino, D. K. Robinson
{"title":"Low energy antiproton nucleus interactions","authors":"M. E. Sainio, V. Ashford, M. Sakitt, J. Skelly, R. Debbe, W. Fickinger, R. Marino, D. K. Robinson","doi":"10.1063/1.34917","DOIUrl":"https://doi.org/10.1063/1.34917","url":null,"abstract":"We have studied antiproton quasielastic scattering on Al, Cu, and Pb for two incident momenta, 514 and 633 MeV/c. Combining these data with other existing p nucleus data, we have performed a global analysis using a nonrelativistic optical potential of the Woods‐Saxon form.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114229514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrodynamic flow structures in quantum field theory 量子场论中的流体力学流动结构
Intersections Between Particles and Nuclear Physics Pub Date : 1984-05-01 DOI: 10.1063/1.34923
P. Carruthers, F. Zachariasen
{"title":"Hydrodynamic flow structures in quantum field theory","authors":"P. Carruthers, F. Zachariasen","doi":"10.1063/1.34923","DOIUrl":"https://doi.org/10.1063/1.34923","url":null,"abstract":"The transport of matter is examined in the context of relativistic quantum transport theory for the case of neutral scalar fields. The goal is to formulate a theory valid off mass shell and out of equilibrium. We construct a conserved moment tensor which coincides with the ensemble average of the Noether tensor, or the improved energy‐momentum tensor with the ensemble average of the Noether tensor, or the improved energy‐momentum tensor within an additive constant of the ‘‘improvement’’ term. Conditions for closure of the conservation equation are given for the φ4 coupling.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125862495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quark tunneling in hypernuclei 超核中的夸克隧穿
Intersections Between Particles and Nuclear Physics Pub Date : 1900-01-01 DOI: 10.1063/1.34936
J. Goldman
{"title":"Quark tunneling in hypernuclei","authors":"J. Goldman","doi":"10.1063/1.34936","DOIUrl":"https://doi.org/10.1063/1.34936","url":null,"abstract":"A new model of nuclei is described. Its qualitative successes are discussed. Its implications for and new tests in hypernuclei are introduced.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115250981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accelerator‐colliders for relativistic heavy ions or in search of luminosity 用于相对论性重离子或寻找光度的加速器对撞机
Intersections Between Particles and Nuclear Physics Pub Date : 1900-01-01 DOI: 10.1063/1.34867
G. Young
{"title":"Accelerator‐colliders for relativistic heavy ions or in search of luminosity","authors":"G. Young","doi":"10.1063/1.34867","DOIUrl":"https://doi.org/10.1063/1.34867","url":null,"abstract":"Some issues pertinent to the design of collider rings for relativistic heavy ions are presented. Experiments at such facilities are felt to offer the best chance for creating in the laboratory a new phase of subatomic matter, the quark‐gluon plasma. It appears possible to design a machine with sufficient exploration of the heaviest nuclei in nature, to allow a thorough exploration of quark‐gluon plasma.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121285733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Problems with quantizing the Skyrmion: A critical review 量化Skyrmion的问题:一篇批判性评论
Intersections Between Particles and Nuclear Physics Pub Date : 1900-01-01 DOI: 10.1063/1.34902
J. Ralston
{"title":"Problems with quantizing the Skyrmion: A critical review","authors":"J. Ralston","doi":"10.1063/1.34902","DOIUrl":"https://doi.org/10.1063/1.34902","url":null,"abstract":"We review the motivation and construction of the chiral soliton picture of baryons. We discuss the semi‐classical quantization procedure of Adkins, Nappi and Witten and the stability of the semi‐classical solution under the collective coordinate quantization. By studying the behavior in the chiral limit and specific numerical predictions, we conclude that the collective coordinate procedure is inadequate.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"36 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120807420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detecting gamma rays from hypernuclei 探测来自超核的伽马射线
Intersections Between Particles and Nuclear Physics Pub Date : 1900-01-01 DOI: 10.1063/1.34941
R. Chrien
{"title":"Detecting gamma rays from hypernuclei","authors":"R. Chrien","doi":"10.1063/1.34941","DOIUrl":"https://doi.org/10.1063/1.34941","url":null,"abstract":"Electromagnetic radiation from p‐shell hypernuclei has been detailed in the (K−, π−γ) reaction at the Brookhaven AGS. The technique makes it possible to characterize the spin‐dependent terms in the Λ‐N effective interaction.","PeriodicalId":240164,"journal":{"name":"Intersections Between Particles and Nuclear Physics","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124850635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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