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Surveys in High Energy Physics最新文献

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MSSM: Non-universal soft SUSY breaking and Higgs mass prediction 非普适软超对称性破缺和希格斯质量预测
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228798
S. Codoban
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引用次数: 0
Photon splitting in a strong magnetic field 光子在强磁场中分裂
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228801
M. Chistyakov, A. Kuznetsov, N. Mikheev
{"title":"Photon splitting in a strong magnetic field","authors":"M. Chistyakov, A. Kuznetsov, N. Mikheev","doi":"10.1080/01422410108228801","DOIUrl":"https://doi.org/10.1080/01422410108228801","url":null,"abstract":"Abstract The process of photon splitting γ → γγ in a strong magnetic field is investigated both below and above the pair creation threshold. The partial amplitudes and the splitting probabilities are calculated taking account of the photon dispersion. We show that the limit of the collinear kinematics which has been used in literature till now is inadequate in the strong magnetic field. We point out the necessity to take into account the large radiative corrections near the cyclotron resonances. We also calculate the probability of the reaction γ → e+ e− γ and show that it is negligibly small in comparison with photon splitting probability above the pair creation threshold. Our results should be used for quantitative studies of the photon splitting role in high-energy astrophysics.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121514707","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: 5
Superfluid phase transitions in hot asymmetric nuclear matter 热非对称核物质中的超流体相变
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228803
A. Isayev
{"title":"Superfluid phase transitions in hot asymmetric nuclear matter","authors":"A. Isayev","doi":"10.1080/01422410108228803","DOIUrl":"https://doi.org/10.1080/01422410108228803","url":null,"abstract":"","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123954392","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
Topology of the quantum modified moduli space 量子修正模空间的拓扑结构
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228800
S. Dubovsky
{"title":"Topology of the quantum modified moduli space","authors":"S. Dubovsky","doi":"10.1080/01422410108228800","DOIUrl":"https://doi.org/10.1080/01422410108228800","url":null,"abstract":"Abstract We study the topology of the quantum space of vacua in N = 1 SQCD with Nf = Nc. We show that no topological solitons exist in the model. On the other hand, the Wess-Zumino term can be constructed. Then we consider orbifold projection in this model. We show that topological solitons appear in the projected theory. Their presence may be crucial for the commutativity of the orbifold projection and the infrared limit, provided the solitons become massless in the large Nc limit.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"PP 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126756218","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
Cosmological and astrophysical bounds on a 33.9 MeV sterile neutrino 33.9 MeV无菌中微子的宇宙学和天体物理学界限
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228802
D. Semikoz
{"title":"Cosmological and astrophysical bounds on a 33.9 MeV sterile neutrino","authors":"D. Semikoz","doi":"10.1080/01422410108228802","DOIUrl":"https://doi.org/10.1080/01422410108228802","url":null,"abstract":"Abstract In this talk we discuss astrophysical and cosmological bounds on heavy sterile neutrino with mass mvs = 33.9MeV, which was suggested some time ago as a possible interpretation of KARMEN anomaly. Combine experimental data constrain lifetime of this particle in the window ∼ 10−1sec < TS < 150 sec. We show that SN 1987A completely excludes this range of vs lifetime. Nucleosynthesis bound permit a narrow window for the TS around 0.1 sec. If vs possesses an anomalous interaction with nucleons, the SN bounds may not apply, while the nucleosynthesis ones would remain valid.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123431175","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
Kick torsion of magnetized medium by neutrinos 磁化介质的微中子踢扭
Surveys in High Energy Physics Pub Date : 2001-11-01 DOI: 10.1080/01422410108228806
A. Gvozdev, I. Ognev
{"title":"Kick torsion of magnetized medium by neutrinos","authors":"A. Gvozdev, I. Ognev","doi":"10.1080/01422410108228806","DOIUrl":"https://doi.org/10.1080/01422410108228806","url":null,"abstract":"Abstract Dominated neutrino-nucleon processes in a remnant envelope of the collapsing star with a strong magnetic field are investigated. The transferred by neutrinos momentum asymmetry along the field direction is obtained. It is shown that in the toroidal magnetic field these processes can develop a torque which quickly spins-up the envelope. An influence of the neutrino “spin-up” effect on a dynamics of the collapsar envelope is discussed and numerically estimated.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131755734","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
Experimental study of pomeron pomeron的实验研究
Surveys in High Energy Physics Pub Date : 2001-08-02 DOI: 10.1080/01422410108225694
A. Rostovtsev
{"title":"Experimental study of pomeron","authors":"A. Rostovtsev","doi":"10.1080/01422410108225694","DOIUrl":"https://doi.org/10.1080/01422410108225694","url":null,"abstract":"Abstract A Pomeron phenomenon remains a mystery. A short review of the experimental situation in diffractive physics and an account of some spectacular manifestations of the Pomeron are given.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116031025","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: 2
Neutrino scattering on polarized electron target and neutrino magnetic moment 极化电子靶上的中微子散射与中微子磁矩
Surveys in High Energy Physics Pub Date : 2001-04-02 DOI: 10.1080/01422410108228804
T. Rashba
{"title":"Neutrino scattering on polarized electron target and neutrino magnetic moment","authors":"T. Rashba","doi":"10.1080/01422410108228804","DOIUrl":"https://doi.org/10.1080/01422410108228804","url":null,"abstract":"Abstract The completed and proposed experiments for the measurement of the neutrino magnetic moment are discussed. To improve the sensitivity of the search for the neutrino magnetic moment we suggest to use a polarized electron target in the processes of neutrino (antineutrino) - electron scattering. It is shown that in this case the weak interaction term in the total cross section is few times smaller comparing with unpolarized case, but the electromagnetic term does not depend on electron polarization.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132504640","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
CONSTRAINING PARAMETERS OF MAGNETIC FIELD DECAY FOR ACCRETING ISOLATED NEUTRON STARS 吸积孤立中子星磁场衰减的约束参数
Surveys in High Energy Physics Pub Date : 2000-05-19 DOI: 10.1080/01422410108228807
S. Popov, M. Prokhorov
{"title":"CONSTRAINING PARAMETERS OF MAGNETIC FIELD DECAY FOR ACCRETING ISOLATED NEUTRON STARS","authors":"S. Popov, M. Prokhorov","doi":"10.1080/01422410108228807","DOIUrl":"https://doi.org/10.1080/01422410108228807","url":null,"abstract":"The influence of exponential magnetic field decay (MFD) on the spin evolution of isolated neutron stars is studied. The ROSAT observations of several X-ray sources, which can be accreting old isolated neutron stars, are used to constrain the exponential and power-law decay parameters. We show that for the exponential decay the ranges of minimum value of magnetic moment, b, and the characteristic decay time, td, 10 29.5 b 10 28 Gc m 3 ,10 8 td 10 7 yrs are excluded assuming the standard initial magnetic moment, 0a10 30 Gc m 3 . For these parameters, neutron stars would never reach the stage of accretion from the interstellar medium even for a low space velocity of the stars and a high density of the ambient plasma. The range of excluded parameters increases for lower values of 0. We also show, that, contrary to exponential MFD, no significant restrictions can be made for the parameters of power-law decay from the statistics of isolated neutron star candidates in ROSAT observations. Isolated neutron stars with constant magnetic fields and initial values of them less than 010 29 Gc m 3 never come to the stage of accretion. We briefly discuss the fate of old magnetars with and without MFD, and describe parameters of old accreting magnetars.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124124634","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: 4
Review on experimental particle astrophysics 实验粒子天体物理学综述
Surveys in High Energy Physics Pub Date : 2000-05-01 DOI: 10.1080/01422410008229138
M. Spiro, E. Aubourg, N. Palanque-Delabrouille
{"title":"Review on experimental particle astrophysics","authors":"M. Spiro, E. Aubourg, N. Palanque-Delabrouille","doi":"10.1080/01422410008229138","DOIUrl":"https://doi.org/10.1080/01422410008229138","url":null,"abstract":"Abstract Experimental particle astrophysics is now a field of growing interest which is well established. This short review discusses this field apart from solar neutrinos which are discussed elsewhere. It addresses the issue of the cosmological parameters and of the dark matter problem. The high energy cosmic rays are also reviewed. It summarizes the main experimental results obtained up to now. Prospects and new ideas are presented.","PeriodicalId":264948,"journal":{"name":"Surveys in High Energy Physics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130614277","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
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