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Revisiting band structures in^(118)Xe nucleus via in-beamγ-ray spectroscopy

中国物理C:英文版 2023年第8期47卷 22-38页

作者： A.Pandey R.Bhushan A.Rohilla C.majumder H.P.Sharma S.Chakraborty R.P.Singh S.muralithar Yashraj K.Katre B.Rohila Subodh A.Kumar i.m.govil S.Jehangir N.Rather G.H.Bhati A.A.Wani J.A.Sheikh S.K.Chamoli Department of Physics and Astrophysics University of DelhiNew Delhi-110007India institute of Space Sciences Shandong UniversityWeihai-264209China Department of Physics Indian Institute of Technology BombayMumbai-400076India Department of Physics Institute of ScienceBanaras Hindu UniversityVaranasi-221005India Variable Energy Cyclotron Centre Kolkata-700064India inter University Accelerator Centre Aruna Asaf Ali MargNew Delhi-110067India Department of Physics Punjab UniversityChandigarh-160014India Department of Physics Islamic University of Science and TechnologyJammu and Kashmir-192122India Higher Education Department Government of Jammu and KashmirSrinagarJ&K-180001India Department of Physics University of KashmirSrinagar-190006India

The neutron deficient Xe nuclei with A≈120 are predicted to have strong octupole correlation at low *** the present study,an attempt was made to improve upon the level scheme and also to examine the signatures of octupole correlation in^(118)xe via high spin γ-ray *** spin states in^(118)Xe have been populated via the^(93)Nb(^(28)Si,p2n)^(118)Xe fusion-evaporation reaction at a beam energy of 115 meV provided by the 15 UD pelletron accelerator facility at iUAC,New *** the experiment,seven newγ-transitions have been found and placed appropriately in the level scheme.A theoretical study using the triaxial projected shell model(TPSm)approach suggests that the first bandcrossing is due to the alignment of two neutrons,and a parallel band tracking the yrast configuration is the γ-band built on the two-quasiparticle *** E1 transition rates measured between opposite parity bands involving vh_(11/2)and vd_(5/2)orbitals having△j=△l=3 indicate the presence of octupole correlation in this nucleus.

关键词： octupole correlation γ-ray spectroscopy TPSm calculations bandcrossing

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Solar insolation driven periodicities in southwest monsoon and its impact on NE Arabian Sea paleoceanography

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Geoscience Frontiers 2019年第6期10卷 2251-2263页

作者： Syed Azharuddin Pawan govil Arun Deo Singh Ravi mishra mayank Shekhar Birbal Sahni institute of Palaeosciences LucknowU.P.226007India Department of Geology Banaras Hindu UniversityVaranasi221005India National Centre for Antarctic and Ocean Research Vasco-da-GamaGoa403804India

in the northeastern(NE) Arabian Sea,the fluctuation in terrestrial and freshwater runoff directly depends on southwest monsoon(SWm) precipitation as well as the meltwater flux provided by indus ***,analysis of multi-proxy spectral signatures was carried out to trace the high-resolution SWm periodicities and their influence on the productivity,regional sea level fluctuations and depositional processes in the NE Arabian *** time series data of stable isotopes of oxygen(δ^18 O(***)).carbon(δ^13 C(***) and δ^13 C(org)) and nitrogen(δ^15 N).Total Organic Carbon(TOC),planktic-benthic foraminiferal ratio(P/B ratio) and>63 μm coarse fraction(CF) were used from two coastal sedimentary cores located offshore Saurashtra,NE Arabian Sea(Core SK-240/485 having 88 m water depth;Core GC/SK-240/496 having 174 m water depth).The REDFiT based spectral analysis recorded significant periodicities(>90% significance) in δ^18 0 time series centered at^1609,~667,~525,~296,~290 and^256 ***,the significant periodicities recorded in carbon isotopes time series(δ^13 C(***) and δ^13 C(org))centered at^681,~512,~471,~452,~438,~360,~292,~275,~269,~245 and^209 *** significant periodicities in TOC include^471 and-322 years whereas δ^15 N time series recorded significant periodicity centered at-360 *** significant periodicities in P/B ratio time series centered at^512,~388,~304,~250,~235,~217,~152,~139 and^135 years while CF recorded^268,~216,~209,~198,~188,~173 and^140 years significant *** observed periodicities in the multi-proxy record consist of similar cycles(within the radiocarbon dating error) which also natch with previously reported solar insolation influenced SWm and other global and regional ***,the stationarity of the data has been verified using wavelet analysis and shows similar periodicities as observed in REDFiT ***,the depositional behaviour was studied using correlation analysis of the common

关键词： Southwest monsoon Periodicities Arabian sea Spectral analysis Foraminifera

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On Sharpening of a Theorem of Ankeny and Rivlin

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Analysis in Theory and Applications 2020年第2期36卷 225-234页

作者： Aseem Dalal N.K.govil Assistant Commissioner of income Tax Ministry of FinanceGovernment of India Department of mathematics&Statistics Auburn UniversityAuburnAL 36849-5108USA

Let p(z)=∑v^n=0avz^v anzn be a polynomial of degree n,m(p,R)=:max|z|=R≥0|p(z)|and m(p,1)=:||P||.Then according to a well-known result of Ankeny and Rivlin[1],we have for R≥1,m(p,R≤(R^n+1/2)||p||.This inequality has been sharpened by govil[4],who proved that for R≥1,m(p,R)≤(R^N+1/2)||p||-n/2(||p||^2-4|an|^2/||p||){(R-1)||p||/||p||+2|an|-ln(1+(R-1)||p||/||p||+2|an|)}.in this paper,we sharpen the above inequality of govil[4],which in turn sharpens the inequality of Ankeny and Rivlin[1].

关键词： inequalities polynomials zeros

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AN iNEQUALiTY FOR POLYNOmiALS WiTH A PRESCRiBED ZERO

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Analysis in Theory and Applications 1994年第3期10卷 104-106页

作者： Dewan K.K. govil N.K. Jamia millia islamia India Auburn University. U.S.A.

Let p_n(z)=∑_(k-0)~n a_kz^k be a polynomial of degree n such that |p_n(z)|≤m for |z|≤1. it is well. known that for 0≤um/π and this result is best possible. in this paper we sharpen the above ... 详细信息

关键词： Trigonometric Polynomial Prescribe Zero

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Domestic Violence against Elderly People: A Case Study of india

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Advances in Aging Research 2016年第5期5卷 110-121页

作者： Punita govil Swati Gupta Aligarh muslim University (A.m.U.) Aligarh India

The present demographic scenario of the country shows the rising trend of adult population. According to census report 2011, there are 60.3% people belonging to 15 to 59 years of age group and the percentage of people above 60+ age is 8.6%. Our country fails to provide due respect, care, affection, security and health related facilities, which elderly people utmost require. A number of cases of adult abuses are reported in news papers as these people are easy victims of violence and criminal activities. The society comes to know about only those problems, which are reported, the innumerable cases of disrespect and neglect are not given any consideration. The situation becomes all the more worst when perpetrators are very near relatives and in some cases blood relatives also. This growing insensitiveness is a threat to our society. Sincere efforts are needed to tackle this alarming problem. The present paper describes the available data [1]-[3] on the old people, their dependence ratio, the problems being faced by them and suggestive measures to provide social and emotional security to them.

关键词： Domestic Violence Elderly Abuse Violent Offenders Bullying against Elders

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Permeable Reactive Barrier for the treatment of contaminated surface water in Katedan industrial development area, Hyderabad, india

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Chinese Journal Of Geochemistry 2006年第B8期25卷 117-118页

作者： Savitri Tripathi Vandana Parth Phani Homeshwari m. Vittal Babu N. murthy N.N. Sorlie J.E. govil P.K. National Geophysical Research institute Hyderabad India Norwegian Geotechnical institute Oslo Norway

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印度达瓦尔克拉通太古宙—早元古代绿岩带的化学沉积作用

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华北地质 1980年第3期 20-21页

作者： S. m. Naqvi P. K. govil 李上森印度海德拉巴国家地球物理研究所印度海德拉巴国家地球物理研究所

在印度达瓦尔克拉通认出了三个连续而类型不同的绿岩带。最下部的绿岩带,主要是由镁铁-超镁铁火山岩和化学沉积物组成。中和上群是由火山岩、火山碎屑-岩屑和化学沉积物组成。但在绿岩带中,化学沉积物的类型和丰度有很大差异。最下部群... 详细信息

在印度达瓦尔克拉通认出了三个连续而类型不同的绿岩带。最下部的绿岩带,主要是由镁铁-超镁铁火山岩和化学沉积物组成。中和上群是由火山岩、火山碎屑-岩屑和化学沉积物组成。但在绿岩带中,化学沉积物的类型和丰度有很大差异。最下部群,是以霍伦纳拉西普尔-努吉哈利(Holenarasipur-Nuggihalli)片岩带为代表,含有铬云母石英岩和磁铁石英岩。在一个地区,也见到了薄夹层状重晶石层与产在具鬣剌结构的橄榄

关键词：绿岩带化学沉积作用磁铁云母丰度层状硅酸盐矿物变质岩石英岩隧石化学岩碳酸盐岩太古代前寒武纪太古宙稳定地块克拉通瓦尔南亚印度

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可修理的(m,N)系统的有效性

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系统工程与电子技术 1981年第4期 7-12页

作者： K.V.Rao A.K.govil 李香林

这篇文章在单元的失效和维修服从于两个不同的指数分布的假定下,给出了估算(m,N)系统的失效间平均时间的通用方法。最后,对失效单元具有r个并行维修设备这种特殊情形,得出了mTBF的表达式。在本文结尾,对一个特定系统的m和r的不同值进行... 详细信息

这篇文章在单元的失效和维修服从于两个不同的指数分布的假定下,给出了估算(m,N)系统的失效间平均时间的通用方法。最后,对失效单元具有r个并行维修设备这种特殊情形,得出了mTBF的表达式。在本文结尾,对一个特定系统的m和r的不同值进行了计算,并将计算结果制成了表格。

关键词：常数项平均 mTBF m,N 有效性转移概率递归关系修理设备

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