標(biāo)題: Titlebook: Atomic Masses and Fundamental Constants 5; J. H. Sanders,A. H. Wapstra Book 1976 Springer Science+Business Media New York 1976 Atomic mass [打印本頁(yè)] 作者: Bush 時(shí)間: 2025-3-21 17:09
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5影響因子(影響力)
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5影響因子(影響力)學(xué)科排名
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5網(wǎng)絡(luò)公開(kāi)度
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5被引頻次
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5被引頻次學(xué)科排名
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5年度引用
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5年度引用學(xué)科排名
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5讀者反饋
書(shū)目名稱(chēng)Atomic Masses and Fundamental Constants 5讀者反饋學(xué)科排名
作者: prosperity 時(shí)間: 2025-3-21 21:20
Determination of Proton Binding Energies for 89Y, 90Zr, 91Nb and 93Tc from (p,,γ) Reaction Q-Valuese proton binding energies, derived from our measurements and those given in the 1964 mass table /1/ and also in the 1971 mass table /2/. Therefore, we made a systematic investigation in order to obtain more accurate values. The reactions studied were .Sr(p,r).Y, .Y(P,r).Zr, .Zr(p,r).Nb and .Mo(p,r).Tc.作者: Ambiguous 時(shí)間: 2025-3-22 04:21
Mass Differences of Proton-Rich Atoms Near A = 116 and A = 190on beams of .C and .O provided by ORIC, the Oak Ridge Isochronous Cyclotron. As a part of these investigations positron spectra have been measured; in this report we discuss the positron endpoint energies and their interpretation in terms of Q..作者: 死亡率 時(shí)間: 2025-3-22 07:31 作者: Entreaty 時(shí)間: 2025-3-22 09:48
Visible to Gamma-Ray Wavelength RatioOver the past decade we have attempted to develop a measurement capability for connecting visible and γ-ray reference wavelengths (1). This communication summarizes our procedures and gives a preliminary result from an initial measurement of .Au (412 KeV).作者: 上流社會(huì) 時(shí)間: 2025-3-22 14:44
https://doi.org/10.1007/978-1-4684-2682-3Atomic mass; Pet; applied physics; gold; physics; spectra作者: 執(zhí)拗 時(shí)間: 2025-3-22 17:22 作者: 松軟無(wú)力 時(shí)間: 2025-3-22 22:08 作者: integrated 時(shí)間: 2025-3-23 04:56
https://doi.org/10.1007/978-3-319-47190-7appears to be flourishing. This is witnessed on the one hand by the number, range and quality of the contributions to this Symposium and, on the other, by the importance which most of the 44 Governments affiliated to the BIPM attach both to their Basic Laboratories and to the network of technical ce作者: Astigmatism 時(shí)間: 2025-3-23 07:48
Studies in Fuzziness and Soft Computingrime en des unités qui sont des unités de base du Système International d’Unités (mètre, kilogramme, seconde, ampère, kelvin) ou des unités qui en dérivent. Il y a là un lien nécessaire, qui a toujours existé, entre les constantes fondamentales et la métrologie. Je prends ce mot métrologie avec une 作者: 短程旅游 時(shí)間: 2025-3-23 11:01 作者: Cupidity 時(shí)間: 2025-3-23 17:46
https://doi.org/10.1007/978-3-319-47190-7intercomparison of the two primary wavelength standards directly related to other Fundamental Constants, viz. the observation of a positon annihilation quantum, and the R?ntgen ray wavelength standard. The aim is to observe in the same experiment both the 511 keV annihilation line and the W Kα. R?nt作者: 招募 時(shí)間: 2025-3-23 19:39
Representations: From Words to Images theoretical work on heavy and super-heavy atoms (4). With the increasing performance of Ge(Li) spec-trometers the errors of several calibration lines became about as large as those of the measurement. However one would wish that in practically all cases the uncertainties of the standards were much 作者: Truculent 時(shí)間: 2025-3-23 22:53
Multi-criteria Fuzzy Portfolio Optimization,e proton binding energies, derived from our measurements and those given in the 1964 mass table /1/ and also in the 1971 mass table /2/. Therefore, we made a systematic investigation in order to obtain more accurate values. The reactions studied were .Sr(p,r).Y, .Y(P,r).Zr, .Zr(p,r).Nb and .Mo(p,r).作者: 咽下 時(shí)間: 2025-3-24 03:45
https://doi.org/10.1007/978-3-540-77926-1etic analyzer is used as a relative instrument that must be calibrated using the energies of certain known resonances or threshold energies. The deduced calibration parameters relate the proton beam energies to the field strength of the 90. magnetic analyzer. However, these parameters can change sig作者: 課程 時(shí)間: 2025-3-24 09:54
https://doi.org/10.1007/978-3-540-77926-1 the consequence that all ft values for superallowed β-transitions between 0.(T=1) analogue states should be equal, regardless of the specific nuclei involved, providing that small electromagnetic corrections are properly accounted for. Furthermore, G. is related through Cabibbo theory to the corres作者: ACME 時(shí)間: 2025-3-24 11:32
https://doi.org/10.1007/978-3-540-77926-1ld be produced either by higher energy light projectiles or, more particularly, by the heavy-ion beams available from this type of accelerator. Many short-lived radioactivities had been investigated previously using the 3.5-MeV Van de Graaff at Brookhaven including a number of nuclides formed by tri作者: deviate 時(shí)間: 2025-3-24 16:01
https://doi.org/10.1007/978-3-540-77926-1on beams of .C and .O provided by ORIC, the Oak Ridge Isochronous Cyclotron. As a part of these investigations positron spectra have been measured; in this report we discuss the positron endpoint energies and their interpretation in terms of Q..作者: 徹底檢查 時(shí)間: 2025-3-24 19:33 作者: Heresy 時(shí)間: 2025-3-24 23:53 作者: Granular 時(shí)間: 2025-3-25 04:50
https://doi.org/10.1007/978-3-540-77926-1uclei along with spontaneously fissioning ones also habit the zone, where the present frontier of elements lies. In this report we shall review recent experimental work on new .-active nuclei. The term “new . emitter” refers to nuclides not found to be . emitters at the time of the 1971 Atomic Mass 作者: Endemic 時(shí)間: 2025-3-25 09:15
https://doi.org/10.1007/978-3-540-77926-1ted much to the present knowledge of nuclear masses. In most cases reactions with charged particles in the entrance and exit channel were used and the Q-value was determined by measurement of the magnetic rigidity of both the bombarding particles and the reaction products in homogeneous field iron m作者: FLACK 時(shí)間: 2025-3-25 15:25
Yong Fang,Kin Keung Lai,Shouyang Wangs a new frontier in experimentation, and to the second a fertile source of data. There has been in recent years considerable effort on the neutron rich nuclei, and a smaller yet important attack in reaching the limits of particle stability on the proton rich side. Methods for measuring masses of nuc作者: 可能性 時(shí)間: 2025-3-25 19:08
https://doi.org/10.1007/978-3-540-77926-1ay end-point energies. These in many cases are based on threshold measurements for (p,n), (α,n), or (.He,n) reactions. Since these measurements are also used as a source of precise mass values for the parent nuclei, it seems appropriate to present here the results of recent Harwell work, and to disc作者: 討厭 時(shí)間: 2025-3-25 20:39
Yong Fang,Kin Keung Lai,Shouyang Wangade with the Notre Dame 50 cm broadrange spectrograph and 4 MeV accelerator. The problem of differential hysteresis in the spectrograph magnetic field was recognized and a random error assigned to each measurement to cover the consequent uncertainty. We now have a much larger spectrograph designed e作者: 障礙 時(shí)間: 2025-3-26 01:38
https://doi.org/10.1007/978-3-540-77926-1 excitation energies and nuclear reaction Q-values. In this work we are using a recently described. calibration procedure for nuclear emulsions in an Enge split-pole magnetic spectrograph to obtain typical uncertainties of 0.1–1. keV in measurements of particle energies in the 20–40 MeV range. The c作者: Glossy 時(shí)間: 2025-3-26 08:23 作者: SEED 時(shí)間: 2025-3-26 11:53 作者: anaphylaxis 時(shí)間: 2025-3-26 16:26 作者: 小卷發(fā) 時(shí)間: 2025-3-26 18:36
https://doi.org/10.1007/978-3-540-77926-1on beams of .C and .O provided by ORIC, the Oak Ridge Isochronous Cyclotron. As a part of these investigations positron spectra have been measured; in this report we discuss the positron endpoint energies and their interpretation in terms of Q..作者: 高貴領(lǐng)導(dǎo) 時(shí)間: 2025-3-26 23:21 作者: Affluence 時(shí)間: 2025-3-27 04:15 作者: 替代品 時(shí)間: 2025-3-27 05:47 作者: 真繁榮 時(shí)間: 2025-3-27 13:27 作者: Ligneous 時(shí)間: 2025-3-27 16:31 作者: 失誤 時(shí)間: 2025-3-27 18:25 作者: 絆住 時(shí)間: 2025-3-28 00:34 作者: 任意 時(shí)間: 2025-3-28 05:38 作者: arbiter 時(shí)間: 2025-3-28 08:12 作者: Nefarious 時(shí)間: 2025-3-28 14:29
Measurements of Nuclear Masses Far from Stabilityh nuclei, and a smaller yet important attack in reaching the limits of particle stability on the proton rich side. Methods for measuring masses of nuclei far from nuclear stability are reviewed with emphasis placed on reaching proton-rich nuclei using particle transfer reactions such as (p,.He), (.He,.Li) and (.He,.He).作者: fallible 時(shí)間: 2025-3-28 17:50
Some (p,n) and (α,n) Reaction Energies Relevant to Superallowed Beta Decayso used as a source of precise mass values for the parent nuclei, it seems appropriate to present here the results of recent Harwell work, and to discuss the reliability of these and other similar measurements which have been used to extract mass differences and beta decay data.作者: 獸群 時(shí)間: 2025-3-28 22:39 作者: 打谷工具 時(shí)間: 2025-3-29 01:47
Constantes Physiques et Métrologiesignification restreinte au domaine des unités de base et des quelques unités dérivées nécessaires, c’est-à-dire à peu près la métrologie dont s’occupe le Bureau International des Poids et Mesures, au niveau le plus élevé des étalons de départ.作者: brother 時(shí)間: 2025-3-29 04:10 作者: condescend 時(shí)間: 2025-3-29 09:31
Superallowed β-Decay: From Nuclear Masses to the Z Vector Bosonponding constants for the weak decays of hyperons and mesons. Thus, the determination of ft values — for which accurate nuclear mass differences are a prerequisite — can lead directly to a test of both CVC theory and the Cabibbo universality of weak interactions.作者: BLINK 時(shí)間: 2025-3-29 11:43 作者: DUST 時(shí)間: 2025-3-29 17:20 作者: ARM 時(shí)間: 2025-3-29 21:39 作者: dissent 時(shí)間: 2025-3-30 03:32 作者: 形容詞詞尾 時(shí)間: 2025-3-30 06:09
Total β-Decay Energies of Nuclei Far from Stability: Evidence for the Wigner Symmetry Energy in Rb apes of Rb and Cs, as well as neutron-rich nuclei in the Fr-Ra-Ac region [4]. In many cases it has been possible to go from mass differences to the atomic masses themselves, by connecting down through a decay chain to a nucleide of known mass.作者: 跟隨 時(shí)間: 2025-3-30 11:03
Accurate Q-value Measurements and Masses in the Iron regiondescribe an advance which allows us to make much of the differential hysteresis effect systematic and hence correct for it, give comparisons of results showing improved accuracy of energy measurements, and report on a series of 36 Q-values and an adjustment of masses from Cr to Zn.作者: 無(wú)所不知 時(shí)間: 2025-3-30 13:37 作者: 套索 時(shí)間: 2025-3-30 20:00
https://doi.org/10.1007/978-3-540-77926-1. The present report describes a method which avoids these inconveniences and which determines the proton beam energy in a relatively short running period directly at any given value of interest to a precision of the order of 0.4 keV, using a Ge (Li) detector. This precision is well comparable with other techniques mentioned above.作者: 微塵 時(shí)間: 2025-3-31 00:44
The Measurement of Fundamental Constants (Metrology) and Its Effect on Scientific and Technical Progon of science and technology ? Enough is now known about the history of civilization for us to affirm that, even since the Renaissance, Metrology has payed an ever greater part in both scientific and civic activities.作者: Macronutrients 時(shí)間: 2025-3-31 02:59
A New Method for Measurement of Proton Beam Energies. The present report describes a method which avoids these inconveniences and which determines the proton beam energy in a relatively short running period directly at any given value of interest to a precision of the order of 0.4 keV, using a Ge (Li) detector. This precision is well comparable with other techniques mentioned above.作者: fructose 時(shí)間: 2025-3-31 07:11 作者: Coma704 時(shí)間: 2025-3-31 12:26
Representations: From Words to Imagessmaller. A sufficiently precise set of γ-ray standards must therefore be measured with the use of another method. We have chosen a curved crystal spectrometer for the measurement of a set of relative γ-ray standards with 30 keV < E. < 1.5 MeV and dE./E. > 5.10. in relative energies based on the 411.794 ± 0 keV gold standard.作者: 金絲雀 時(shí)間: 2025-3-31 14:16 作者: 新娘 時(shí)間: 2025-3-31 20:02 作者: indices 時(shí)間: 2025-3-31 22:46
