2016 Vol. 40, No. 8
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2016, 40(8): 081001. doi: 10.1088/1674-1137/40/8/081001
Abstract:
Recently, both ATLAS and CMS collaborations at the CERN Large Hadron Collider (LHC) announced their observations of an excess of diphoton events around the invariant mass of 750 GeV with a local significance of 3.6σ and 2.6σ, respectively. In this pa...
Recently, both ATLAS and CMS collaborations at the CERN Large Hadron Collider (LHC) announced their observations of an excess of diphoton events around the invariant mass of 750 GeV with a local significance of 3.6σ and 2.6σ, respectively. In this pa...
2016, 40(8): 081002. doi: 10.1088/1674-1137/40/8/081002
Abstract:
We propose a novel type of interpolating field operator, which manifests the hybrid-like configuration that the charm quark-antiquark pair recoils against gluonic degrees of freedom. A heavy vector charmonium-like state with a mass of 4.33(2)GeV is d...
We propose a novel type of interpolating field operator, which manifests the hybrid-like configuration that the charm quark-antiquark pair recoils against gluonic degrees of freedom. A heavy vector charmonium-like state with a mass of 4.33(2)GeV is d...
2016, 40(8): 083101. doi: 10.1088/1674-1137/40/8/083101
Abstract:
We investigate the exact results for circular 1/4 and 1/2 BPS Wilson loops in the d=3 N=4 super Chern-Simons-matter theory that could be obtained by orbifolding Aharony-Bergman-Jafferis-Maldacena (ABJM) theory. The partition function of the N=4 orbif...
We investigate the exact results for circular 1/4 and 1/2 BPS Wilson loops in the d=3 N=4 super Chern-Simons-matter theory that could be obtained by orbifolding Aharony-Bergman-Jafferis-Maldacena (ABJM) theory. The partition function of the N=4 orbif...
2016, 40(8): 083102. doi: 10.1088/1674-1137/40/8/083102
Abstract:
In this paper, the BF theory method is applied to the nonrotating isolated horizons in Lovelock theory. The final entropy matches the Wald entropy formula for this theory. We also confirm the conclusion obtained by Bodendorfer et al. that the entropy...
In this paper, the BF theory method is applied to the nonrotating isolated horizons in Lovelock theory. The final entropy matches the Wald entropy formula for this theory. We also confirm the conclusion obtained by Bodendorfer et al. that the entropy...
2016, 40(8): 083103. doi: 10.1088/1674-1137/40/8/083103
Abstract:
We are aiming to study the J/ψ→ppη' decay in an isobar model and the effective Lagrangian approach on the basis of the coupling constants extracted from the πN→η'N reaction. After a careful exploration of the contributions of the S11(1535), P11(1710)...
We are aiming to study the J/ψ→ppη' decay in an isobar model and the effective Lagrangian approach on the basis of the coupling constants extracted from the πN→η'N reaction. After a careful exploration of the contributions of the S11(1535), P11(1710)...
2016, 40(8): 084101. doi: 10.1088/1674-1137/40/8/084101
Abstract:
Based on tilted axis cranking relativistic mean-field theory within point-coupling interaction PC-PK1, the rotational structure and the characteristic features of antimagnetic rotation for ΔI=2 bands in 108,110In are studied. Tilted axis cranking rel...
Based on tilted axis cranking relativistic mean-field theory within point-coupling interaction PC-PK1, the rotational structure and the characteristic features of antimagnetic rotation for ΔI=2 bands in 108,110In are studied. Tilted axis cranking rel...
2016, 40(8): 084102. doi: 10.1088/1674-1137/40/8/084102
Abstract:
A new value for the emission probability of 137.144 keV γ-rays from 186gRe decay is recommended to be (9.47± 0.03)/%. Using this value the measured cross sections for 187Re(n,2n)186mRe and 187Re(n,2n)186gRe reactions around 14 MeV are analyzed, and t...
A new value for the emission probability of 137.144 keV γ-rays from 186gRe decay is recommended to be (9.47± 0.03)/%. Using this value the measured cross sections for 187Re(n,2n)186mRe and 187Re(n,2n)186gRe reactions around 14 MeV are analyzed, and t...
2016, 40(8): 084103. doi: 10.1088/1674-1137/40/8/084103
Abstract:
It has been proposed that electric fields may lead to chiral separation in quark-gluon plasma (QGP). This is called the chiral electric separation effect. The strong electromagnetic field and the QCD vacuum can both be completely produced in off-cent...
It has been proposed that electric fields may lead to chiral separation in quark-gluon plasma (QGP). This is called the chiral electric separation effect. The strong electromagnetic field and the QCD vacuum can both be completely produced in off-cent...
2016, 40(8): 085101. doi: 10.1088/1674-1137/40/8/085101
Abstract:
The power spectrum of primordial tensor perturbations Pt increases rapidly in the high frequency region if the spectral index nt>0. It is shown that the amplitude of relic gravitational waves ht(5×109 Hz) varies from 10-36 to 10-25 while nt varies fr...
The power spectrum of primordial tensor perturbations Pt increases rapidly in the high frequency region if the spectral index nt>0. It is shown that the amplitude of relic gravitational waves ht(5×109 Hz) varies from 10-36 to 10-25 while nt varies fr...
2016, 40(8): 086001. doi: 10.1088/1674-1137/40/8/086001
Abstract:
Gas electron multiplier (GEM) detectors have been used in cosmic muon scattering tomography and neutron imaging over the last decade. In this work, a triple GEM device with an effective readout area of 10 cm × 10 cm is developed, and a method of disc...
Gas electron multiplier (GEM) detectors have been used in cosmic muon scattering tomography and neutron imaging over the last decade. In this work, a triple GEM device with an effective readout area of 10 cm × 10 cm is developed, and a method of disc...
2016, 40(8): 086002. doi: 10.1088/1674-1137/40/8/086002
Abstract:
A mini-orange spectrometer used for in-beam measurements of internal conversion electrons, consisting of a Si(Li) detector and different sets of SmO5 permanent magnets for filtering and transporting the conversion electrons to the Si(Li) detector, ha...
A mini-orange spectrometer used for in-beam measurements of internal conversion electrons, consisting of a Si(Li) detector and different sets of SmO5 permanent magnets for filtering and transporting the conversion electrons to the Si(Li) detector, ha...
2016, 40(8): 086003. doi: 10.1088/1674-1137/40/8/086003
Abstract:
To fulfill the requirements for testing the photomultiplier tubes (PMTs) of the electromagnetic detector at the Large High Altitude Air Shower Observatory (LHAASO), a multi-functional PMT test bench with a two-dimensional scanning system has been dev...
To fulfill the requirements for testing the photomultiplier tubes (PMTs) of the electromagnetic detector at the Large High Altitude Air Shower Observatory (LHAASO), a multi-functional PMT test bench with a two-dimensional scanning system has been dev...
2016, 40(8): 086004. doi: 10.1088/1674-1137/40/8/086004
Abstract:
A resistive anode for two-dimensional imaging detectors, which consists of a series of high resistivity pads surrounded by low resistivity strips, can provide good spatial resolution while reducing the number of electronics channels required. The opt...
A resistive anode for two-dimensional imaging detectors, which consists of a series of high resistivity pads surrounded by low resistivity strips, can provide good spatial resolution while reducing the number of electronics channels required. The opt...
2016, 40(8): 086101. doi: 10.1088/1674-1137/40/8/086101
Abstract:
A scalable readout system (SRS) is designed to provide a general solution for different micro-pattern gas detectors in various applications. The system mainly consists of three kinds of modules: the ASIC card, the adapter card and the front-end card ...
A scalable readout system (SRS) is designed to provide a general solution for different micro-pattern gas detectors in various applications. The system mainly consists of three kinds of modules: the ASIC card, the adapter card and the front-end card ...
2016, 40(8): 086102. doi: 10.1088/1674-1137/40/8/086102
Abstract:
A trigger system was designed for the external target experiment in the Cooling Storage Ring (CSR) of the Heavy Ion Research Facility in Lanzhou (HIRFL). Considering that different detectors are scattered over a large area, the trigger system is desi...
A trigger system was designed for the external target experiment in the Cooling Storage Ring (CSR) of the Heavy Ion Research Facility in Lanzhou (HIRFL). Considering that different detectors are scattered over a large area, the trigger system is desi...
2016, 40(8): 086201. doi: 10.1088/1674-1137/40/8/086201
Abstract:
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose neutrino experiment designed to measure the neutrino mass hierarchy using a central detector (CD), which contains 20 kton liquid scintillator (LS) surrounded by about 17000 photo...
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose neutrino experiment designed to measure the neutrino mass hierarchy using a central detector (CD), which contains 20 kton liquid scintillator (LS) surrounded by about 17000 photo...
2016, 40(8): 086202. doi: 10.1088/1674-1137/40/8/086202
Abstract:
The DArk Matter Particle Explorer is an orbital indirect dark matter search experiment which measures the spectra of photons, electrons and positrons originating from deep space. The electromagnetic calorimeter (ECAL), made of bismuth germinate (BGO)...
The DArk Matter Particle Explorer is an orbital indirect dark matter search experiment which measures the spectra of photons, electrons and positrons originating from deep space. The electromagnetic calorimeter (ECAL), made of bismuth germinate (BGO)...
2016, 40(8): 086203. doi: 10.1088/1674-1137/40/8/086203
Abstract:
This paper introduces a multiscale maximum entropy (MSME) algorithm for image restoration of the Hard X-ray Modulation Telescope (HXMT), which is a collimated scan X-ray satellite mainly devoted to a sensitive all-sky survey and pointed observations ...
This paper introduces a multiscale maximum entropy (MSME) algorithm for image restoration of the Hard X-ray Modulation Telescope (HXMT), which is a collimated scan X-ray satellite mainly devoted to a sensitive all-sky survey and pointed observations ...
2016, 40(8): 086204. doi: 10.1088/1674-1137/40/8/086204
Abstract:
In this work, a new neutron and γ(n/γ) discrimination method based on an Elman Neural Network (ENN) is proposed to improve the discrimination performance of liquid scintillator (LS) detectors. Neutron and γ data were acquired from an EJ-335 LS detect...
In this work, a new neutron and γ(n/γ) discrimination method based on an Elman Neural Network (ENN) is proposed to improve the discrimination performance of liquid scintillator (LS) detectors. Neutron and γ data were acquired from an EJ-335 LS detect...
Experimental comparison of various techniques for spot size measurement of high-energy X-ray sources
2016, 40(8): 086205. doi: 10.1088/1674-1137/40/8/086205
Abstract:
In flash-radiography experiments, the quality of the acquired image strongly depends on the focal size of the X-ray source spot. A variety of techniques based on imaging of the pinhole, the slit and the rollbar are adopted to measure the focal spot s...
In flash-radiography experiments, the quality of the acquired image strongly depends on the focal size of the X-ray source spot. A variety of techniques based on imaging of the pinhole, the slit and the rollbar are adopted to measure the focal spot s...
2016, 40(8): 087001. doi: 10.1088/1674-1137/40/8/087001
Abstract:
The Circular Electron-Positron Collider (CEPC) is one of the largest projects planned for high energy physics in China. It would serve first as a Higgs factory and then upgrade to a hadron collider. In this paper we give the 50 km and 100 km design f...
The Circular Electron-Positron Collider (CEPC) is one of the largest projects planned for high energy physics in China. It would serve first as a Higgs factory and then upgrade to a hadron collider. In this paper we give the 50 km and 100 km design f...
2016, 40(8): 087002. doi: 10.1088/1674-1137/40/8/087002
Abstract:
Cavity combiners have been put forward for high power combining due to their advantages of larger combining ability, variable input channels and less power loss. For a high power cavity combiner, it is better to keep the power loss ratio in a reasona...
Cavity combiners have been put forward for high power combining due to their advantages of larger combining ability, variable input channels and less power loss. For a high power cavity combiner, it is better to keep the power loss ratio in a reasona...
2016, 40(8): 087003. doi: 10.1088/1674-1137/40/8/087003
Abstract:
A 325 MHz β=0.14 superconducting half-wave resonator prototype has been developed at the Institute of High Energy Physics, Beijing, which can be applied in the low energy section of continuous wave high current proton linear accelerators. The electro...
A 325 MHz β=0.14 superconducting half-wave resonator prototype has been developed at the Institute of High Energy Physics, Beijing, which can be applied in the low energy section of continuous wave high current proton linear accelerators. The electro...
2016, 40(8): 087004. doi: 10.1088/1674-1137/40/8/087004
Abstract:
A new accelerator complex, HIAF (the High Intensity Heavy Ion Accelerator Facility), has been approved in China. It is designed to provide intense primary and radioactive ion beams for research in high energy density physics, nuclear physics, atomic ...
A new accelerator complex, HIAF (the High Intensity Heavy Ion Accelerator Facility), has been approved in China. It is designed to provide intense primary and radioactive ion beams for research in high energy density physics, nuclear physics, atomic ...
2016, 40(8): 088101. doi: 10.1088/1674-1137/40/8/088101
Abstract:
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2016, 40(8): 088201. doi: 10.1088/1674-1137/40/8/088201
Abstract:
A novel nuclear magnetic resonance (NMR) experimental scheme, called wideband continuous wave NMR (WB-CW-NMR), is presented in this article. This experimental scheme has promising applications in pulsed magnetic fields, and can dramatically improve t...
A novel nuclear magnetic resonance (NMR) experimental scheme, called wideband continuous wave NMR (WB-CW-NMR), is presented in this article. This experimental scheme has promising applications in pulsed magnetic fields, and can dramatically improve t...
2016, 40(8): 089001. doi: 10.1088/1674-1137/40/8/089001
Abstract:
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IF: 3.6
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ISSN 1674-1137 CN 11-5641/O4
Original research articles, Ietters and reviews Covering theory and experiments in the fieids of
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