Strangeness observables and pentaquarks

Kabana, S.

doi:10.1063/1.1843596

Cited by 3 publications

(3 citation statements)

References 40 publications

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“…The experiment STAR has shown preliminary results on a N 0 (udsds, udduu) or (udssd) [20]. STAR uses minimum bias Au+Au collisions at √ s = 200 GeV and observes a peak in the decay channel K 0 s at a mass 1734 ± 0.5 (stat) ± 5 (syst) MeV (figure 4) with width consistent with the experimental resolution of about 6 MeV and S/ √ B between 3 and 6 depending on the method used [20]. They also observe signs of the known narrow states (1690) and (1820) with a lower significance.…”

Section: Do the Measured θ + Masses Vary As Expected For A Real State?mentioning

confidence: 97%

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Pentaquarks: review of the experimental evidence

Kabana¹

2005

J. Phys. G: Nucl. Part. Phys.

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Pentaquarks, namely baryons made by 4 quarks and one antiquark have been predicted and searched for since several decades without success. Theoretical and experimental advances in the last 2 years led to the observation of a number of pentaquark candidates. We review the experimental evidence for pentaquarks as well as their non-observations by some experiments, and discuss to which extend these sometimes contradicting informations may lead to a consistent picture.

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Section: Do the Measured θ + Masses Vary As Expected For A Real State?mentioning

confidence: 97%

“…Pentaquark searches were performed already in the 60s but few candidates found have not been confirmed [6]. However, recent significant advances in theoretical [5] and experimental work in the last two years of searches led to a number of new candidates [7][8][9][10][11][12][13][14][15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Pentaquarks: review of the experimental evidence

Kabana¹

2005

J. Phys. G: Nucl. Part. Phys.

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“…The semiconductor detector is used in aviation, high energy physics, and medicine widely. [1][2][3] Among them, the 3D silicon detector gets increasing attention lately. The first 3D detector with n and p column electrodes that penetrate into the silicon substrate was developed by S. Parker at University of Hawaii.…”

Section: Introductionmentioning

confidence: 99%

Design and optimization of a novel 3D detector: The 3D-open-shell-electrode detector

2018

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Designs and electric properties studied of 3D trench electrode Si detector with adjustable central collection electrode AIP Advances 8, 075218 (2018) A new type of three-dimensional (3D) detector, namely 3D-Open-Shell-Electrode Detector (3DOSED), is proposed in this study. In a 3DOSED, the trench electrode can be etched all the way through the detector thickness, totally eliminating the low electric field region existed in the conventional 3D-Trench-Electrode detector. Full 3D technology computer-aided design (TCAD) simulations have been done on this novel silicon detector structure. Through comparing of the simulation results of the detector, we can obtain the best design of the 3SOSED. In addition, simulation results show that, as compared to the conventional 3D detector, the proposed 3DOSED can improve not only detector charge collection efficiency but also its radiation hardness with regard to solving the trapping problem in the detector bulk. What is more, it has been shown that detector full depletion voltage is also slightly reduced, which can improve the utility aspects of the detector. When compared to the conventional 3D detector, we find that the proposed novel 3DOSED structure has better electric potential and electric field distributions, and better electrical properties such as detector full depletion voltage. In 3DOSED array, each pixel cell is isolated from each other by highly doped trenches, but also electrically and physically connected with each other through the remaining silicon bulk between broken electrodes.

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