2,580 research outputs found

    The eccentricity in heavy-ion collisions from Color Glass Condensate initial conditions

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    The eccentricity in coordinate-space at midrapidity of the overlap zone in high-energy heavy-ion collisions predicted by the kk_\perp-factorization formalism is generically larger than expected from scaling with the number of participants. We provide a simple qualitative explanation of the effect which shows that it is not caused predominantly by edge effects. We also show that it is quite insensitive to ``details'' of the unintegrated gluon distribution functions such as the presence of leading-twist shadowing and of an extended geometric scaling window. The larger eccentricity increases the azimuthal asymmetry of high transverse momentum particles. Finally, we point out that the longitudinal structure of the Color Glass Condensate initial condition for hydrodynamics away from midrapidity is non-trivial but requires understanding of large-xx effects.Comment: 8 pages, 7 figures; v3: added note regarding Qs2~n_part versus Qs2~T_A, final version to appear in PR

    Improvising Age Verification Technologies in Canada: Technical, Regulatory and Social Dynamics

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    Age verification, which is a mandatory legal requirement for delivering certain age-appropriate services or products, has recently been emphasized around the globe to ensure online safety for children. The rapid advancement of artificial intelligence has facilitated the recent development of some cutting-edge age-verification technologies, particularly using biometrics. However, successful deployment and mass acceptance of these technologies are significantly dependent on the corresponding socio-economic and regulatory context. This paper reviews such key dynamics for improvising age-verification technologies in Canada. It is particularly essential for such technologies to be inclusive, transparent, adaptable, privacy-preserving, and secure. Effective collaboration between academia, government, and industry entities can help to meet the growing demands for age-verification services in Canada while maintaining a user-centric approach.Comment: Presented and accepted for publication in the 2023 IEEE International Humanitarian Technologies Conference (IEEE IHTC 2023), November 1 to 3, 2023, Cartagena, Colombi

    PEMBUATAN KARBON AKTIF DARI CANGKANG BUAH KARET DENGAN AKTIVATOR H3PO4

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    Penelitian ini bertujuan untuk mengetahui karakterisasi dan daya serap karbon aktif yang dibuat dari cangkang kulit buah karet dengan aktivator H3PO4. Proses karbonisasi karbon aktif dilakukan menggunakan alat furnace selama 1 jam dengan suhu 700 oC. Selanjutnya dihaluskan dan diayak dengan ukuran 100 mesh dan diaktivasi selam 24 jam dengan larutan H3PO4 menggunkan variasi konsentrasi 7 %, 8 %, 9 %, 10 % dan 11 %. Hasil karakterisasi yang didapat kadar air terendah dimiliki sampel 11 % sebesar 2,85 % dan zat teruap terendah dimiliki sampel 11 % sebesar 2,15 %. Kadar abu terendah dimiliki sampel 7 % sebesar 3,96 %. Daya serap maksimum terhadap iodium pada konsentrasi 11 % yakni sebesar 987,24 mg/g. Kondisi optimum pembuatan karbon aktif dengan aktivator H3PO4 dalam penelitian ini adalah pada dengan konsentrasi 11 %, kadar air sebesar 2,85 %, kadar abu 6,86 %, zat teruap 2,15 %, daya serap iodium 987,24 mg/g, dan daya serap metilen biru 98,98 mg/g

    Concept of Ar-Rahn in Islamic finance : another alternatives

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    In today's world more people rely on getting money by mortgaging their properties. It is done because of many reasons such as maintaining daily life or funding the expensive tertiary studies. In today's conventional mortgage has prove that by pledging their properties it could be risky and may end up leaves them at worst homeless. It is because the interest in today's conventional mortgage seems to be a burden to some people.Base on this situation, many people especially Muslim are becoming aw'are and change their choice from conventional mortgage to more Islamic way which is Ar-Ralm. It is mention in Al-quran is that as a Muslim he/she should take Ar-Rahn. Plus the cons in conventional mortgage is that it is heavily rely on riba which is vel)' clearly stated it is Haram for a muslim to be involved with the

    The CLEO-III Ring Imaging Cherenkov Detector

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    The CLEO-III Detector upgrade for charged particle identification is discussed. The RICH design uses solid LiF crystal radiators coupled with multi-wire chamber photon detectors, using TEA as the photosensor, and low-noise Viking readout electronics. Results from our beam test at Fermilab are presented.Comment: Invited talk by R.J. Mountain at ``The 3rd International Workshop on Ring Imaging Cherenkov Detectors," a research workshop of the Israel Science Foundation, Ein-Gedi, Dead-Sea, Israel, Nov. 15-20, 1998, 14 pages, 9 figure

    Measurement of the W boson mass

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