نتایج جستجو برای: squared sections
تعداد نتایج: 123911 فیلتر نتایج به سال:
The transparency of carbon for (p,2p) quasielastic events was measured at beam momenta ranging from 5.9 to 14.5 GeV/c at 90 degrees c.m. The four-momentum transfer squared (Q2) ranged from 4.7 to 12.7 (GeV/c)(2). We present the observed beam momentum dependence of the ratio of the carbon to hydrogen cross sections. We also apply a model for the nuclear momentum distribution of carbon to obtain ...
The deontic square of oppositions describes relations between four deontic concepts: ban, permission, obligation, and release from obligation. It is argued that people use these relations not only when they interpret deontic social rules, but also when they reason from given rules. Data from several studies are presented that corroborate this argument.
Applications of elliptic curve cryptography to anonymity, privacy and censorship circumvention call for methods to represent uniformly random points on elliptic curves as uniformly random bit strings, so that, for example, ECC network traffic can masquerade as random traffic. At ACM CCS 2013, Bernstein et al. proposed an efficient approach, called “Elligator,” to solving this problem for arbitr...
We use perturbative QCD to calculate the cross sections σ for the diffractive production of open charm (cc) from longitudinally and transversely polarised photons (of virtuality Q2) incident at high energy ( √ s) on a proton target. We study both the Q2 and M2 dependence of the cross sections, where M is the invariant mass of the cc pair. Surprisingly, the result for σ , as well as for σ, is pe...
در این رساله،پس از معرفی بلورهای مایع و خواص گذار فاز در آنها ابتدا مولکول پریلین با استفاده از کد دینامیک مولکولی لمپس و روش دانه درشت سازی در دماهای مختلف شبیه سازی شد و رفتار ترمودینامیکی سیستم در این نقاط مورد بررسی قرار گرفت. پتانسیل برهم کنشی به کار رفته در اینجا یک پتانسیل دانه درشت غیر همسانگرد به نام re-squared است که هر مولکول را مانند یک بیضی گون دو محوری توصیف می کند. شبیه سازی به د...
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