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The two U(1) factors can be combined into U(1) Y × U(1) l, where l is the lepton number. Gauging of the lepton number is ruled out by experiment, leaving only the possible gauge group SU(2) L × U(1) Y. A similar argument in the quark sector also gives the same result for the electroweak theory.
Download as PDF; Printable version ... Title page of the first edition of Isaac Newton's Opticks (1704) This is a list of noteworthy publications in physics ...
The first AP Physics 1 classes had begun in the 2014–2015 school year, with the first AP exams administered in May 2015. In its first five years, AP Physics 1 covered forces and motion, conservation laws, waves, and electricity. [4] As of 2021, AP Physics 1 includes mechanics topics only. [5]
A former TD Bank employee based in Florida was arrested and charged with facilitating money laundering to Colombia, New Jersey's attorney general said on Wednesday, in the first such arrest since ...
Pete Hegseth’s name has been submitted to the FBI for a background check, his attorney told CNN Thursday, as some lawmakers call for more vetting of President-elect Donald Trump’s pick to run ...
Physics-informed neural networks for solving Navier–Stokes equations. Physics-informed neural networks (PINNs), [1] also referred to as Theory-Trained Neural Networks (TTNs), [2] are a type of universal function approximators that can embed the knowledge of any physical laws that govern a given data-set in the learning process, and can be described by partial differential equations (PDEs).
Heather Graham is running hot on a New Year's vacation!. The actress, who will celebrate her 55th birthday later this month, rung in 2025 on Instagram as she posed in a navy-blue bikini in a hot ...
Tapan Kumar Sarkar (August 2, 1948 – March 12, 2021) was an Indian-American electrical engineer and Professor Emeritus at the Department of Electrical Engineering and Computer Science at Syracuse University. He was best known for his contributions to computational electromagnetics and antenna theory.