A problem by Mahesh SK

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If a Higgs boson mH with a speed β=v/c decays into a pair photons, then the invariant mass of the photon pair is .. [the invariant mass of a system of two particles, with four-momenta p1 and p2 is (p1+p2)2 ]

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100 Day Summer Challenge

A problem by Mahesh SK

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Courses

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Community

100 Day Summer Challenge

A problem by Mahesh SK

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.