Measurement of zero degree inclusive photon energy spectra for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>900</mml:mn><mml:mspace width="0.25em" /><mml:mtext>GeV</mml:mtext></mml:math> proton–proton collisions at LHC
Physics letters. B