Measurement of the inelastic proton-proton cross section at √s = 7 TeV
- Chatrchyan, Serguei
- Brochero Cifuentes, Javier Andrés
- Cabrillo Bartolomé, José Ibán
- Calderón Tazón, Alicia
- Chuang, S. H.
- Duarte Campderros, Jorge
- Felcini, Marta
- Fernández García, Marcos
- Gómez Gramuglio, Gervasio
- González Sánchez, Francisco Javier
- Graziano, Alberto
- Jordá Lope, Clara
- López Virto, María Amparo
- Marco de Lucas, Jesús
- Marco de Lucas, Rafael José
- Martínez Rivero, Celso
- Matorras Weinig, Francisco
- Muñoz Sánchez, Francisca Javiela
- Rodrigo Anoro, Teresa
- Rodríguez Marrero, Ana Yaiza
- Ruiz Jimeno, Alberto
- Scodellaro, Luca
- Vila Alvarez, Ivan
- Vilar Cortabitarte, Rocío
DOIAbstract
A measurement is presented of the inelastic proton-proton cross section at a centre-of-mass energy of √s=7 TeV. Using the CMS detector at the LHC, the inelastic cross section is measured through two independent methods based on information from (i) forward calorimetry (for pseudorapidity 3<|η|<5), in collisions where at least one proton loses more than 5×10-6 of its longitudinal momentum, and (ii) the central tracker (|η|[removed]200 MeV/c. The measurements cover a large fraction of the inelastic cross section for particle production over about nine units of pseudorapidity and down to small transverse momenta. The results are compared with those of other experiments, and with models used to describe high-energy hadronic interactions.We cong...
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