- Main
Measurement of colour flow with the jet pull angle in tt- events using the ATLAS detector at √s=8 TeV
- Aad, G;
- Abbott, B;
- Abdallah, J;
- Abdinov, O;
- Aben, R;
- Abolins, M;
- AbouZeid, OS;
- Abramowicz, H;
- Abreu, H;
- Abreu, R;
- Abulaiti, Y;
- Acharya, BS;
- Adamczyk, L;
- Adams, DL;
- Adelman, J;
- Adomeit, S;
- Adye, T;
- Affolder, AA;
- Agatonovic-Jovin, T;
- Agricola, J;
- Aguilar-Saavedra, JA;
- Ahlen, SP;
- Ahmadov, F;
- Aielli, G;
- Akerstedt, H;
- Åkesson, TPA;
- Akimov, AV;
- Alberghi, GL;
- Albert, J;
- Albrand, S;
- Alconada Verzini, MJ;
- Aleksa, M;
- Aleksandrov, IN;
- Alexa, C;
- Alexander, G;
- Alexopoulos, T;
- Alhroob, M;
- Alimonti, G;
- Alio, L;
- Alison, J;
- Alkire, SP;
- Allbrooke, BMM;
- Allport, PP;
- Aloisio, A;
- Alonso, A;
- Alonso, F;
- Alpigiani, C;
- Altheimer, A;
- Alvarez Gonzalez, B;
- Álvarez Piqueras, D;
- Alviggi, MG;
- Amadio, BT;
- Amako, K;
- Amaral Coutinho, Y;
- Amelung, C;
- Amidei, D;
- Amor Dos Santos, SP;
- Amorim, A;
- Amoroso, S;
- Amram, N;
- Amundsen, G;
- Anastopoulos, C;
- Ancu, LS;
- Andari, N;
- Andeen, T;
- Anders, CF;
- Anders, G;
- Anders, JK;
- Anderson, KJ;
- Andreazza, A;
- Andrei, V;
- Angelidakis, S;
- Angelozzi, I;
- Anger, P;
- Angerami, A;
- Anghinolfi, F;
- Anisenkov, AV;
- Anjos, N;
- Annovi, A;
- Antonelli, M;
- Antonov, A;
- Antos, J;
- Anulli, F;
- Aoki, M;
- Aperio Bella, L;
- Arabidze, G;
- Arai, Y;
- Araque, JP;
- Arce, ATH;
- Arduh, FA;
- Arguin, JF;
- Argyropoulos, S;
- Arik, M;
- Armbruster, AJ;
- Arnaez, O;
- Arnal, V;
- Arnold, H;
- Arratia, M;
- Arslan, O;
- Artamonov, A
- et al.
Abstract
The distribution and orientation of energy inside jets is predicted to be an experimental handle on colour connections between the hard-scatter quarks and gluons initiating the jets. This Letter presents a measurement of the distribution of one such variable, the jet pull angle. The pull angle is measured for jets produced in tt- events with one W boson decaying leptonically and the other decaying to jets using 20.3 fb-1 of data recorded with the ATLAS detector at a centre-of-mass energy of s=8 TeV at the LHC. The jet pull angle distribution is corrected for detector resolution and acceptance effects and is compared to various models.
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