Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

Ahdida, C.; Akmete, A.; Albanese, R.; Alexandrov, A.; Anokhina, A.; Aoki, S.; Arduini, G.; Atkin, E.; Azorskiy, N.; Back, J. J.; Bagulya, A.; Santos, F. B. D.; Baranov, A.; Bardou, F.; Barker, G. J.; Battistin, M.; Bauche, J.; Bay, A.; Bayliss, V.; Bencivenni, G.; Berdnikov, A. Y.; Berdnikov, Y. A.; Bertani, M.; Betancourt, C.; Bezshyiko, I.; Bezshyyko, O.; Bick, D.; Bieschke, S.; Blanco, A.; Boehm, J.; Bogomilov, M.; Boiarska, I.; Bondarenko, K.; Bonivento, W. M.; Borburgh, J.; Boyarsky, A.; Brenner, R.; Breton, D.; Buscher, V.; Buonaura, A.; Buontempo, S.; Cadeddu, S.; Calcaterra, A.; Calviani, M.; Campanelli, M.; Casolino, M.; Charitonidis, N.; Chau, P.; Chauveau, J.; Chepurnov, A.; Chernyavskiy, M.; Choi, K. -Y.; Chumakov, A.; Ciambrone, P.; Cicero, V.; Congedo, L.; Cornelis, K.; Cristinziani, M.; Crupano, A.; Dallavalle, G. M.; Datwyler, A.; D'Ambrosio, N.; D'Appollonio, G.; de Asmundis, R.; De Carvalho Saraiva, J.; De Lellis, G.; de Magistris, M.; De Roeck, A.; De Serio, M.; De Simone, D.; Dedenko, L.; Dergachev, P.; Crescenzo, A. D.; Giulio, L. D.; Marco, N. D.; Dib, C.; Dijkstra, H.; Dmitrenko, V.; Dmitrievskiy, S.; Dougherty, L. A.; Dolmatov, A.; Domenici, D.; Donskov, S.; Drohan, V.; Dubreuil, A.; Durhan, O.; Ehlert, M.; Elikkaya, E.; Enik, T.; Etenko, A.; Fabbri, F.; Fedin, O.; Fedotovs, F.; Felici, G.; Ferrillo, M.; Ferro-Luzzi, M.; Filippov, K.; Fini, R. A.; Fonte, P.; Franco, C.; Fraser, M.; Fresa, R.; Froeschl, R.; Fukuda, T.; Galati, G.; Gall, J.; Gatignon, L.; Gavrilov, G.; Gentile, V.; Goddard, B.; Golinka-Bezshyyko, L.; Golovatiuk, A.; Golubkov, D.; Golutvin, A.; Gorbounov, P.; Gorbunov, D.; Gorbunov, S.; Gorkavenko, V.; Gorshenkov, M.; Grachev, V.; Grandchamp, A. L.; Graverini, E.; Grenard, J. -L.; Grenier, D.; Grichine, V.; Gruzinskii, N.; Guler, A. M.; Guz, Y.; Haefeli, G. J.; Hagner, C.; Hakobyan, H.; Harris, I. W.; Herwijnen, E.; Hessler, C.; Hollnagel, A.; Hosseini, B.; Hushchyn, M.; Iaselli, G.; Iuliano, A.; Jacobsson, R.; Jokovic, D.; Jonker, M.; Kadenko, I.; Kain, V.; Kaiser, B.; Kamiscioglu, C.; Karpenkov, D.; Kershaw, K.; Khabibullin, M.; Khalikov, E.; Khaustov, G.; Khoriauli, G.; Khotyantsev, A.; Kim, Y. G.; Kim, V.; Kitagawa, N.; J. -W., Ko; Kodama, K.; Kolesnikov, A.; Kolev, D. I.; Kolosov, V.; Komatsu, M.; Kono, A.; Konovalova, N.; Kormannshaus, S.; Korol, I.; Korol'Ko, I.; Korzenev, A.; Kostyukhin, V.; Platia, E. K.; Kovalenko, S.; Krasilnikova, I.; Kudenko, Y.; Kurbatov, E.; Kurbatov, P.; Kurochka, V.; Kuznetsova, E.; Lacker, H. M.; Lamont, M.; Lanfranchi, G.; Lantwin, O.; Lauria, A.; Lee, K. S.; Lee, K. Y.; Levy, J. -M.; Loschiavo, V. P.; Lopes, L.; Sola, E. L.; Lyubovitskij, V.; Maalmi, J.; Magnan, A.; Maleev, V.; Malinin, A.; Manabe, Y.; Managadze, A. K.; Manfredi, M.; Marsh, S.; Marshall, A. M.; Mefodev, A.; Mermod, P.; Miano, A.; Mikado, S.; Mikhaylov, Y.; Milstead, D. A.; Mineev, O.; Montanari, A.; Montesi, M. C.; Morishima, K.; Movchan, S.; Muttoni, Y.; Naganawa, N.; Nakamura, M.; Nakano, T.; Nasybulin, S.; Ninin, P.; Nishio, A.; Novikov, A.; Obinyakov, B.; Ogawa, S.; Okateva, N.; Opitz, B.; Osborne, J.; Ovchynnikov, M.; Owtscharenko, N.; Owen, P. H.; Pacholek, P.; Paoloni, A.; Park, B. D.; Pastore, A.; Patel, M.; Pereyma, D.; Perillo-Marcone, A.; Petkov, G. L.; Petridis, K.; Petrov, A.; Podgrudkov, D.; Poliakov, V.; Polukhina, N.; Prieto, J. P.; Prokudin, M.; Prota, A.; Quercia, A.; Rademakers, A.; Rakai, A.; Ratnikov, F.; Rawlings, T.; Redi, F.; Ricciardi, S.; Rinaldesi, M.; Rodin, V.; Rodin, V.; Robbe, P.; Cavalcante, A. B. R.; Roganova, T.; Rokujo, H.; Rosa, G.; Rovelli, T.; Ruchayskiy, O.; Ruf, T.; Samoylenko, V.; Samsonov, V.; Galan, F. S.; Diaz, P. S.; Ull, A. S.; Saputi, A.; Sato, O.; Savchenko, E. S.; Schliwinski, J. S.; Schmidt-Parzefall, W.; Serra, N.; Sgobba, S.; Shadura, O.; Shakin, A.; Shaposhnikov, M.; Shatalov, P.; Shchedrina, T.; Shchutska, L.; Shevchenko, V.; Shibuya, H.; Shihora, L.; Shirobokov, S.; Shustov, A.; Silverstein, S. B.; Simone, S.; Simoniello, R.; Skorokhvatov, M.; Smirnov, S.; Sohn, J. Y.; Sokolenko, A.; Solodko, E.; Starkov, N.; Stoel, L.; Stramaglia, M. E.; Sukhonos, D.; Suzuki, Y.; Takahashi, S.; Tastet, J. L.; Teterin, P.; Naing, S. T.; Timiryasov, I.; Tioukov, V.; Tommasini, D.; Torii, M.; Tosi, N.; Treille, D.; Tsenov, R.; Ulin, S.; Ursov, E.; Ustyuzhanin, A.; Uteshev, Z.; Vankova-Kirilova, G.; Vannucci, F.; Venturi, V.; Vilchinski, S.; Vincke, H.; Vincke, H.; Visone, C.; Vlasik, K.; Volkov, A.; Voronkov, R.; Waasen, S.; Wanke, R.; Wertelaers, P.; Williams, O.; Woo, J. -K.; Wurm, M.; Xella, S.; Yilmaz, D.; Yilmazer, A. U.; Yoon, C. S.; Zaytsev, Y.; Zimmerman, J.

doi:10.1140/epjc/s10052-020-7788-y

The SHiP experiment is proposed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. About 10 11 muons per spill will be produced in the dump. To design the experiment such that the muon-induced background is minimized, a precise knowledge of the muon spectrum is required. To validate the muon flux generated by our Pythia and GEANT4 based Monte Carlo simulation (FairShip), we have measured the muon flux emanating from a SHiP-like target at the SPS. This target, consisting of 13 interaction lengths of slabs of molybdenum and tungsten, followed by a 2.4 m iron hadron absorber was placed in the H4 400 GeV/c proton beam line. To identify muons and to measure the momentum spectrum, a spectrometer instrumented with drift tubes and a muon tagger were used. During a 3-week period a dataset for analysis corresponding to (3.27±0.07)×1011 protons on target was recorded. This amounts to approximatively 1% of a SHiP spill.

Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

Ahdida C.;Akmete A.;Albanese R.;Alexandrov A.;Anokhina A.;Aoki S.;Arduini G.;Atkin E.;Azorskiy N.;Back J. J.;Bagulya A.;Santos F. B. D.;Baranov A.;Bardou F.;Barker G. J.;Battistin M.;Bauche J.;Bay A.;Bayliss V.;Bencivenni G.;Berdnikov A. Y.;Berdnikov Y. A.;Bertani M.;Betancourt C.;Bezshyiko I.;Bezshyyko O.;Bick D.;Bieschke S.;Blanco A.;Boehm J.;Bogomilov M.;Boiarska I.;Bondarenko K.;Bonivento W. M.;Borburgh J.;Boyarsky A.;Brenner R.;Breton D.;Buscher V.;Buonaura A.;Buontempo S.;Cadeddu S.;Calcaterra A.;Calviani M.;Campanelli M.;Casolino M.;Charitonidis N.;Chau P.;Chauveau J.;Chepurnov A.;Chernyavskiy M.;Choi K. -Y.;Chumakov A.;Ciambrone P.;Cicero V.;Congedo L.;Cornelis K.;Cristinziani M.;Crupano A.;Dallavalle G. M.;Datwyler A.;D'Ambrosio N.;D'Appollonio G.;de Asmundis R.;De Carvalho Saraiva J.;De Lellis G.;de Magistris M.;De Roeck A.;De Serio M.;De Simone D.;Dedenko L.;Dergachev P.;Crescenzo A. D.;Giulio L. D.;Marco N. D.;Dib C.;Dijkstra H.;Dmitrenko V.;Dmitrievskiy S.;Dougherty L. A.;Dolmatov A.;Domenici D.;Donskov S.;Drohan V.;Dubreuil A.;Durhan O.;Ehlert M.;Elikkaya E.;Enik T.;Etenko A.;Fabbri F.;Fedin O.;Fedotovs F.;Felici G.;Ferrillo M.;Ferro-Luzzi M.;Filippov K.;Fini R. A.;Fonte P.;Franco C.;Fraser M.;Fresa R.;Froeschl R.;Fukuda T.;Galati G.;Gall J.;Gatignon L.;Gavrilov G.;Gentile V.;Goddard B.;Golinka-Bezshyyko L.;Golovatiuk A.;Golubkov D.;Golutvin A.;Gorbounov P.;Gorbunov D.;Gorbunov S.;Gorkavenko V.;Gorshenkov M.;Grachev V.;Grandchamp A. L.;Graverini E.;Grenard J. -L.;Grenier D.;Grichine V.;Gruzinskii N.;Guler A. M.;Guz Y.;Haefeli G. J.;Hagner C.;Hakobyan H.;Harris I. W.;Herwijnen E.;Hessler C.;Hollnagel A.;Hosseini B.;Hushchyn M.;Iaselli G.;Iuliano A.;Jacobsson R.;Jokovic D.;Jonker M.;Kadenko I.;Kain V.;Kaiser B.;Kamiscioglu C.;Karpenkov D.;Kershaw K.;Khabibullin M.;Khalikov E.;Khaustov G.;Khoriauli G.;Khotyantsev A.;Kim Y. G.;Kim V.;Kitagawa N.;Ko J. -W.;Kodama K.;Kolesnikov A.;Kolev D. I.;Kolosov V.;Komatsu M.;Kono A.;Konovalova N.;Kormannshaus S.;Korol I.;Korol'ko I.;Korzenev A.;Kostyukhin V.;Platia E. K.;Kovalenko S.;Krasilnikova I.;Kudenko Y.;Kurbatov E.;Kurbatov P.;Kurochka V.;Kuznetsova E.;Lacker H. M.;Lamont M.;Lanfranchi G.;Lantwin O.;Lauria A.;Lee K. S.;Lee K. Y.;Levy J. -M.;Loschiavo V. P.;Lopes L.;Sola E. L.;Lyubovitskij V.;Maalmi J.;Magnan A.;Maleev V.;Malinin A.;Manabe Y.;Managadze A. K.;Manfredi M.;Marsh S.;Marshall A. M.;Mefodev A.;Mermod P.;Miano A.;Mikado S.;Mikhaylov Y.;Milstead D. A.;Mineev O.;Montanari A.;Montesi M. C.;Morishima K.;Movchan S.;Muttoni Y.;Naganawa N.;Nakamura M.;Nakano T.;Nasybulin S.;Ninin P.;Nishio A.;Novikov A.;Obinyakov B.;Ogawa S.;Okateva N.;Opitz B.;Osborne J.;Ovchynnikov M.;Owtscharenko N.;Owen P. H.;Pacholek P.;Paoloni A.;Park B. D.;Pastore A.;Patel M.;Pereyma D.;Perillo-Marcone A.;Petkov G. L.;Petridis K.;Petrov A.;Podgrudkov D.;Poliakov V.;Polukhina N.;Prieto J. P.;Prokudin M.;Prota A.;Quercia A.;Rademakers A.;Rakai A.;Ratnikov F.;Rawlings T.;Redi F.;Ricciardi S.;Rinaldesi M.;Rodin V.;Rodin V.;Robbe P.;Cavalcante A. B. R.;Roganova T.;Rokujo H.;Rosa G.;Rovelli T.;Ruchayskiy O.;Ruf T.;Samoylenko V.;Samsonov V.;Galan F. S.;Diaz P. S.;Ull A. S.;Saputi A.;Sato O.;Savchenko E. S.;Schliwinski J. S.;Schmidt-Parzefall W.;Serra N.;Sgobba S.;Shadura O.;Shakin A.;Shaposhnikov M.;Shatalov P.;Shchedrina T.;Shchutska L.;Shevchenko V.;Shibuya H.;Shihora L.;Shirobokov S.;Shustov A.;Silverstein S. B.;Simone S.;Simoniello R.;Skorokhvatov M.;Smirnov S.;Sohn J. Y.;Sokolenko A.;Solodko E.;Starkov N.;Stoel L.;Stramaglia M. E.;Sukhonos D.;Suzuki Y.;Takahashi S.;Tastet J. L.;Teterin P.;Naing S. T.;Timiryasov I.;Tioukov V.;Tommasini D.;Torii M.;Tosi N.;Treille D.;Tsenov R.;Ulin S.;Ursov E.;Ustyuzhanin A.;Uteshev Z.;Vankova-Kirilova G.;Vannucci F.;Venturi V.;Vilchinski S.;Vincke H.;Vincke H.;Visone C.;Vlasik K.;Volkov A.;Voronkov R.;Waasen S.;Wanke R.;Wertelaers P.;Williams O.;Woo J. -K.;Wurm M.;Xella S.;Yilmaz D.;Yilmazer A. U.;Yoon C. S.;Zaytsev Y.;Zimmerman J.

2020-01-01

Abstract

The SHiP experiment is proposed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. About 10 11 muons per spill will be produced in the dump. To design the experiment such that the muon-induced background is minimized, a precise knowledge of the muon spectrum is required. To validate the muon flux generated by our Pythia and GEANT4 based Monte Carlo simulation (FairShip), we have measured the muon flux emanating from a SHiP-like target at the SPS. This target, consisting of 13 interaction lengths of slabs of molybdenum and tungsten, followed by a 2.4 m iron hadron absorber was placed in the H4 400 GeV/c proton beam line. To identify muons and to measure the momentum spectrum, a spectrometer instrumented with drift tubes and a muon tagger were used. During a 3-week period a dataset for analysis corresponding to (3.27±0.07)×1011 protons on target was recorded. This amounts to approximatively 1% of a SHiP spill.

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Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

2020-01-01

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Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

2020-01-01

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