bfys-physics

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520 discussions

[Bfys-physics] Fwd: Hulp nodig van programmaleiders
by Marcel Merk 19 May '15

19 May '15

---------- Forwarded message ---------- From: Fred Bulten <b23(a)nikhef.nl> Date: 2015-05-19 14:20 GMT+02:00 Subject: Hulp nodig van programmaleiders To: Eric Laenen <t45(a)nikhef.nl>, Marcel Merk <i93(a)nikhef.nl>, Wouter Verkerke <verkerke(a)nikhef.nl>, Raimond Snellings < Raimond.Snellings(a)nikhef.nl>, Jo van den Brand <jo(a)nikhef.nl>, Aart Heijboer <aart.heijboer(a)nikhef.nl>, Niels van Bakel <nielsvb(a)nikhef.nl>, Patrick Decowski <decowski(a)nikhef.nl> Beste heren, Zoals jullie weten is volgende week donderdag de voetvalwedstrijd tegen Amolf en daarna de BBQ. Omdat het aantal aanmeldingen niet echt hoog is kan ik jullie hulp wel gebruiken om bij de OIO's/Postdocs/studenten te enthousiasmeren om mee te doen met de voetbalwedstrijd en de BBQ (dat mag ook door niet voetballers en is GRATIS;-) ). Stuur dus svp een berichtje rond in je groep (met eventuele verwijzing naar mijn mails), dat we alle hulp kunnen gebruiken om Amolf dit jaar te verslaan. Uiterste aanmelddatum is aanstaande vrijdag 22-5 om 10.00 uur. Alvast bedankt voor de medewerking. -- Met vriendelijke groet/With kind regards, ********************************************************* Fred Bulten FOM-Nikhef Nationaal instituut voor subatomaire fysica Financiële afdeling/Finance department Science Park 105 1098 XG AMSTERDAM tel: 0031 - 20 - 5925020 fax: 0031 - 20 - 5925155 *********************************************************

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[Bfys-physics] Z' discussion session/lecture
by Marcel Merk 11 May '15

11 May '15

Dear bfys friends, This afternoon at 14h00 Jan Willen van Holten has organized a lecture/discussion session on the physics of Z' bosons, H331. See the bfys google calendar for details, cheers, - Marcel

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[Bfys-physics] Comments on LHCb-Paper-2015-021
by Tjeerd Ketel 04 May '15

04 May '15

Dear all, Wouter introduced the LHCb-Paper-2015-021 this morning. He will also collect your comments by Cc before Wednesday and upload the combined comments on Thursday 16 April. 10:30 - 11:00 Discussion of LHCb-Paper-2015-021 by Wouter Hulbergen: "Study of W boson production in association with beauty and charm jets in the forward region" Deadline : 17-Apr-2015 Link : https://cds.cern.ch/record/2006575 Best regards, Tjeerd

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Re: [Bfys-physics] [Bfys-group] Fwd: Z' lecture
by Suvayu Ali 01 May '15

01 May '15

Hi Marcel, others, and Z' aficionados, I have a question that keeps puzzling me. Am I correct in noticing a sudden increased interest on Z' models? This puzzles me since I was under the impression these models have been excluded to almost 3TeV by direct searches! See: http://arxiv.org/abs/1405.4123 (assuming SM couplings). In fact, the limits were already past 1 TeV back in 2011! Do these results somehow not apply to some LHCb results (e.g. Bs → μμ)? If so, why? Are there other motivations than significantly weaker couplings for them to not show up in direct searches? Just a few itches I had to scratch ... Cheers, PS: Do we also have a page like this? https://twiki.cern.ch/twiki/bin/view/AtlasPublic/ExoticsPublicResults On Thu, Apr 30, 2015 at 11:22:04PM +0200, Marcel Merk wrote: > Dear bfys friends, > > You are all very welcome to join the informal lecture of Jan Willem on Z' > physics and the connection to right handed neutrino's.... > > ---------- Forwarded message ---------- > From: Jan-Willem van Holten <jwvholten(a)gmail.com> > Date: 30 April 2015 at 13:32 > Subject: Z' lecture > To: theory-wide(a)nikhef.nl, Marcel Merk <marcel.merk(a)nikhef.nl>, Bob van > Eijk <vaneijk(a)nikhef.nl> > > > Dear colleagues, > > at the request of some of our PhD/master students I will arrange an > informal lecture/discussion session on > Completing the standard model with right-handed neutrinos and Z' > > Time: Monday May 11, 14.00-16.00 (or how long it takes) > Place: H331 > > Everyone interested is welcome, basic knowledge of QFT theory and the > standard model will be assumed. > > Jan-Willem > > > > -- > Prof.dr. J.W. van Holten > > Theoretical Physics > Nikhef, Amsterdam > and Leiden University > Netherlands > _______________________________________________ > Bfys-group mailing list > Bfys-group(a)nikhef.nl > https://mailman.nikhef.nl/mailman/listinfo/bfys-group -- Suvayu Open source is the future. It sets us free.

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[Bfys-physics] ▶ Where has all the antimatter gone? #13TeV - YouTube
by Patrick Koppenburg 22 Apr '15

22 Apr '15

Hi all, Mika's talking, but there's more of Jacco https://www.youtube.com/watch?list=PLAk-9e5KQYEpm9HTFxBw44K9QAkbJTJ5X&v=elb… Cheers, Patrick -- ======================================================================== Patrick Koppenburg LHCb Physics Coordinator Nikhef, Amsterdam & CERN http://www.koppenburg.org/address.html

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[Bfys-physics] LHCB-PAPER-2015-019-001-COMMENT-013 (a comment has been made on your comment) (fwd)
by Tjeerd Ketel 17 Apr '15

17 Apr '15

Dear all, I overlooked the reaction on our comments. Tomorrow I will answer them. Patrick can you have a look as well? Best regards, Tjeerd ---------- Forwarded message ---------- Date: Fri, 10 Apr 2015 17:12:08 +0200 From: CERN Document Server Submission Engine <cds.support(a)cern.ch> To: tjeerd(a)nikhef.nl Subject: LHCB-PAPER-2015-019-001-COMMENT-013 (a comment has been made on your comment) Dear LHCb Colleague, The comment (LHCB-PAPER-2015-019-001-COMMENT-005) that you made on LHCB-PAPER-2015-019-001 (entitled: 'Search for the $\Lambda_b^0 \to \Lambda \eta$ and $\Lambda_b^0 \to \Lambda \eta'$ decays with the LHCb detector') has itself been commented on by James Mccarthy [CERN - PH/ULB] (james.mccarthy(a)cern.ch). This new comment (LHCB-PAPER-2015-019-001-COMMENT-013) may be seen at http://cds.cern.ch/record/2008161 Best regards, The CERN Document Server Server support Team

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[Bfys-physics] Bfys Meeting Friday 10 April at 9:30 in N328 and Vidyo
by Tjeerd Ketel 09 Apr '15

09 Apr '15

Dear colleagues, Bfys Meeting Friday 10 April at 9:30 in N328 and Vidyo 9:30 - 9:55 Staff meeting (permanent staff only) 10:00 - 10:30 LHCb Physcics Coordinator election 10:30 - 11:00 Discussion of LHCb-Paper-2015-021 by Wouter Hulbergen: "Study of W boson production in association with beauty and charm jets in the forward region" Deadline : 17-Apr-2015 Link : https://cds.cern.ch/record/2006575 Maybe in onther room: 14:00 - 14:40 "A search for long-lived particles decaying to muon pairs" by Elise Lobker Vidyo link in Nikhef Bfys Meeting (at Institutes->Nikhef of Friday 24 October 2014) https://indico.cern.ch/event/348856/ protected by PIN 1328. Material (and also Vidyo link) at https://indico.nikhef.nl/conferenceDisplay.py?confId=149 Best regards, Tjeerd

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[Bfys-physics] Bfys Meeting Friday 27 March at 9:30 in N328 and Vidyo
by Tjeerd Ketel 06 Apr '15

06 Apr '15

Dear colleagues, Bfys Meeting Friday 27 March at 9:30 in N328 and Vidyo 9:30 - 9:55 Staff meeting (permanent staff only) 10:00 - 10:30 Discussion of LHCb-Paper-2015-001 "Measurement of the Z boson cross-section and ratios of electroweak boson cross-sections in pp collisions at sqrt(s)=7 TeV in the forward region" Deadline : 03-Apr-2015 Link : https://cds.cern.ch/record/2002513 10:30 - 11:00 Discussion of LHCb-Paper-2015-019 "Search for the Lambda_b0 to Lambda eta and Lambda_b0 to Lambda eta' decays with the LHCb detector" Deadline : 07-Apr-2015 Link : https://cds.cern.ch/record/2002894 Vidyo link in Nikhef Bfys Meeting (at Institutes->Nikhef of Friday 24 October 2014) https://indico.cern.ch/event/348856/ protected by PIN 1328. Material (and also Vidyo link) at https://indico.nikhef.nl/conferenceDisplay.py?confId=146 Best regards, Tjeerd

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[Bfys-physics] New PAPER-2015-021 for Nikhef
by Tjeerd Ketel 05 Apr '15

05 Apr '15

Dear all, Again a paper for Nikhef. I propose to discuss it at the bfys meeting of Friday 10 April. Does somebody volunteer to introduce this paper? Best regards, Tjeerd -------- Original Message -------- Subject: First circulation of publication draft for PAPER-2015-021, Study of $W$ boson production in association with beauty and charm jets in the forward region Date: Vrijdag 3 April 2015 11:53 CEST From: George Lafferty <george.lafferty(a)manchester.ac.uk> To: LHCb General mailing list <lhcb-general(a)cern.ch> Dear Colleagues, A paper is available for your comments: Title : Study of $W$ boson production in association with beauty and charm jets in the forward region Journal : PRD Contact authors : Mike_Williams, Philip_Ilten Reviewers : Simone_Bifani (chair), Stephane_Tourneur EB reviewer : Michael_Schmelling EB readers : Diego_Tonelli, Jeroen_van_Tilburg Analysis note : ANA-2014-076 Deadline : 17-Apr-2015 e-group : lhcb-paper-2015-021-reviewers Link : https://cds.cern.ch/record/2006575 Authors : LHCb Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/WbcJetRatios The following institutes are requested to make institutional comments: NIKHEF_VU__Netherlands Ferrara__Italy Henryk_Niewodniczanski_Institute__Cracow__Poland Institute_for_Nuclear_Research__Moscow__Russia PNPI__Gatchina__Russia Bristol__United_Kingdom Please send any comments via the CDS system. It is the responsibility of the contact authors to provide replies on all comments made. Subsequent modification to the publication are made in consultation with the reviewers and during the EB reading. Following this, there will be a final meeting of the editorial board with contact authors and reviewers present where final decisions are made. As the last step the collaboration is given a few days to make any final comments, before the paper is sent for publication. You can find all paper and conference report drafts open for comments via the EB web-page, by clicking on Current Drafts. http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… Best regards, George Lafferty

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[Bfys-physics] New paper for Nikhef LHCb-PAPER-2015-001,
by Tjeerd Ketel 29 Mar '15

29 Mar '15

Dear all, We have a new paper to discuss by Nikhef. I propose it for next bfys meeting on Friday 27 March. Does somebody volunteer to introduce it? Best regards, Tjeerd ---------- Forwarded message ---------- Date: Fri, 20 Mar 2015 14:20:54 +0000 From: Rolf Oldeman <rudolf.oldeman(a)cern.ch> To: "lhcb-general (LHCb General mailing list)" <lhcb-general(a)cern.ch> Subject: First circulation of publication draft for PAPER-2015-001, Measurement of the $Z$ boson cross-section and ratios of electroweak boson cross-sections in $pp$ collisions at $\sqrt{s}=7$ TeV in the forward region Dear Colleagues, A paper is available for your comments: Title : Measurement of the $Z$ boson cross-section and ratios of electroweak boson cross-sections in $pp$ collisions at $\sqrt{s}=7$ TeV in the forward region Journal : JHEP Contact authors : Ronan Wallace, Jonathan Anderson Reviewers : Will Barter (chair), Nigel Watson EB reviewer : Michael Schmelling EB readers : Vincent Tisserand, George Lafferty Analysis note : ANA-2014-070 Deadline : 03-Apr-2015 e-group : lhcb-paper-2015-001-reviewers Link : https://cds.cern.ch/record/2002513 Authors : LHCb Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/Zmumu2011p The following institutes are requested to make institutional comments: Firenze, Italy UFRJ, Rio de Janeiro, Brazil Cambridge, United Kingdom CBPF, Rio de Janeiro, Brazil EPFL, Lausanne, Switzerland NIKHEF, Netherlands Please send any comments via the CDS system. It is the responsibility of the contact authors to provide replies on all comments made. Subsequent modification to the publication are made in consultation with the reviewers and during the EB reading. Following this, there will be a final meeting of the editorial board with contact authors and reviewers present where final decisions are made. As the last step a short presentation is given to the collaboration and the paper is sent for publication. You can find all paper and conference report drafts open for comments via the EB web-page, by clicking on Current Drafts. http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… efault.html Regards, Rolf Oldeman

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